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Real 642-437 Practice Questions 

Killtest provides the latest actual questions for 642-437 test, which can help you pass the exam easily. Download the latest 642-437 exam dumps free now.

 

 
 
Tags:  642-437  practice  questions 
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Published:  January 31, 2012
 
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Slide 1: At Killtest, people can get all the required exam information of IT certification test for them to get certified easily. Killtest provides many pop certification, such as IBM, Oracle, HP, and so on. A lot of new exams are available at Killtest, such as HP2-B85, HP2-N26, NS0-156, and so on.
Slide 2: The safer , easier way to help you pass any IT exams. Exam : 642-437 Title : Implementing Cisco Unified Communications Voice over IP and QoS v8.0 (CVOICE v8.0) Version : DEMO 1/5
Slide 3: The safer , easier way to help you pass any IT exams. 1.Which voice translation rule will expand extensions that are in the 3000-3999 range to a 1 O-digit number? A./A3a :\( a : .$\)/11 1/ B./3a ://4085553/ C./A3a :\( a : .$\)//408555\ 1/ D./A3a :\(a :.$\)//408555/ E./A3a :$//408555&1 Answer: E 2. Answer: 3.Voice packets are arriving at a destination with a variance of between 20 and 50 ms.If the jitter buffer has a capacity of 30 ms, what is the impact on the audio at the receiving IP phone? A.The jitter buffer will replay the previous voice packets to replace those packets that exceed 30 ms to avoid speech gaps. 2/5
Slide 4: The safer , easier way to help you pass any IT exams. B.The audio stream at the receiving IP phone will be delayed and garbled. C.The DSP will automatically increase the jitter buffer size after sampling the range of incoming voice packets to accommodate the wider range in variation of voice packet arrival times to avoid voice gaps. D.The IP phone will negotiate, in mid-call, a lower bandwidth codec to reduce the delay in the arrival of voice packets to avoid voice gaps. Answer: B 4. Refer to the exhibit. Which type of ephone-dn is configured for the two ephones that are shown? A.single-line-octo B.hunt line C.shared-line, nonexclusive D.two directory numbers with one telephone number E.shared-line, overlay F.octo-line Answer:E 5. Refer to the exhibit. Cisco Unified Communications Manager Express has been partially configured to support 6 IP phones and 12 directory numbers.The Cisco Unified Communications Manager Express will use the IP address 10.1 .130.1/24.Which two elements of the configuration are missing from the command output and need to be added so that phones do not auto-register, but can manually register with Cisco Unified Communications Manager Express? (Choose two.) A.ip address 10.1.130.1 B.no reg-ephone C.create profile D.ip source-address 10.1 .130.1 E.create cnf-files F.no auto-reg-ephone 3/5
Slide 5: The safer , easier way to help you pass any IT exams. Answer: DF 6.Your PSTN carrier sends digits to your T1 PRI circuit in a digit-by-digit format.How must the T1 PRI circuit be configured to support this capability? A.The T1 PRI controller supports either en-bloc or digit-by-digit formats natively. B.The serial interface that is associated with the T1 controller needs to include the isdn incoming-voice command. C.The T1 controller needs to include the isdn overlap-receiving command. D.The serial interface that is associated with the T1/E1 controller needs to include the isdn overlap-receiving command. Answer: D 7.Your PSTN carrier sends digits to your T1 PRI circuit in a digit-by-digit format.How must the T1 PRI circuit be configured to support this capability? A.The T1 PRI controller supports either en-bloc or digit-by-digit formats natively. B.The serial interface that is associated with the T1 controller needs to include the isdn incoming-voice command. C.The T1 controller needs to include the isdn overlap-receiving command. D.The serial interface that is associated with the T1/E1 controller needs to include the isdn overlap-receiving command. Answer: B 8.You have a Cisco Unified Border Element configured to provide H .323 to SIP interworking.Which command will verify that you have a single H .323 and a single SIP call leg when the call is placed? A.show call active voice B.debug voip ipipgw C.show dialpeer voice D.debug voice dialpeer Answer: A 9.Which QoS technology provides a strict priority queuing scheme that allows delay-sensitive data such as voice to be dequeued and sent before packets in other queues are dequeued, and also works with WFQ and CBWFQ. A.header compression B.IP RTP Priority and Frame Relay IP RTP Priority C.RSVP D.low latency queuing E.FRF.12 Answer: B 10.What is the decimal equivalent of the DSCP value AF21 ? A.16 B.17 C.18 4/5
Slide 6: The safer , easier way to help you pass any IT exams. D.21 Answer:C 5/5

   
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