CompTIA CompTIA Certifications JK0-023 Questions & Answers

• Question 1101:

  Which of the following layers of the OSI model maps to the Network Interface layer of the TCP stack? (Select TWO).

  A. Physical

  B. Session

  C. Data Link

  D. Network

  E. Transport

  Correct Answer: AC

• Question 1102:

  Which of the following ports is the default telnet port?

  A. 20

  B. 21

  C. 22

  D. 23

  Correct Answer: D

• Question 1103:

  A bridge handles frames at which of the following layers of the OSI model?

  A. Network

  B. Session

  C. Transport

  D. Data Link

  Correct Answer: D

• Question 1104:

  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:

  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 1105:

  Wireless network users recently began experiencing speed and performance issues afer access point 2 (AP2) was replaced due to faulty hardware. The original network was installed according to a consultantns specifcatons and has always

  worked without a problem.

  You a network technicianf have been tasked with evaluatng the situaton and resolving the issues to improve both performance and connectvity. Refer to the following diagram and perform any

  Necessary changes to the wireless and wired infrastructure by adjustng devices.

  NotE. Adjust the LEAST number of devices needed to fx the issue all blue icons in the image are clickable.

  

  

  

  Correct Answer:

  AP2 confguraton is not correct. The wireless mode should be 11n and channel should be 11n. For the wired interfacef the speed should be set to 100 and duplex to fulln. Click submitn.

• Question 1106:

  You have been tasked with testng a CAT5 cable. A summary of the test results can be found on the screen. Step 1: Select the tool that was used to create the cable test results.

  

  Step 2: Interpret the best results and select the optons that explains the results.

  Correct Answer:

  Cable certfer -incorrectly crimped cable.

• Question 1107:

  

  A customer's email server is not sending emails. Arrange the troubleshootng steps in the order the technician should perform them:

  Select and Place:

  

  Correct Answer:

  

• Question 1108:

  GigSwitch1 is currently confgured with a speed of 100 and Duplex is set to Auto on all interfaces.

  Interface 2 will be connected to GigSwitch2 which is used for all departments. Interface 1 will be used for HR trafc only.

  GigSwitch1 needs to be confgured with the following parameters:

  Confgure the necessary protocol to prevent switching loops

  Confgure GigSwitch1 with a /24 IP address for management

  Trafc across Interface 1 needs to be forced to accept and receive up to 100Mbps data at the same time

  Trafc across Interface 2 needs to be forced to use Gigabit speeds and maximum performance

  Drag and drop the appropriate confguratons to their corresponding requirements. All placeholders must be flled. Not all confguratons will be used.

  Select and Place:

  

  Correct Answer:

  

• Question 1109:

  Drag and drop the fber cable connecton types to the appropriate image.

  

  Select and Place:

  

  Correct Answer:

  

• Question 1110:

  Drag and drop the following maximum speeds to their corresponding wireless standards. Tokens can be used more than once.

  

  Select and Place:

  

  Correct Answer: