642-887 무료 덤프문제 온라인 액세스

Refer to the exhibit. After you applied this configuration to a device, it failed to establish a Cisco MPLS TE tunnel. Which additional configuration must you perform so that the tunnel can be established?

• A.Configure the tunnel destination.
• B.Define the explicit path.
• C.Specify the RSVP bandwidth value.
• D.Specify the area ID of the tunnel.

Only based on the Cisco IOS XR policy-map configuration exhibit,

which statement is correct?

• A.DSCP AF11 and AF41 marked packets are guaranteed a maximum bandwidth of 1 Mb/s.
• B.All DSCP AF41 marked packets will be dropped when the average queue length reaches 12,000 packets.
• C.DSCP AF11 and AF41 marked packets are guaranteed a minimum bandwidth of 1 Mb/s.
• D.DSCP AF11 marked packets will be randomly dropped when the average queue length reaches 10,000 packets.

Which three statements are correct regarding ping mpls command operations? (Choose three.)

• A.They use a 127/8 address as the destination address in the MPLS echo request packet.
• B.MPLS OAM has to be enabled on the router using the mpls oam command.
• C.If there is a broken LSP, instead of using label switching, the packet can still be forwarded based on the destination IP address in the mpls ping echo request packet.
• D.They are used to test for a broken LSP.
• E.They use ICMP echo request and ICMP echo reply packets.

At which layer does Cisco recommend the QoS trust boundary be set for an enterprise network environment?

• A.core layer, facing the distribution layer
• B.distribution layer, facing the core layer
• C.access layer, facing the end hosts
• D.distribution layer, facing the access layer

When implementing Cisco MPLS TE, the constrained-based path calculations will use which value as the TE cost of each link within the MPLS domain?

• A.Each link must be assigned a TE cost using the metric command.
• B.It can only use the IGP metric as the TE cost.
• C.It will use the interface bandwidth as the TE cost.
• D.By default, it will use the IGP metric, or each link can be assigned a specific value using the admin-weight command.