Free JK0-023 Exam Braindumps
CompTIA Network+ certification Questions 281–285 (page: 58)

Updated On: 10-Feb-2026

Which of the following has a DB-9 connector?

  1. SC
  2. RS-232
  3. LC
  4. RJ-45

Answer(s): B



Which of the following is similar to MIMO?

  1. WPA
  2. SSID
  3. PoE
  4. Diversity

Answer(s): D



Joe, a technician, is troubleshooting connectivity issues with a new data circuit. Joe verifies that the ST fiber jumper is good. Which of the following is the problem?

  1. TX/RX reversed
  2. Interference
  3. Cable length
  4. Bad connectors

Answer(s): A



Which of the following standards can operate at either 20MHz or 40MHz channel spacing?

  1. 802.11a
  2. 802.11b
  3. 802.11g
  4. 802.11n

Answer(s): D



Which of the following 802.3 classifications has a MAXIMUM segment distance of 984 feet (300 meters)?

  1. 1000Base
  2. 100BaseFX
  3. 1000BaseSX
  4. 1000BaseT

Answer(s): C



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