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(ISC)2

CISSP-ISSAP · Question #163

You work as a Network Administrator for NetTech Inc. The company wants to encrypt its e-mails. Which of the following will you use to accomplish this?

The correct answer is A. PGP. PGP (Pretty Good Privacy) is the correct choice because it is specifically designed to encrypt and digitally sign email messages, providing end-to-end confidentiality and authentication for email communication. Why the distractors are wrong: PPTP (Point-to-Point Tunneling…

Architect for Application Security

Question

You work as a Network Administrator for NetTech Inc. The company wants to encrypt its e-mails. Which of the following will you use to accomplish this?

Options

  • APGP
  • BPPTP
  • CIPSec
  • DNTFS

How the community answered

(35 responses)
  • A
    86% (30)
  • B
    3% (1)
  • C
    9% (3)
  • D
    3% (1)

Explanation

PGP (Pretty Good Privacy) is the correct choice because it is specifically designed to encrypt and digitally sign email messages, providing end-to-end confidentiality and authentication for email communication.

Why the distractors are wrong:

  • PPTP (Point-to-Point Tunneling Protocol) is a VPN tunneling protocol used to secure network connections, not email content.
  • IPSec is a suite for securing IP-level network traffic (commonly used in VPNs), not for application-layer email encryption.
  • NTFS is a Windows file system - it handles local file permissions and encryption on disk, with no relation to email security.

Memory tip: Think "PGP = Protects Gmail and messages with Privacy" - any time an exam mentions encrypting email content specifically, PGP (or its open standard S/MIME) is your answer. If the question mentions network tunnels or VPNs, think PPTP or IPSec instead.

Topics

#PGP#Email Encryption#Asymmetric Cryptography#Cryptographic Protocols

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