Free JK0-023 Exam Braindumps
CompTIA Network+ certification Questions 266–270 (page: 55)

Updated On: 10-Feb-2026

The network technician needs to install fiber cabling to connect two buildings less than 984 feet (300 meters) apart. Which of the following fiber types should be installed?

  1. Singlemode
  2. Multimode
  3. Crossover
  4. F-Connector

Answer(s): B



Which of the following improves wireless performance by allowing only one wireless transmission on the network at a time?

  1. CSMA/CA
  2. CSMA/CD
  3. Wireless encryption
  4. Wireless bonding

Answer(s): A



The unit responsible for the successful shaping and transmission of a digital signal is called:

  1. demarc.
  2. T1 hub.
  3. smart jack.
  4. CSU/DSU.

Answer(s): D



Which of the following technologies can change channel widths?

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

Answer(s): C



Which of the following is true of a client/server topology?

  1. Virtual servers are used to stream data to other remote servers
  2. Servers are used to connect to centralized clients
  3. Remote clients connect to a centralized server
  4. Remote clients connect to each other via a virtual server

Answer(s): C



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