Chapter 15 - Hardware Support A+

9 September 2022
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30 test answers

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question
A WLAN covers a large geographical area and is made up of many smaller networks. True or False
answer
False
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Phone cords are a type of twisted-pair cable and use an RJ-45 connector. True or False
answer
False
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10Base5 cabling runs at speeds up to 1 Gbps and distances to 500 meters. True or False
answer
False
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A punchdown tool is used to wire twisted-pair cabling to a keystone jack. True or False
answer
True
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Switches are slowly being replaced by hubs, which are newer technology. True or False
answer
False
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What network type covers a large campus or city? PAN WLAN MAN WAN
answer
MAN
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Which physical topology uses a centralized device to manage traffic on the network? mesh ring bus star bus
answer
star bus
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Which of the following is true about cable Internet? -you share the cable infrastructure with your neighbors -you need filters on every phone jack -fiber optic cabling is required -provides up to 2.3 Mbps of bandwidth
answer
you share the cable infrastructure with your neighbors
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What does a 1000BaseT NIC use to connect to a network cable? HDMI port RJ-45 port 10BaseT port Half duplex port
answer
RJ-45
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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? frame packet bit segment
answer
frame
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What type of network device keeps a table of the MAC addresses of the devices connected to it? hub router NIC switch
answer
switch
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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? hub NAS repeater bridge
answer
bridge
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What cable system utilizes a fiber-optic cable? 10GBaseT 1000BaseFX 10Base2 10Base5
answer
1000BaseFX
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If you're looking to install Gigabit Ethernet, what cabling system would you use? coaxial thinnet Cat-6 RG-59
answer
Cat-6
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Which statement regarding 10-Gigabit Ethernet is accurate? you can use Cat-5e or Cat-6 cabling it is a good choice for backbone networks it is sometimes called Fast Ethernet coaxial is a good choice for cabling
answer
it is a good choice for backbone networks
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Under what circumstance might you use an Ethernet loopback plug? to test a USB port to capture network packets to test a network cable to find the max speed of a connection
answer
to test a network cable
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In order to terminate multiple network cables that converge in one location such as an electrical closet or server room, what should you use? patch panel RJ-45 jack terminal adapter loopback port
answer
patch panel
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What statement regarding crossover cables is accurate? -it's normally used to connect a computer to a hub or switch -you use the T568B wiring standard on both ends -it is required to connect two Gigabit Ethernet switches together -it can be used to connect two PCs together
answer
it can be used to connect two PCs together
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Why are there twists in the wires that are used for network cabling? -the twists increase the cable strength -the twists reduce crosstalk -the twists make is easier to punchdown the cable -the twists reduce the amount of copper needed
answer
the twists reduce crosstalk
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What command will display a list of active and inactive network interfaces on Unix, Linux, and Mac OS X? ipconfig -a ifconfig -a netsh show interfaces ip list network
answer
ifconfig -a
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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? ipconfig ifconfig tracert nslookup
answer
tracert
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What command manages user accounts on the local system in Windows? net user net localuser useradd netsh user
answer
net user
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What version of Ethernet utilizes a fiber-optic cable and has a transmission speed of 100 Mbps? 100BaseTX 100BaseFX 1000BaseFX 100BaseCX
answer
100BaseFX
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What statement regarding satellite connections is accurate? -it provides higher throughput than other connections -it is only available in metropolitan areas -it provides low latency connection -it requires line of sight connectivity
answer
it requires line of sight connectivity
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What DSL technology provides equal bandwidth in both directions? ADSL VDSL SDSL HDSL
answer
SDSL
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What two standards have been established for wiring twisted-pair cabling and RJ-45 connectors? T568A T568B TIA/EIA 586 T568C
answer
T568A T568B
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What two terms describe the type of network cable that is used for connecting a computer to a switch or other network device? crossover cable power over Ethernet cable straight-through cable patch cable
answer
straight-through cable patch cable
question
In the T568B wiring scheme, what two color pairs are used for transmit and receive on a 100BaseT network? White/green, green White/brown, brown White/orange, orange White/blue, blue
answer
White/green, green White/orange, orange
question
What two commands are used to display TCP/IP configuration on Windows and Unix / Linux / Mac OS X operating systems, respectively? net show ipconfig show ip stat ifconfig
answer
ipconfig ifconfig
question
What two different types of coaxial cable have been used for cable TV? RJ-45 RG-6 RG-59 RG-PVC
answer
RG-6 RG-59