Tk Cisco.ccna.Wireless.iuwne.640 721

Cisco 640-721

Implementing Cisco Unified Wireless NetworkingEssentials (IUWNE)

Q&A

Version 5.0

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QUESTION NO: 1You are a network engineer at TestKing.com.com, When creating a wireless profile in theCisco ADU and you have selected the WPA/WPA2/CCKM radio button option, whatother decision will you make and then configure on this same screen?

A. the encryption typeB. the SSID of the wireless clientC. the length and value of the pre-shared keyD. the EAP type to be used for authentication

Answer: D

QUESTION NO: 2How to differ application-specific devices from laptop computers in the way they supportCisco Compatible Extensions?

A. ASDs are required to support only CCXv5 management features, while laptops areoptional features.B. ASDs are required to support only CCXv1 and v2 features. Laptops must support allCCX features.C. There is no differentiation. ASDs and laptops must both support the same CCXfeatures.D. Several features that are required for laptops are not required for ASDs.

Answer: D

QUESTION NO: 3The Cisco 526 Wireless Express Mobility Controller is a network appliance thatautomatically optimizes the basic wireless network and supports advanced mobilityservices on top of that network. A new Cisco Mobility Express 526 controller using v4.2code direct from the factory is accessible by which default IP address?

A. 192.168.1.1B. 172.16.1.1C. 10.10.1.1D. 172.16.100.1

Answer: A


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QUESTION NO: 4In which format are the files saved ,when creating new configuration profiles in CiscoSecure Services Client?

A. .TXTB. .XMLC. .RTFD. .HTML

Answer: B

QUESTION NO: 5Observe the following attacks, which two does Management Frame Protection help tomitigate? (Choose two.)

A. EavesdroppingB. Man-in-the-MiddleC. Denial of ServiceD. War Driving

Answer: B,C

QUESTION NO: 6What is the typical maximum range of a wireless PAN?

A. 50 feet.B. 45 feetC. 60 feetD. 55 feet

Answer: A

QUESTION NO: 7What is the effect of configuring a single SSID to simultaneously support both TKIP andAES encryption?


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A. This is a common configuration for migrating from WPA to WPA2. There is noproblem associated with using this configuration.B. This is an unsupported configuration and the Cisco Wireless Control System willcontinuously generate alarms until the configuration is corrected.C. Some wireless client drivers might not handle complex SSID settings and may beunable to associate to the WLAN.D. The overhead associated with supporting both encryption methods will significantlydegrade client throughput.

Answer: C

QUESTION NO: 8During the WPA authentication process, which key is the 4-way handshake used toestablish?

A. Pairwise Transient KeyB. Pairwise Master KeyC. Pairwise Session KeyD. Pairwise Multiple Key

Answer: A

QUESTION NO: 9What unit of measurement is used for representing the strength of an antenna's radiationpattern?

A. dBmB. mWC. GHzD. dBi

Answer: D

QUESTION NO: 10What happens when client exclusion is enabled with a timeout value of zero ?

A. Clients must be explicitly included by specifying the MAC address.B. Clients are excluded indefinitely.C. Clients are never excluded.


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D. Client exclusion is disabled.

Answer: B

QUESTION NO: 11Spread spectrum generally requires user licenses. True or false?

A. falseB. True

Answer: A

QUESTION NO: 12WEP is a mandatory encryption mechanism. True or false?

A. TrueB. false

Answer: B

QUESTION NO: 13For the following elements ,which three define the 802.11n implementation of MIMO?(Choose three.)

A. Transmit Beam FormingB. Maximal Ratio CombiningC. Channel BondingD. Spatial Multiplexing

Answer: A,B,D

QUESTION NO: 14Observe the following items, which open standard defines the combination of ExtensibleAuthentication Protocol with Advanced Encryption Standard to provide strong wirelessLAN client security?

A. IEEE 802.1XB. IEEE 802.11i


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C. WEPD. WPA

Answer: B

QUESTION NO: 15Which one of the following CLI commands displays the controller configuration in a waythat is similar to the way that it is shown on Cisco IOS routers?

A. show configB. show run configC. show running-configD. show run-config

Answer: C

QUESTION NO: 16For the following options ,which AP to Wireless LAN Controller discovery processrequires a previous association of the AP with a Cisco WLC?

A. DHCP Option 43B. AP primingC. DHCP Option 6D. defining a master controller

Answer: B

QUESTION NO: 17Which type of Extensible Authentication Protocol is supported by the Cisco UnifiedWireless Network?

A. EAP-TLS, PEAP-MSCHAPv2 and PEAP-GTC onlyB. LEAP and EAP-FAST onlyC. EAP-TLS, PEAP-MSCHAPv2, PEAP-GTC, LEAP, EAP-FAST onlyD. Any EAP supported by the RADIUS authentication server

Answer: D


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QUESTION NO: 18Cisco Client Management Frame Protection is running on a mobility group with twocontrollers. For the following options ,which two MFP requirements protect the network?(Choose two.)

A. implements the validation of wireless management framesB. forces clients to authenticate, using a secure EAP method onlyC. requires the use of a nonbroadcast SSIDD. requires CCXv5

Answer: A,D

QUESTION NO: 19For the following items ,which is the Default Local Database size for authenticating localusers?

A. 4096 entriesB. 1024 entriesC. 512 entriesD. 2048 entries

Answer: C

QUESTION NO: 20802.1X defined which three roles? (Choose three.)

A. Authentication ServerB. AuthenticatorC. SupplicantD. AuthenticateeE. AAA Server

Answer: A,B,C

QUESTION NO: 21Which standards do wireless MANs employ?(Choose three)

A. IEEE 802.16B. IEEE 802.13


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C. IEEE 802.11D. Wi-Fi

Answer: A, C,D

QUESTION NO: 22An indoor 1240 AP is booting and has obtained an IP address by use of DHCP. The APhas confirmed prior controller IP addresses from a previously joined mobility groupstored in NVRAM. Which action will AP take next?

A. Layer 2 LWAPP discovery broadcast.B. DHCP option 43.C. Layer 3 LWAPP discovery broadcast.D. DNS resolution of CISCO-LWAPP-CONTROLLER.localdomain.

Answer: B

QUESTION NO: 23What relatively new standard applies to wireless MANs?

A. Wi-FiB. IEEE 802.3zC. IEEE 802.11D. IEEE 802.16.

Answer: D

QUESTION NO: 24Which security benefit is enabled by use of Management Frame Protection?

A. Prevents the formation of client ad hoc networks within the RF coverage domain.B. Provides encryption of administrator sessions between a wireless client and a wirelessLAN controller.C. Detects network reconnaissance probes, like those used by tools like NetStumbler, thatattempt to discover the wireless network topology.D. Protects the network infrastructure from denial-of-service attacks that attempt to floodthe network with associations and probes.

Answer: D


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QUESTION NO: 25Observe the following items carefully, In 802.1X, which is the supplicant?

A. the device that performs the authenticationB. the machine that attempts to access the networkC. the point of accessD. the machine in the network that keeps a list of conditions

Answer: B

QUESTION NO: 26Which maximum number is of lightweight APs that can be supported from a single CiscoWCS Navigator management console with Cisco WCS and Cisco WLC running v5.0code?

A. 5,000B. 30,000C. 10,000D. 20,000

Answer: B

QUESTION NO: 27True or false: A computer device stores data in analog form.

A. TrueB. false

Answer: B

QUESTION NO: 28Which statement is true about the authorization aspect of AAA?

A. Successful authorization will provide encryption keys that will be used to secure thewireless communications between client and AP.B. Authorization must be successfully completed in order to proceed with theauthentication phase.


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C. Authorization takes place after a successful authentication and provides the CiscoWLC the information needed to allow client access to network resources.D. Authorization is the validation of successful DHCP address delivery to the wirelessclient.

Answer: C

QUESTION NO: 29Which governing body analyzes the applications and environments in which wirelessnetworks are used?

A. ETSIB. IEEEC. EIRPD. FCC

Answer: B

QUESTION NO: 30Which command path is correct regarding how to access the Cisco WCS 5.0 ability totroubleshoot clients?

A. Monitor -> Clients -> select displayed client's MAC addressB. Monitor -> Clients -> enter client's MAC addressC. Tools -> Clients -> select displayed client's MAC addressD. Tools -> Clients -> enter client's MAC address

Answer: B

QUESTION NO: 31True or false: FDMA requires users to take turns transmitting signals.

A. TrueB. false

Answer: B

QUESTION NO: 32


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EAP-FAST is an authentication protocol that creates a secure tunnel without usingcertificates. EAP-FAST was first supported where?

A. CCXv1B. CCXv3C. CCXv4D. CCXv2

Answer: B

QUESTION NO: 33Which description is correct about an Ad Hoc Network?

A. Independent Basic Service SetB. Extended Service SetC. Basic Service SetD. Mesh Network

Answer: A

QUESTION NO: 34For the following items ,which is derived from measuring the RF duty cycle?

A. LWAPP header lengthB. dynamic channel selectionC. transmit power controlD. RF utilization

Answer: D

QUESTION NO: 35If you have the Cisco ADU installed but wish to use the Windows Zero Config utility toconfigure a wireless network profile, which action should you take first?

A. Define the wireless profile in the Wireless Networks tab in WZC.B. Define a common profile in both the Cisco ADU and WZC.C. In the WZC utility, make sure that the box labeled "Use Windows to configure myWireless Network Settings" is checked.D. Uninstall the Cisco ADU.


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Answer: C

QUESTION NO: 36When using the enterprise-based authentication method for WPA2, a bidirectionalhandshake exchange occurs between the client and the authenticator. Which five optionswill be the results of that exchange by use of controller based network?

A. creation of the Pairwise Transient KeyB. binding of a Pairwise Master Key at the client and the controllerC. distribution of the Group Transient KeyD. a bidirectional exchange of a nonce used for key generationE. proof that each side is alive

Answer: A,B,C,D,E

QUESTION NO: 37True or false: A wireless PAN consumes little power from small handheld computerdevices.

A. falseB. True

Answer: B

QUESTION NO: 38Which roaming situation using controllers in a Cisco Unified Wireless Network requiresa client by use of WPA2 with PKC to reauthenticate to the network?

A. A wireless client roams to another AP on a different controller in the same mobilitydomain.B. A wireless client roams to another AP on a controller in a different mobility domain.C. A wireless client roams to another AP on the same controller.D. A wireless client roams to another AP after being out of range of the network for 2minutes.

Answer: B


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QUESTION NO: 39How do the characteristics that are available on the Cisco WCS for Linux version differfrom those of the Cisco WCS for Windows version?

A. Cisco WCS for Windows includes support for Cisco Spectrum Expert clients. CiscoWCS for Linux does not support Cisco Spectrum Expert clients.B. Cisco WCS for Linux is required for deployments.C. Assuming that there are no differences in hardware, a Cisco WCS for Linux cansupport up to 750 wireless LAN controllers. A Cisco WCS for Windows can support upto 250 wireless LAN controllers.D. There are no differences in features between the Linux and Windows versions of CiscoWCS.

Answer: D

QUESTION NO: 40RRM plays a critical role in optimizing, fairly allocating and adaptively reusing the scarceresources in wireless communication. Which two tasks does RRM routinely perform?(Choose two.)

