hardMultiple Choice
FC0-U71 Practice Question: Ensure that data transmitted between its web…
A company wants to ensure that data transmitted between its web server and clients is encrypted. Which protocol should be used?
⚠ Common exam trap
Many exam-takers confuse HTTP with HTTPS, assuming HTTP itself provides encryption, when in fact it is the TLS layer added on top that secures the communication.
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
✓
TLS
TLS (Transport Layer Security) is the correct protocol because it provides encryption for data in transit, ensuring confidentiality and integrity between a web server and clients. It operates over TCP and is commonly used to secure HTTP traffic as HTTPS, preventing eavesdropping and tampering.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
TLS
Why this is correct
TLS encrypts data in transit between the web server and clients, providing confidentiality and integrity over the network. This satisfies the requirement that transmitted data be encrypted, protecting credentials and content from interception during client-server communication.
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FTP
Why it's wrong here
FTP moves files between hosts and does not encrypt web server-to-client traffic. It is tempting because it is a common internet file transfer protocol, but it serves file transfer rather than HTTP sessions, and its plain form sends credentials and data unencrypted.
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SMTP
Why it's wrong here
SMTP transfers outbound email between mail servers and provides no encryption of web traffic between a server and its clients. It is tempting because it is a widely used internet protocol, but it operates at the mail transport layer, not the HTTP session layer where TLS would secure browser connections.
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HTTP
Why it's wrong here
HTTP transmits web content in cleartext, so data between the web server and clients is readable in transit. It is tempting because it is the protocol browsers use for web pages, but the encrypted variant, HTTPS, is what wraps HTTP in TLS to satisfy the requirement.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This FC0-U71 practice question is part of Courseiva's free CompTIA 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 FC0-U71 exam.