What is the primary purpose of a firewall in a network?

To detect and remove viruses from files

To control incoming and outgoing network traffic based on rules

To authenticate users accessing a system

To encrypt data stored on a hard drive

Which of the following is a common indicator of a phishing email?

The email contains a sense of urgency and asks for personal information

The sender's email address matches the company domain exactly

The email is sent during business hours

A law firm sends sensitive case documents to a client over the internet. The firm wants to ensure that if the data is intercepted during transmission, the attacker cannot read the contents, and that the data arrives exactly as it was sent. Which security measure should the firm implement?

Store the files on a password-protected USB drive

Encrypt the files before sending them

Send the files over a secure, encrypted connection

Use a digital signature on the files

A company's IT team notices that several computers are infected with a virus that spreads through email attachments. The team wants to prevent future infections. Which combination of measures should they implement?

Use strong passwords and two-factor authentication

Implement a firewall and encrypt all email

Back up data daily and use a password manager

Install antivirus software and train employees not to open suspicious attachments

CompTIATech+

Domain 6Objective 1

Security Concepts FC0-U71 Practice Questions (Page 3)

Part of the Security domain, which accounts for 19% of the FC0-U71 exam. CompTIA does not publish an official question count, but from its 60-minute exam (~25–40 total, ~5–8 in this domain), expect 1–2 from this objective — we provide 40 practice questions to prepare you well beyond it. (estimate)

40questions here

8free pages

15concepts

19%of the exam

Questions 11–15

11foundation · easy
Which security goal is concerned with ensuring that data has not been altered or corrupted during storage or transmission?
Select an answer first
12foundation · easy
What is the primary purpose of a firewall in a network?
Select an answer first
13foundation · easy
Which of the following is a common indicator of a phishing email?
Select an answer first
14application · medium
A law firm sends sensitive case documents to a client over the internet. The firm wants to ensure that if the data is intercepted during transmission, the attacker cannot read the contents, and that the data arrives exactly as it was sent. Which security measure should the firm implement?
Select an answer first
15expert · medium
A company's IT team notices that several computers are infected with a virus that spreads through email attachments. The team wants to prevent future infections. Which combination of measures should they implement?
Select an answer first

Finished these 5 questions?

Review the revealed explanations, or continue through the curriculum.

Next 5 questions →Back to FC0-U71

Free Basic Practice is a study aid with revealable answers — not a scored exam. Examers.io is independent and not affiliated with or endorsed by CompTIA. “FC0-U71” is a trademark of its owner, used for identification only.