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

Which two commands can you issue on an ASR920 router to view the status of a pseudowire? (Choose two.)

A. show pw all

B. show pw and xconnect

C. show pw all detail

D. show xconnect all detail

E. show xconnect all

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

Which two options configures an ASR920 router as a hybrid clock? (Choose two.)

A. ptp clock boundary domain 0

B. ptp clock boundary domain 0 hybrid

C. ptp clock ordinary domain 0 hybrid

D. ptp clock ordinary domain 0

E. ptp clock

How does traditional mobile networks scale?

A. non-exponentially

B. exponentially

C. linearly

D. nonlinearly

Which technology is a mechanism that emulates point-to-point connection over a packet switched network?

A. LFA FRR

B. SyncE

C. PWE3

D. TDM

SyncE clocking is provided at what OSI layer?

A. Layer 3

B. Layer 2 and 3

C. Layer 1

D. Layer 2

In a Unified MPLS for IP MBH context, what are pre-aggregation nodes?

A. are route reflector clients of the Core Route reflector

B. are route reflector clients of the core node ASBR

C. are route reflector clients of the core node ABR

D. are all route reflector