644-906 Implementing and Maintaining Cisco Technologies Using IOS XR – (IMTXR)

QUESTION 3
What is the maximum long-term normal operating temperature of the Cisco CRS-1, ASR 9000
Series Routers, and XR 12000 Series Routers?

A. 40C (104F)
B. 50C (122F)
C. 55C (131F)
D. 65C (149F)

Answer: A

Explanation:


QUESTION 4
The Cisco CRS 16-Slot Line Card Chassis Site Planning Guide suggests having 48 inches of
clearance behind the chassis. What would definitely happen to the system if there were only 28
inches of clearance behind the Cisco CRS 16-Slot Line Card Chassis?

A. The system would overheat due to inadequate airflow.
B. The fabric card could not be exchanged if one failed.
C. The modular services card (MSC) could not be exchanged if one failed.
D. The fan tray could not be exchanged if one failed.

Answer: D

Explanation:


QUESTION 5
How many planes are there in the Cisco CRS-3 switch fabric?

A. 1
B. 3
C. 7
D. 8

Answer: D

Explanation:


QUESTION 6
What is the cell size of the cells that traverse the switch fabric on the Cisco CRS-3?

A. 128 bytes
B. 136 bytes
C. 144 bytes
D. 200 bytes
E. 288 bytes

Answer: B

Explanation:


QUESTION 7
Where are client interfaces terminated on the Cisco CRS-3?

A. the modular services card
B. the physical layer interface module(s)
C. the switch fabric interface terminator
D. the Service Processor 40
E. the Service Processor 140

Answer: B

Explanation:


QUESTION 8
In order to determine the hardware and firmware revision of a linecard, what is the correct
command that should be invoked?

A. RP/0/RP0/CPU0:CRS-MC#show version
B. RP/0/RP0/CPU0:CRS-MC#show platform
C. RP/0/RP0/CPU0:CRS-MC(admin)#show platform
D. RP/0/RP0/CPU0:CRS-MC#show diagnostic summary
E. RP/0/RP0/CPU0:CRS-MC(admin)#show diag details

Answer: E

Explanation:


QUESTION 9
In which mode can you check the power usage of a chassis?

A. in EXEC mode
B. in admin mode
C. in both EXEC and admin mode
D. in ROMMON mode
E. in environmental mode

Answer: B

Explanation:

 

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