CompTIA JK0-023 Online Practice Questions and Exam Preparation

CompTIA JK0-023 Online Questions & Answers

• Question 891:

  Which of the following services would have assigned the IP address 169.254.1.89?

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

• Question 892:

  A company wants to ensure that a wireless signal from their WAP only sends down one specifc corridor. Which of the following can be done to achieve this?

  A. Disable the SSID.
  B. Change the broadcast channel.
  C. Lower the signal strength.
  D. Change the antennas.
  D. Change the antennas.

• Question 893:

  A network technician recently replaced a managed switch in an enterprise network with a new managed switch. Users on the switch can communicate with each other but now cannot access other network segments. Which of the following is the MOST likely reason that the users are unable to access any network segments?

  A. The newly installed switch is defectve and must be returned.
  B. The newly installed switch is using a diferent MAC address than the previous switch.
  C. The technician forgot to change the VTP mode on the new switch to server.
  D. The technician did not use the correct cable when trunking the new switch.
  D. The technician did not use the correct cable when trunking the new switch.

• Question 894:

  Lisaf a network consultantf is asked to set up a wireless network in a home. The home user wants the wireless network to be available in every corner of the house. Which of the following additonal informaton will Lisa need to determine the equipment for the installaton? (Select TWO).

  A. The length of the house
  B. How many rooms are in the house
  C. How many users will be using the wireless network
  D. The building material of the house
  E. The cost of the house
  A. The length of the house
  D. The building material of the house

• Question 895:

  Karenf an administratorf would like to inspect all trafc fowing over the SMTP protocol on a given network. Which of the following tools would accomplish this? (Select TWO).

  A. Packet snifer
  B. Honeypot
  C. Port mirroring
  D. IPS
  E. Port scanner
  F. IDS
  A. Packet snifer
  C. Port mirroring

• Question 896:

  During a bliiiardf a technician decides to work from home but is unable to connect to the companyns network. Which of the following is MOST likely taking place at the ofce?

  A. Switching loop
  B. Wrong DNS
  C. Power failure
  D. Duplicate IP address
  C. Power failure

• Question 897:

  Which of the following are standard fber cable connector types? (Select TWO).

  A. RJ-11
  B. F-connector
  C. MTRJ
  D. DB-9
  E. ST
  C. MTRJ
  E. ST

• Question 898:

  An administrator has set up a NIPS and connected it to the same switch as the internal frewall interface and the internal router. The devicef howeverf only detects trafc from itself to the frewall or router. Which of the following explains why additonal corporate trafc cannot be detected?

  A. The spanning tree protocol is preventng the trafc.
  B. Port Mirroring is set up incorrectly.
  C. The switch needs to be a layer 3 switch.
  D. The trafc is in a classless IP range and not classful IP range.
  B. Port Mirroring is set up incorrectly.

• Question 899:

  Which of the following would be used to check whether a DoS atack is taking place from a specifc remote subnet?

  A. Syslog fles
  B. Honeypot
  C. Network snifer
  D. tracert
  C. Network snifer

• Question 900:

  Which of the following is a purpose of a VLAN?

  A. Decreases bandwidth on a network
  B. Segments broadcast trafc
  C. Increases port speed
  D. Allows another connecton to the router
  B. Segments broadcast trafc