A. channel assignmentB. encryption method assignmentC. antenna selectionD. transmit power controlE. AP address assignment

Answer: A,D

QUESTION NO: 41What two statements best describe AES-CCMP? (Choose two.)

A. It is defined in 802.1X.B. It is the encryption algorithm used in TKIP implementations.C. It is required in WPA2.D. It is an encryption algorithm used in the 802.11i security protocol.E. It is required in WPA.

Answer: C,D


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QUESTION NO: 42In what frequency band does 802.11a operate in?

A. 2.2 GHzB. 2.4 GHzC. 2.6 GHzD. 5 GHz

Answer: D

QUESTION NO: 43What is the highest possible data rate of an IrDA device?

A. 4 MbpsB. 2 MbpsC. 8 MbpsD. 6 Mbps

Answer: A

QUESTION NO: 44Which 802.11 frequencies are available almost worldwide?

A. 5 GHzB. 2.6 GHzC. 2.2 GHzD. 2.4 GHz

Answer: D

QUESTION NO: 45In the AP Layer 3 controller discovery process, after the LWAPP Discovery Request isbroadcast on a local subnet, which action will AP take next?

A. Wait 5 seconds and resend a Discovery Request to the local subnet.B. Send an LWAPP response to the master controller if known.C. Determine whether the controller responses are the primary controller.D. Send an LWAPP discovery request to controllers learned via OTAP if operational.


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Answer: D

QUESTION NO: 46Which four parameters need to be configured for local EAP-FAST on the controller?(Choose four.)

A. TTL for PACB. Authority ID InformationC. Client KeyD. PACE. Authority IDF. Server Key

Answer: A,B,E,F

QUESTION NO: 47Omni antennas are very easy to install. How are omni antennae in a wireless networkmost commonly polarized?

A. verticallyB. both horizontally and verticallyC. circularlyD. horizontally

Answer: A

QUESTION NO: 48As a network technician ,you must know Cisco WiSMs . Up to how many Cisco WiSMsare supported in a single mobility group operating under v5.0 code?

A. 12B. 16C. 5D. 24

Answer: A

QUESTION NO: 49


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When choosing an EAP type for your Cisco ADU security profile, in order to authenticatesuccessfully ,what must you ensure?

A. that the time set on the clocks for the wireless client and the authenticator are close tothe same timeB. that the EAP type selected is known not to exchange any of its credentials in the clearC. that the EAP type that you selected is supported by the authentication serverD. that the client and authentication server support the same encryption protocol

Answer: C

QUESTION NO: 50A controller is connected to a Cisco IOS Catalyst switch. The following is the switch portconfiguration:interface GigabitEthernet 1/0/10switchportswitchport trunk encapsulation dot1qswitchport trunk allowed vlan 1,20,30,50switchport trunk native vlan 20switchport mode trunk

Which one of the controller CLI commands assigns its management interface to the CiscoIOS Catalyst switch native vlan interface?

A. config interface vlan management 20B. config interface vlan management 1C. config interface vlan management 0D. config interface vlan management 30

Answer: C

QUESTION NO: 51Examine the following items carefully, which three Cisco Unified Wireless Networkcapabilities use information that Radio Resource Management neighbor messagesprovide? (Choose three.)

A. Hybrid Remote Edge Access PointB. Aggressive Load BalancingC. Dynamic Channel AssignmentD. Inter-controller Mobility (that is, Mobility Groups)


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E. Over-the-Air ProvisioningF. Rogue AP Classification

Answer: C,E,F

QUESTION NO: 52What are the four types of wireless networks?(Choose four)

A. WANB. Wireless PANC. LAND. MANE. VLAN

Answer: A,B,C,D

QUESTION NO: 53Using Cisco WCS v5.0, which configuration command option allows you to see asummary of all access points in the Cisco WCS database?

A. Configure -> ChokepointsB. Configure -> ControllersC. Configure -> Access PointsD. Configure -> Config Groups

Answer: C

QUESTION NO: 54A learning bridge forwards all packets. True or false?

A. falseB. True

Answer: A

QUESTION NO: 55When importing a single campus map into the Cisco WCS 5.0, which four file formatswill be used? (Choose four.)


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A. JPEGB. JPGC. GIFD. PNGE. BMP

Answer: A,B,C,D

QUESTION NO: 56Which three primary components describe TKIP? (Choose three.)

A. Per-Packet Key HashingB. Dynamic WEPC. Message Integrity CheckD. Broadcast Key Rotation

Answer: A,C,D

QUESTION NO: 57Which two actions will you take to begin to troubleshoot an access point that fails tosuccessfully join a wireless LAN controller? (Choose two.)

A. Cisco WLC command: debug lwapp events enableB. SSH to the APC. SSH to the Cisco WCSD. SSH to the Cisco WLC

Answer: A,D

QUESTION NO: 58By doing what is the configuration of a wireless LAN controller as a RADIUS clientensured?

A. using an encrypted tunnel between the CiscoSecure RADIUS server and the controllerB. implementing an EAP exchange between the CiscoSecure RADIUS server and thecontrollerC. defining a RADIUS server secret at both the CiscoSecure RADIUS server and thecontroller


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D. adding the MAC address of the physical port of the controller into the trusted clienttable of the CiscoSecure RADIUS server

Answer: C

QUESTION NO: 59More often than not, what is the difference in transmit power between an AP operating atTx Power Level 1 and the same AP operating at Tx Power Level 3?

A. 3 dBB. 6 dBC. 2 dBD. 11 dB

Answer: B

QUESTION NO: 60As a network technician ,can you tell me which two services are offered on Cisco UnifiedWireless Networks running controller v5.0 but not offered on Cisco Mobility ExpressSolution by use of 526 controllers with v4.2 code? (Choose two.)

