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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:

Question 1

Which command should you use to associate a Session Initiation Protocol phone using a tag of 1 with a directory number with a tag of 20?

A. button 1:20
B. number 1 dn 20
C. button 20:1
D. number 20 dn 1

Question 2

Which four are benefits of VLANs in an organization? (Choose four.)

A. better VLAN database
B. better LAN infrastructure
C. physical topology independence
D. switch is able to reboot faster
E. increased performance
F. quick response to ping times
G. increased security
H. improved manageability

Question 3

Which three methods are used by a Cisco Unified Border Element to provide network hiding? (Choose three.)

A. IP network security boundary
B. Media flow-through
C. Back-to-back user agent, replacing all H.323-embedded IP addressing
D. RSVP
E. Intelligent IP address translation for RTP flows
F. IP network privacy and topology hiding

Question 4

A call is received on a voice gateway from a Session Initiation Protocol-based Internet source. The call is destined for a telephone that is connected directly to the gateway. Which type of dial-peer is considered outgoing?

A. VoIP
B. Foreign Exchange Station
C. Foreign Exchange Office
D. plain old telephone service

Question 5

Which command correctly enables a trust of the existing differentiated services code point value coming into a switch?

A. switch(config-if)#mls qos trust dscp
B. switch(config-mls)#mls qos trust dscp
C. switch(config-mls)#dscp trust
D. switch(config-if)#mls dscp trust

Solutions: