CompTIA JK0-023 Online Practice Questions and Exam Preparation

CompTIA JK0-023 Online Questions & Answers

• Question 191:

  Which of the following standards can operate at 40MHi channel spacing?

  A. 802.11a
  B. 802.11b
  C. 802.11g
  D. 802.11n
  D. 802.11n

• Question 192:

  A technician is setng up a frewall on the network that would show a public IP address out to the Internet and assign private IP addresses to users inside the network. Which of the following processes should be set up?

  A. Port security
  B. MAC fltering
  C. ACL
  D. NAT
  D. NAT

• Question 193:

  Which of the following would be used to test out the security of a specifc network by allowing it to receive security atacks?

  A. Honeynet
  B. Honeypot
  C. Vulnerability scanner
  D. Network based IDS
  A. Honeynet

• Question 194:

  An applicaton is using port 2000 on a PC. Which of the following could an administrator do to determine what sofware is listening on that port?

  A. Run netstat
  B. Run dig
  C. Run nbtstat
  D. Run tracert
  A. Run netstat

• Question 195:

  Which of the following has a DB-9 connector?

  A. SC
  B. RS-232
  C. LC
  D. RJ-45
  B. RS-232

• Question 196:

  Lisaf a network technicianf has determined that the inital theory of probable cause was incorrect. Which of the following would be the NEXT step in the troubleshootng process?

  A. Implement the soluton
  B. Establish a plan
  C. Document fndings
  D. Escalate the issue
  D. Escalate the issue

• Question 197:

  Which of the following commands will display the associated IP address of a network adapter in Windows and Linux environments? (Select TWO).

  A. dig
  B. nslookup
  C. nbstat
  D. ifconfg
  E. ipconfg
  D. ifconfg
  E. ipconfg

• Question 198:

  Lisaf a technicianf is reportng wireless transmission speeds of 300Mbps. Which of the following wireless standards is being used?

  A. 802.11a
  B. 802.11b
  C. 802.11g
  D. 802.11n
  D. 802.11n

• Question 199:

  Which of the following allows a malicious atacker to view network trafc if the atacker is on the same network segment as Joef an administrator?

  A. DoS atack
  B. Man-in-the-middle atack
  C. Smurf atack
  D. Xmas atack
  B. Man-in-the-middle atack

• Question 200:

  A userns laptop is unable to keep a stable network connecton. Which of the following measures would MOST likely need to be confgured?

  A. SSID name
  B. WAP encrypton strength
  C. WAP radio power
  D. Channel overlay
  C. WAP radio power