WAC can switch to cloud mode by switching the registration center. By default, what are the domain name and port number of the registration center preset by TAC?

Question

Options

• Aregister.huawei.com: 10021
• Bregister, naas.huawei.com: 10020
• Cregister, naas.huawei.com: 10021
• Dregister.huawei.com10020

• A
  9% (2)
• B
  82% (18)
• C
  5% (1)
• D
  5% (1)

Explanation

Option B is correct because Huawei's TAC (Terminal Access Controller) presets the cloud registration center domain as register.naas.huawei.com on port 10020 - this is the default endpoint WAC uses when switching to cloud mode via the registration center configuration.

Why the distractors are wrong:

• A uses the wrong domain (register.huawei.com instead of register.naas.huawei.com) and the wrong port (10021 instead of 10020) - two errors.
• C has the correct domain (register.naas.huawei.com) but uses port 10021, which belongs to a different service or context, not the default cloud registration.
• D has the correct port (10020) but uses the wrong domain (register.huawei.com) and is also missing a separator, making it malformed.

Memory tip: Associate naas (Network-as-a-Service) with Huawei's cloud platform - the "naas" subdomain tells you this is the cloud/NaaS endpoint - and remember 10020 as the "cloud mode" port (one digit lower than the incorrect 10021 distractor, so if you're torn between the two ports, go with the lower one for cloud registration).

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