Deck 15: Supporting Network Hardware

Question 1

 Under what circumstance might you use an Ethernet loopback plug?

A) to test a USB port
B) to capture network packets
C) to test a network cable
D) to find the max speed of a connection

Answer 1

C

Question 2

 What statement regarding crossover cables is accurate?

A) it's normally used to connect a computer to a hub or switch
B) you use the T568B wiring standard on both ends
C) it is required to connect two Gigabit Ethernet switches together
D) it can be used to connect two PCs together

Answer 2

D

Question 3

 What cable system utilizes a fiber-optic cable?

A) 10GBaseT
B) 1000BaseFX
C) 10Base2
D) 10Base5

Answer 3

B

Question 4

 A punchdown tool is used to wire twisted-pair cabling to a keystone jack.

Question 5

) What command will display a list of active and inactive network interfaces on Unix, Linux, and Mac OS X?

A) ipconfig -a
B) ifconfig -a
C) netsh show interfaces
D) ip list network

Question 6

 What type of device do you need if you want to connect two network segments together such as a wireless network and a wired network?

A) hub
B) NAS
C) repeater
D) bridge

Question 7

 A WLAN covers a large geographical area and is made up of many smaller networks.

Question 8

 Phone cords are a type of twisted-pair cable and use an RJ-45 connector.

Question 9

 10Base5 cabling runs at speeds up to 1 Gbps and distances to 500 meters.

Question 10

 Which statement regarding 10-Gigabit Ethernet is accurate?

A) you can use Cat-5e or Cat-6 cabling
B) it is a good choice for backbone networks
C) it is sometimes called Fast Ethernet
D) coaxial is a good choice for cabling

Question 11

 What type of network device keeps a table of the MAC addresses of the devices connected to it?

A) hub
B) router
C) NIC
D) switch

Question 12

 Why are there twists in the wires that are used for network cabling?

A) the twists increase the cable strength
B) the twists reduce crosstalk
C) the twists make it easier to punchdown the cable
D) the twists reduce the amount of copper needed

Question 13

 What network type covers a large campus or city?

A) PAN
B) WLAN
C) MAN
D) WAN

Question 14

 Which of the following is true about cable Internet?

A) you share the cable infrastructure with your neighbors
B) you need filters on every phone jack
C) fiber optic cabling is required
D) provides up to 2.3 Mbps of bandwidth

Question 15

) What is the unit of information called when a network adapter adds the source and destination MAC address to the segment of data before it is transmitted on the network?

A) frame
B) packet
C) bit
D) segment

Question 16

 If you're looking to install Gigabit Ethernet, what cabling system would you use?

A) coaxial
B) thinnet
C) Cat-6
D) RG-59

Question 17

 Which physical topology uses a centralized device to manage traffic on the network?

A) mesh
B) ring
C) bus
D) star bus

Question 18

 What does a 1000BaseT NIC use to connect to a network cable?

A) HDMI port
B) RJ-45 port
C) 10BaseT port
D) Half duplex port

Question 19

 In order to terminate multiple network cables that converge in one location such as an electrical closet or server room, what should you use?

A) patch panel
B) RJ-45 jack
C) terminal adapter
D) loopback port

Question 20

 Switches are slowly being replaced by hubs, which are newer technology.

Question 21

 What DSL technology provides equal bandwidth in both directions?

A) ADSL
B) VDSL
C) SDSL
D) HDSL

Question 22

Matching
Match each item with a statement below.
a. broadband
b. throughput
c. ferrite clamp
d. latency
e. fast Ethernet
f. patch cable
g. STP
h. switch
i. repeater
j. DSL
. uses ordinary copper phone lines and a range of frequencies on the copper wire to provide Internet

Question 23

 What two standards have been established for wiring twisted-pair cabling and RJ-45 connectors?

A) T568A
B) T568B
C) TIA/EIA 586
D) T568C

Question 24

 What two commands are used to display TCP/IP configuration on Windows and Unix / Linux / Mac OS X operating systems, respectively?

A) net show
B) ipconfig
C) show ip stat
D) ifconfig

Question 25

 If you are experiencing issues reaching a target destination network, and you need to to display each hop to the destination, what command should you use?

A) ipconfig
B) ifconfig
C) tracert
D) nslookup

Question 26

Matching
Match each item with a statement below.
a. broadband
b. throughput
c. ferrite clamp
d. latency
e. fast Ethernet
f. patch cable
g. STP
h. switch
i. repeater
j. DSL
 a device that keeps a table of MAC addresses to port mappings

Question 27

Matching
Match each item with a statement below.
a. broadband
b. throughput
c. ferrite clamp
d. latency
e. fast Ethernet
f. patch cable
g. STP
h. switch
i. repeater
j. DSL
 uses a covering or shield around wire pairs

Question 28

 In the T568B wiring scheme, what two color pairs are used for transmit and receive on a 100BaseT network?

A) White/green, green
B) White/brown, brown
C) White/orange, orange
D) White/blue, blue

Question 29

Matching
Match each item with a statement below.
a. broadband
b. throughput
c. ferrite clamp
d. latency
e. fast Ethernet
f. patch cable
g. STP
h. switch
i. repeater
j. DSL
 a networking technology that carries more than one type of signal

Question 30

 What version of Ethernet utilizes a fiber-optic cable and has a transmission speed of 100 Mbps?

A) 100BaseTX
B) 100BaseFX
C) 1000BaseFX
D) 100BaseCX

Question 31

Matching
Match each item with a statement below.
a. broadband
b. throughput
c. ferrite clamp
d. latency
e. fast Ethernet
f. patch cable
g. STP
h. switch
i. repeater
j. DSL
 a device that amplifies and retransmits signal to a wider coverage area

Question 32

) What two different types of coaxial cable have been used for cable TV?

A) RJ-45
B) RG-6
C) RG-59
D) RG-PVC

Question 33

Matching
Match each item with a statement below.
a. broadband
b. throughput
c. ferrite clamp
d. latency
e. fast Ethernet
f. patch cable
g. STP
h. switch
i. repeater
j. DSL
 used to connect a computer to a switch or other network device

Question 34

 What two terms describe the type of network cable that is used for connecting a computer to a switch or other network device?

A) crossover cable
B) power over Ethernet cable
C) straight-through cable
D) patch cable

Question 35

 What statement regarding satellite connections is accurate?

A) It provides higher throughput than other connections
B) It is only available in metropolitan areas
C) It provides low latency connection
D) It requires line of sight connectivity

Question 36

Matching
Match each item with a statement below.
a. broadband
b. throughput
c. ferrite clamp
d. latency
e. fast Ethernet
f. patch cable
g. STP
h. switch
i. repeater
j. DSL
 operates at 100 Mbps and uses STP or UTP cabling, rated CAT-5 or higher

Question 37

 What command manages user accounts on the local system in Windows?

A) net user
B) net localuser
C) useradd
D) netsh user

Question 38

Matching
Match each item with a statement below.
a. broadband
b. throughput
c. ferrite clamp
d. latency
e. fast Ethernet
f. patch cable
g. STP
h. switch
i. repeater
j. DSL
 a device that helps to eliminate electromagnetic interference (EMI)

Question 39

Matching
Match each item with a statement below.
a. broadband
b. throughput
c. ferrite clamp
d. latency
e. fast Ethernet
f. patch cable
g. STP
h. switch
i. repeater
j. DSL
 delays in network transmission

Question 40

Matching
Match each item with a statement below.
a. broadband
b. throughput
c. ferrite clamp
d. latency
e. fast Ethernet
f. patch cable
g. STP
h. switch
i. repeater
j. DSL
 the average of the actual speed of a network

Question 41

 What are the differences between a hub and a switch?

Question 42

 What are some of the considerations when deciding between cable Internet and DSL? Describe two.

Question 43

 What consideration should be taken for Ethernet cables that are installed in plenum areas?

Question 44

 What is the difference between bandwidth and throughput?

Question 45

 What is Power over Ethernet and how might you use it?

Question 46

. What is the nslookup command, and what does it do?

Question 47

 What does the ping command do?

Question 48

 What is fiber optic cabling and what are the two types of fiber-optic cable?

Question 49

 Compare a straight-through cable with a crossover cable.

Question 50

 Describe a WAN and give an example of a WAN.