多項選擇題Which two queuing methods will allow a percentage of the available bandwidth to be allocated to each queue？（）

A.first-in， first-out queuing （FIFO）
B.priority queuing （PQ）
C.custom queuing （CQ）
D.weighted fair queuing （WFQ）
E.class-based WFQ （CBWFQ）
F.low latency queuing （LLQ）


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1.多項選擇題Which two IntServ functions are required on a router？（）

A.admission control
B.DSCP classification
C.monitoring
D.marking
E.scheduling

2.多項選擇題What three statements are true about the various deployments of the 802.1x Extensible Authentication Protocol （EAP）？（）

A.EAP-FAST has the ability to tie login with non-Microsoft user databases
B.EAP-TLS supports static passwords
C.PEAP supports one-time passwords
D.LEAP does not support multiple operating systems
E.LEAP supports Layer 3 roaming
F.PEAP does not work with WPA

3.多項選擇題For defining the QoS policies for each traffic class， which parameters should be identified？ （）

A.minimum bandwidth guarantee
B.average bandwidth guarantee
C.optimum bandwidth guarantee
D.maximum bandwidth rate
E.IP precedence F priority

5.單項選擇題Which QoS preclassification option will require the use of the qos pre-classify command for the VPN traffic？ （）

A.VPN traffic needs to be classified based on the Layer2 header information
B.VPN traffic needs to be classified based on the IP precedence or DSCP
C.VPN traffic needs to be classified based on IP flow or Layer 3 information， such as source and destination IP address
D.VPN traffic with Authentication Header （AH） needs to preserve the ToS byte