FC0-U71 Tech Concepts and Terminology Practice Question
A technician is reviewing network security concepts with a junior colleague. The colleague asks which of the following are characteristics of a virtual private network (VPN) used for remote access. (Choose two.)
⚠ Common exam trap
The trap here is assuming a VPN guarantees performance or removes authentication, when it actually adds encryption and typically strengthens authentication requirements.
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
✓
It encrypts data transmitted between the remote device and the VPN server.
Remote-access VPNs encrypt traffic between the client and the VPN server and let remote users reach internal resources as if they were on the local network. Bandwidth guarantees, elimination of authentication, and permanent public IP assignment are not VPN features. The two correct characteristics are encryption of transmitted data and transparent access to internal resources.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
It encrypts data transmitted between the remote device and the VPN server.
Why this is correct
A remote-access VPN creates an encrypted tunnel between the client and the VPN server, protecting data from interception as it crosses untrusted networks like the internet. This confidentiality is a core characteristic of VPNs. In this scenario, it is one of the correct features the colleague should understand when reviewing network security concepts.
- ✗
It replaces the need for any authentication on internal resources.
Why it's wrong here
VPNs actually enhance security and typically require authentication, such as usernames, passwords, certificates, or multifactor authentication, before granting access. They do not eliminate authentication for internal resources. This statement is false, so it should not be chosen when identifying VPN characteristics in this scenario.
- ✓
It allows a remote user to access internal resources as if they were on the local network.
Why this is correct
A remote-access VPN effectively extends the private network to the remote device, letting the user reach internal servers, file shares, and applications using private IP addresses. This transparent access is a defining benefit of VPNs. In this scenario, it is one of the correct characteristics the colleague should recognize when reviewing VPN functionality.
- ✗
It guarantees a minimum guaranteed bandwidth for all connected users.
Why it's wrong here
VPNs do not provide bandwidth guarantees. Throughput depends on the underlying internet connection, server capacity, and encryption overhead, and can vary widely. Claiming guaranteed bandwidth would be inaccurate. This is not a characteristic of a VPN, so it should not be selected when describing remote-access VPN features in this scenario.
- ✗
It permanently assigns a public IP address to the remote device.
Why it's wrong here
A VPN may assign a private IP address from the internal network pool, but it does not permanently assign a public IP address to the remote device. Public addressing is managed by the ISP or network edge, not by the VPN tunnel. This is not a characteristic of remote-access VPNs, so it should not be selected here.
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JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed September 2026 · checked against the official CompTIA exam blueprint
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