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644-906 by Cisco - Page 1 | ExamCademy

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Page 1 of 3 • Questions 1-25 of 73

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

A 1
B 3
C 7
D 8

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

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

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

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

Refer to the exhibit.

Question Image

If you have ROMMONs and FPDs with the Upg/Dng field marked "Yes" and you ran the upgrade hw-module fpd all location all command, what did you upgrade?

A upgraded only the FPD for the cards that the Upg/Dng field marked "Yes"
B upgraded all of the FPDs on all cards with an FPD regardless of the Upg/Dng field markings
C upgraded only the FPD and ROMMON for the cards that the Upg/Dng field marked "Yes"
D upgraded all of the FPDs and ROMMONs on all cards with an FPD or ROMMON regardless of the Upg/Dng field markings

Which two of the following are correct commands to activate the PIE file <hfr-mgbl-p.pie-4.0.1>? (Choose two.)

A install add tftp://172.20.165.36/hfr-mgbl-p.pie-4.0.1 activate
B install activate tftp://172.20.165.36/hfr-mgbl-p.pie-4.0.1
C install add disk0:hfr-mgbl-p-4.0.1 activate
D install activate disk0:hfr-mgbl-p.pie-4.0.1

Which command will correctly deactivate asr9k-mpls-p-4.1.0?

A RP/0/RSP0/CPU0:P1 (admin)#install remove disk0:asr9k-mpls-p-4.1.0
B RP/0/RSP0/CPU0:P1 (config)#install deactivate smu location disk0:
C RP/0/RSP0/CPU0:P1 (admin-config)#deactivate disk0:asr9k-mpls-p-4.1.0
D RP/0/RSP0/CPU0:P1 (admin)#install deactivate disk0:asr9k-mpls-p-4.1.0
E RP/0/RSP0/CPU0:P1 #asr9k-mpls-p-4.1.0 disk0:deactivate sync

Which answer best summarizes the difference between p and px images, hfr-mini-p.vm-4.1.1 and hfr-mini-px.vm-4.1.1, respectively?

A P images can only support legacy hardware, while px images can only support new CRS-3 hardware.
B P images can use an SMU to operate as x86 images.
C P images can only support Power PC hardware, while px images can support both Power PC and Intel hardware in the same chassis.
D P and px images can both be installed on the same ROMMON version.
E P and px images are roughly the same because they are built to operate on the same system.

Which Cisco IOS XR command sequence will load a specific configuration?

A (config)#load disk0:name.cfg
B #copy disk0:name.cfg running-configuration
C #copy tftp://255.255.255.255/name.cfg
D #load commit changes <name>
E (config)#load commit <name>

Which of the following functions can be configured in the Administration Config mode? (Choose two)

A BGP routing
B MPLS Traffic Engineering
C SDR hostname
D Secure Shell login
E nonowner SDR

Which two of the following statements regarding task-based authorization are true? (Choose two.)

A The user group concept in Cisco IOS XR Software relates to a group of users with common characteristics.
B All of the user groups are precreated by default.
C In addition to the predefined task groups, Cisco IOS XR Software provides the ability to custom create task groups consisting of individual tasks.
D User groups and task groups cannot inherit from other user groups and task groups.

A network administrator needs to configure a default IPv4 route for a Cisco CRS-1 router. Which Cisco IOS XR command will accomplish this task?

A RP/0/RSP0/CPU0:R15(config-static)#ip route 0.0.0.0 0.0.0.0 10.52.204.161
B RP/0/RSP0/CPU0:R15(config-static-afi)#0.0.0.0/0 10.52.204.161
C RP/0/RSP0/CPU0:R15(config)#router static 0.0.0.0/32 10.52.204.161
D RP/0/RSP0/CPU0:R15#ip default-network 0.0.0.0 10.52.204.161 255.255.255.255
E it is not possible to configure static routes in Cisco IOS XR Software

What is the main function of LPTS?

A filter routing updates
B maintain the Internal Forwarding Information Base (IFIB)
C classify transit packets
D guarantee reliable transport service for network management requests

Where is the LPTS policer applied?

A egress line-card egress queue
B egress line-card CPU
C route processor CPU
D distributed RP CPU
E ingress line card