642-642 試験問題を無料オンラインアクセス

When configuring WFQ, what is the default number of dynamic queues based on?

• A.hold-queue limit
• B.drop probability denominator
• C.congestive discard threshold (CDT)
• D.hash of the packet headers
• E.interface bandwidth
• F.inter-packet arrival rate

When configuring a Cisco Catalyst switch to accommodate an IP phone with an attached PC, it is desired that the trust boundary be set between the IP phone and the switch. Which two commands on the switch are recommended to set the trust boundary as described? (Choose two.)

• A.mls qos trust cos
• B.mls qos cos 5
• C.switchport priority extend trust
• D.mls qos trust extend [cos value]
• E.mls qos trust device cisco-phone
• F.no mls qos trust dscp

DRAG DROP
Drop

正解：

Based on the Cisco Catalyst 2950 Series switch configuration shown, with no weights being
assigned to the egress queues, which type of queuing is being implemented?
wrr-queue cos-map 1 0
wrr-queue cos-map 2 1 2 3
wrr-queue cos-map 3 4 5
wrr-queue cos-map 4 6 7

• A.custom
• B.weighted fair
• C.weighted round robin
• D.priority
• E.weighted round robin with an expedite queue
• F.modified deficit round robin

In which two locations is the qos pre-classify command applied to support QoS preclassification over an IPSec/GRE tunnel? (Choose two.)

• A.the policy-map
• B.the tunnel interface
• C.the physical interface
• D.the crypto map
• E.the class-map