CompTIA JK0-023 Online Practice Questions and Exam Preparation

CompTIA JK0-023 Online Questions & Answers

• Question 1011:

  A company has one public IP addressf and only one device needs to be able to connect to the Internet at a tme. Which of the following is the BEST opton for connectvity?

  A. VLSM
  B. CIDR
  C. NAT
  D. PAT
  C. NAT

• Question 1012:

  A user calls the helpdesk to report not being able to access network resources over the companyns Wi-Fi connecton. During informaton gatheringf the user mentons that the wireless network their computer is signed into is not the same name as it had been previously. Which of the following is the underlying cause?

  A. SSID mismatch
  B. Incorrect WPA key
  C. Signal bounce
  D. Antenna placement
  A. SSID mismatch

• Question 1013:

  Zachf a network administratorf is responding to a support tcket. The tcket does not have enough informaton to determine the problem. Which of the following should Zach perform FIRST before responding to the tcket?

  A. Determine if anything has changed.
  B. Test a theory to determine a cause.
  C. Establish a plan of acton to resolve the problem.
  D. Escalate the problem if necessary.
  A. Determine if anything has changed.

• Question 1014:

  Jeff a network administratorf would like to ensure that the footprint of the companyns wireless coverage is limited to the ofce bordersf located on the premises. Which of the following features should he adjust on all of the companyns WAPs to make this change?

  A. SSID masking
  B. PPPoE
  C. Transmission power
  D. Encrypton technology
  C. Transmission power

• Question 1015:

  Jeff a network technicianf is concerned about the environmental efects of power consumpton and heat from network resources. Limited space is also a concern. Which of the following technologies should be implemented?

  A. Circuit switching
  B. Network address translaton
  C. Power over Ethernet
  D. Virtual servers
  D. Virtual servers

• Question 1016:

  Hubs are diferentated from switches in that between the twof only hubs have:

  A. A single collision domain.
  B. A single broadcast domain.
  C. Multple collision domains.
  D. Multple broadcast domains.
  A. A single collision domain.

• Question 1017:

  A network administrator is implementng a wireless honeypot to detect wireless breach atempts. The honeypot must implement weak encrypton to lure malicious users into easily breaking into the network. Which of the following should the network administrator implement on the WAP?

  A. WPA
  B. WPA2
  C. WEP
  D. VPN
  C. WEP

• Question 1018:

  A network technician wants to baseline trafc fows on a specifc network. Which of the following will provide the GREATEST level of detail?

  A. Network fow informaton
  B. SNMP traps
  C. Debug level syslog
  D. Protocol analyier
  D. Protocol analyier

• Question 1019:

  Jeff a customerf wants to have wireless network access only in the conference room. He has placed a WAP in the roomf but notces that ofces across the hall also receive a wireless signal. Which of the following could be done together to solve this problem? (Select TWO).

  A. Turn down the signal gain.
  B. Increase the encrypton method.
  C. Change the wireless channel.
  D. Replace the WAPns antennas with directonal antennas.
  E. Disable the SSID.
  A. Turn down the signal gain.
  D. Replace the WAPns antennas with directonal antennas.

• Question 1020:

  Which of the following is the reason why a companyns network may contain a DHCP server?

  A. To assign IP addresses to devices on the network
  B. To convert IP addresses to fully qualifed domain names
  C. To provide POP3 and IMAP email functonality
  D. To allow secure remote access
  A. To assign IP addresses to devices on the network