Chapter 15: Supporting Network Hardware
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True/False: A WLAN covers a large geographical area and is made up of many smaller networks.
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False
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True/False: Phone cords are a type of twisted-pair cable and use an RJ-45 connector.
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False
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True/False: 10Base5 cabling runs at speeds up to 1 Gbps and distances to 500 meters.
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False
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True/False: A punchdown tool is used to wire twisted-pair cabling to a keystone jack.
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True
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True/False: Switches are slowly being replaced by hubs, which are newer technology.
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False
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What network type covers a large campus or city?
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MAN
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Which physical topology uses a centralized device to manage traffic on the network? mesh; ring; bus; star bus
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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
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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
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RJ-45 port
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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
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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
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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
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bridge
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What cable system utilizes a fiber-optic cable? 10GBaseT; 1000BaseFX; 10Base2; 10Base5
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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
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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
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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
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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
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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
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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 it easier to punchdown the cable; the twists reduce the amount of copper needed
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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 OSX? ipconfig -a; ifconfig -a; netsh show interfaces; ip list network
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ifconfig -a
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If you are experiencing issues reaching a target destination network, and you need to display each hop to the destination, what command should you use? ipconfig; ifconfig; tracert; nslookup
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tracert
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What command manages user accounts on the local system in Windows? net user; net localuser; useradd; netsh user
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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
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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
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it requires line of sight connectivity
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What DSL technology provides equal bandwidth in both directions? ADSL; VDSL; SDSL; HDSL
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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
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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
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straight-through cable; patch cable
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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
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White/green, green; White/orange, orange
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What two commands are used to display TCP/IP configuration on Windows and Unix/Linux/Mac OSX operating systems, respectively? net show; ipconfig; show ip stat; ifconfig
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ipconfig; ifconfig
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What two different types of coaxial cable have been used for cable TV? RG-45; RG-6; RG-59; RG-PVC
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RG-6; RG-59
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A networking technology that carries more than one type of signal
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broadband
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The average of the actual speed of a network
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throughput
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A device that helps to eliminate electromagnetic interference (EMI)
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ferrite clamp
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Delays in network transmission
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latency
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Operates at 100 Mbps and uses STP or UTP cabling, rated CAT-5 or higher
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Fast Ethernet
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Used to connect a computer to a switch or other network device
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patch cable
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Uses a covering or shield around wire pairs
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STP
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A device that keeps a table of MAC addresses to port mappings
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switch
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A device that amplifies and retransmits signal to a wider coverage area
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repeater
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Uses ordinary copper phone lines and a range of frequencies on the copper wire to provide internet
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DSL
