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:

Which technology uses two or three antennas to receive (input) the signal and two or three radios to transmit (output), plus special signal processing to improve range, reliability, and throughput.

A. HSPA

B. CDMA

C. LTE

D. MIMO

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

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

What can PTP be used to synchronize?

A. Time, frequency, phase

B. Rate

C. Phase, time

D. Frequency

How does traditional mobile networks scale?

A. non-exponentially

B. exponentially

C. linearly

D. nonlinearly

What is the preferred method for frequency synchronization in a Unified MPLS for IP MBH Communication?

A. SyncE/IEEE 1588

B. Local devices Clocking Sync

C. IP MBH Communication doesn't require Synchronization

D. NTP

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 does virtualization of the core route reflectors do?

A. limit the availability

B. does not enhance resiliency

C. enhance resiliency or availability

D. adds complexity

If a router receives routes from a route reflector, packets destined to the learned prefixes by default must go through what path?

A. To the next BGP hop

B. To the BGP neighbor

C. The Route Reflextor

D. To the Next IGP hop