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2018 Aug CompTIA Official New Released JK0-023
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CompTIA Network certification
Question No: 291 – (Topic 3)
Which of the following connectors are MOST commonly used on a POTS line?
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RJ-45
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MTRJ
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DB-9
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RJ-11
Answer: D
Question No: 292 – (Topic 3)
Which of the following is the MAXIMUM rated speed for CAT5 cabling?
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10Mbps
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100Mbps
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1000Mbps
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10Gbps
Answer: B
Question No: 293 – (Topic 3)
When examining a suspected faulty copper network cable, Kim, the administrator, notices that some of the pairs are untwisted too much. This is MOST likely causing which of the following?
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DB loss
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Dispersion
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Collisions
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Cross-talk
Answer: D
Question No: 294 – (Topic 3)
A large corporate office is looking to place smaller network closets around campus to handle switching for remote workstations. To which of the following is this referring?
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MDF
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VPN
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RDP
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IDF
Answer: D
Question No: 295 – (Topic 3)
Kim, a technician, is connecting a new desktop computer to a switch. She was only able to locate one cable in the office for the installation. The wires at each end are color coded as follows:
End A: orange-white, orange, green-white, blue, blue-white, green, brown-white, brown End B: green-white, green, orange-white, blue, blue-white, orange, brown-white, brown Which of the following should Kim do to complete the installation?
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Re-end the provided cable, keeping the wiring the same.
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Use the provided cable.
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Purchase a crossover cable.
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Purchase a straight-through cable.
Answer: D
Question No: 296 – (Topic 3)
A small office needs to connect one new system to their network in a distant office, but does not have the resources to install a new Ethernet wall jack, and does not want to use wireless. Which of the following is a simple, cost effective option for providing connectivity?
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SONET
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Multimode fiber
C. 802.11n
D. Broadband over Power Line
Answer: D
Question No: 297 – (Topic 3)
1000BaseT has a MAXIMUM run distance of:
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25 meters (82 feet).
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100 meters (328 feet).
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500 meters (1640 feet).
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1000 meters (3280 feet).
Answer: B
Question No: 298 – (Topic 3)
CAT6 has how many twisted copper pairs?
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2
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4
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6
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8
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16
Answer: B
Question No: 299 – (Topic 3)
Which of the following uses a ring topology?
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DSL
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Ethernet
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DOCSIS
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SONET
Answer: D
Question No: 300 – (Topic 3)
Which of the following is the difference between 802.11b and 802.11g?
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Distance
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Frequency
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Speed
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Transmission power
Answer: C
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