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QUESTION 1
U1900 and the original traditional PBX can be connected through () to protect customers\’ early investment () (Multiple
choice)
A. AT0
B. PRA
C. SIP
D. H.323
Correct Answer: ABC
QUESTION 2
In the H.460 public-private network traversal network, which of the following functions does TS need to have? ()
A. NAT
B. GK Server
C. GW Server
D. H.460.19 Server
Correct Answer: C
QUESTION 3
When the number of bills exceeds the limit of the number of bill pools of the U1900 unified gateway, which statement is correct? () (multiple choice)
A. can be set to choose to overwrite old bills
B. can be set to discard new bills
C. It may cause the unified gateway to fail to register new users
D. May cause all users to be unable to initiate calls
Correct Answer: ABD
QUESTION 4
SMC2.0 added TE terminal search in a manageable way to 10%, unable to continue, possible reasons are () (multiple
choice)
A. SNMP V2C read community name or SNMP V3 user encryption method is inconsistent
B. SNMP V2C read community name or SNMP V3 user password is inconsistent
C. Device SNMP is not enabled
D. API account or password issue
Correct Answer: ABC
QUESTION 5
H.264 encoding, the main reason for blocking is () (single choice)
A. The macroblock 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
Correct Answer: B
QUESTION 6
Add active and standby SCs on SMC2.0, which of the following statements is correct () (multiple choice)
A. The license information of the active SC and the backup SC must be the same
B. In the process of SC active/standby configuration, the “Mode” parameter indicates the working status of the SC, the
“Mode” value is 1 for standby, and the “Mode” value is 2 for active
C. The service IP is a virtual IP. The active SC and the standby SC share this virtual service IP to provide external
registration and call services
D. The management IP address and service IP address of the active SC can be in two different network segments
Correct Answer: ACD
QUESTION 7
One codec rate is 64kbps, and the packaging time is 20ms. What is the IP band occupied by the codec? The width is ()
kbps (Note: IP/UDP/RTP header is 40 Bytes, here 1kbps=1000bps)
A. 83.6
B. 76.6
C. 90.4
D. 80
Correct Answer: D
QUESTION 8
In the H.460 public and private network traversing dual SC networking, the communication between the terminal and
Client GK follows the () protocol (Single choice)
A. H.460
B. H.323
C. H.460.18/19
D. Q.931
Correct Answer: A
QUESTION 9
If AAC_LD uses a coding rate of 48kbps and a packing time of 20ms, what is the IP bandwidth occupied by the codec ()
kbps
A. 80
B. 74.4
C. 64
D. 76.6
Correct Answer: C
QUESTION 10
The human eye is more sensitive to brightness than to color. () Correct or Wrong
A. Correct
B. Wrong
Correct Answer: A
QUESTION 11
In the SIP protocol, the Cancel transaction can be used to cancel the Update transaction. () Right or Wrong
A. Right
B. Wrong
Correct Answer: B
QUESTION 12
An enterprise has purchased 3 U1960s, and the number of IP phone users is about 2500. Which networking method is
suitable for these 3 U1960s? () (single choice)
A. Multi-node centralized call management networking
B. Peer-to-peer distributed call management networking
C. Convergent Distributed Call Management Network
Correct Answer: B
QUESTION 13
Which of the following methods can reset the web login password of the TE terminal? () Multiple choice
A. When the system is just started, long-press the mode button of the TE30 terminal
B. When the system is running normally, long-press the Reset button on the TE60 terminal
C. Login to the TE40 terminal via SSH and enter web password 0
D. Restore factory settings via remote control
Correct Answer: ABCD
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The free Huawei H11-879 exam PDF is shared from Lead4Pass. You can download the practice online. To get the complete Huawei H11-879 exam questions and answers, please choose Lead4Pass. We update all exam questions and answers in real-time throughout the year to ensure immediate validity.