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Huawei H21-287_V1.0 Exam Syllabus Topics:

Huawei HCSP-Presales-Service(AICC) V1.0 Sample Questions:

1. What is the purpose of a "keepalive" mechanism in the SIP protocol between the AICC system and a SIP trunk provider?

A) To ensure the audio quality remains high.
B) To synchronize the clocks between the two systems.
C) To maintain NAT traversal and detect connection failure quickly.
D) To transfer call control signals.

2. What is the main technical advantage of using "OPUS" as an audio codec for VoIP in AICC?

A) It is the oldest codec and has the widest compatibility.
B) It uses the most bandwidth, guaranteeing the best quality.
C) It is a versatile codec that provides high quality at low bitrates and is well-suited for variable network conditions.
D) It is only used for video calls.

3. When integrating AICC with a custom application using web services (SOAP/REST), what is the critical security consideration for the data in transit?

A) Using XML instead of JSON for data format.
B) Implementing mutual TLS (mTLS) authentication and encryption.
C) Ensuring the application server has a fast CPU.
D) Using HTTP for faster performance.

4. Which network topology is most suitable for connecting multiple regional contact centers to a central AICC infrastructure?

A) A star topology with the central site as the hub.
B) A ring topology where each site is connected to two others.
C) A mesh topology where every site is connected to every other site.
D) A bus topology where all sites are connected in a line.

5. The primary function of a Session Border Controller (SBC) in an AICC network is to increase the compression ratio of voice codecs to save bandwidth.

A) False
B) True

Solutions: