Enterasys Networks 2B0-015ES WirelessVersion 1.0

QUESTION NO: 1 What is the default password on the R2?

A. publicB. privateC. adminD. password

Answer: D

QUESTION NO: 2 The RoamAbout adapter/carrier modules:

A. Allow a wireless PC Card to be housed inside a desktop PCB. Are decorative covers to conceal the Access PointC. Are a high-speed uplink module for the Access PointD. Allow you to attach a directional antenna to the PC Card

Answer: A

QUESTION NO: 3 What are two reasons to do a Link Test when planning and installing a Wireless Infrastructure Network?

A. Determine signal strength in various locationsB. Locate sources of interferenceC. Enable the NetRider applicationD. Configure network parameters

Answer: A,B

QUESTION NO: 4 What does the RoamAbout employ, by default, to confirm successful frame delivery?

A. There is no method of ensuring successful deliveryB. The receiving station sends a MAC level acknowledgementC. Resolution by upper layer protocols (i.e., TCP) at the sending stationD. The sending station sends a source frame to verify delivery

Answer: B

QUESTION NO: 5 When configuring LAN-to-LAN Endpoint, which of the following do you need?

A. Wireless MAC Address of the remote Access PointB. Different channels configured on both Access PointsC. IP Address of the remote Access PointD. Wired MAC Address of the remote Access Point

Answer: A

QUESTION NO: 6 What is a wireless device called when its transmissions cannot be sensed by another wireless device or devices in the network?

A. Hidden StationB. Hidden ClientC. Rogue StationD. Rogue Client

Answer: A

QUESTION NO: 7 What are two ways you can make Telnet access to your R2s more secure?

A. Enable SSHB. Enable SSL/TLSC. Change the password regularlyD. Enable encryption

Answer: A,C

QUESTION NO: 8 What does the # represent on the AP LEDs?

A. Network congestionB. Wired LAN activityC. Wireless LAN activityD. Unable to forward packets

Answer: B

QUESTION NO: 9 Ad Hoc Mode is an example of which wireless topology?

A. EESS ?External Extended Service SetB. ESS ?Extended Service SetC. BSS ?Basic Service SetD. IBSS ?Independent Basic Service Set

Answer: D

QUESTION NO: 10 Which of the following does NOT affect the size of a cell?

A. Network utilizationB. HumidityC. Transmit speedsD. Radio frequency noise

Answer: B

QUESTION NO: 11 Up to how many buildings may be connected in a Point-to-Multipoint configuration?

A. 12B. 3C. 8D. 7

Answer: D

QUESTION NO: 12 Which of the following does NOT affect the size of a cell?

A. HumidityB. Transmit speedsC. Network utilizationD. Radio frequency noise

Answer: A

QUESTION NO: 13 What file extension is used for RoamAbout Boot ROM image files?

A. .txtB. .BINC. .WEPD. .asp

Answer: B

QUESTION NO: 14 How do you avoid radio frequency interference within an area when positioning multiple APs with 802.11b PC Cards installed?

A. Enable Secure AccessB. Configure overlapping cells at least five channels apartC. Maintain at least 100 meters distance between APsD. Configure different network names on the APs

Answer: B

QUESTION NO: 15 What are two solutions to a "Hidden Station" problem?

A. Enable the RTS/CTS ProtocolB. Increase the transmission power of the stationC. Move the problem stationD. Increase the Density setting

Answer: A,C

QUESTION NO: 16 What must be configured before an Access Point can be successfully upgraded via the console?

A. TFTP/BootP serverB. Wireless Network ParametersC. Image filesD. The "Reset to Factory Defaults" parameter

Answer: A

QUESTION NO: 17 Where would you look to find what MIBs are supported on the RoamAbout Access Points?

A. Firmware release notesB. In the device .cfg fileC. Guide to Wireless LANsD. The Help file in your NMS

Answer: A

QUESTION NO: 18 The RoamAbout Wireless Ethernet Adapter is used to:

A. Connect an antenna to the Access PointB. Allow a single device with an Ethernet port to connect to the wireless networkC. Allow multiple channels to be configured on an Access PointD. Allow a wireless PC Card to be housed inside a desktop PC

Answer: B

QUESTION NO: 19 What is the normal LED indication for both wired and wireless LAN LEDs?

A. Constant blinkingB. SolidC. OffD. Random blinking

Answer: D

QUESTION NO: 20 Which of the following is NOT a result of radio interference?

A. Reduction in coverage distanceB. Alarm generationC. Loss of data packetsD. Performance degradation

Answer: B

QUESTION NO: 21 IEEE 802.11 stipulates the use of which security measure to make the wireless network at least as secure as a normal wired LAN?

A. A lockable security box for the Access PointB. 802.1X AuthenticationC. Host key generationD. WEP Encryption

Answer: D

QUESTION NO: 22 What must be used to power the AP via the Ethernet cable?

A. Null modem cableB. MOD-TAP connectorC. Optional power amplifierD. Remote power injector

Answer: D

QUESTION NO: 23 When should an Upline Dump be enabled for the AP 2000?

A. When requested by a RoamAbout service representativeB. When configuring the AP for an upgrade to its firmwareC. When copying configurations from one AP to anotherD. When troubleshooting a poor SNR

Answer: A

QUESTION NO: 24 Which of the following is NOT a reason to perform an indoor site survey?

A. Verify proper AP placementB. Determine supported data rates in all locationsC. Verify proper placement of desktop PCsD. Determine actual coverage areas

Answer: C

QUESTION NO: 25 Why is it important to read Release Notes when installing a wireless PC Card and its drivers?

A. To enable you to decipher LED indicationsB. To learn what channels are supported in your geographic regionC. They include a PC Card license keyD. To learn about restrictions and requirements for your OS

Answer: D

QUESTION NO: 26 What does the # represent on the AP LEDs?

A. Unable to forward packetsB. Wired LAN activityC. Network congestionD. Wireless LAN activity

Answer: B

QUESTION NO: 27 Which of the following is NOT a source of radio interference?

A. Theft detection devicesB. Overhead power linesC. Microwave ovensD. Cable TV

Answer: D

QUESTION NO: 28 What are two reasons to do a Link Test when planning and installing a Wireless Infrastructure Network?

A. Determine signal strength in various locationsB. Configure network parametersC. Enable the NetRider applicationD. Locate sources of interference

Answer: A,D

QUESTION NO: 29 Which of the following is NOT a source of radio interference?

A. Overhead power linesB. Cable TVC. Theft detection devicesD. Microwave ovens

Answer: B

QUESTION NO: 30 Which of the following is necessary when using directional antennas?

A. Visual line-of-sightB. AP on either end must be set to auto-transmitC. Antenna height of at least 5 metersD. Each AP must be configured for authentication

Answer: A

QUESTION NO: 31 Which AP Manager utility is used during LAN-to-LAN installations to determine signal strength?

A. Link testB. AuthenticationC. Site MonitorD. Integrity Check

Answer: A

QUESTION NO: 32 Which of the following is necessary when using directional antennas?

A. Visual line-of-sightB. AP on either end must be set to auto-transmitC. Antenna height of at least 5 metersD. Each AP must be configured for authentication

Answer: A

QUESTION NO: 33 How can you tell whether or not you are in a secure web management session?

A. The web address begins with https://B. A "Secure Web" banner is displayedC. There is no way to tellD. A different password is required for access

Answer: A

QUESTION NO: 34 What media access method does the RoamAbout use?

A. CSMA/CDB. Binary Sequential Back offC. CSMA/CAD. Beacon exchange

Answer: C

QUESTION NO: 35 Which of the following AP Manager features allows you to check your existing wireless network connections for consistent settings?

A. Network ParametersB. Wireless ParametersC. Integrity ParametersD. Authentication Parameters

Answer: C

QUESTION NO: 36 How do you avoid cross-channel interference when positioning several APs, configured with 802.11b PC Cards, adjacent to each other?

A. Ensure a 100 meter distance between APsB. Enable the RTS/CTS ProtocolC. Set the APs to different channels that are at least five channels apartD. Set the APs to different network names and channels

Answer: C

QUESTION NO: 37 How do you avoid radio frequency interference within an area when positioning multiple APs with 802.11b PC Cards installed?

A. Maintain at least 100 meters distance between APsB. Configure overlapping cells at least five channels apartC. Configure different network names on the APsD. Enable Secure Access

Answer: B

QUESTION NO: 38 What does the RoamAbout employ, by default, to confirm successful frame delivery?

A. The sending station sends a source frame to verify deliveryB. Resolution by upper layer protocols (i.e., TCP) at the sending stationC. The receiving station sends a MAC level acknowledgementD. There is no method of ensuring successful delivery

Answer: C

QUESTION NO: 39 When should an Upline Dump be enabled for the AP 2000?

