Term
Which of the following is a common characteristic of a networking medium (choose all that apply)?
a. bandwidth rating
b. interference susceptability
c. broadband rating
d. max segment length |
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Which of the following types of fiber-optic connectors provides high density and requires only one connector for two cables?
a. SC
b. ST
c. MT-RJ
d. RJ-45 |
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Definition
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Term
Which of the following conditions requires cables not to exceed a recommended maximum length?
a. diminution
b. capacitance
c. bandwidth
d. attenuation |
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Definition
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Term
Which of the following is the process for representing bit signals on the medium?
a. encryption
b. encoding
c. decryption
d. decoding |
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Definition
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Term
What happens to signals as they travel the ength of the medium?
a. they decode
b. they amplify
c. they attenuate
d. they implode |
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Definition
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Term
Which of the following is UTP susceptible to (choose all that apply)?
a. EMI
b. crosstalk
c. signal enhancement
d. LEDs |
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Term
The space between a false ceiling and the true ceiling where heating and cooling air circulates is called the
a. duct equivalent airspace
b. conduit
c.return air
d. plenum |
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Definition
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Term
What type of connector is used most commmonlu with TP network wiring?
a. RJ-11
b. RJ-45
c. BNC
d. MT-RJ |
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Definition
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Term
You have been hired to install a network at a lrge govt agency that wants to reduce the likelihookd of electronic eavesdropping - what type of cable should be used?
a. UTP
b. STP
c. Coaxial
d. fiber optic |
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Definition
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Term
Which of the following is a characteristic of unshielded twisted pair cable (choose all that apply)?
a. consists of four wires
b. commonly used in physical bus topologies
c. has a distance limitation of 100m
d. is susceptible to electrical interference |
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Definition
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Term
Which of the following is a characteristic of fiber-optic cabling?
a. can be used in electrically noisy environments
b. requires only a single strand of fiber for network connections
c. carries data over longer distances than UTP
d. has low bandwidth |
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Definition
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Term
You're preparing to install a conventional ethernet network in your new office building but your boss tells you to be ready to handle a switchover to 1Gbps ethernet next year. What types of cable could you install?
a. cat 5
b. fiber optic
c. cat 4
d. cat 6
e. coax |
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Definition
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Term
When two cables run side by side, signals traveling down one wire might interfere with signals travelling on the other wire - what is this called?
a. RFI
b. attenuation
c. impedance
d. cross talk |
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Definition
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Term
What characteristic of twisted pair cabling helps mitigate the effects of crosstalk?
a. differential signals
b. copper conductors
c. four pairs of wires
d. 100 ohm impedance |
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Definition
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Term
Which of the following is a wiring standard for twisted pair cable connections (choose all that apply)?
a. IEEE 802.3a
b. TIA/EIA 568A
c. IEEE 802.3b
d. TIA/EIA 568B |
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Definition
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Term
Which of the following is a cimponent of a structured cabling system?
a. patch cables
b. RJ-11 plugs
c. coax cables
d. horizontal wiring |
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Definition
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Term
Where are you most likely to find backbone cabling?
a. MDF
b. In the work area
c. Between IDFs
d. Connection a work area to an IDF |
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Definition
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Term
Which of the following is a tool needed to make a patch cable?
a. 110 punchdown tool
b. cable stripper
c. crimping tool
d. RJ-45 jack |
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Definition
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Term
Which type of connection is most likely to reuire a crossover cable?
a. PC to hub
b. hub to router
c. router to switch
d. pc to router |
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Definition
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Term
Which UTP limitations can be solved by fiber optic cable (choose all that apply)?
a. bandwidth
b. EMI susceptability
c. installation cost
d. segment length |
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Definition
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Term
How many strands of fiber optic cable are needed for a network connection |
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Definition
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Term
Which statement is true about fiber optic cables?
a. MMF uses lasers and has a thicker core
b. SMF used lasers and has a thinner core
c. MMF used LEDs and has a thinner core
d SMF used LEDs and has a thicker core |
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Definition
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Term
When might you want to use a rollover cable?
a. to connect a pc to another pc
b. to connect a router to a switch
c. to add a switch to a LAN
d. to configure a cisco device |
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Definition
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Term
Which of the following wireless technolofies does a 802.11 wireless network using the 2.4Ghz freq range use?
a. infrared
b. narrowband radio
c. freq hopping
d. direct sequence spread spectrum |
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Definition
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