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Share some HCNA-UC H11-811-ENU exam questions and answers below.
The following options, ( ) represents the SIP responded client error.
A. 3xx
B. 2xx
C. 5xx
D. 6xx
Answer: B

In U1900 series unified gateway, there is SIP user configuration shown in Figure, which of the following statement is correct ? ( )
A. User 7000 can dial intra-office and local calls
B. User 7000 can only dial intra-office calls
C. in a particular period of time, user 7000 can dial domestic long distance calls
D. User 7000 can dial international long distance calls
Answer: A

In the eSpace UC solution, the analog phone in addition to the direct connect U1900 series gateway, which of the following components can be controlled by access to an IP network?
A. AppAgent
B. eSight
C. CDR
D. IAD
Answer: D

MTU board can support four E1/T1 interfaces, how to switch in E1 and T1 interfaces, whihch of the following statement is correct? ( )
A. only need in U1900 Web administration page, "quick configuration> configuration board" page, in the "parameter configuration> transfer mode" select E1 or T1, you can complete the switch
B. The default is E1 interface, switch to the T1, need to pull out the jumper cap inside the MTU board, also need to enter the Web management page to modify the configuration
C. The default is T1 interface, switch to the E1, which need to disconnect the MTU board jumpers, also you need to enter the Web page to modify the configuration management
D. None of the above
Answer: B

A company's voice requirements are as follows:
Requirement 1: If the incoming call through the SIP trunk calling number is 075584391000, then convert the calling number to 9555;
Requirement 2: intra-office number 7000 through SIP trunk call out, the caller needs to converted into 28887000;
The following configuration correct is ( ). (Multiple choice)
A. In the "relay management" page of the Web configuration page signed "relay configuration> advanced configuration> whether to do the calling number transformation , " select "Yes", and at the same time in the "Board to Configuration> number transformation index" configure corresponding number transformation , to simultaneously achieve the requirement 1 and requirements 2
B. In the "relay management" page of the Web configuration page signed "relay configuration> advanced configuration> whether to do the calling number transformation," " select "Yes", and at the same time in the "Board to Configuration> number transformation index" configure corresponding number transformation, to achieve requirements 1
C. In the "relay management" page of the Web configuration page signed "Board to Configuration> number transformation index" configure corresponding number transformation, at the same time to realize the requirements 1 and requirements 2
D. In the "relay management" page of the Web configuration page signed "Board to Configuration> number transformation index" configure corresponding number transformation ,to achieve requirements 1
E. In the "relay management" page of the Web configuration page signed "Board to Configuration> number transformation index" configure corresponding number transformation, in the "user management> SIP user" to modify the trombone of intra-office number 7000 as 28887000, outgoing prefix set "display calling trombone " to achieve requirement 2
Answer: BE

The purpose of RTP protocol in VoIP is ( ). (Multiple choice)
A. solve the out-of-order of packet transmission
B. restrain echo
C. to eliminate network jitter in the IP network transmission
D. to provide flow control and congestion control services
Answer: AC

About analog phones, which of the following statement is wrong?
A. the telephone line that connects the analog telephone includes Tip and Ring lines
B. analog telephone subscriber line signaling includes monitoring signaling and address signaling
C. the common used dialing singal includes DTMF and pulse DC
D. the monitoring signal on analog telephone subscriber line is common channel signaling
Answer: D

SIP users in the U1900 calls Bureau users, alerting the called number is incorrect, possible causes are ( ). (Multiple choice)
A. Bureau within prefix corresponding number length is too short
B. relay failure
C. the called number is not configured
D. U1900 MTU board failure
Answer: AC

About U1900 LMT maintenance tools function, which of the following statement is wrong? ( )
A. Real-time alarm display and query
B. Support U1900 version rollback
C. through the serial port to tune measurement U1900
D. Built-in TFTP/FTPS server
Answer: C

In the following types of cards, which can provide U1960 docking PSTN function?
A. SCU
B. ASI
C. MRS
D. OSU
Answer: D

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