Free CompTIA Network+ practice test
10 real Network+ questions, playable right now. No account, no card, no email gate. Every answer opens the full explanation: the concept, why the right option is right, and why each wrong option is wrong, cited to CompTIA’s own documentation.
Sample question 1 of 10
Which Windows Server DNS feature ensures data integrity and authenticity of DNS responses, helping prevent attacks such as cache poisoning?
Sample question 2 of 10
A protocol stack documents four layers instead of the OSI model's seven, and folds OSI's top layers into one. Which two OSI layers does that single layer combine?
Sample question 3 of 10
An administrator configures a small access-layer switch at the network edge as the spanning tree primary root device to speed up convergence for a branch office. Which documented guideline does this configuration violate?
Sample question 4 of 10
A network engineer explains to new staff that SNMP, as defined in RFC 1157, allows management information for a network element to be inspected or altered by which type of user?
Sample question 5 of 10
An engineer inspects an IPsec packet and finds the ESP header sitting before an encapsulated IP header. Which mode is in use?
Sample question 6 of 10
A DHCP scope exhaustion is solved at one site on a Friday. Two months later the same symptom appears at another site, worked by a different technician. What lets the second technician start from what was already learned?
Sample question 7 of 10
A protocol analyzer captures a UDP datagram whose checksum field reads all ones (0xFFFF). According to RFC 768, what does this value indicate about the sender's checksum computation?
Sample question 8 of 10
Which characteristic best describes OSPF, according to RFC 2328?
Sample question 9 of 10
A security analyst captures raw syslog packets and inspects the bracketed value that appears before the timestamp in each message. Per RFC 3164, what information is carried inside this value?
Sample question 10 of 10
An operator runs twelve VPN and wireless access servers, each holding its own account list. Which benefit does moving to RADIUS deliver?
Full Network+ question bank coming
We’re writing the complete bank from the official objectives right now. Leave your email and we’ll tell you when it ships, nothing else, ever.
What this test covers
These 10 questions are drawn across the published exam blueprint rather than from one chapter: this set touches Network Troubleshooting, Networking Concepts, Network Implementation, Network Operations, Network Security. Every question is original, written from the official objectives, and verified against a cited vendor page before it serves. None are recalled exam content, which is why the explanations can cite their sources.
A ten-question sample tells you where you stand, not whether you are ready. The full experience is numbered practice exams: 90 questions apportioned to the official domain weightings, sat under the real 90-minute clock and scored against the published cut score.
Keep reading
Network+ practice questions
Free sample questions with the full explanation on every answer.
Network+ exam objectives
The full official blueprint, with practice pages on covered objectives.
Network+ passing score
The exact cut score, what kind of number it is, and the retake terms.
How hard is Network+?
An honest difficulty read from the format, the clock and the weights.
Common Ports & Protocols
A printable reference table, free.
CCNA Subnetting Reference
A printable reference table, free.
Network+ vs CCNA
Side by side on cost, difficulty, and which one to take first.