單項(xiàng)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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1.多項(xiàng)選擇題What are two steps needed to define a QoS policy for a traffic class？（）

A. Determine a minimum bandwidth guarantee.
B. Determine interfaces to which to apply policy.
C. Assign priorities to the class.
D. Configure access control lists.

2.多項(xiàng)選擇題What are three considerations when choosing the QoS model to deploy in a network？ （）

A. the routing protocols being utilized in the network
B. the applications utilizing the network
C. the traffic destinations
D. network addressing scheme
E. cost of implementation
F. the amount of the control needed of the resources

3.多項(xiàng)選擇題Which three statements are true about the application of QoS models？ （）

A. The DiffServ model requires applications to signal the network with QoS requirements.
B. The DiffServ model can be used to deliver QoS based upon IP precedence， or source and destination addresses.
C. The DiffServ model requires RSVP.
D. The best effort model is suitable for applications such as file transfer and e-mail
E. The IntServ model requires applications to signal the network with QoS requirements.
F. The IntServ model attempts to deliver a level of service based on the QoS specified by each packet

4.多項(xiàng)選擇題Which two statements about the Wireless Location Appliance are true？ （）

A. A Wireless Location Appliance acts as a server to one or more Cisco WCSs. It collects， stores， and passes on data from its associated Cisco WLAN controllers.
B. Before using the Web interface， the initial configuration of the Wireless Location appliance must be done using the command-line interface （CLI）.
C. The Cisco 2000， 2700， 4100， and 4400 are examples of Wireless Location Appliances.
D. The Wireless Location Appliance visually displays the location information of WLAN devices and forwards this information to third-party applications using the Simple Network Management Protocol （SNMP）.
E. The Wireless Location Appliance visually tracks up to 15，000 WLAN devices and can store this information for 90 days.

5.多項(xiàng)選擇題Which two statements about the QoS policy generation phase of the Cisco SDM QoS wizard are true？ （）

A. The SDM QoS wizard will create two real-time traffic classes to handle VoIP and voice signaling packets.
B. The SDM QoS wizard will create three real-time traffic classes to handle VoIP， voice signaling， and video packets.
C. The SDM QoS wizard will create four real-time traffic classes to handle VoIP， voice signaling， video， and video streaming packets.
D. The SDM QoS wizard will create two business-critical traffic classes to handle transactional and network management packets.
E. The SDM QoS wizard will create three business-critical traffic classes to handle transactional， network management， and routing packets.
F. The SDM QoS wizard will create four business-critical traffic classes to handle transactional， network management， routing， and best-effort packets.