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Cisco Quality of Service (QoS) Sample Questions:

1. DRAG DROP

2. This policy-map is applied to a 128-kbps serial interface in the output direction. Which set of additional commands within this policy-map will improve the link efficiency on the serial interface?
policy-map test
class voice
priority 25
class telnet
bandwidth remaining percent 20
class ftp
bandwidth remaining percent 30

A) class ftp
compression header ip
B) class voice
compression header ip tcp
C) class telnet
compression header ip tcp
D) class voice
no priority 25
bandwidth percent remaining 25
E) class ftp
fair-queue
F) class telnet
fair-queue

3. HOTSPOT

4. According to the best practices, which statement is true as related to the QoS policy that should be implemented on the outbound provider (P) to provider (P) router link in a service provider network that is supporting both VoIP and data?

A) CBWFQ and CB-RTP header compression should be implemented on the P router egress to ensure minimum latency for VoIP traffic.
B) CBWFQ and CB-WRED should be implemented on the P router egress to provide a maximum bandwidth guarantee for the VoIP traffic.
C) In the DiffServ model, ingress and egress QoS mechanisms are only required on the provider edge (PE) routers, so no QoS policy is needed on the P to P link.
D) LLQ and CB-WRED should be implemented on the P router egress to support both VoIP and data traffic.

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

Solutions: