Cisco 642-279 Actual Free Exam Questions & Community Discussion

Exam Code/Number: 642-279
Exam Name/Title: Installing TelePresence Video Immersive Systems Exam
Certification Provider: Cisco
Corresponding Certification: Cisco Specialist

Exam Questions: 41
Updated On: Aug 24, 2026

Question #1

After you successfully change the IP address details of a Codec C90, you find that it is not possible to access the codec using SSH or HTTPS. However, it does respond to pings on the new address. What is the most likely reason for this?

A. The codec needs to reboot after the IP address change to bind all of the services to the new address.

B. The configuration failed and there is another device with the same address that responds to the ping.

C. The codec has not been upgraded to a newer release of the software.

D. The codec disabled the Telnet and HTTP services after the IP address change.

Discussion 0

Correct Answer: A Vote an answer

Question #2

For the Cisco TelePresence Server, what is the bandwidth requirement for each connected T3 site?

A. 14 Mb/s

B. 12 Mb/s

C. 10 Mb/s

D. 16 Mb/s

Discussion 0

Correct Answer: B Vote an answer

Explanation: Only visible for EduDump members. You can sign-up / login (it's free).

Question #3

Which two steps would you follow to initially set the system settings? (Choose two.)

A. Log in as the administrator.

B. Log in to the device configuration portal.

C. Log in as the operator.

D. Use the installation wizard.

E. Log in to the Cisco Telepresence Content Server.

Discussion 0

Correct Answer: A,D Vote an answer

Explanation: Only visible for EduDump members. You can sign-up / login (it's free).

Question #4

When you are troubleshooting the initial operation of the Cisco Telepresence TCU, what is a proper troubleshooting step to take when there is no TCU GUI on the collaboration screen?

A. Note that there should not be a delay before the TCU GUI shows on the collaboration screens.

B. If a black screen with a cursor appears, immediately reboot the TCU.

C. Ensure that the HDMI splitter in the table leg has been powered on before you start the TCU.

D. Connect the TCU directly to one of the collaboration screens to verify that the video is being sent.

Discussion 0

Correct Answer: C Vote an answer

Question #5

What would you normally check first if none of the three collaboration screens has an image?

A. Make sure that each collaboration screen has a USB cable connected to the TCU.

B. Check that the dip switches for each table button are set.

C. Check that the system power-on sequence was observed; the TCU should be powered-on first.

D. Check the HDMI splitter in the right table leg for power, correct cabling, and proper operation.

Discussion 0

Correct Answer: D Vote an answer

Download Free Cisco 642-279 Demo

Simply submit your e-mail address below to get started with our free demo of your Cisco 642-279 exam.