A. GUI managementB. IDS/IPSC. Guest accessD. Location servicesE. Authentication using 802.1X

Answer: B,D

QUESTION NO: 61Which two statements best describe WiMAX technology? (Choose two.)

A. Typically, fixed WiMAX networks have a higher gain direction antenna installed nearthe client.B. WiMAX works only for licensed frequencies.C. WiMAX is capable of working as a long-range system over several miles.D. WiMAX is defined by 802.11i.

Answer: A,C


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QUESTION NO: 62A controller-based wireless solution can avoid interference by dynamically adjustingwhich two access point transmission features? (Choose two.)

A. SSID namesB. switch port parametersC. operating RF channelD. transmit power levels

Answer: C,D

QUESTION NO: 63Which authentication method best supports a large enterprise deployment where over theair security is a necessity?

A. WPA2 with EAP-FASTB. WPA with PSKC. PSK with WEPD. Open Authentication with Web Authentication

Answer: A

QUESTION NO: 64Which two descriptions are correct about LWAPP? (Choose two.)

A. Cisco proprietaryB. Lightweight Access Point provisioningC. communication between the AP and clientD. communication between the AP and the WLC

Answer: A,D

QUESTION NO: 65On a Cisco Unified Wireless Controller, which three Access Point modes allow for clientconnectivity? (Choose three.)

A. H-REAP Mode


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B. Monitor ModeC. Bridge ModeD. Local Mode

Answer: A,C,D

QUESTION NO: 66Which two statements correctly describe beacon frames used by access points? (Choosetwo.)

A. sent in response to a probe frameB. provides vendor proprietary informationC. is another name for an associated requestD. contains SSIDs if this feature is enabled

Answer: B,D

QUESTION NO: 67Which four features are of WPA? (Choose four.)

A. unicast and broadcast key managementB. support for a key caching mechanismC. authenticated key management using 802.1XD. a larger initialization vector, increased to 48 bitsE. a message integrity check protocol to prevent forgeries

Answer: A,C,D,E

QUESTION NO: 68As a network technician, can you tell me when would rate shifting down by a clientoccur?

A. when the noise level has decreased and the signal level has increasedB. when the distance to the AP has increased and the missed-symbol rate has increasedC. when the distance to the AP has increased and the signal level has increasedD. when multipath has decreased and the missed-symbol rate has decreased

Answer: B


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QUESTION NO: 69 DRAG DROPMatch the proper relationship between interface description and the appropriate.


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Answer:

QUESTION NO: 70Which three methods of authentication are usually used in enterprise wireless networks?(Choose three.)

A. AESB. CCKMC. EAP-TLSD. EAP-FASTE. PEAP

Answer: C,D,E


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QUESTION NO: 71Which CLI command will be used on the Cisco WLC to show detailed information for aclient related to a lightweight access point?

A. show arp switchB. show client detailedC. debug dot11D. show exclusionlist

Answer: B

QUESTION NO: 72What is the general maximum coverage area of a wireless PAN?

A. Within 35 feetB. Within 45 feetC. Within 30 feetD. Within 40 feet

Answer: C

QUESTION NO: 73You work as a network technician at TestKing.com.com, read this subject carefully ,thenanswer the question. The existing Cisco Unified Wireless Controller is running v5.0 codefor both the controllers and the Cisco WCS. A controller has been configured with anappropriate rogue rule condition to report discovered APs to the Cisco WCS. Whatdefault alarm level is used to display all rogue APs in the Alarm Summary?

A. MajorB. MinorC. FlashD. Critical

Answer: B

QUESTION NO: 74What information is needed to add a Cisco WLC into the Cisco WCS?


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A. IP address of virtual interfaceB. IP address of management interfaceC. IP address of AP manager interfaceD. IP address of service port

Answer: B

QUESTION NO: 75True of false: 802.11g operates at up to 54 Mbps and interoperates with 802.11b.

A. TrueB. false

Answer: A

QUESTION NO: 76Which statement is true about the procedure for a lightweight AP to successfully establisha connection to a controller?

A. AP sends its certificate to the controller. AP then authenticates the received CiscoWLC certificate as valid.B. AP sends its certificate to the RADIUS server. AP then authenticates the RADIUScertificate as valid.C. AP authenticates the received Cisco WLC certificate as valid. AP then sends itscertificate to the controller.D. AP sends its certificate to the RADIUS server. AP then authenticates the controllercertificate as valid.

Answer: A

QUESTION NO: 77Observe the following statements, which limitation applies to the use of the Cisco WLANSolution Management over Wireless feature?

A. Uploads and downloads from the controller are not allowed.B. Wireless clients can manage other controllers however not the same controller and APto which the client is associated.C. Read-write access is not available; only read-only access is supported.


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D. Controllers must be managed using only secure protocols (that is, SSH and HTTPS),not nonsecure protocols (that is, HTTP and Telnet).

Answer: A

QUESTION NO: 78For the following interfaces ,which one is considered a dynamic interface?

A. a WLAN client data interfaceB. the LAG interfaceC. the AP manager interfaceD. the virtual interface

Answer: A

QUESTION NO: 79ETSI produces globally-applicable standards for Information and CommunicationsTechnologies (ICT). What does the current European Telecommunications StandardsInstitute rule state is the 2.4-GHz maximum transmitter output power for point-to-pointinstallations?

A. 17 dBmB. 30 dBmC. 16 dBmD. 20 dBm

Answer: A

QUESTION NO: 80A Bluetooth-enabled device is always transmitting. True or false?

A. TrueB. false

Answer: B

QUESTION NO: 81


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For the following options, which set of commands assigns a standalone access point an IPaddress of 10.0.0.24 with a 27-bit subnet mask and a gateway of 10.0.0.1?

A. config tinterface BVI1ip address 10.0.0.24 255.255.255.192exitip default-gateway 10.0.0.1B. config tinterface Dot11Radio0ip address 10.0.0.24 255.255.255.224exitip default-gateway 10.0.0.1C. config tinterface BVI1ip address 10.0.0.24 255.255.255.224exitip default-gateway 10.0.0.1D. config tinterface FastEthernet1ip address 10.0.0.24 255.255.255.224exitip default-gateway 10.0.0.1

Answer: C

QUESTION NO: 82On what layers of the OSI reference model do wireless networks operate?(Choose two)

A. Physical layerB. Network layerC. data link layer.D. session layer

Answer: A,C

QUESTION NO: 83In what frequency band does Bluetooth operate?

A. 2.2 GHz


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B. 2.6 GHzC. 2.4 GHzD. 3.0 GHz

Answer: C

QUESTION NO: 84The central office is currently using a combination of 4400 and 2100 series WLANcontrollers running v4.2 and a variety of LWAPP-enabled access points servicing both2.4 GHz and 5 GHz. The WLAN deployment has been extended to each remote office byimplementing a 526 WLAN controller running v4.1 and several 521 access points.Wireless client deployment uses EAP-TLS authentication by use of a centralizedRADIUS server plus 802.11n for performance. After the first remote office deployment,remote office users complain that they are not connecting via 802.11n.Which will most likely cause this problem?

A. The 526 WLAN controller does not support 802.11n with either v4.1 or v4.2.B. The 526 WLAN controller does not support external authentication via RADIUS,prohibiting authentication.C. The 521 AP and 526 WLAN controllers do not support AES, which prohibits 802.11n.D. The 521 AP does not support 5 GHz, which prohibits 802.11n.

Answer: A

QUESTION NO: 85Which IEEE standards group uses Bluetooth as the basis for the standard?

A. IEEE 802.13B. IEEE 802.15C. IEEE 802.16D. IEEE 802.11

Answer: B

QUESTION NO: 86Observe the following options, can you tell me which modulation technique allows you toachieve a data rate of 54Mb/s in the 2.4GHz-band?


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A. Quadrature Amplitude ModulationB. Differential Quadrature Phase Shift KeyingC. Complimentary Code KeyingD. Differential Binary Phase Shift Keying

Answer: A

QUESTION NO: 87Which condition must exist in order to seamlessly roam between two wireless cells in aCisco Unified Wireless Network using controllers?

A. The next cell should be on the same channel as the client's current cell.B. The next cell should provide the same SSID as the client's current cell.C. The wireless client must use an EAP authentication method with the infrastructureauthenticator.D. The client's password must be the same on both APs.

Answer: B

QUESTION NO: 88Which of the following options has Bluetooth RF characteristics?

A. continuous transmitting - 5-GHz rangeB. frequency hopping - 2.4-GHz rangeC. continuous transmitting - 2.4-GHz rangeD. frequency hopping - 5-GHz range

Answer: B

QUESTION NO: 89For the following physical layer encoding technologies, which one is common to both theIEEE 802.11g and the IEEE 802.11a standards?

A. CCKB. DSSSC. OFDMD. BPSK

Answer: C


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QUESTION NO: 90One of the advantages of implementing EAP-FAST is that it is not necessary toimplement which item as part of your authentication infrastructure?

A. a RADIUS serverB. a client that supports EAP-FASTC. an access control serverD. a Certificate Authority infrastructure

Answer: D

QUESTION NO: 91What is the reason that wireless analog video signals that are operating in the 2.4-GHzband are particularly harmful to Wi-Fi service?

A. Analog video is a strong signal and increases the SNR.B. Analog video is a constant signal with 100% duty cycle.C. Analog Video modulation is the same as Wi-Fi and causes interference.D. Analog video signals are slow frequency hopping and tend to affect the entire band.

Answer: B

QUESTION NO: 92What is the reason that Cisco recommends using Tftpd32 version 3.0 or later whenupgrading wireless LAN controller software to release 4.1 or later?

A. Tftpd32 is Cisco Compatible Extensions version 4 compliantB. Tftpd32 is a component of CiscoWorks LMSC. Tftpd32 supports EoIP tunneling which is required for remote Cisco WLC upgradesD. Tftpd32 supports TFTP file transfers larger than 32 MB

Answer: D

QUESTION NO: 93RF signals offer relatively short range as compared to light signals. True or false?

A. True


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B. false

Answer: B

QUESTION NO: 94How many non-overlapping channels are available with 802.11b wireless LANs?

A. ThreeB. OneC. FourD. Two

Answer: A

QUESTION NO: 95You work as a network engineer at TestKing.com.com, study the subject carefully.AWLAN deployment will use a combination of Cisco Aironet AP 1240s and multipleCisco 4404 Wireless LAN Controllers to provide wireless LAN access to end-users. Thenetwork administrator has decided to use DHCP Option 43 to enable the APs to discoverthe wireless LAN controllers. When configuring the DHCP scope, which format shouldbe used for the Cisco WLC addresses?

A. a comma-separated ASCII string of Cisco WLC AP-manager addressesB. a hexadecimal string of Cisco WLC management addressesC. a comma-separated ASCII string of Cisco WLC virtual IP addressesD. a comma-separated ASCII string of Cisco WLC management addresses

Answer: B

QUESTION NO: 96Which primary methods is of configuration management for the Mobility ExpressSolution?

A. CLI and Web GUIB. CCA and Web GUIC. CCA and CLID. CLI, Web GUI, and CCA

Answer: B


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QUESTION NO: 97Which two attributes are used to characterize antenna performance? (Choose two.)

A. beamwidthB. gainC. attenuationD. harmony

Answer: A,B

QUESTION NO: 98Which three values will be used to calculate Effective Isotropic Radiated Power? (Choosethree.)

A. antenna gainB. transmission powerC. cable lossD. antenna bandwidth

Answer: A,B,C

QUESTION NO: 99Which client application utility allows wireless configuration on Linux platforms?

A. NetworkManagerB. Airport ExtremeC. Cisco Aironet Desktop UtilityD. Cisco Secure Services Client

Answer: A

QUESTION NO: 100Which of the following items increases bandwidth and resists multipath problems bycarrying data in subcarriers?

A. Frequency Hopping Spread SpectrumB. Narrow Band Frequency


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C. Orthogonal Frequency Division MultiplexingD. Direct Sequence Spread Spectrum

Answer: C

QUESTION NO: 101Cisco wireless requires that controllers within a mobility group have which threecommon characteristics? (Choose three.)

A. mobility group nameB. version of controller codeC. controllers must be in the same subnetD. virtual interface IP address

Answer: A,B,D

QUESTION NO: 102The office is now operational using one 2106 WLAN controller with six 1131 APs andone 526 WLAN controller with three 521 APs. When the 526 loses power, the 521 APsdo not build up a connection with the 2106 WLAN controller. What will most likelycause this problem?

A. The 2106 controller does not support the 521 APs.B. The 2106 controller and 526 controller do not share the same mobility group name.C. The 2106 controller and 526 controller were not configured correctly using thesysname and MAC address for a mobility group.D. The 521 APs were not configured with the 2106 controller as the secondary controller.

Answer: A

QUESTION NO: 103Which one of the following items applies to TKIP?

A. is part of the initial key exchange used to derive a pairwise temporal keyB. is used to secure the initial authentication credential exchange between client andauthenticatorC. is used to encrypt the data for WPA sessionsD. is used to encrypt a WEP authenticated session


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Answer: C

QUESTION NO: 104A lightweight AP has been deployed in local mode in a network consisting of 10 wirelessLAN controllers in a single mobility group. The AP has been configured to use primary,secondary, and tertiary WLCs. Because of a major power failure, the AP's primary,secondary, and tertiary Cisco WLCs are all unavailable. Which action will be taken nextby the AP?

A. The AP state will transition to AP Fallback Mode and continue providing limitedWLAN services (that is, no new client authentications) until a WLC is again available.B. The AP will attempt to join the Cisco WLC with the greatest amount of availablecapacity.C. The AP will attempt to join a Cisco WLC configured as a "Master Controller."D. The AP will reboot and repeatedly attempt to join the configured primary, secondary,and tertiary Cisco WLCs in that order. The process will continue until one of theconfigured WLCs is again available.

Answer: C

QUESTION NO: 105Which statement best describes an infrastructure basic service set according to IEEE802.11 specifications?

A. Also called an Ad Hoc Network.B. The BSSID is generated from the first wireless client that starts up in the IBSS.C. Enables the use of ESS.D. No relaying of signals from one client to another client.

Answer: C

QUESTION NO: 106What is a common standard for wireless LANs?(Choose two)

A. Wi-FiB. IEEE 802.16.C. IEEE 802.3zD. IEEE 802.11


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Answer: A,D

QUESTION NO: 107Approximately up to what range do direct infrared systems operate?

A. 1.5 mileB. 0.5 mileC. 2.0 mileD. 1 mile

Answer: D

QUESTION NO: 108Which two functions are the pre-shared key used for when using the Pre-Shared Keyauthentication method for WPA or WPA2? (Choose two.)

A. to act as the Pairwise Master Key during the bidirectional handshakeB. to derive the nonce at each side of the exchangeC. to derive the Pairwise Transient KeyD. to act as the Group Transient Key during the bidirectional handshake

Answer: A,C

QUESTION NO: 109Which device(s) will Lightweight access points send control traffic to?

A. Lightweight access points don't send control traffic.B. Other access points.C. The Wireless Control System.D. The Wireless Controller.

Answer: D

QUESTION NO: 110


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You work as a network technician at TestKing.com.com,study the situation carefully,then answer the question.The corporate network locates all RADIUS servers at thecentralized data center for authentication. The remote offices use access points operatingin H-REAP mode using v5.0 code with various local and central switch WLANs. When aremote office has lost connectivity to the main corporate network due to a WAN outage,which two statements are true about the status of that remote office when H-REAP accesspoints are operating in standalone mode? (Choose two.)

A. If configured, locally switched WLANs will continue operation using Local-EAP forEAP-LEAP and EAP-FAST for up to twenty users.B. All Cisco APs with 16 MB of RAM or more can operate as standalone H-REAP.C. If configured, clients using WPA or WPA2 with PSK and locally switched WLANswill continue to operate.D. All clients will continue association until the respective authentication timers expire.

Answer: A,C

QUESTION NO: 111Which four file formats will be used when importing a single campus map into the CiscoWCS 5.0? (Choose four.)

A. .JPGB. .BMPC. .JPEGD. .PNGE. .GIF

Answer: A,C,D,E

QUESTION NO: 112Which one of the following CLI commands would be used on a Cisco WLC totroubleshoot mobility, rogue detection, and load-balancing events?

A. debug dot11B. show lwapp detailsC. show dot11 detailsD. debug lwapp

Answer: A


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QUESTION NO: 113WPA uses TKIP and is a subset of the 802.11i standard. True or false?

A. TrueB. false

Answer: A

QUESTION NO: 114ou are a network technician at TestKing.com.com ,study the options carefully.A client isattached to the Cisco Unified Wireless network by use of controllers. When the client isusing WPA2 and EAP authentication, where are the wireless encryption keys locatedduring the active user session? (Choose two.)

