Chapter 15 Practice Quiz - IT Found.

9 September 2022
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question
What version of Ethernet utilizes a fiber-optic cable and has a transmission speed of 100 Mbps?
answer
100BaseFX
question
What type of network device keeps a table of the MAC addresses of the devices connected to it?
answer
switch
question
If you're looking to install Gigabit Ethernet, what cabling system would you use?
answer
Cat-6
question
What two terms describe the type of network cable that is used for connecting a computer to a switch or other network device?
answer
patch cable & straight-through cable
question
What two different types of coaxial cable have been used for cable TV?
answer
RG-6 & RG-59
question
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?
answer
bridge
question
Which physical topology uses a centralized device to manage traffic on the network?
answer
star bus
question
True or False: A WLAN covers a large geographical area and is made up of many smaller networks.
answer
False
question
What statement regarding crossover cables is accurate?
answer
it can be used to connect two PCs together
question
Which statement regarding 10-Gigabit Ethernet is accurate?
answer
it is a good choice for backbone networks
question
What two standards have been established for wiring twisted-pair cabling and RJ-45 connectors?
answer
T568A & T568B
question
What command will display a list of active and inactive network interfaces on Unix, Linux, and Mac OS X?
answer
ifconfig -a
question
True or False: Phone cords are a type of twisted-pair cable and use an RJ-45 connector.
answer
False
question
What does a 1000BaseT NIC use to connect to a network cable?
answer
RJ-45 port
question
True or False: A punchdown tool is used to wire twisted-pair cabling to a keystone jack.
answer
True
question
What cable system utilizes a fiber-optic cable?
answer
1000BaseFX
question
Under what circumstance might you use an Ethernet loopback plug?
answer
to test a network cable
question
In the T568B wiring scheme, what two color pairs are used for transmit and receive on a 100BaseT network?
answer
white/orange, orange & white/green, green
question
Why are there twists in the wires that are used for network cabling?
answer
the twists reduce crosstalk
question
In order to terminate multiple network cables that converge in one location such as an electrical closet or server room, what should you use?
answer
patch panel
question
What command manages user accounts on the local system in Windows?
answer
net user
question
What DSL technology provides equal bandwidth in both directions?
answer
SDSL
question
True or False: Switches are slowly being replaced by hubs, which are newer technology.
answer
False
question
Match each item with a statement below. 1)a networking technology that carries more than one type of signal 2)the average of the actual speed of a network 3)a device that helps to eliminate electromagnetic interference (EMI) 4)a device that helps to eliminate electromagnetic interference (EMI) 5)operates at 100 Mbps and uses STP or UTP cabling, rated CAT-5 or higher 6)used to connect a computer to a switch or other network device 7)uses a covering or shield around wire pairs 8)a device that keeps a table of MAC addresses to port mappings 9)a device that amplifies and retransmits signal to a wider coverage area 10)uses ordinary copper phone lines and a range of frequencies on the copper wire to provide Internet
answer
1)broadband 2)throughput 3)ferrite clamp 4)latency 5)fast Ethernet 6)patch cable 7)STP 8) switch 9) repeater 10) DSL
question
Which of the following is true about cable Internet?
answer
you share the cable infrastructure with your neighbors
question
True or False: 10Base5 cabling runs at speeds up to 1 Gbps and distances to 500 meters.
answer
False
question
What statement regarding satellite connections is accurate?
answer
It requires line of sight connectivity
question
What two commands are used to display TCP/IP configuration on Windows and Unix / Linux / Mac OS X operating systems, respectively?
answer
ipconfig & ifconfig
question
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?
answer
tracert
question
What network type covers a large campus or city?
answer
MAN
question
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?
answer
frame