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


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1.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

2.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

4.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

5.多項選擇題Which two statements about the Wired Equivalent Privacy （WEP） encryption mechanism are true？ （）

A.the two methods of authentication using the WEP encryption are open and shared key
B.the 802.11 standard defines WEP security using 128-bit keys
C.WEP can provide stronger authentication through the use of LEAP， PEAP， or EAP-FAST
D.WEP is a scalable encryption solution that uses static keys for authentication
E.WEP security provides only one-way authentication
F.WEPv2 offers improved encryption by replacing the RC4 encryption mechanism with the AES （symmetric block cipher） mechanism

6.單項選擇題Refer to the exhibit. What is the configuration an example of？（）

A.enabling modular QoS over Frame Relay
B.enabling Real-Time Transport Protocol （RTP） header compression
C.enabling distributed compressed Transmission Control Protocol
D.enabling latency and jitter reduction for Transmission Control traffic
E.enabling TCP header compression

7.單項選擇題What type of services are provided by the Cisco IOS gateways in a VoIP network with Cisco CallManger functionality？（）

A.Cisco IOS gateways provide services such as address translation and network access control for the devices on the network
B.Cisco IOS gateways provide services such as bandwidth management and accounting
C.Cisco IOS gateways provide media termination and signal translation between the public switched telephone network （PSTN） and IP networks
D.Cisco IOS gateways provide zone management for all registered endpoints in the network

8.單項選擇題The Acme company has determined that during its busiest hours， the average number of internal VoIP calls across the WAN link is four （4）. Since this is an average， the WAN link has been sized for six （6） calls with no call admission control. What will happen when a seventh call is attempted across the WAN link？ （）

A.the seventh call is routed via the PSTN
B.the call is denied and the original six （6） calls remain
C.the call is completed and the first call is dropped
D.the call is completed， but all calls have quality issues
E.the call is completed but the seventh call has quality issues

9.單項選擇題When calls are denied by call admission control （CAC）， the calls are rerouted through the PSTN via the use of which Cisco CallManager feature？（）

A.automated alternate routing （AAR）
B.Cisco CallManager Attendant Console
C.real-time protocol （RTP）
D.Survivable Remote Site Telephony （SRST）

10.多項選擇題Which two statements about the QoS functionality of the Cisco SDM are true？（）

A.the first step when using the SDM QoS wizard is to select the inbound interface on which the QoS policy must be applied
B.the SDM QoS wizard can be used to optimize LAN， WAN， and VPN interfaces
C.he SDM QoS wizard supports network-based application recognition （NBAR） to provide deep and stateful packet inspection
D.he SDM QoS wizard will apply custom queuing and priority queuing policies to the identified interfaces
E.he SDM QoS wizard will apply low latency-queuing，custom-queuing and priority-queuing policies to the identified interfaces
F.to create and manage the QoS settings， the user must select the QoS wizard task under the Monitor option