A. When copying configurations from one AP to anotherB. When requested by a RoamAbout service representativeC. When configuring the AP for an upgrade to its firmwareD. When troubleshooting a poor SNR

Answer: B

QUESTION NO: 40 What does the # represent on the AP LEDs?

A. Wireless LAN activityB. Unable to forward packetsC. Wired LAN activityD. Network congestion

Answer: C

QUESTION NO: 41 The RoamAbout Access Points with 802.11b PC Cards installed use:

A. Narrow Band Spread SpectrumB. Frequency Hopping Spread SpectrumC. Dense Wave Division (DWD) Spread SpectrumD. Direct Sequence Spread Spectrum

Answer: D

QUESTION NO: 42 Which of the following answers is NOT true? AP Firmware upgrades are sometimes necessary to:

A. Correct software related issuesB. Address software incompatibilitiesC. Introduce new featuresD. Update PC Card embedded software

Answer: D

QUESTION NO: 43 IEEE 802.11 stipulates the use of which security measure to make the wireless network at least as secure as a normal wired LAN?

A. WEP EncryptionB. Host key generationC. 802.1X AuthenticationD. A lockable security box for the Access Point

Answer: A

QUESTION NO: 44 What does the channel represent when configured on the Access Point?

A. A course or direction for data trafficB. A means of communicating over the airC. The central radio frequency for a wireless deviceD. A range of frequencies supported on the Access Point

Answer: C

QUESTION NO: 45 What does the RoamAbout employ, by default, to confirm successful frame delivery?

A. There is no method of ensuring successful deliveryB. Resolution by upper layer protocols (i.e., TCP) at the sending stationC. The sending station sends a source frame to verify deliveryD. The receiving station sends a MAC level acknowledgement

Answer: D

QUESTION NO: 46 What is the name of AP Manager integrated BootP/TFTP server application?

A. RATB. NetSight AtlasC. NCM_PCOVD. NetRider

Answer: D

QUESTION NO: 47 The RoamAbout adapter/carrier modules:

A. Are a high-speed uplink module for the Access PointB. Allow you to attach a directional antenna to the PC CardC. Allow a wireless PC Card to be housed inside a desktop PCD. Are decorative covers to conceal the Access Point

Answer: C

QUESTION NO: 48 What must be used to power the AP via the Ethernet cable?

A. Remote power injectorB. Null modem cableC. MOD-TAP connectorD. Optional power amplifier

Answer: A

QUESTION NO: 49 Which of the following is NOT a feature of the RoamAbout Client Utility?

A. Monitor the amount of collisions in the wireless network before enabling the RTS/CTS ProtocolB. Monitor SNR levels and signal and noise levelsC. View and modify the configuration on the RoamAbout 802.11b PC CardD. Monitor the wireless performance of the client RoamAbout 802.11b PC Card

Answer: A

QUESTION NO: 50 Which of the following is NOT a source of radio interference?

A. Overhead power linesB. Cable TVC. Microwave ovensD. Theft detection devices

Answer: B

QUESTION NO: 51 Why is it important to read Release Notes when installing a wireless PC Card and its drivers?

A. To learn what channels are supported in your geographic regionB. They include a PC Card license keyC. To learn about restrictions and requirements for your OSD. To enable you to decipher LED indications

Answer: C

QUESTION NO: 52 Where would you look to find what MIBs are supported on the RoamAbout Access Points?

A. Firmware release notesB. The Help file in your NMSC. Guide to Wireless LANsD. In the device .cfg file

Answer: A

QUESTION NO: 53 Ad Hoc Mode is an example of which wireless topology?

A. EESS ?External Extended Service SetB. ESS ?Extended Service SetC. IBSS ?Independent Basic Service SetD. BSS ?Basic Service Set

Answer: C

QUESTION NO: 54 What are two solutions to a "Hidden Station" problem?

A. Increase the Density settingB. Increase the transmission power of the stationC. Move the problem stationD. Enable the RTS/CTS Protocol

Answer: C,D

QUESTION NO: 55 Which AP Manager utility is used during LAN-to-LAN installations to determine signal strength?

A. Link testB. Integrity CheckC. AuthenticationD. Site Monitor

Answer: A

QUESTION NO: 56 In terms of bandwidth, how do the IEEE 802.11a and 802.11b specifications differ?

A. 802.11a supports up to 22 Mbps; 802.11b supports up to 54 MbpsB. 802.11a supports up to 54 Mbps; 802.11b supports up to 11 MbpsC. 802.11a supports up to 2 Mbps; 802.11b supports up to 11 MbpsD. 802.11a supports up to 54 Mbps; 802.11b supports up to 2 Mbps

Answer: B

QUESTION NO: 57 How do you avoid cross-channel interference when positioning several APs, configured with 802.11b PC Cards, adjacent to each other?

A. Enable the RTS/CTS ProtocolB. Set the APs to different channels that are at least five channels apartC. Ensure a 100 meter distance between APsD. Set the APs to different network names and channels

Answer: B

QUESTION NO: 58 In which of the following devices is the PC Radio Card NOT used?

A. Wireless Ethernet AdapterB. Carrier (adapter) modulesC. Omni-directional antennaD. Laptops

Answer: C

QUESTION NO: 59 Which of the following does NOT affect the size of a cell?

A. Transmit speedsB. HumidityC. Network utilizationD. Radio frequency noise

Answer: B

QUESTION NO: 60 What is a wireless device called when its transmissions cannot be sensed by another wireless device or devices in the network?

A. Hidden StationB. Rogue StationC. Hidden ClientD. Rogue Client

Answer: A

QUESTION NO: 61 What are two ways you can make Telnet access to your R2s more secure?

A. Enable SSHB. Change the password regularlyC. Enable encryptionD. Enable SSL/TLS

Answer: A,B

QUESTION NO: 62 Which AP Manager utility is used during LAN-to-LAN installations to determine signal strength?

A. Link testB. Site MonitorC. Integrity CheckD. Authentication

Answer: A

QUESTION NO: 63 Ad Hoc Mode is an example of which wireless topology?

A. IBSS ?Independent Basic Service SetB. BSS ?Basic Service SetC. ESS ?Extended Service SetD. EESS ?External Extended Service Set

Answer: A

QUESTION NO: 64 How can you tell whether or not you are in a secure web management session?

A. There is no way to tellB. A different password is required for accessC. A "Secure Web" banner is displayedD. The web address begins with https://

Answer: D

QUESTION NO: 65 What type of cable is required to connect a terminal to the console port of the AP?

A. Cross-overB. Null Modem DB9 to DB9C. Straight-through Cat 5D. Multi-Mode Fiber

Answer: B

QUESTION NO: 66 What must be used to power the AP via the Ethernet cable?

A. Remote power injectorB. Null modem cableC. Optional power amplifierD. MOD-TAP connector

Answer: A

QUESTION NO: 67 What file extension is used for RoamAbout Boot ROM image files?

A. .txtB. .aspC. .BIND. .WEP

Answer: C

QUESTION NO: 68 For Rapid Rekeying to be employed, what must be enabled and configured on the Access Point?

A. 802.1X AuthenticationB. Dynamic Key DistributionC. User Personalized NetworkingD. Secure Shell

Answer: A

QUESTION NO: 69 With Secure Access enabled on an AP with an IEEE 802.11b PC Card installed, which of the following is true?

A. The AP allows access to wireless clients that use "ANY" as the wireless network nameB. The AP denies access to wireless clients that do not use the correct wireless network nameC. The AP allows access to wireless clients that leave the wireless network name configuration blankD. The AP denies access to wireless clients that do not provide the proper access password

Answer: B

QUESTION NO: 70 What window in Client Utility provides detailed signal quality information about the client and its test partner?

A. Log SettingsB. Card DiagnosticsC. Test HistoryD. Test Results

Answer: D

QUESTION NO: 71 In which of the following devices is the PC Radio Card NOT used?

A. Wireless Ethernet AdapterB. Omni-directional antennaC. Carrier (adapter) modulesD. Laptops

Answer: B

QUESTION NO: 72 How does Spread Spectrum handle radio signals?

A. Takes a narrow-band signal and spreads it over a broad portion of a radio frequency bandB. Encodes data by varying the amplitude of a constant frequency carrierC. Broadcasts the signal at a very narrow frequencyD. Splits a mixture of signals into several, overlapping wideband frequencies

Answer: A

QUESTION NO: 73 With Secure Access enabled on an AP with an IEEE 802.11b PC Card installed, which of the following is true?

