A.increases link capacity
B.increases buffer space to accommodate bursts of traffic from delay-sensitive applications
C.provides prioritized forwarding for drop-sensitive applications
D.drop lower priority packets before congestion occurs
E.separates traffic into as many as 64 queues that can be uniquely prioritized
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A.RTP multiplexing is used to keep multiple phone conversations separate
B.RTP provides end-to-end delivery services for voice traffic
C.UDP is used to ensure a reliable transmission from sender to receiver
D.RTP is used to provide resource reservation for the voice stream
E.UDP provides multiplexing
Refer to the wxhibit . what QOS model should be used to reserve the requested bandwidth and delay needed for each allowed VOIP call regardless of changing networkconditions？（）
A.best-effort delivery
B.ingress committed rate （ICR）
C.shaping and policing
D.egress committed rate （ECR）
E.integrated Services （IntServ）
F.differentiated services （DiffServ）
A.data plane
B.control plane
C.service plane
D.management plane
E.hyper plane
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
A.a Frame Relay header includes a 1-bit discard eligible （DE） bit to provide the class of service （CoS）
B.an ATM header includes a 1-bit DE field to provide the CoS
C.an MPLS EXP field is inserted in the Layer 3 IP precedence field to identify the CoS
D.the CoS field only exists inside Ethernet frames when 802.1Q or Inter-Switch Link （ISL） trunking is used
E.in the IEEE 802.1p standard， three bits are used to identify the user priority bits for the CoS
F.in the IEEE 802.1q standard， six bits are used to identify the user priority bits for the CoS
最新試題
What can be used to maintain the voice quality on a link by limiting the number of calls that can be active at any given time？（）
What are two reasons to implement H·323 gatekeepers？（）
When deploying a Cisco Wireless Control System （WCS） with the 2700 series location appliance， to within what range is on-demand location of rogue APs possible？（）
Which two statements are correct about the signaling methods that are utilized for transmitting voice？ （）
Which two QoS classification and marking statements are true？ （）
Which two functions can be provided by an Integrated Services Router （ISR） in a VoIP network？（）
What is the term that is used to describe the process of converting a signal from digital to analog？（）
Which two characteristics are common between traffic policing and traffic shaping？（）
Which three functions can an Integrated Services Router perform in a VoIP network？（）
Which three practices are important to the implementation of a DiffServ QoS architecture？（）