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2017 Feb. NEW 644-906: Implementing and Maintaining Cisco Technologies Using IOS XR – (IMTXR) Exam Questions Updated Today!
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QUESTION 1
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

Answer: CE

QUESTION 2
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.

Answer: AC

QUESTION 3
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

Answer: B

QUESTION 4
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

Answer: B

QUESTION 5
How would you configure IS-IS process TEST to support MPLS Traffic Engineering extensions on level 1 and 2 that are intending to run a tunnel across TenGigE 0/0/0/0?

A.    mpls ldp traffic-eng level-1-2
mpls traffic-eng router-id 1.1.1.1
router isis TEST
interface Ten 0/0/0/0
address-family ipv4 unicast
B.    router isis TEST
net 49.0001.0001.0001.0001.00
address-family ipv4 unicast
metric-style wide
mpls traffic-eng router-id 1.1.1.1
mpls traffic-eng level-1-2
interface Ten 0/0/0/0
address-family ipv4 unicast
C.    router isis TEST
net 49.0001.0001.0001.0001.00
address-family ipv4 uni
metric-style wide
interface Ten 0/0/0/0
address-family ipv4 unicast
mpls traffic-eng router-id 1.1.1.1
mpls traffic-eng level-1-2
D.    mpls ldp
router isis TEST
interface Ten 0/0/0/0
address-family ipv4 unicast
mpls traffic-eng level-1-2
mpls traffic-eng router-id 1.1.1.1

Answer: B

QUESTION 6
When running MPLS Traffic Engineering with Cisco IOS XR Software, which three criteria can be seen when the show mpls traffic-eng tunnels command is executed on a midpoint router? (Choose three.)

A.    tunnel role
B.    TE metric
C.    tunnel ID
D.    physical bandwidth
E.    incoming and outgoing label

Answer: ACE

QUESTION 7
What are the two prerequisites for enabling multicast-only fast reroute (MoFRR) in a network? (Choose two.)

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

Answer: AD

QUESTION 8
Which CLI command can be used to display interfaces statistics?

A.    RP/0/RSP1/CPU0:ASR9006#monitor interface
B.    RP/0/RSP1/CPU0:ASR9006#show interfaces summary
C.    RP/0/RSP1/CPU0:ASR9006#show interfaces statistics | inc errors
D.    RP/0/RSP1/CPU0:ASR9006#show interfaces accounting | inc errors
E.    RP/0/RSP1/CPU0:ASR9006(admin)#show flow platform producer statistics location 0/0/CPU0
F.    RP/0/RSP1/CPU0:ASR9006(admin)##show interfaces statistics

Answer: A

QUESTION 9
Which three types of packet drop statistics can be determined by using the following Cisco IOS XR CLI show command? (Choose three.)
RP/0/RSP1/CPU0:ASR9006-A#show cef ipv4 drops location all

A.    no route drops
B.    no adjacency drops
C.    RPF drops
D.    ACL drops
E.    asymmetric routing drops
F.    Cisco Express Forwarding exception drops

Answer: ABC

QUESTION 10
Referring to the configuration output exhibit, which set of commands below will allow you to insert a new line just before the permit any statement?

A.    :router#configure
:router(config)#ipv4 access-list Ethernet_In
:router(config-ipv4-acl)# 2.5 deny udp any eq tftp any
B.    :router#configure
:router(config)#ipv4 access-list Ethernet_In
:router(config-ipv4-acl)# insert after 2 deny udp any eq tftp any
C.    :router #resequence access-list ipv4 Ethernet_In
:router#configure
:router(config)#ipv4 access-list Ethernet_In
:router(config-ipv4-acl)#25 deny udp any eq tftp any
D.    :router#configure
:router(config)#ipv4 access-list Ethernet_In
:router(config-ipv4-acl)#move 3 to 4
:router(config-ipv4-acl)#3 deny udp any eq tftp any

Answer: C


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