Free JK0-023 Exam Braindumps
CompTIA Network+ certification Questions 261–265 (page: 54)

Updated On: 10-Feb-2026

Which of the following WAN technologies uses four wires for digital and a 66 block?

  1. Cable
  2. ATM
  3. T3
  4. POTS

Answer(s): D



Which of the following cables supports 10Gbps throughput and 100 meters as the maximum distance?

  1. T1 crossover
  2. Singlemode fiber
  3. CAT6a
  4. Coaxial

Answer(s): C



Which of the following wireless standards operates on the same frequency as 802.11a?

  1. Compatible with 802.11b wireless networks
  2. Compatible with 802.11g wireless networks
  3. Compatible with 802.11i wireless networks
  4. Compatible with 802.11n wireless networks

Answer(s): D



Which of the following is an example of a CSMA/CD medium?

  1. WEP
  2. SONET
  3. Token ring
  4. Ethernet

Answer(s): D



A technician has been called about intermittent connectivity near IDF 2. Multiple cables were recently pulled through a common conduit. Which of the following is MOST likely the cause of the problem?

  1. Crosstalk
  2. Bad connectors
  3. Wrong DNS
  4. Duplicate IP address

Answer(s): A



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