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Cisco 642-437 Exam Syllabus Topics:

Cisco Implementing Cisco Unified Communications Voice over IP and QoS v8.0 (CVOICE v8.0) Sample Questions:

1. Which calling privileges command can be used to assign a specific configuring class of restriction list named "restrict" incoming on a dial peer?

A) COR list restrict inbound
B) cor assign restrict
C) corlist incoming restrict
D) corlist restrict

2. How does DiffServ deliver QoS across the network?

A) DiffServ delivers a particular kind of service based on either a flow-based behavior or a per-hop behavior, depending on how the traffic was marked and classified at ingress.
B) DiffServ tries to deliver a particular level of service on a per-flow basis across the network.
C) When using DiffServ, the network tries to deliver a particular kind of service that is based on the QoS that is specified by each packet.
D) DiffServ classifies and marks traffic at each node in the network.

3. Which statement about the DiffServ model is true?

A) DiffServ is based on building a virtual circuit in the Internet using the bandwidth reservation technique.
B) DiffServ is a way to provide the assurance of sufficiently low delay and packet loss for certain types of applications or traffic.
C) DiffServ specifies a mechanism for classifying and managing network traffic and providing QoS on modern IP networks.
D) DiffServ provides traffic management using QoS classifications.

4. What is the function of class-based marking?

A) Marking frames only sets information in the Layer 2 headers of a frame so that the frame can be identified and distinguished from other packets or frames.
B) Marking allows network devices to classify a packet or frame, based on a specific traffic descriptor.
C) Marking packets is based only on CoS value, IP precedence value or DSCP value allows Layer 3 frames to be identified and distinguished from other packets.
D) Marking frames based only on CoS value or IP precedence value allows Layer 2 frames to be identified and distinguished from other frames.
E) Marking frames or packets sets information in the Layer 2 and Layer 3 headers of a packet so that the frame or packet can be identified and distinguished from other frames or packets in the same traffic flow.

5. When configuring a new Cisco 7965 SCCP phone in Cisco Unified Communications Manager Express, which load file needs to be included under telephony-service?

A) dsp45.8-4-0-79.sbn.
B) apps45.9-0-2ES2.sbn
C) cvm45sccp.8-4-0-79.sbn
D) SCCP45.9-0-2SR1S.loads
E) term45.default.loads
F) jar45sccp.8-4-0-79.sbn
G) cnu45.8-4-0-79.sbn
H) dsp45.8-4-0-79.sbn
I) term65.default.loads

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