CompTIA JK0-023 Online Practice Questions and Exam Preparation

CompTIA JK0-023 Online Questions & Answers

• Question 131:

  Which of the following would Kimf a technicianf use in voice over IP communicatons?

  A. SNTP
  B. SCP
  C. SMTP
  D. SIP
  D. SIP

• Question 132:

  Which of the following connectors is used for coaxial copper cable?

  A. BNC
  B. DB-9
  C. RJ-11
  D. ST
  A. BNC

• Question 133:

  Which of the following capabilites of a frewall allows Zachf an administratorf to block trafc based on key words determined by the company?

  A. Stateless trafc monitor
  B. Stateful trafc monitor
  C. Signature identfcaton
  D. Content flter
  D. Content flter

• Question 134:

  Which of the following problems is MOST likely to arise when confguring an IPv6 over IPv4 tunnel?

  A. Routng loop
  B. MTU black hole
  C. Framing errors
  D. SYN food
  B. MTU black hole

• Question 135:

  Which of the following is an authentcatonf authoriiatonf and accountng method that provides administratve access to network devices?

  A. PKI
  B. TACACS+
  C. CHAP
  D. SSH
  B. TACACS+

• Question 136:

  Users are reportng that some Internet websites are not accessible anymore. Which of the following will allow the network administrator to quickly isolate the remote router that is causing the network communicaton issuef so that the problem can be reported to the appropriate responsible party?

  A. Ping
  B. Protocol analyier
  C. Tracert
  D. Dig
  C. Tracert

• Question 137:

  A user is getng very weak signals while trying to connect to the wireless. Which of the following should the user do to help with signal strength?

  A. Call the wireless provider and ask for a T3 circuit.
  B. Move the wireless router to a beter locaton where line of sight is obtained.
  C. Reinstall the operatng system to the PC to ensure the newest patches are installed.
  D. Install a hub to ensure there is a clear path for the cables to run.
  B. Move the wireless router to a beter locaton where line of sight is obtained.

• Question 138:

  A technician is troubleshootng a host name being directed to the wrong system. The `arp n command line utlity is used to identfy and display which of the following?

  A. All TCP/IP connectons and listening ports
  B. Internet-to-adapter translaton tables
  C. Informaton to help diagnose DNS issues
  D. Actve sockets and connectons
  B. Internet-to-adapter translaton tables

• Question 139:

  Zachf a network technicianf is unable to remotely manage or ping certain layer 2 switches. To manage those devices remotelyf which of the following will MOST likely need to be confgured?

  A. IP address on the natve VLAN interface
  B. Port security
  C. Port forwarding
  D. IP address on the fber interface
  A. IP address on the natve VLAN interface

• Question 140:

  On which of the following layers of the OSI model does IP operate?

  A. Session
  B. Transport
  C. Network
  D. Data link
  C. Network