Certified in Cybersecurity
Domain 4Objective 1
4.1 - Understand Computer Networking CC Practice Questions (Page 2)
Part of the Network Security domain, which accounts for 24% of the CC exam. ISC2 does not publish an official question count, but from its 120-minute exam (~50–80 total, ~12–19 in this domain), expect 4–6 from this objective — we provide 24 practice questions to prepare you well beyond it. (estimate)
24questions here
5free pages
7concepts
24%of the exam
Questions 6–10
- 6
A company has a network with the IP range 192.168.1.0/24. They need to divide this into two subnets of equal size. What is the new subnet mask?
Select an answer first - 7
A security analyst is reviewing firewall logs and sees an outgoing connection from a workstation to a remote server on port 25. Which application is most likely being used?
Select an answer first - 8
Which protocol is used by email clients to retrieve messages from a mail server?
Select an answer first - 9
Which service uses port 53 by default?
Select an answer first - 10
A network technician is troubleshooting a connectivity issue where a user can access internal resources but not external websites. The technician verifies that the default gateway is reachable and that DNS resolution works. Which OSI layer is most likely causing the problem?
Select an answer first
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