Implementing and Maintaining Cisco Technologies Using IOS XR (IMTXR)

Here you have the best Cisco 644-906 practice exam questions

  • You have 73 total questions to study from
  • Each page has 5 questions, making a total of 15 pages
  • You can navigate through the pages using the buttons at the bottom
  • This questions were last updated on October 17, 2025
  • This site is not affiliated with or endorsed by Cisco.
Question 1 of 73
How many planes are there in the Cisco CRS-3 switch fabric?
    Correct Answer: D

Question 2 of 73
What is the cell size of the cells that traverse the switch fabric on the Cisco CRS-3?
    Correct Answer: B

Question 3 of 73
Where are client interfaces terminated on the Cisco CRS-3?
    Correct Answer: B

Question 4 of 73
In order to determine the hardware and firmware revision of a linecard, what is the correct command that should be invoked?
    Correct Answer: E

Question 5 of 73
In which mode can you check the power usage of a chassis?
    Correct Answer: B