Chapter- 5 Ethernet Fundamentals - KSU
Transcript of Chapter- 5 Ethernet Fundamentals - KSU
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CompTIA N +
Exam: N10-007
Walid Mahmoud Dahbour
King Saud University
Certified Professional Trainer (CPT)-(TTT)-(TOT)
CISCO Academy Instructor
Microsoft Academy Instructor
Cyber Security Trainer
MTA- MOS Trainer CompTIA Network+ Trainer
Chapter- 5
Ethernet Fundamentals
1
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Speed Limitations:
Category
Cat-3
Cat-5
Cat-5e, cat-6
Cat-6a, Cat-7
Fiber Network
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Additional Ethernet Switch Features:
** VLANs, Trunking, and STP will be covered in other lessons **
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Quality of Service (QoS):
** Quality of Service (QoS) will be covered in other lessons **
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Specialized Network Devices: 5- 5
VPN concentrators
Firewalls DNS Server
DHCP Server
Proxy Server
Content Engines
and Switches
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Fully- Qualified Domain Name (FQDN)
(Service.Name.Top Level Domain)
yahoo
Service: www, mail, ftp
Name: yahoo, Google, Amazon
Top Level Domain: .com, .mil, .edu
FQDN Example:
www.yahoo.com
FQDN Structure
1 2 3
1 2 3
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Uniform Resource Locator (URL):
yahoo
• The URL contains the FQDN with method of accessing
information (Secured (https://) or not Secured (http://).
https://www.yahoo.com
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Question#1:
67
Which device improves network performance by dividing a given network segment
into separate collision domains?
A. Hub
B. Repeater
C. Switch
D. Router
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Question#2:
68
Which of the devices listed below is used for separating broadcast domains?
A. Hub
B. Repeater
C. Switch
D. Router
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Question#3:
69
The purpose of the Carrier Sense Multiple Access (CSMA) protocol is to verify the
absence of other traffic on a shared medium before transmitting to prevent
collisions and loss of data.
A. True
B. False.
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Question#4:
70
Which of the following allows for verifying the absence of traffic on a shared
transmission medium in 802.3 networks?
A. CDMA
B. CSMA/CA
C. CWDM
D. CSMA/CD
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Question#5:
71
Which of the terms listed below refers to a logical grouping of computers that
allow computer hosts to act as if they were attached to the same broadcast
domain regardless of their physical location?
A. VLAN
B. DNS
C. SNMP community
D. VPN
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Question#6:
72
A network segment utilizing only this type of device is the most prone to network
performance degradation due to large number of network collisions.
A. Bridge
B. Hub
C. Switch
D. Router
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Question#7:
73
In computer networking, the term "Collision" refers to a situation in which two or
more demands are made simultaneously on an equipment that can handle only
one request at any given moment.
A. True.
B. False.
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Question#8:
74
Which of the following standards implements PoE+?
A. IEEE 802.1d
B. IEEE 802.3at
C. IEEE 802.1X
D. IEEE 802.3ab
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Question#9:
75
A solution that allows to supply electricity over standard Ethernet cables is known
as: (Select 2 answers)
A. IEEE 802.3ab
B. PoE
C. IEEE Metro-Ethernet
D. IEEE 802.3af
E. PSTN
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Question#10:
76
Which of the following allows an administrator to inspect the traffic passing
through a network switch?
A. Port mirroring
B. VLAN tagging
C. Fault-tolerant mode
D. Port scanning
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Question#11:
77
To allow traffic from multiple VLANs on a single communication link, frames from
individual VLANs must be identified. The most common and preferred method, IEEE
802.1Q, adds a tag to the Ethernet frame header, labeling it as belonging to a certain
VLAN.
A. True
B. False
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Question#12:
78
A type of port assigned to carry traffic from all the VLANs connected to a specific network
switch is known as:
A. Default gateway
B. Trunk port
C. Registered port
D. Mirrored port
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Question#13:
79
An Ethernet switch forwards LAN traffic from connected devices based on the information
stored in:
A. DNS table
B. Routing table
C. MAC address table
D. All of the Above.
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Question#14:
80
An Ethernet switch table containing IP-to-MAC address mappings is called:
A. ARP table
B. Routing table
C. MAC address table
D. DNS table