A. on the clientB. on the Cisco WCSC. on the access pointD. on the RADIUS server

Answer: A,C

QUESTION NO: 115Which three elements compose the Cisco Secure Services Client suite? (Choose three.)

A. Cisco Secure Services Client AuditorB. Cisco Secure Services Client Log PackagerC. Cisco Secure Services Client Administration UtilitiesD. Cisco Secure Services Client

Answer: B,C,D

QUESTION NO: 116For the following items ,which one correctly describes fading?

A. A time-varying change in the path loss of a link with the time variance governed bythe movement of objects in the environment, including the transmitter and receiverthemselves.


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B. A function of the frequency and should be provided in the cable specification by thevendor.C. The desired signal reaches the receiving antenna via multiple paths, each of which hasa different propagation delay and path loss.D. Another signal source is producing energy on the channel in which you are trying tooperate.

Answer: A

QUESTION NO: 117You work as a network administrator for TestKing.com. TestKing.com has a wirelessLAN network. You configure 802.11 authentications on all the clients present in thenetwork. A client becomes active on the network and wants to pass traffic on themedium. Which of the following frames does the client use to search all access points inits radio range?

A. Association request frameB. Authentication request frameC. Probe request frameD. Authentication response frame

Answer: C

QUESTION NO: 118Which software is designed for both wired and wireless profile management and canaccess to Cisco Enterprise networks?

A. SSLB. CSAC. ACSD. SSC

Answer: D

QUESTION NO: 119CDP is being used throughout the TestKing.com network. What are two reasons why theTestKing.conetwork administrator would use CDP? (Choose two)

A. To verify Layer 2 connectivity between two devices when Layer 3 fails


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B. To determine the status of the routing protocols between directly connected routersC. To determine the status of network services on a remote deviceD. To support automatic network failover during outagesE. To obtain the IP Address of a connected device in order to telnet to the deviceF. To obtain VLAN information from directly connected switchesG. To verify the type of cable interconnecting two devices

Answer: A,E

QUESTION NO: 120You work as a network administrator for TestKing.com. TestKing.com deploys a wirelessLAN network but there is some problem due to the interference of signals. Which of thefollowing tools should you use to determine signal strength, noise level, and potentialsources of interference? Each answer represents a complete solution.(Choose three.)

A. Link BudgetB. EIRPC. RSSID. SNR

Answer: A,C,D

QUESTION NO: 121You work as a network administrator for TestKing.com. TestKing.com has a wirelessnetwork. You set up a Cisco 6100 series system controller in the network. After a shortperiod, you find that the IP address assigned to the controller is unusable. Which of thefollowing fields provides this information?

A. Rogue summaryB. AP summaryC. Controller summaryD. Alarm summary

Answer: D

QUESTION NO: 122


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Youwork as a network administrator for TestKing.com. TestKing.com has a wirelessLAN network. All users are working on the Linux operating system. Which of thefollowing is used to set the parameters of the network interface, which are specific to thewireless operation?

A. DB_CONFIGB. IFCONFIGC. IPCONFIGD. IWCONFIG

Answer: D

QUESTION NO: 123CDP is running between two TestKing.com devices. What information is supplied byCDP? (Select three)

A. Capabilities listB. Neighbor traffic dataC. PlatformD. Device IdentifiersE. Route identifier

Answer: A,C,D

QUESTION NO: 124Tess King works as a network administrator for TestKing.com. TestKing.com has anenterprise wireless network. Which of the following authentication methods should TessKing consider using for the most secure wireless network? Each correct answerrepresents a complete solution. Choose two.

A. EAPB. PEAPC. EAP-FASTD. EAP-TLS

Answer: B,D

QUESTION NO: 125


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The TestKing.com network administrator needs to determine what LAN devices to installon the TestKing.com network. What are two advantages of using Layer 2 Ethernetswitches over hubs? (Choose two)

A. Decreasing the number of collision domainsB. Increasing the size of broadcast domainsC. Allowing simultaneous frame transmissionsD. Filtering frames based on MAC addressesE. Increasing the maximum length of UTP cabling between devices

Answer: C,D

QUESTION NO: 126Tess King works as a network administrator for TestKing.com. TestKing.com has awireless LAN network. Tess King has configured shared key authentication on a client.The client and the AP start exchanging the frames to enable authentication. Which of thefollowing vulnerabilities may occur while the client and the AP exchange the challengetext over the wireless link?

A. Man-in-the-middle attackB. DoS attackC. Land attackD. Vulverability attack

Answer: A

QUESTION NO: 127A business customer uses Non-LOS WiMAX wireless network technology. Which of thefollowing data rates is provided to the customer?

A. 70 MbpsB. 30 MbpsC. 15 MbpsD. 40 Mbps

Answer: B

QUESTION NO: 128Which of the following methods is NOT used to access an AP in autonomous mode?


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A. BrowseB. ConsoleC. TelnetD. Auxiliary

Answer: D

QUESTION NO: 129The network administrator for TestKing.com makes some changes in monitor mode ofthe access point using a CLI session. This change affects the value of the channels that aremonitored in the monitor mode. Which command has he run on the access point?

