Updated Oct-2021 Test Engine to Practice Test for H11-879 Exam Questions and Answers!
HCIE-Enterprise Communication (Written) V1.0 Certification Sample Questions and Practice Exam
NEW QUESTION 16
The AR router provides SIP signaling tracking function, which needs to be checked in the diagnostic view. () Correct or Wrong
- A. Correct
- B. Wrong
Answer: A
NEW QUESTION 17
The public and private network traversal problems solved by the H.460 protocol mainly include () (multiple choice)
- A. Private network terminal calls public network terminal
- B. The private network terminal receives the media stream sent by the public network terminal
- C. The public network terminal receives the media stream from the private network terminal
- D. Public network terminal calls private network terminal
Answer: B,D
NEW QUESTION 18
In video systems, image processing uses RGB color space. () Right or Wrong
- A. Right
- B. Wrong
Answer: B
NEW QUESTION 19
How to order the recorded video on RSE6500 on the terminal side? ()
- A. When there is SC and routing has been configured, the terminal directly calls the IP address of RSE6500
- B. When there is no SC or SC is not configured with routing, the terminal directly calls the recording ID
- C. When there is no SC or SC is not configured with routing, the terminal calls RSE6500IP address##Recording ID
- D. When there is SC and routing is configured, the terminal directly calls the recording ID
Answer: C,D
NEW QUESTION 20
The terminal performs a remote audio loopback, and the audio code stream is encoded and decoded by the remote audio module. () Correct or Wrong
- A. Correct
- B. Wrong
Answer: A
NEW QUESTION 21
Huawei TE series terminals make point-to-point calls, and the video-related settings are all "automatic", the following statement. The correct one () (multiple choice)
- A. In the case of sufficient bandwidth, 720P30 format is preferred for the main video
- B. In the case of sufficient bandwidth, the main video is given priority to the 1080P60 format.
- C. In the case of sufficient bandwidth, the main video is given priority to the 1080P30 format
- D. In the case of sufficient bandwidth, 720P60 format is preferred for the main video
Answer: A,B,C
NEW QUESTION 22
H.264 encoding, the main reason for blocking is () (single choice)
- A. The macro block is in the intense motion area, the difference is big, resulting in obvious edges
- B. The quantization level of the coding block jumps, resulting in sudden brightness changes at the boundary
- C. Unreasonable division of macroblock coding modes, resulting in false edges
- D. Deblocking filter (Deblocking) is not strong enough, resulting in not smooth edges
Answer: B
NEW QUESTION 23
What technologies are adopted by TE series terminals to ensure the safety of signaling and media data? () (multiple choice)
- A. Support TLS protocol to ensure the security of HTTP, LDAP, FTP data transmission
- B. Provide a secure management channel through TELNET by default
- C. At the maintenance and management level, it supports password complexity checking and anti-brute force cracking mechanism
- D. Support H.235, SIP over TLS, SRTP at the same time to ensure the safety of signaling and media data
Answer: A,D
NEW QUESTION 24
Using the VPC620 camera, the OSD image interface image as shown in the figure appears on the display screen, the following description is correct () (multiple choice)
- A. This OSD interface is caused by the TV settings and needs to modify the TV configuration
- B. Press the delete button on the remote control twice in succession to cancel this OSD interface
- C. This OSD interface displays camera information, which is only displayed in local mode, not in remote mode
- D. Press the mode button of the camera to cancel this OSD interface
Answer: B,C
NEW QUESTION 25
After the terminal initiates a call and sends an ARQ message to GK, it receives an ARJ message. The possible reason for the call rejection is () (multiple choice)
- A. The called party refuses to answer
- B. The called is offline
- C. called busy
- D. Insufficient call bandwidth
Answer: B,D
NEW QUESTION 26
Which of the following factors will affect the clarity of the image? ()
- A. Noise reduction degree
- B. Contrast
- C. saturation
- D. Color space mode
Answer: A
NEW QUESTION 27
In the VoIP system, what are the factors that affect the quality of voice calls () (multiple choice)
- A. delay
- B. Jitter
- C. bandwidth
- D. Packet loss
Answer: A,B,C,D
NEW QUESTION 28
Phone A has been successfully registered to the U1900 system. At some point, unplug the network cable. At this time, log in to the U1900 system to check the registration status of phone A. The following statement is wrong ()
- A. The registration status of phone A in the U1900 system may remain unchanged
- B. The registration status of phone A in the U1900 system is updated, only after the network cable of phone A is unplugged, the change occurs after half of the registration period of phone A has passed
- C. The registration status of phone A in the U1900 system may change immediately
- D. The registration status of phone A in the U1900 system may change after a period of time
Answer: B
NEW QUESTION 29
SMC 2.0 + VP9650 MCU + TE50 terminal networking, manually configure the protocol and format of the conference template to H.264 720P 30F, but after convening the conference, it is found that all the conference sites have the protocol and format of H.264 4CIF. Is ().
- A. The ability of the main venue is set incorrectly, check whether the ability of the main venue reaches
- B. SMC 2.0 did not import the license. Re-import a valid license.
- C. VP9650 MCU port configuration error is caused, check the VP9650 MCU port configuration
- D. The account for scheduling conferences is not authorized enough. Use the admin account to log in and reschedule.
- E. 264 720P
Answer: C
NEW QUESTION 30
The standard auxiliary stream token management protocol recommended by the SIP protocol is () (single choice)
- A. INFO
- B. BFCP
- C. H.245
- D. H.239
Answer: B
NEW QUESTION 31
The SMC2.0 batch number allocation function supports the addition, modification and deletion of unmanageable sites, excluding ISDN sites () Correct or Wrong
- A. Correct
- B. Wrong
Answer: A
NEW QUESTION 32
The SMC2.0 resource pool solution can improve the reliability of the videoconferencing system. If the MCU in use suddenly goes down during a conference, which of the following principles will SMC2.0 choose to use as a backup MCU? () Multiple choice
- A. Same service area first
- B. MCUs with the same prefix are preferred
- C. Among all MCUs, the MCU with the most remaining resources is preferred
- D. The MCU with the most remaining resources in the same service area is preferred
Answer: A,B,D
NEW QUESTION 33
After adding the VP9650 MCU to the SMC2.0 in a manageable way, the MCU is offline. Which of the following descriptions is correct? () (multiple choice)
- A. The HTTP connection password on the SMC2.0 is inconsistent with the connection password setting on the MCU
- B. The SNMP mode setting of MCU is inconsistent with SMC2.0
- C. There is a firewall between MCU and SMC2.0, port 5000 may be blocked
- D. The MCU connection method is wrong, it may not be SMC2.0
Answer: C,D
NEW QUESTION 34
......
Certification dumps HCIE-Enterprise Communication H11-879 guides - 100% valid: https://www.passcollection.com/H11-879_real-exams.html
