Network+ Study Guide 05 (Chapter)

Front 1

05.01
Which is not a common term associated with modems?
A. POTS
B. DSL
C. Cable
D. NIC

Back 1

Which is not a common term associated with modems?
A. POTS
B. DSL
C. Cable
D. NIC

Front 2

05.02
What advantage does a switch have over a hub?
A. It discards frames.
B. Transmissions received on one port will be sent out all the other ports.
C. It recognizes frame boundaries and destination MAC addresses of incoming frames.
D. Any two or more devices the switch connects have the capability of causing a collision
with each other.

Back 2

What advantage does a switch have over a hub?
A. It discards frames.
B. Transmissions received on one port will be sent out all the other ports.
C. It recognizes frame boundaries and destination MAC addresses of incoming frames.
D. Any two or more devices the switch connects have the capability of causing a collision
with each other.

Front 3

05.03
Which device is used to segment a network?
A. Hub
B. Switch
C. Repeater
D. All of the above

Back 3

Which device is used to segment a network?
A. Hub
B. Switch
C. Repeater
D. All of the above

Front 4

05.04
What is the primary function of a bridge?
A. Breaks up collision domains
B. Allows a NIC or other networking device to connect to a different type of media than
it was designed for
C. Allows mobile users to connect to a wired network wirelessly
D. None of the above

Back 4

What is the primary function of a bridge?
A. Breaks up collision domains
B. Allows a NIC or other networking device to connect to a different type of media than
it was designed for
C. Allows mobile users to connect to a wired network wirelessly
D. None of the above

Front 5

05.05
A network device that is used to connect multiple devices together without segmenting a
network is a?
A. Hub
B. Wireless access point
C. Switch
D. Router

Back 5

A network device that is used to connect multiple devices together without segmenting a
network is a?
A. Hub
B. Wireless access point
C. Switch
D. Router

Front 6

05.06
What is the function of a firewall?
A. Protects LAN resources from attackers on the Internet
B. Provides extra bandwidth
C. Reduces throughput
D. Allows access to all computers on a LAN

Back 6

What is the function of a firewall?
A. Protects LAN resources from attackers on the Internet
B. Provides extra bandwidth
C. Reduces throughput
D. Allows access to all computers on a LAN

Front 7

05.07
Which of the following devices can work at both Layers 2 and 3 of the OSI model?
A. Hub
B. Switch
C. Repeater
D. Bridge

Back 7

Which of the following devices can work at both Layers 2 and 3 of the OSI model?
A. Hub
B. Switch
C. Repeater
D. Bridge

Front 8

05.08
What is an advantage of using DHCP in a network environment?
A. More difficult administration of the network
B. Static IP addressing
C. Can send an operating system for the PC to boot from
D. Assigns IP address to hosts

Back 8

What is an advantage of using DHCP in a network environment?
A. More difficult administration of the network
B. Static IP addressing
C. Can send an operating system for the PC to boot from
D. Assigns IP address to hosts

Front 9

05.09
What is a benefit of a multilayer switch (MLS) over a Layer 2 switch?
A. Less bandwidth
B. Routing functions
C. Fewer features
D. Fewer ports

Back 9

What is a benefit of a multilayer switch (MLS) over a Layer 2 switch?
A. Less bandwidth
B. Routing functions
C. Fewer features
D. Fewer ports

Front 10

05.10
Which device should be used if you need to send incoming packets to one or more machines
that are hidden behind a single IP address?
A. Switch
B. Load balancer
C. Hub
D. Repeater

Back 10

Which device should be used if you need to send incoming packets to one or more machines
that are hidden behind a single IP address?
A. Switch
B. Load balancer
C. Hub
D. Repeater

Front 11

05.11
What role does the “A” record in a Domain Name Service (DNS) server have in your network?
A. Translates human name to IP address
B. Translates IP address to human name
C. Enables printing, copying, and faxing from one device
D. Controls network packets to optimize performance

Back 11

What role does the “A” record in a Domain Name Service (DNS) server have in your network?
A. Translates human name to IP address
B. Translates IP address to human name
C. Enables printing, copying, and faxing from one device
D. Controls network packets to optimize performance

Front 12

05.12
Which device does not aid in network segmentation?
A. Router
B. Switch
C. Hub
D. Bridge

Back 12

Which device does not aid in network segmentation?
A. Router
B. Switch
C. Hub (Hubs just connect devices together physically)
D. Bridge

Front 13

05.13
What is the most common use for a web proxy?
A. Web cache
B. Increases throughput
C. Provides administrative control
D. Supports user authentication

Back 13

What is the most common use for a web proxy?
A. Web cache
B. Increases throughput
C. Provides administrative control
D. Supports user authentication

Front 14

05.14
Which is not an advantage of network segmentation?
A. Reduced congestion
B. Improved security
C. Containing network problems
D. Preventing broadcast storms

Back 14

Which is not an advantage of network segmentation?
A. Reduced congestion
B. Improved security
C. Containing network problems
D. Preventing broadcast storms (Notice that all other answers are advantages of a segmented network. Broadcast storms can occur on segmented networks.)