A. config advanced [802.11a | 802.11b} channel dca anchor-time valueB. config advanced {802.11a | 802.11b} channel dca interval valueC. config {802.11a | 802.11b} channel global autoD. config advanced 802.11b monitor channel-list

Answer: D

QUESTION NO: 130You work as a network administrator for testKing.com. You study the exhibit carefully.You are deploying a site survey for a new implementation and see this information inCisco Spectrum Expert. Which option is true?Exhibit:

Exhibit:


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A. This is a typical Bluetooth pattern. The source needs to be identified and eliminatedbecause it will affect an 802.11b/g deployment.B. The capture shows radar. It is most probably military radar because of the frequencyhopping in the "Swept Spectrogram." The workaround is to disable DFS on the AP.C. There is general background noise of -70dBm, which is not an issue at all for an802.11b/g deployment.D. The location of this capture is most likely near a kitchen, because it is clear that thereis a microwave oven disrupting channel 1-13. There will be some packet loss whilecooking, which is not a problem, because employees will not be working during lunchtime.

Answer: A


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QUESTION NO: 131What is the facility level of FTP Daemons?

A. 15B. 12C. 10D. 11

Answer: D

QUESTION NO: 132What is the main advantage to using a short-range ZigBee communication device?

A. It will replace Bluetooth devicesB. Low-power, long battery-life and secure networkingC. Its almost as cheap as Bluetooth to operateD. The battery is smaller than other devices

Answer: B

QUESTION NO: 133On which of the following web servers does WCS run?

A. ApacheB. Netscape enterpriseC. ZeusD. Boa

Answer: A

QUESTION NO: 134You work as a network consultant. Fenco Auto Inc. hires you to troubleshoot acommunication problem and implement a functional wireless network. You check thenetwork connection and all related issues. You find a reason why the clients do notcommunicate with each other, as they try to send data on the same channel at the sametime. What is the best way to mitigate this problem?


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A. Reduce transmitted power of the signal.B. Remove the obstacles that are in the wayC. Forces RTS/CTS control frames.D. Adjust the radio resources as needed.

Answer: C

QUESTION NO: 135A company has a wireless network. In this network, collisions occur when more than onedevice sends data at the same time. Which physical layer function can a networkadministrator perform to determine whether or not any device is sending data to thechannel?

A. CCAB. CSMA/CDC. CCXD. CSMA/CA

Answer: A

QUESTION NO: 136In what frequency band does 802.11n operate in?

A. 2.4 GhzB. 5.0 GhzC. 2.4 Ghz and 5.0 GhzD. 3.7 Ghz

Answer: C

QUESTION NO: 137You work as a Network Administrator for Tech Perfect Inc. You have to implement awireless LAN network for the company. After implementing the network, you check allthe functions and find that most of its clients try to send data on the same channel at thesame time. As a result, a collision occurs in the network and it affects the communication.What is the reason behind this problem?

A. The IP addresses of clients are in the same subnet.B. The clients are not in range of one another.


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C. The controller is not configured properly.D. The access point cannot cover the required area.

Answer: B

QUESTION NO: 138 DRAG DROPSTUDY this as you will likely get this DRAG and DROP question!Exhibit:


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Answer:Explanation:

QUESTION NO: 139You are using maps in the WCS to design a wireless LAN network. You add a campusand two buildings to the map. Now you plan to add a new floor area to the first building.The floor types include cubes and walled offices, drywall office only, and outdoor openspace. Which of the following do the floor types use to assist the WCS by adding theseelements?

A. RF modelingB. Site survey utilityC. RF predictionD. Electromagnetic interference

Answer: A


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QUESTION NO: 140Which set of commands assigns a standalone access point an IP address of 10.0.0.24 witha 27-bit subnet mask and a gateway of 10.0.0.1?

A. config tinterface FastEthernet1ip address 10.0.0.24 255.255.255.192exitip default-gateway 10.0.0.1B. config tinterface BVI1ip address 10.0.0.24 255.255.255.192exitip default-gateway 10.0.0.1C. config tinterface FastEthernet1ip address 10.0.0.24 255.255.255.224exitip default-gateway 10.0.0.1D. config tinterface Dot11Radio0ip address 10.0.0.24 255.255.255.224exitip default-gateway 10.0.0.1E. config tinterface BVI1ip address 10.0.0.24 255.255.255.224exitip default-gateway 10.0.0.1F. config tinterface Dot11Radio0ip address 10.0.0.24 255.255.255.192exitip default-gateway 10.0.0.1

Answer: E

QUESTION NO: 141For the following items, which one correctly describes fading?


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A. The time delay from the reception of the first instance of the signal until the lastinstance.B. The desired signal reaches the receiving antenna via multiple paths, each of which hasa different propagation delay and path loss.C. The minimum signal level for the receiver to be able to acceptably decode theinformation.D. A function of the frequency and should be provided in the cable specification by thevendor.E. A time-varying change in the path loss of a link with the time variance governed by themovement of objects in the environment, including the transmitter and receiverthemselves.F. Another signal source is producing energy on the channel in which you are trying tooperate.

Answer: E

QUESTION NO: 142Tess King works as a network administrator for Fenco Auto Inc. and implements awireless LAN network. A client on the network tries to associate with the access pointbecause of its strong signal. The client sends an association request to the access point butthe access point cannot receive this request and the association fails. What should TessKing do to solve this problem?

A. Reduce the frame size.B. Change the network topology.C. Adjust the radio resources as needed.D. Shrink the cell.

Answer: C

QUESTION NO: 143Which of the following defines the correct path to create an interface in the controller thatties to VLAN for GUESTNET users?

A. VLAN > Interface > NewB. CONTROLLER > Interfaces > NewC. Interfaces > NewD. CONTROLLER > New interfaces


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Answer: B

QUESTION NO: 144In which of the following modes can a LWAPP operate?

A. Layer 2 and Layer 3 LWAPP modeB. Layer 1 and Layer 3 LWAPP modeC. Layer 3 and Layer 5 LWAPP modeD. Layer 1 and Layer 5 LWAPP mode

Answer: A

Tk Cisco.ccna.Wireless.iuwne.640 721

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