CompTIA CompTIA Certifications JK0-023 Questions & Answers

• Question 41:

  When Jeff a technicianf is troubleshootng a problemf which of the following is the NEXT step afer verifying full system functonality?

  A. Establish a plan of acton to resolve the problem and identfy potental efects.

  B. Implement the soluton.

  C. Establish a theory of probable cause.

  D. Document fndingsf actonsf and outcomes.

  Correct Answer: D

• Question 42:

  Which of the following technologies could be implemented to improve call clarity when using VoIP technology?

  A. Statc IP addressing

  B. Caching engines

  C. QoS

  D. Port forwarding

  Correct Answer: C

• Question 43:

  A network administrator is adding 24 - 802.3af class 2 VoIP phones and needs to purchase a single PoE switch to power the phones. Which of the following is the MINIMUM PoE dedicated watage the switch supports to power all of the phones at full power?

  A. 96W

  B. 168W

  C. 240W

  D. 369.6W

  Correct Answer: B

• Question 44:

  Which of the following cable types supports the FURTHEST distance when connectng various MDFs?

  A. Multmode

  B. UTP

  C. Singlemode

  D. CAT6

  Correct Answer: C

• Question 45:

  Users have been statng that they need to logon to too many applicatons and web apps with diferent credentals that use diferent rule sets. Which of the following would BEST address these concerns?

  A. Alter the domain account login policies to refect the most common applicaton rule sets.

  B. Ensure that the user accounts are properly confgured in domain services.

  C. Implement a sofware soluton that facilitates single sign-on authentcaton.

  D. Increase the tme between mandatory password changes by a factor of three.

  Correct Answer: C

• Question 46:

  Joef a remote userf has called the helpdesk with an issue on his machine. The technician would like to remote into the machine for troubleshootng but does not know the IP address or host name. Which of the following commands can the technician ask Joe to execute to gain this informaton?

  A. netstat

  B. ipconfg

  C. ping

  D. traceroute

  Correct Answer: B

• Question 47:

  Which of the following connector types are used in terminatng singlemode fber cables? (Select TWO).

  A. LC

  B. F-connector

  C. DB-9

  D. BNC

  E. RJ-11

  F. SC

  Correct Answer: AF

• Question 48:

  A Linux-based workstaton is unable to connect to an IP printer on the same network segment. The printer IP address setngs have been verifed. How would a network technician verify IP address setngs on the Linux-based workstaton?

  A. Run the dig command on the workstaton.

  B. Run the nslookup command on the workstaton.

  C. Run the ipconfg command on the workstaton.

  D. Run the ifconfg command on the workstaton.

  Correct Answer: D

• Question 49:

  Which of the following WAN technologies uses an analog phone line to transmit data?

  A. LTE

  B. DSL

  C. Satellite

  D. Cable

  Correct Answer: B

• Question 50:

  The network administrator installed a new dipole antenna that extends 100 feet (30.48 meters) from the existng AP. All components are correctf functonalf and installed properly. Howeverf during validatonf there is a very weak signal coming from the antenn

  A. Which of the following is the MOST likely cause of the issue?

  B. The installaton exceeds the link limitatons

  C. The antenna is mounted for vertcal polariiaton

  D. The dBi output of the antenna is too low

  E. The radio is too powerful for the installaton

  Correct Answer: A