Free Cisco 644-906 Exam Dumps Questions & Answers


Exam Code/Number:	644-906Join the discussion
Exam Name:	Implementing and Maintaining Cisco Technologies Using IOS XR
Certification:	Cisco
Free Question Number:	77
Publish Date:	Jul 18, 2026
# of views:	3184
Rating 100%

Page: 1 / 16
Total 77 questions

Question 1

Which Cisco IOS XR only command will show the status of IPv4 interfaces that have been configured under the OSPF process?

A.show ospfv3 interface
B.show ospf interface
C.show ipv4 ospf interface
D.show ip ospf interface
E.show ospf interface all
F.show ospf address-family

Question 2

What are the two prerequisites for enabling multicast-only fast reroute (MoFRR) in a network? (Choose two.)

A.PIM-SSM needs to be configured.
B.There must be a valid reverse path back to the multicast source.
C.IP multicast traffic must use the group address 232.0.0.0/8.
D.There must be an Equal-Cost Multipath (ECMP) topology.

Question 3

Which three configuration steps are mandatory in order to enable NetFlow sampling on Cisco IOS XR Software? (Choose three.)

A.flow exporter-map
B.sampler-map
C.importer-map
D.flow monitor-map
E.interface netflow configuration

Question 4

Which Cisco IOS XR command would you use to view the actual traffic statistics of packets that are exiting the router in the different configured QoS queues on TenGigE 0/0/0/0 in Cisco IOS XR Software?

A.show interface TenGigE 0/0/0/0 qos
B.show interface TenGigE 0/0/0/0 policy-map output
C.show policy-map interface TenGigE 0/0/0/0
D.show qos interface TenGigE 0/0/0/0 output
E.monitor interface TenGigE 0/0/0/0

Question 5

What is the correct procedure to associate a VRF to a static route?

A.specify the VRF under "router static" in configuration mode
B.specify the VRF in the route global configuration command
C.define the VRF in the global configuration
D.configure the VRF under the interface