單項選擇題Which two statements are true about the protocols that are used for transmitting voice traffic?()

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


您可能感興趣的試卷

你可能感興趣的試題

1.單項選擇題

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)

2.多項選擇題Which two Cisco router functional planes are protected by Control Plane Policing (COPP)?()

A.data plane
B.control plane
C.service plane
D.management plane
E.hyper plane

3.多項選擇題What are two step 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

4.多項選擇題Which three statements about classification marking of traffic at Layer 2 are true? ()

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

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

題型:單項選擇題

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

題型:多項選擇題

What are the three models of quality of service (QoS) in a network?()

題型:多項選擇題

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?()

題型:單項選擇題

Which three practices are important to the implementation of a DiffServ QoS architecture?()

題型:多項選擇題

Which two commands should be entered on a WLAN controller to remove any residual configuration?()

題型:單項選擇題

Which three user interfaces exist for the Cisco WLAN Controllers?()

題型:多項選擇題

SDM creates a low latency queuing (LLQ) service policy with its associated classes. What are the two types of low latency queuing available using the SDM QoS wizard?()

題型:多項選擇題

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?()

題型:單項選擇題

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? ()

題型:多項選擇題