CompTIA(A+,NETWORK+,SECURITY+)
CERTIFICATION EXAM 2024 PRACTICE 100
QUESTIONS AND ANSWERS GRADED A+
1. What is the primary function of a firewall?
Answer: To monitor and control incoming and outgoing network traffic based on
predetermined security rules.
2. Which protocol is used to securely transfer files over a network?
Answer: SFTP (Secure File Transfer Protocol).
3. What does BIOS stand for?
Answer: Basic Input/Output System.
4. Which type of malware is designed to replicate itself and spread to other
systems?
,CompTIA CERTIFICATION EXAM 2024
Answer: Worm.
5. What is the main purpose of a VPN?
Answer: To create a secure connection over a less secure network, such as the
internet.
6. What does RAID stand for?
Answer: Redundant Array of Independent Disks.
7. Which layer of the OSI model is responsible for logical addressing?
Answer: Network layer.
8. What is the primary purpose of DHCP?
Answer: To automatically assign IP addresses to devices on a network.
9. What is the difference between a switch and a router?
, CompTIA CERTIFICATION EXAM 2024
Answer: A switch connects devices within the same network, while a router
connects different networks.
10. What does DNS stand for?
Answer: Domain Name System.
11. Which protocol is used for email transmission?
Answer: SMTP (Simple Mail Transfer Protocol).
12. What is the maximum length of a CAT5e Ethernet cable?
Answer: 100 meters (328 feet).
13. What is the primary purpose of an IDS?
Answer: To detect suspicious activity and potential threats on a network.
14. What does the acronym IP stand for?
Answer: Internet Protocol.
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