多項選擇題What are two ways to minimize the delay of VoIP packets that are traversing a network? ()

A. Use WFQ, CBWFQ, and LLQ to prioritize delay-sensitive packets.
B. Use WFQ, CBWFQ, and LLQ to compress the payload.
C. Give TCP packets priority over UDP packets.
D. Use control plane policing for cRTP queuing.
E. Use stacker and predictor to compress the payload.


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1.多項選擇題What are three Cisco Unified CallManager features? ()

A. programming interface to external applications
B. FXS and FXO port negotiation
C. AutoQos VoIP trust boundaries
D. signaling and device control
E. LLQ for voice and video traffic
F. directory and XML services

2.多項選擇題What are two components of the QoS Integrated Services (IntServ) model?()

A. link efficiency
B. admission control
C. classification and marking
D. shaping and policing
E. congestion avoidance using the RTP protocol
F. resource reservation using the RSVP protocol

3.多項選擇題In a VoIP network, which three call signaling protocols are supported by the Cisco CallManager for call setup, call maintenance, and call teardown? ()

A. H·323
B. UDP
C. RTP
D. TCP
E. Media Gateway Control Protocol (MGCP)
F. session initiation protocol (SIP)

6.多項選擇題Which two statements about the open and shared key wireless-authentication methods are true? ()

A. Shared key authentication is considered more secure than open authentication.
B. Shared key authentication is considered less secure than open authentication.
C. If the WEP keys do not match using the open authentication method, the client will not authenticate, associate, and transfer data.
D. If the WEP keys do not match using the open authentication method, the client will still be able to authenticate and associate, but will not transfer data.
E. If the WEP keys do not match using the open authentication method, the client will still be able to authenticate, associate, and transfer data.

7.多項選擇題What are two features of WCS wireless management? ()

A. centralized management for autonomous access points
B. centralized management for lightweight access points
C. integration with the Location Appliance to expand real time tracking to 1500 devices for 30 days
D. integration with the Location Appliance to expand real time tracking to 2500 devices for 15 days
E. the inclusion of an integrated AAA server
F. an external AAA-server requirement

8.多項選擇題What are two features of WLSE-Express wireless management? ()

A. centralized management for autonomous access points
B. centralized management for lightweight access points
C. centralized management that requires an external AAA server
D. centralized management with integrated AAA server
E. integration with the Location Appliance to expand real time tracking to 1500 devices for 30 days
F. integration with the Location Appliance to expand real time tracking to 2500 devices for 30 days

9.多項選擇題When a router converts analog signals to digital signals, what three steps are always included in the process? ()

A. involution
B. encoding
C. sampling
D. quantization
E. compression
F. companding

10.單項選擇題Which statement is true about the comparison of voice traffic with video traffic?()

A. Video conferencing traffic tends to be much more bursty in nature and is more prone to have an impact on other traffic flows.
B. Latency requirements are less stringent for video traffic than for voice traffic.
C. Video traffic is less sensitive to dropped packets than for voice traffic.
D. Video traffic requires the retransmission capabilities of TCP whereas voice uses UDP.
E. Voice traffic tends to be much more bursty in nature and is more prone to have an impact on other traffic flows.
F. Voice traffic requires the retransmission capabilities of TCP whereas video uses UDP.

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Which option correctly identifies the four main menus of a Cisco Wireless Control System (WCS)? ()

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When QoS levels in the Cisco Wireless Control System (WCS) are entered, which profile names are used to identify the access categories?()

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What are two ways to minimize the delay of VoIP packets that are traversing a network? ()

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Which set of classes correctly identifies the four traffic classes, from highest priority to lowest priority, specified in the 802.11e standard?()

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When Cisco SDM is used to generate QoS policy, various QoS classes will be created and assigned a percentage of the interface bandwidth. Which three statements indicate the default bandwidth values that are assigned by SDM for outgoing traffic on a WAN interface? ()

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Which two statements are true about Voice over IP (VoIP) packet delivery in a digital infrastructure? ()

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In the design of a QoS solution, which two factors should be taken into consideration?()

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Which statement is true about the Call Admission Control (CAC) feature in VoIP networks?()

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For delay sensitive traffic, what are the three best ways that are used to prevent packet loss? ()

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Which two QoS classification and marking statements are true? ()

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