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Huawei HCSA-Presales-IP Network Certification V3.0 Sample Questions:

1. Which of the following statements is FALSE about geographic redundancy of controllers in Huawei's SD-WAN solution?

A) The active and standby clusters run at the same time and can both provide services properly. Data is synchronized between the two clusters in real time to ensure data consistency.
B) Huawei SD-WAN controller active/standby solution supports only one active cluster and one standby cluster.
C) The northbound and southbound interfaces or platforms of the controllers use the same domain name or IP address. Tenants and devices use this domain name or IP address to access the activecontroller cluster. After an active/standby switchover, traffic is automatically switched to the new active cluster.
D) Geographic redundancy supports disaster recovery backup between two clusters. The number of nodes in the active cluster must be the same as that in the standby cluster.

2. SIMULATION
Huawei's data center autonomous driving network solution supports simulation and verification only for overlay networks, which prevents manual errors.

A) FALSE
B) TRUE

3. Enterprise networks, no matter campus networks or DCNs, are facing a lot of potential attacks. What are the common types of attack methods we are facing?

A) Command line injection
B) Cross-site attacks
C) Remote code execution
D) Brute-force attacks

4. In 2021, China Communications Standards Association (CCSA) released the IPv6 Enhanced standard system, and Huawei helped set up the IPv6 national standard team.

A) FALSE
B) TRUE

5. Which of the following statements are TRUE about network service quality?

A) Latency refers to the time required to transmit a packet from the transmit end to the receive end.
B) Jitter, also called latency variation, refers to the difference in latencies of packets in the same flow.
C) Bandwidth, also called throughput, refers to the maximum number of data bits transmitted between two ends within a specified period (1 second) or the average rate at which specific data flows are transmitted between two network nodes. Bandwidth is expressed in bit/s.
D) The packet loss rate refers to the percentage of total sent packets that are lost during transmission.

Solutions: