Online Access Free 642-887 Exam Questions

On the Cisco IOS XR, which MQC configuration is different than on the Cisco IOS and IOS XE?

• A.On the Cisco IOS XR, WRED can only be applied in the output direction.
• B.On the Cisco IOS XR, LLQ can be applied in the input or output direction.
• C.On the Cisco IOS XR, LLQ can use up to four priority queues: level 1, level 2, level 3, and level 4.
• D.On the Cisco IOS XR, marking can only be applied in the input direction.

According to the Intserv model, which two options are traffic-specific parameters? (Choose two.)

• A.traffic marking
• B.token bucket
• C.minimum policed unit
• D.rate policing
• E.calculated average queue size

Which feature should you configure to prevent routers from routing across a new link without having first learned transport labels?

• A.targeted adjacency
• B.Session Protection
• C.Cisco NSF
• D.IGP Synchronization

Which option shows how a network engineer implements QPPB marking of incoming traffic on a router that is connected to a VoIP SP (AS62000, BGP community 60000:1) and to a data services service provider (AS61000, BGP community 61000:1) on Cisco IOS XE?
A)

B)

C)

D)

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

Which MPLS application can a service provider offer to enable Layer 2 connectivity between a customer's remote sites?

• A.GRE tunnels
• B.L3VPN
• C.Cisco MPLS TE
• D.L2VPN