CompTIA JK0-023 Online Practice Questions and Exam Preparation

CompTIA JK0-023 Online Questions & Answers

• Question 241:

  Which of the following tools would BEST be used to verify if a network cable is properly terminated?

  A. Multmeter
  B. Cable certfer
  C. Toner probe
  D. Cable stripper
  B. Cable certfer

• Question 242:

  The technician is working on a DNS problem. Which of the following sofware tool is the technician MOST likely to use to troubleshoot this issue?

  A. nslookup
  B. ipconfg
  C. ping
  D. nbtstat
  A. nslookup

• Question 243:

  Lisaf a technicianf has confgured a new switch that is remotely accessed using SSH. The switch is working properly but cannot be accessed remotely. Which of the following items is MOST likely missing in the confguraton?

  A. Port speed
  B. Cryptokey
  C. Data VLAN
  D. NAT/PAT
  B. Cryptokey

• Question 244:

  Afer the technician has established a theory of probable cause of a user reported problemf which of the following should the technician do NEXT in the troubleshootng process?

  A. Implement the soluton to the problem.
  B. Establish a plan of acton.
  C. Identfy the problem.
  D. Implement preventatve measures.
  B. Establish a plan of acton.

• Question 245:

  Which of the following describes a single computer that is setup specifcally to lure hackers into revealing their methodsf and preventng real atacks on the producton network?

  A. Evil twin
  B. Honeypot
  C. DMZ
  D. Honeynet
  B. Honeypot

• Question 246:

  STP prevents which of the following problems?

  A. Collision domains
  B. Switching loops
  C. Broadcast storms
  D. Routng loops
  B. Switching loops

• Question 247:

  169.254.0.100 is an IP address which would MOST likely come from which of the following?

  A. CIDR
  B. DHCP
  C. APIPA
  D. DNS
  C. APIPA

• Question 248:

  Lisaf an administratorf believes that the network has been atacked and there is no known defniton or preventon method to help avoid this atack. Which of the following BEST describes this scenario?

  A. Zero day atack
  B. DDoS
  C. DoS
  D. SQL injecton
  A. Zero day atack

• Question 249:

  Which of the following protocols is used for remote management of devices?

  A. SNMP
  B. TFTP
  C. Syslog
  D. SMTP
  A. SNMP

• Question 250:

  CAT6 has how many twisted copper pairs?

  A. 2
  B. 4
  C. 6
  D. 8
  E. 16
  B. 4