Which of the following is the correct user name format for a firewall virtual system?

Question

Options

• AVirtual system name@@administrator name
• BAdministrator name@@virtual system name
• CAdministrator name@virtual system name
• DVirtual system name@administrator name

• A
  13% (2)
• B
  80% (12)
• D
  7% (1)

Explanation

Option B uses the correct syntax administrator name@@virtual system name (e.g., admin@@vsys1), which is the required format on platforms like Huawei USG firewalls when authenticating to a specific virtual system. The double @@ separator is what signals to the firewall that the trailing token identifies a virtual system context rather than a domain or other qualifier.

Why the distractors are wrong:

• A (Virtual system name@@administrator name) reverses the order - credentials come first, context second.
• C (Administrator name@virtual system name) uses a single @, which is typically reserved for domain-based logins (e.g., user@domain), not virtual system selection.
• D (Virtual system name@administrator name) is wrong on both counts - reversed order and single @.

Memory tip: Think of it as who then where, with a double @@ to mean "virtual." You are the administrator (admin@@) logging into the virtual system (vsys1). The extra @ visually signals "extra layer" - i.e., a virtualized environment.

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