Which of the following descriptions of firewall characteristics is correct?

Question

Options

• AA firewall can prevent unauthorized information from the external network from being sent to the
• BThe firewall is a comprehensive security device with a variety of security features and can defend
• CFirewalls can protect against all external network threats
• DThe firewall has an anti-virus function, so there is no need to deploy an anti-virus system in the

• A
  69% (18)
• B
  15% (4)
• C
  4% (1)
• D
  12% (3)

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