Front 15

05.15
Users arrive at the office after a weekend and the hosts that were shut down over the
weekend are restarted but cannot access the LAN or Internet. Hosts that were not shut
down are working fine. Where can the problem be?
A. The DNS server
B. The DHCP server
C. The Proxy server
D. The Firewall

Back 15

Users arrive at the office after a weekend and the hosts that were shut down over the
weekend are restarted but cannot access the LAN or Internet. Hosts that were not shut
down are working fine. Where can the problem be?
A. The DNS server
B. The DHCP server
C. The Proxy server
D. The Firewall

Front 16

05.16
You need a device that detects and reports attempts of unauthorized access to your
network, identifies suspicious activity, and is best for identifying an attack. Which
device should you install?
A. Firewall
B. IDS
C. IPS
D. Proxy server

Back 16

You need a device that detects and reports attempts of unauthorized access to your
network, identifies suspicious activity, and is best for identifying an attack. Which
device should you install?
A. Firewall
B. IDS
C. IPS
D. Proxy server

Front 17

05.17
Which device creates separate collision domains, but a single broadcast domain?
A. Hub
B. Router
C. Switch
D. Modem

Back 17

Which device creates separate collision domains, but a single broadcast domain?
A. Hub
B. Router
C. Switch (Routers are needed to break up a network into separate broadcast domains)
D. Modem

Front 18

05.18
Which device by default does not forward any broadcast or multicast packets?
A. Repeater
B. Hub
C. Router
D. Switch

Back 18

Which device by default does not forward any broadcast or multicast packets?
A. Repeater
B. Hub
C. Router
D. Switch

Front 19

05.19
Which type of server in your network uses pointer and A records?
A. NAT Translation server
B. IPS/IDS Server
C. DNS Server
D. Proxy Server

Back 19

Which type of server in your network uses pointer and A records?
A. NAT Translation server
B. IPS/IDS Server
C. DNS Server (An A record is a translation of human-word URL’s into machine-readable IP address)
D. Proxy Server

Front 20

05.20
Users on your network are saturating your bandwidth because they are using too many
nonwork related sites. What device would limit the availability of the types of sites that
users on a LAN have access to while providing granular control over the traffic between
the local LAN and the Internet?
A. Switch
B. DHCP server
C. DNS server
D. Proxy server

Back 20

Users on your network are saturating your bandwidth because they are using too many
nonwork related sites. What device would limit the availability of the types of sites that
users on a LAN have access to while providing granular control over the traffic between
the local LAN and the Internet?
A. Switch
B. DHCP server
C. DNS server
D. Proxy server

Front 21

05.21
* Provide Device or OSI Layer:
This device sends and receives information
about the Network layer.

Back 21

Router

Front 22

05.22
* Provide Device or OSI Layer:
This layer creates a virtual circuit before
transmitting between two end stations.

Back 22

Transport

Front 23

05.23
* Provide Device or OSI Layer:
A layer-3 switch or multilayer switch

Back 23

Router

Front 24

05.24
* Provide Device or OSI Layer:
This device uses hardware addresses to
filter a network.

Back 24

Bridge or switch

Front 25

05.25
* Provide Device or OSI Layer:
Ethernet is defined at these layers.

Back 25

Data Link and Physical

Front 26

05.26
* Provide Device or OSI Layer:
This layer supports flow control and
sequencing.

Back 26

Transport

Front 27

05.27
* Provide Device or OSI Layer:
This device can measure the distance to a
remote network.

Back 27

Router

Front 28

05.28
* Provide Device or OSI Layer:
Logical addressing is used at this layer.

Back 28

Network

Front 29

05.29
* Provide Device or OSI Layer:
Hardware addresses are defined at
this layer.

Back 29

Data Link (MAC sublayer)

Front 30

05.30
* Provide Device or OSI Layer:
This device creates one big collision
domain and one large broadcast domain.

Back 30

Hub

Front 31

05.31
* Provide Device or OSI Layer:
This device creates many smaller collision
domains, but the network is still one large
broadcast domain.

Back 31

Switch or bridge

Front 32

05.32
* Provide Device or OSI Layer:
This device can never run full duplex.

Back 32

Hub

Front 33

05.33
* Provide Device or OSI Layer:
This device breaks up collision domains
and broadcast domains.

Back 33

Router