An enterprise is working with a third party and needs to allow access between the internal networks of both parties for a secure file migration. The solution needs to ensure encryption is applied to…

Question

Options

• AEAP
• BIPSec
• CSD-WAN
• DTLS

• A
  13% (4)
• B
  78% (25)
• C
  6% (2)
• D
  3% (1)

Explanation

IPSec (Internet Protocol Security) is the right choice because it operates at the network layer to encrypt and authenticate all IP traffic between two networks, making it ideal for site-to-site VPN tunnels between enterprise partners - exactly what a secure file migration across internal networks requires.

Why the distractors are wrong:

• A. EAP (Extensible Authentication Protocol) handles authentication frameworks (e.g., Wi-Fi logins), not network-to-network traffic encryption.
• C. SD-WAN (Software-Defined Wide Area Network) optimizes and manages WAN connectivity but does not inherently encrypt traffic between two parties' internal networks.
• D. TLS encrypts application-layer traffic (e.g., HTTPS) and requires application support - it doesn't blanket-encrypt all traffic traversing two networks at the infrastructure level.

Memory tip: Think "IPSec = IP-level Security tunnel." When a question involves encrypting all traffic between two networks (not just web traffic or just authenticating users), IPSec is the answer - it wraps everything at the packet level regardless of application.

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