H11-811 HCNA-UC exam free questions online

1. About VoIP features, which of the following description is correct?

the transmission medium is PSTN network; the switching mode is circuit-switched; the bandwidth utilization is high

the transmission medium is IP network, the switching mode is packet switching, and the bandwidth utilization is high

the transmission medium is IP network, the switching mode is packet switching, and the bandwidth utilization is low

the transmission medium is PSTN network; the switching mode is circuit switched; the bandwidth utilization is low

2. The following about automated Attendant service, which is correct?

Configuring Auto Attendant can only use the script that the system comes with

Automated Attendant script can be edited

the greetings that are access to the meeting can not be customized

a voice channel is capable of storing a plurality of voice

3. Which of the following does not belong to the SIP protocol characteristics?

responsible to establish, release the session

IP-based network

Text-based protocol

transport layer protocol

4. U1900 Series Unified Gateway use pure SIP softswitch core. The integration level is high and narrowband integrated design, support the terminal access such as analog phones, IP phones, UC terminals.

True

False

5. About analog phones, which of the following statement is wrong?

the telephone line that connects the analog telephone includes Tip and Ring lines

analog telephone subscriber line signaling includes monitoring signaling and address signaling

the common used dialing singal includes DTMF and pulse DC

the monitoring signal on analog telephone subscriber line is common channel signaling

6. In the following types of cards, which can provide U1960 docking PSTN function?

SCU

ASI

MRS

OSU

7. The following statement about U1900 series unified gateway’s Bureau and Bureau selection code, which is correct?

add Bureau first then add Bureau selection code

the Bureau associates a specific intelligent routing policy

When you configure outgoing Bureau prefix, it will associate to the selected code

Bureau corresponds to Bureau selection code

8. About Passwords call restriction service, which of the following statement is correct?

The initial password is 123456

All users must first dial the password call restriction prefix, after entering the correct password then you can call

before the user who have already activated password call restriction service make any calls, must first dial the password call restriction prefix and enter the correct password

the users who haven’t activated password call restriction service can not make any calls

9. The bill server’s CDR file format is .bill suffix.

True

False

10. Enterprise administrators load audio files via FTP server. After the load is complete, where custom sound will always be saved?

in main SCU board’s SD card

in MTU board’s SD card

in the master SCU’s Flash

in MTU Board’s Flash

11. About U1900 series unified gateway’s Senior Manager Secretary Business, which statement is correct? (Multiple choice)

if configuring one business manager, two secretaries’ service, managers need to configure at least two accounts

support the configureation shared line

Support secretary directly call Manager

Support Manager Private line

12. In U1900 series unified gateway, about PRA relay clock configuration, which of the following statement is correct? (Multiple choice)

clock source can selectthe device itself or the remote device

Configuring clock is to prevent the phenomenon of sliding frame that caused by not synchronizing to the clock

If the U1900 relay docking with multiple devices via E1/T1, then each relay must configure clock source

If the clock is based on the device itself, you still need to configure the clock source

13. eSpace 7950 with a 7903X extension panel, such combinations has high power requirements, so in this scenario, eSpace 7950 can not use PoE power supply.

True

False

14. When held multi-party voice conference, what veneer does U1960 through to provide the venue?

MTU

ASI

DTU

SCU

15. In U1900 series unified gateway, when configuring SIP trunking, which of the following statement is correct?

different domain can correspond to the same IP address

the same domain name can correspond to different IP address

domain name and IP address must correspond

domain name must be in accordance with the SIP trunking peer configured domain name

16. Users dial * 128 #, but did not hear any prompt tone, then which of the following is the most likely reason?

SCU failure

MTU board failure

ATU board failure

BTU board failure

17. eSpace series telephones support local meetings , how much party local meeting does eSpace 6805,7910,7950 respectively support ?

3, 3. 3

3, 3, 6

3, 6, 6

3, 6, 12

18. Which of the following functions does U1900 Series Unified Gateway main control panel mainly have? ( ) (Multiple choices)

The original bill generated

SIP, H248 and other protocol processing and conversion

G.711, G.723 voice codec, etc.

TDM switching

19. A unit has a U1981, administrators to configure the main control panel internet access mode for three internet access mode , the IP address of internet access 1 and internet access 2 are respectively 192.168.1.2/24 and 192.168.8.3/24, which of the following statement are correct? (Multiple choice)

You must use 192.168.1.2 to access the Web management system , LMT command tree and command line

Through 192.168.1.2 or 192.168.8.3 can access the Web self-service system

To facilitate the management, administrator can change internet access 2 address to 192.168.1.3/24

IP phones registered address is 192.168.1.2/24

20. What does U1960 MTU board function have? (Multiple choice)

playback

meeting function

relay function

POTS telephone connection

HCNA-UC H11-811 Free Questions To Test Online

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