A.a class can be identified as a single application， multiple applications with similar service needs，or be based on the source or destination IP address
B.a drawback of the DiffServ field in the MAC header to mark frames into behavior aggregates （BAs）
C.DiffServ uses the DiffServ field in the MAC header to mark frames into behavior
D.the DiffServ field occupies the same eight bits of the MAC header that were previously used for the ToS field
E.the first six high-order bits of the DiffServ field are used to identify the Resource Reservation Protocol （RSVP） value
F.the primary goal of DiffServ is scalability
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A.FECN
B.LLQ
C.WRED
D.LFI
E.CRTP
F.CBWFQ
A.Cisco CallManager
B.Cisco CallManger Express （CME）
C.Cisco CallManager Gateway （CMG）
D.Cisco CallManager Voice Gateway （CMVG）
E.Media Gateway Control Protocol （MGCP）
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
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
A.G711
B.G726
C.G728
D.G729
E.G729A
Refer to the exhibit. What mechanism should be used to increase the bandwidth availability and optimize the link usage throughout the network for voice traffic？（）
A.TCP header compression on router R1
B.TCP header compression on router R2
C.RTP header compression on router R1
D.RTP header compression on router R2
E.payload header compression on router R1
F.payload header compression on router R2
最新試題
What is the term that is used to describe the process of converting a signal from digital to analog？（）
Which of the items stated is typically the most expensive method of improving QoS across WAN links？（）
Which two statements are correct about the signaling methods that are utilized for transmitting voice？ （）
Which three user interfaces exist for the Cisco WLAN Controllers？（）
Which three practices are important to the implementation of a DiffServ QoS architecture？（）
In the design of a QoS solution， which two factors should be taken into consideration？（）
Which set of classes correctly identifies the four traffic classes， from highest priority to lowest priority， specified in the 802.11e standard？（）
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？（）
When QoS levels in the Cisco Wireless Control System （WCS） are entered， which profile names are used to identify the access categories？（）
Within the WMM policy， how many default QoS radio access categories are there？（）