SRC Certification 4A0-C02 Release Date

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Question 72

Click the exhibit.

Router R1 is a route reflector with clients R2, R5 and R6. Prefixes advertised by router R5 have a local preference of 200. Router R3 advertises the prefix 192.168.1.0/27 to routers R5 and R6.

Assuming that none of the routers in AS 65540 is configured with "advertise-external", what is the expected output of "show router bgp routes" on router R5?

Options:

Option A

Option B

Option C

Option D

Question 73

What is the 6-bit binary representation of DSCP value AF21?

Options:

010011

100010

010001

001100

010010

Question 74

Which of the following statements about standalone pokers and CFHP policers is FALSE?

Options:

A standalone policer has no parent arbiter, while a CFHP pohlicer has a parent arbiter.

A standalone policer has a fixed PIR rate, while a CFHP poker's PIR rate can be dynamically adjusted by its parent arbiter.

Both standalone and CFHP policers use the FIR bucket to gain access to their fair share of the available bandwidth.

Both standalone and CFHP policers use a policer output queue to store packets before they are forwarded.

Question 75

Which of the following statements describe the operation of WRED on the Alcatel-Lucent 7750 SR? (Choose three)

Options:

WRED monitors the shared buffer space utilization over a period of time.

WRED disables the TCP slow-start congestion control mechanism.

WRED uses two configurable slopes for each buffer pool: a high slope and a low slope.

WRED uses the shared buffer utilization, instead of the individual queue depth, to get a better picture of the average resource utilization of the shared buffer space.

WRED polices the shared buffer pool and marks all packets above a certain rate as "discard eligible."

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