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Cisco 642-642 Exam Syllabus Topics:

Cisco Quality of Service (QoS) Sample Questions:

1. Refer to the exhibit. A typical configuration involving an IP phone with an attached PC is shown. According to QoS recommendations, at which demarcation line (shown as dotted lines) would the trust boundary normally exist?

A) B
B) C
C) D
D) A

2. Which of the following configurations requires the use of hierarchical policy maps?

A) the use of class-based WRED within a CBWFQ class queue
B) the use of CBWFQ inside class-based shaping
C) the use of both the bandwidth and shape statements within a CBWFQ class queue
D) the use of a strict priority-class queue within CBWFQ
E) the use of nested class-maps with class-based marking

3. HOTSPOT

4. The qos pre-classify command can be configured under which two configuration modes? (Choose two.)

A) router(config-pmap-c)#
B) router(config-cmap)#
C) router(config-router)#
D) router(config)#
E) router(config-crypto-map)#
F) router(config-if)#

5. A Frame Relay interface has been configured for adaptive shaping with a minimum rate of 15 kbps. The current maximum transmit rate is 56 kbps.
If three FECNs are received over the next 4 seconds, what will be the maximum transmit rate after the last FECN has been received?

A) 37 kbps
B) 10 kbps
C) 56 kbps
D) 28 kbps
E) 15 kbps
F) 7 kbps

Solutions: