500-240 Online Practice Questions and Answers

Match each device series on the left with its placement in a MBH network on the right. (Not all options will be used).

Select and Place:

High availability at the transport network layer is provided through the combination of what three technologies? (Choose three.)

A. Alternate Route

B. Loop-Free Alternate Fast Reroute

C. BGP

D. HSRP

E. BFD

F. BGP Core and Edge Fast Reroute and Edge protection

In how many seconds, after a failure of the primary or active paths when BGP Fast Reroutes enables alternate paths?

A. 5 seconds

B. 10 seconds

C. <1 second

D. 30 seconds

What are three purposes of partitioning the backhaul network into independent IGP domains? (Choose three.)

A. to not enhance stability

B. to reduce the size of the routing and forwarding tables on individual routers

C. to ensure that reachability is not possible between domains

D. to not ensure stability

E. faster convergence

F. to enhance stability

If you partitioned the aggregation and RAN network layers into independent and insolated IGP domains, what will it do?

A. Cross domain communication will be impossible

B. The Core IGP will not scale

C. it will increase the routing complexity and routing table

D. it will reduce the size of the routing and forwarding tables in the RAN layer

What can PTP be used to synchronize?

A. Time, frequency, phase

B. Rate

C. Phase, time

D. Frequency

What does the neighbor send label command enable when issued on BGP routers?

A. Enables the routers to add IPv6 labels to outgoing BGP updates

B. Enables an EBGP multihop peer to propagate the next hop unchanged

C. Enables the routers to add MPLS labels to outgoing BGP updates

D. Allows peering between loopbacks

In a Cisco Unified MPLS for IP MBH network architecture the route scale is managed by the IGP route redistribution is?

A. not distributed access IGP route to the Core

B. redistributed access IGP route to the Core

C. by using different IGP routing protocol between the Access and the Core

D. doing some route summarization false

Which three clock types can an ASR920 router be configured as? (Choose three.)

A. Boundary clock

B. Clock

C. Ordinary clock

D. Regular clock

E. Transparent clock

F. Ordinary, Regular

What is frequency, phase, and time of day synchronization in mobile architecture?

A. is natively supported in IPv6

B. is a key requirement for the radio equipment

C. is not important

D. was only required for legacy