644-906 Latest Exam (Aug 2018)

[Free] 2018(Aug) Ensurepass Cisco 644-906 Dumps with VCE and PDF 31-40

November 1, 2018

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Implementing and Maintaining Cisco Technologies Using IOS XR

Question No: 31

How would MPLS Label Distribution Protocol, Graceful Restart be configured on TenGigE 0/0/0/1?

  1. Interface Ten0/0/0/1 mpls ip


  2. router ospf interface Ten 0/0/0/1

    address-family ipv4 uni mpls ip


  3. mpls ldp

    address-family ipv4 unicast mpls ip


  4. mpls ldp graceful restart

interface Ten 0/0/0/1

Answer: D

Question No: 32

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?

  1. mpls ldp traffic-eng level-1-2 mpls traffic-eng router-id

    router isis TEST interface Ten 0/0/0/0

    address-family ipv4 unicast

  2. router isis TEST

    net 49.0001.0001.0001.0001.00

    address-family ipv4 unicast metric-style wide

    mpls traffic-eng router-id mpls traffic-eng level-1-2

    interface Ten 0/0/0/0 address-family ipv4 unicast

  3. 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 mpls traffic-eng level-1-2

  4. 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

Answer: B

Question No: 33

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.)

  1. tunnel role

  2. TE metric

  3. tunnel ID

  4. physical bandwidth

  5. incoming and outgoing label

Answer: A,C,E

Question No: 34

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

  1. There must be an Equal-Cost Multipath (ECMP) topology.

  2. IP multicast traffic must use the group address

  3. PIM-SSM needs to be configured.

  4. There must be a valid reverse path back to the multicast source.

Answer: A,D

Question No: 35

Which CLI command can be used to display interfaces statistics?

  1. RP/0/RSP1/CPU0:ASR9006#monitor interface

  2. RP/0/RSP1/CPU0:ASR9006#show interfaces summary

  3. RP/0/RSP1/CPU0:ASR9006#show interfaces statistics | inc errors

  4. RP/0/RSP1/CPU0:ASR9006#show interfaces accounting | inc errors

  5. RP/0/RSP1/CPU0:ASR9006(admin)#show flow platform producer statistics location 0/0/CPU0

  6. RP/0/RSP1/CPU0:ASR9006(admin)##show interfaces statistics

Answer: A

Question No: 36

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

  1. no route drops

  2. no adjacency drops

  3. RPF drops

  4. ACL drops

  5. asymmetric routing drops

  6. Cisco Express Forwarding exception drops

Answer: A,B,C

Question No: 37

Referring to the configuration output exhibit,

Ensurepass 2018 PDF and VCE

which set of commands below will allow you to insert a new line just before the permit any statement?

  1. :router#configure

    :router(config)#ipv4 access-list Ethernet_In

    :router(config-ipv4-acl)# 2.5 deny udp any eq tftp any

  2. :router#configure

    :router(config)#ipv4 access-list Ethernet_In

    :router(config-ipv4-acl)# insert after 2 deny udp any eq tftp any

  3. :router #resequence access-list ipv4 Ethernet_In


    :router(config)#ipv4 access-list Ethernet_In

    :router(config-ipv4-acl)#25 deny udp any eq tftp any

  4. :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

Question No: 38

Which two commands will allow you to check if interface Bundle-Ether1 has ACL Ethernet_In applied to its ingress? (Choose two.)

  1. show access-list ipv4 Ethernet_In

  2. show interface Bundle-Ether1 access-list

  3. show running-config interface Bundle-Ether 1

  4. show running-config ipv4 access-list Ethernet_In

  5. show ipv4 interface Bundle-Ether 1

Answer: C,E

Question No: 39

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?

  1. show policy-map interface TenGigE 0/0/0/0

  2. show qos interface TenGigE 0/0/0/0 output

  3. show interface TenGigE 0/0/0/0 qos

  4. show interface TenGigE 0/0/0/0 policy-map output

  5. monitor interface TenGigE 0/0/0/0

Answer: A

Question No: 40

What are the three potential use cases of NetFlow in an actual network deployment? (Choose three.)

  1. identifying the traffic source and destination for optimizing peering and transit links

  2. providing the network telemetry for identifying and mitigating DDoS attacks

  3. providing traffic traces that are comparable to what is provided by a packet sniffer and RMON

  4. providing a means for traffic accounting and billing for customers

  5. providing deep application inspections and controls

Answer: A,B,D

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