A. The AP allows access to wireless clients that use "ANY" as the wireless network nameB. The AP denies access to wireless clients that do not use the correct wireless network nameC. The AP allows access to wireless clients that leave the wireless network name configuration blankD. The AP denies access to wireless clients that do not provide the proper access password

Answer: B

QUESTION NO: 74 To upgrade firmware and Boot ROMs, go to which window in AP Manager?

A. ReloadB. HardwareC. FilteringD. Discover

Answer: A

QUESTION NO: 75 What are two reasons to do a Link Test when planning and installing a Wireless Infrastructure Network?

A. Locate sources of interferenceB. Enable the NetRider applicationC. Determine signal strength in various locationsD. Configure network parameters

Answer: A,C

QUESTION NO: 76 When configuring LAN-to-LAN Endpoint, which of the following do you need?

A. Wired MAC Address of the remote Access PointB. Different channels configured on both Access PointsC. Wireless MAC Address of the remote Access PointD. IP Address of the remote Access Point

Answer: C

QUESTION NO: 77 Which of the following is NOT a feature of the RoamAbout Client Utility?

A. Monitor the wireless performance of the client RoamAbout 802.11b PC CardB. Monitor the amount of collisions in the wireless network before enabling the RTS/CTS ProtocolC. Monitor SNR levels and signal and noise levelsD. View and modify the configuration on the RoamAbout 802.11b PC Card

Answer: B

QUESTION NO: 78 The Fresnel Zone is:

A. An area of concentrated radio waves near an outdoor antennaB. An area of highly amplified radio waves created by any smooth surface beneath the signalC. The electrically grounded area in an outdoor antenna installationD. An elliptical area around the visual line-of-sight in which radio waves spread out into after they leave an antenna

Answer: D

QUESTION NO: 79 To upgrade firmware and Boot ROMs, go to which window in AP Manager?

A. HardwareB. FilteringC. DiscoverD. Reload

Answer: D

QUESTION NO: 80 Where would you look to find what MIBs are supported on the RoamAbout Access Points?

A. In the device .cfg fileB. The Help file in your NMSC. Guide to Wireless LANsD. Firmware release notes

Answer: D

QUESTION NO: 81 Why is it important to read Release Notes when installing a wireless PC Card and its drivers?

A. They include a PC Card license keyB. To learn about restrictions and requirements for your OSC. To learn what channels are supported in your geographic regionD. To enable you to decipher LED indications

Answer: B

QUESTION NO: 82 When configuring LAN-to-LAN Endpoint, which of the following do you need?

A. Wireless MAC Address of the remote Access PointB. IP Address of the remote Access PointC. Wired MAC Address of the remote Access PointD. Different channels configured on both Access Points

Answer: A

QUESTION NO: 83 What is the theoretical maximum number of users that an Access Point can support per installed PC Radio Card?

A. 25 to 50B. 365C. 250D. 1024

Answer: C

QUESTION NO: 84 In which of the following devices is the PC Radio Card NOT used?

A. Wireless Ethernet AdapterB. Carrier (adapter) modulesC. Omni-directional antennaD. Laptops

Answer: C

QUESTION NO: 85 If Density is configured at the Microcell level on the AP and Medium Density Distribution is enabled, the client will:

A. Never change its current associationB. Be unable to roamC. Associate with an assigned AP onlyD. Constantly look for an AP with a stronger signal

Answer: D

QUESTION NO: 86 What RMON groups are supported on the RoamAbout APs?

A. History, Alarm, Matrix, FilterB. Statistics, Host, Alarm, Packet CaptureC. Statistics, History, Alarm, EventsD. All nine groups are supported

Answer: C

QUESTION NO: 87 IEEE 802.11 stipulates the use of which security measure to make the wireless network at least as secure as a normal wired LAN?

A. Host key generationB. 802.1X AuthenticationC. A lockable security box for the Access PointD. WEP Encryption

Answer: D

QUESTION NO: 88 What group ensures the interoperability of wireless products across vendors?

A. Federal Communications CommissionB. W-Fi AllianceC. Wireless Ethernet Compatibility AllianceD. UNH Interoperability Lab

Answer: B

QUESTION NO: 89 For what is the directional antenna generally used?

A. Within Wireless Infrastructure NetworksB. For the logical center of an ad-hoc networkC. In LAN-to-LAN Endpoint solutionsD. The Central AP in a Point-to-Multipoint solution

Answer: C

QUESTION NO: 90 What file extension is used for RoamAbout Boot ROM image files?

A. .txtB. .aspC. .WEPD. .BIN

Answer: D