SY0-701 Question #663: Real Exam Question with Answer & Explanation

Question

Which of the following is the best way to provide secure, remote access for employees while minimizing the exposure of a company's internal network?

Options

• AVPN
• BLDAP
• CFTP
• DRADIUS

Explanation

A VPN (Virtual Private Network) is correct because it creates an encrypted tunnel between a remote employee's device and the company network, authenticating users and shielding internal resources from direct internet exposure - exactly what "secure remote access with minimal network exposure" describes.

Why the others are wrong:

• B. LDAP is a directory/authentication protocol for looking up users and resources (like Active Directory queries) - it's not a remote access solution.
• C. FTP transfers files over a network but is notoriously insecure (credentials sent in plaintext) and provides no network-level access control.
• D. RADIUS is an authentication, authorization, and accounting (AAA) server protocol - it supports access control decisions but doesn't itself provide the secure tunnel or remote access capability.

Memory tip: Think of a VPN as a private hallway through a public building - outsiders see you enter the building, but they can't see or access the hallway you're walking through. LDAP finds the directory, RADIUS checks your ID at the door, FTP carries your luggage - but only the VPN is the secure hallway.

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