CompTIA CompTIA Certifications JK0-023 Questions & Answers

• Question 831:

  Karenf a userf on a wireless network reports an issue with network access while using a cordless phone. Which of the following is the MOST likely cause?

  A. Encrypton type

  B. Channel selecton

  C. Antenna placement

  D. Signal strength

  Correct Answer: B

• Question 832:

  Joef a userf reports that his PC is the only one that does not have network connectvity. All the wiring has been tested properly and the problem stll exists. Joe is getng an APIPA address. Which of the following is the MOST likely cause?

  A. Crossover cable is being used

  B. Switch was powered of

  C. PoE is disabled on the port

  D. Port on the switch is disabled

  Correct Answer: D

• Question 833:

  Which of the following is needed to allow DHCP to route to a diferent network separated by a Layer 3 device?

  A. DNS sufxes

  B. DHCP relay agent

  C. Statc IP addressing

  D. Scope confguraton

  Correct Answer: B

• Question 834:

  All users on a specifc network segment report losing access to the wired network. During troubleshootngf the network administrator observes link lights on the workstatons. When physically reviewing each switchf the network administrator changes the switch view setngs to Actvity and sees that all port lights remain solid green. Which of the following is MOST likely causing this issue?

  A. STP convergence

  B. Power failure

  C. Excessive bandwidth usage

  D. Broadcast storm

  Correct Answer: D

• Question 835:

  If a technician does not assign an IP address to a devicef the DHCP server will assign the device a:

  A. Statc IP address

  B. Reservaton

  C. Dynamic IP address

  D. MAC address

  Correct Answer: C

• Question 836:

  A small business owner is setng up a SOHO ofce. The business owner needs one device that will allow for Internet accessf trunk VLANsf translate multple private IP addresses into public IP addressesf and flter packets. Which of the following network devices will allow for all functons?

  A. A VPN concentrator

  B. A switch

  C. A router

  D. A proxy server

  Correct Answer: C

• Question 837:

  A company has one public IP addressf and only one device needs to be able to connect to the Internet at a tme. Which of the following is the BEST opton for connectvity?

  A. VLSM

  B. CIDR

  C. NAT

  D. PAT

  Correct Answer: C

• Question 838:

  A technician needs to install network device in a SOHO network. The ofce requires 9 wired workstatons to share and print dat

  A. Which of the following can the technician use?

  B. A 12 port unmanaged switch.

  C. A wired router with an 8 port switch and a WAN port.

  D. A wireless router with an 8 port switchf and a WAN port.

  E. A 8 port frewall with one console port.

  Correct Answer: A

• Question 839:

  A technician can increase the bandwidth of an 802.11n cell by:

  A. Doubling the channel width.

  B. Enabling diversity.

  C. Disabling MIMO.

  D. Adding a second access point.

  Correct Answer: A

• Question 840:

  A user informs the network administrator of increasingly common wireless connecton problems. The administrator determines the user has recently received a new cordless phone. The phone is MOST likely causing which of the following conditons?

  A. Signal strength latency

  B. Bouncing signal

  C. Interference

  D. Crosstalk

  Correct Answer: C