Why are certificates preferred over pre-shared keys in an IPsec VPN?

Question

Options

• AWeak security: PSKs can only have 112 bit length.
• BWeak Security: PSK are static and can be brute-forced.
• CWeak scalability: PSKs need to be set on each and every Gateway.
• DWeak performancE. PSK takes more time to encrypt than Diffie-Hellman.

• A
  6% (1)
• B
  83% (15)
• D
  11% (2)

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