CompTIA JK0-023 Online Practice Questions and Exam Preparation

CompTIA JK0-023 Online Questions & Answers

• Question 871:

  Joef a network administratorf needs to forward HTTP trafc from a SOHO frewall public IP to the internal web serverns private IP. Which of the following can Joe implement?

  A. DNS
  B. NAT
  C. PKI
  D. RAS
  B. NAT

• Question 872:

  Which of the following would be used in a frewall to block incoming TCP packets that are not from established connectons?

  A. Access control lists
  B. Port address translaton
  C. Blocking unauthoriied ports
  D. Stateful inspecton
  D. Stateful inspecton

• Question 873:

  Which of the following network topologies would be separated into two networks if a client in the middle is removed or the cable is cut?

  A. Mesh B. Ring
  C. Bus
  D. Star
  C. Bus

• Question 874:

  Which of the following is the MAXIMUM data transmission rate of 802.11a?

  A. 8Mbps
  B. 11Mbps
  C. 54Mbps
  D. 107Mbps
  C. 54Mbps

• Question 875:

  Kim and Zachf atackersf use which of the following network scanners to see the protocols that are being used? (Select TWO).

  A. IDS
  B. Packet snifer
  C. Port scanners
  D. Malware scanner
  E. Ping sweep
  B. Packet snifer
  C. Port scanners

• Question 876:

  An administrator has added QoS setngs to the LAN switches prioritiing RTP. Which of the following systems is the Administrator MOST concerned with in this scenario?

  A. Phone communicatons
  B. Web site downloads
  C. Streaming video clients
  D. Client bitorrent abilites
  A. Phone communicatons

• Question 877:

  Which of the following default ports are used with DHCP? (Select TWO).

  A. 22
  B. 23
  C. 53
  D. 67
  E. 68
  D. 67
  E. 68

• Question 878:

  Two WAPs are positoned with overlapping coveragef but seamless roaming across them is not working. Which of the following should be checked?

  A. WPA should be enabled
  B. PKI should be turned of
  C. WAP SSIDs are matching
  D. WAPs are transmitng on same channel
  C. WAP SSIDs are matching

• Question 879:

  Workstatons are unable to access the internet afer a recent power outage. Confgure the appropriate devices to ensure All workstatons have internet connectvity.

  Correct Answer. Check the answer below
  Check the answer below

  ---

  The switches are not connected properly. Connect Switch 1 to switch three on the last port and then connect the last port of the switch 3 to the frst port of switch 2. In this way the switches will be connected properly. Click Enable All to enable the switches

  

• Question 880:

  A technician needs to restrict access to a SOHO wireless network to specifc devices. Which of the following would MOST likely be used with minimal client confguraton?

  A. Port fltering
  B. WEP
  C. MAC address fltering
  D. PoE
  C. MAC address fltering