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SSCP Practice Question: Ensure that employees connecting from home use a…

A company wants to ensure that employees connecting from home use a secure tunnel to access internal resources. Which protocol should be implemented?

⚠ Common exam trap

ISC2 often tests the distinction between SSH (a secure remote administration tool) and SSL/TLS VPN (a full remote access VPN solution), leading candidates to mistakenly choose SSH because they know it provides encryption, without realizing it does not create a comprehensive network tunnel for all internal resource access.

Answer choices

Why each option matters

Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.

Correct answer & explanation

SSL/TLS VPN

An SSL/TLS VPN creates an encrypted tunnel over HTTPS (port 443) between the remote user's browser or client and the corporate VPN gateway, securing all traffic to internal resources. This is the standard solution for remote access VPNs because it uses ubiquitous SSL/TLS protocols, avoids the need for IPsec client software, and can traverse firewalls and NAT devices easily.

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

  • SFTP

    Why it's wrong here

    SFTP is for secure file transfer, not for general network access.

  • Telnet

    Why it's wrong here

    Telnet is an unencrypted protocol and not suitable for secure remote access.

  • SSH

    Why it's wrong here

    SSH provides secure remote terminal access, not a general VPN tunnel for all applications.

  • SSL/TLS VPN

    Why this is correct

    A SSL/TLS VPN creates an encrypted tunnel for remote users to access internal resources securely.

Visual reference

Inside (Private) PC-A 10.0.0.1 PC-B 10.0.0.2 NAT Router Outside (Public) 203.0.113.1 Inside Global Server PAT: many private IPs share one public IP via unique port numbers

Quick reference

VPN Protocol Comparison

ProtocolPortEncryptionAuthenticationUse Case
IKEv2 / IPsecUDP 500 / 4500AES-256Certificates / PSKSite-to-site & remote access
SSL / TLS VPNTCP 443TLS 1.3Certificates / MFAClientless remote access
L2TP / IPsecUDP 1701AES (IPsec)PSK / CertificatesLegacy remote access
WireGuardUDP 51820ChaCha20Public keysModern high-performance VPN
PPTPTCP 1723MPPE (weak)MS-CHAPv2Legacy — avoid in production

PPTP is considered insecure. IKEv2/IPsec and SSL VPN are the current recommended options.

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JA

Written by Johnson Ajibi, MSc IT Security

Senior Network & Security Engineer · founder of Courseiva

This SSCP practice question is part of Courseiva's free ISC2 certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the SSCP exam.