Which additional feature does MPLS DiffServ tunneling support?

• A.matching EXP and DSCP values
• B.interaction between MPLS and IGP
• C.using GRE tunnels to hide markings
• D.PHB layer management

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Refer to the exhibit:

After implementing a new design for the network, a technician reviews the pictured CLI output as part of the MOP.
Which two statements describe what the technician can ascertain from the ImpNull output? (Choose two.)

• A.Label 3 is in use for the prefix displayed and will be part of the MPLS label stack for packets destined for 192.168.10.10
• B.Label 0 is used for the prefix displayed but will not be part of the MPLS label stack for packets destined for 192 168.10.10.
• C.Penultimate Hop Popping is in use for the prefix displayed
• D.Ultimate Hop Popping is in use for the prefix displayed.
• E.Label 0 is used for the prefix displayed and will be part of the MPLS label stack for packets destined for
  192.168.10.10

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Refer to the exhibit. The network team must implement MPLS LDP session protection with two requirements:
Session protection is provided for core loopback IP addresses only.
The LDP session must remain operational for one hour when the WAN link on PE-XR1 fails.
Which configuration must the team implement on PE-XR1?

• A.Option B
• B.Option D
• C.Option A
• D.Option C

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Refer to the exhibit. Based on the show command output, which result is true after BGP session is established?

• A.The IOS XR router advertises and accepts all routes to and from eBGP neighbor 192.168.2.2.
• B.The IOS XR router advertises all routes to the neighbor 192.168.2.2, but it does not accept any routes from
  192.168.2.2.
• C.No routes are accepted from the neighbor 192.168.2.2, nor are any routes advertised to it.
• D.The IOS XR router does not advertises any routes to the neighbor 192.168.2.2, but it accepts any routes from 192.168.2.2.

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Refer To the exhibit.

Which BGP attribute should be manipulated to have CE1 use PE1 as the primary path to the Internet?

• A.The weight attribute should be manipulated on PE1 on outbound routes advertised to CE1.
• B.The local preference attribute should be manipulated on PE2 on inbound routes advertised to CE1.
• C.The MED should be manipulated on CE1 on inbound routes from PE1.
• D.The origin of all routes should be modified on each router on inbound and outbound routes advertised to CE1.

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