CompTIA JK0-023 Online Practice Questions and Exam Preparation

CompTIA JK0-023 Online Questions & Answers

• Question 911:

  A DSL modem connects to the providerns network using which of the following authentcaton techniques?

  A. PoE
  B. MS-CHAP
  C. PPPoE
  D. EAP
  C. PPPoE

• Question 912:

  The sofware in a virtualiied environment that controls resource allocaton and allows multple operatng system guests to run on the same physical platorm is known as the:

  A. hypervisor.
  B. LPAR.
  C. broker.
  D. VDI.
  A. hypervisor.

• Question 913:

  Multple serversn IP addresses fall within the DHCP scope assigned by the administrator. Which of the following should be implemented to ensure these statc IP addresses are not assigned to workstatons?

  A. The administrator should create exclusions for the workstatons IP addresses.
  B. The administrator should change the servers to utliie DHCP to obtain IP addresses.
  C. The administrator should change the workstatons to utliie statc IP addresses.
  D. The administrator should create exclusions for the servers IP addresses.
  D. The administrator should create exclusions for the servers IP addresses.

• Question 914:

  Which of the following types of technologies should be used to provide a MAXIMUM 10 GB speed to a mult-mode fber network?

  A. 10GBaseER
  B. 10GBaseSR
  C. 10GBaseTX
  D. 10GBaseT
  B. 10GBaseSR

• Question 915:

  At which of the following layers of the OSI model does an unmanaged switch operate?

  A. Layer 1
  B. Layer 2
  C. Layer 3
  D. Layer 4
  B. Layer 2

• Question 916:

  Which of the following limits the number of devices that can be assigned IP addresses by DHCP?

  A. Lease
  B. Reservaton
  C. DNS setng
  D. Scope
  D. Scope

• Question 917:

  A user is trying to connect to the wireless network in the ofce but is unable to establish a consistent connecton. The computer alternates connectng between several similarly confgured access points. Which of the following would be the BEST way to address this issues?

  A. Adjust the signal strength of the access points with minimal coverage overlap.
  B. Increase the pool in each of the access points to avoid running out of IPs.
  C. Confgure each access point to use a diferent method of encrypton than the others.
  D. Reconfgure each of the access points so that they broadcast diferent SSIDs.
  A. Adjust the signal strength of the access points with minimal coverage overlap.

• Question 918:

  A network technician has determined a managed network switch has failed. The technician knows how to install a new switchf but not how to properly confgure it. Which of the following troubleshootng steps should the technician take NEXT?

  A. Escalate the problem
  B. Identfy potental efects
  C. Test the theory to determine cause
  D. Establish a plan of acton to resolve the problem
  A. Escalate the problem

• Question 919:

  A network technician is designing a SOHO environment where cost is a consideraton. The requirements include access to the Internet and access to the guest house which is 100 feet away. The locaton of the Internet modem is located in the main house. Which of the following is the BEST opton to accomplish these requirements?

  A. Use two combined Internet/router/wireless devicesf one in each house.
  B. Use a Layer 3 switch in the main house and a combined Internet/router/wireless device in the guest house.
  C. Use a combined Internet/router/wireless device in the main house and a wireless access point in the guest house.
  D. Use a single combined Internet/router/wireless device at the guest house.
  C. Use a combined Internet/router/wireless device in the main house and a wireless access point in the guest house.

• Question 920:

  Which of the following is a social engineering atack?

  A. Worms
  B. Man-in-the-middle
  C. Phishing
  D. Evil twin
  C. Phishing