Question

which of the following is true about a vpn?
answer
intranets and extranets often use vpns.
a vpn uses a private internet communications infrastructure.
the security of a vpn is similar to a public wi - fi connection.
extranets rarely use virtual private networks.
i dont know yet

Explanation:

To determine the correct answer, we analyze each option:

• Option 1: Intranets and extranets often use VPNs to establish secure private connections over public networks, which is correct.
• Option 2: A VPN uses a public internet infrastructure (not private) to create a secure private connection, so this is incorrect.
• Option 3: VPNs are more secure than public Wi - Fi (which is often insecure), so this is incorrect.
• Option 4: Extranets commonly use VPNs for secure external access, so "rarely use" is incorrect.
• Option 5: Is not a valid answer as we can determine the correct one.

Answer:

A. Intranets and extranets often use VPNs.