HCSP-Presales-Service(AICC) V1.0 H21-287_V1.0 exam vce dumps preparation

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

1. What does the term "codec" refer to in the context of AICC voice communications?

A) An algorithm that compresses and decompresses digital audio data.
B) A type of database used for storing recordings.
C) A device for connecting to the PSTN.
D) A protocol for call control.

2. In the context of AICC and SIP integration, what is the primary purpose of a Session Border Controller (SBC) in a security-focused design?

A) To provide load balancing exclusively for IVR media servers.
B) To replace the need for a CTI server by handling call control directly.
C) To act as a firewall for SIP/VoIP traffic, preventing topology hiding and mitigating SIP-based attacks.
D) To increase the audio codec bandwidth for better voice quality.

3. What is the key difference between "G.711" and "G.729" audio codecs?

A) G.729 is the standard for video calls, while G.711 is for audio only.
B) There is no significant difference.
C) G.711 provides higher audio quality but uses more bandwidth, while G.729 uses less bandwidth with slightly lower quality.
D) G.711 is used for recording, and G.729 is used for live calls.

4. What is the key difference between "synchronous" and "asynchronous" communication channels in AICC?

A) Asynchronous channels are only for internal use.
B) Synchronous (e.g., voice, video) requires parties to be present simultaneously; asynchronous (e.g., email, SMS) does not.
C) There is no significant difference.
D) Synchronous channels are faster than asynchronous channels.

5. In a multi-site AICC deployment with active-active data centers, which database replication method provides the lowest Recovery Point Objective (RPO) by synchronously writing transactions to both locations?

A) Snapshot replication
B) Asynchronous log shipping
C) Synchronous mirroring
D) Scheduled backup restoration

Solutions: