최신Cisco Quality of Service (QoS) - 642-642무료샘플문제

A. enables the router to respond to BECN bits by creating test frames in the opposite direction with the FECN bit set

B. enables the router to increase the shaping rate when FECN bits are received

C. enables the router to increase the shaping rate when BECN bits are received

D. enables the router to lower the shaping rate when FECN bits are received

E. enables the router to lower the shaping rate when BECN bits are received

F. enables the router to respond to FECN bits by creating test frames in the opposite direction with the BECN bit set

A. LLQ and CB-WRED should be implemented on the P router egress to support both VoIP and data traffic.

B. CBWFQ and CB-RTP header compression should be implemented on the P router egress to ensure minimum latency for VoIP traffic.

C. CBWFQ and CB-WRED should be implemented on the P router egress to provide a maximum bandwidth guarantee for the VoIP traffic.

D. 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.

A. The bandwidth command is missing for the class-default traffic class.

B. The voice traffic class should have the no fair-queue command.

C. The bandwidth units for the bulk and interactive traffic classes are inconsistent.

D. WFQ cannot be configured for the class-default traffic class.

E. The priority command cannot be used with the bandwidth command within the same policy-map.

F. WFQ cannot be configured for the bulk and interactive traffic classes.

A. Class-Based WRED

B. Class-Based Marking

C. QoS pre-classify

D. QPPB

E. AutoQoS

F. LLQ

A. to enable class-based marking on tunnel interface

B. to enable the IOS to copy the ToS field from the original IP header to the outer tunnel IP header

C. to enable the IOS to classify the packet based on the outer tunnel IP header instead of the original IP header

D. to enable the IOS to classify the packet based on the original IP header instead of the tunnel IP header

E. to enable the IOS to copy the ToS field from the outer tunnel IP header back into the original IP header

F. to enable class-based marking on IPSec crypto maps

A. Please click console