單項選擇題Which device is normally used to translate telephone numbers or names to IP addresses for call routing in an H.323 network? ()

A.call agent
B.IP phone
C.multipoint control unit
D.gatekeeper


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1.單項選擇題The route processor is critical to the operation of a network, and any service disruption to the route processor can result in network outages. Which QoS tool canprotectroute processor traffic?()

A.control plane policing
B.data plane policing
C.network-based application recognition (NBAR)
D.service plane policing
E.management plane policing

3.單項選擇題

Refer to the exhibit. Which statement is true about the function of the frame-relay voice-bandwidth 24000 command that is shown in the partial configuration?()

A.It limits the total bandwidth available on the Frame Relay link.
B.It provides call admission control by limiting the number of voice calls over the Frame Relay link
C.It sets up IP RTP Priority features that reserve bandwidth for voice traffic flows.
D.It is functionally equivalent to configuring LLO.
E.It limits the bandwidth that is taken by individual voice calls to 24000 b/s.

4.多項選擇題Which three options are prerequisites to configuring Cisco AutoOoS?()

A.Cisco Express Forwarding (CEF) must be globally enabled.
B.Prior to the enabling of the Cisco AutoOoS feature, the bandwidth command must be applied on all interfaces or subinterfaces.
C.After the enabling of the Cisco AutoOoS feature, the bandwidth command must be applied on all interfaces or subinterfaces .
D.OoS policies must be enabled on all interfaces that will participate in the AutoOoS configuration.
E.An IP address must be configured on all low-bandwidth interfaces (768 kb/s or lower) that will participate in the AutoOoS configuration
F.An IP address must be configured on all interfaces that will participate in the AutoOoS configuration

5.多項選擇題What are three factors used to determine the amount of bandwidth that is required for a single VoIP call?()

A.codec
B.link speed
C.Layer 2 encapsulation
D.packet overhead (IP/UDP/RTP)
E.link delay
F.total number of simultaneous calls that are allowed

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