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300
Practice questions
5
N10-009 domains
90
Real exam questions
May 2026
Last reviewed
N10-009 · 90 questions · 90 min · passing score 720/900
The real reason candidates miss Network+
Network+ questions often give you three partial mitigations and one action that actually removes the root weakness. The exam tests whether you choose the clean fix first. AnyCert trains that pattern.
During a security review you find Telnet enabled on several routers. What is the most appropriate first action to harden these devices?
Implement multi-factor authentication for all Telnet users.
MFA adds friction, but it leaves the clear-text protocol in place.
Configure an access control list to restrict Telnet access to specific IP addresses.
ACLs reduce exposure, but the management session is still Telnet and still unencrypted.
Disable Telnet and enable SSH.
SSH removes the insecure protocol and replaces it with encrypted remote management.
Update the Telnet server software to the latest version.
Patching a weak protocol is not the same as removing the root weakness.
The pattern
Network+ loves answers that all look more secure than the current state. Only one removes the actual problem. The bank drills the difference between a partial mitigation and the right fix.
Sample questions
Every answer review is built to explain the correct choice, the trap answer, and the next study move.
Thousands of IoT sensors will send small, periodic status updates. Which transport‑layer protocol provides the lowest overhead for this traffic?
A. TCP
B. FTP
C. UDP
D. HTTP
UDP is connectionless and adds no handshaking or reliability overhead, making it ideal for lightweight, periodic sensor data where occasional loss is acceptable.
A company is deploying a WPA2-Enterprise wireless network that must allow mobile devices to roam quickly between access points without performing a full 802.1X authentication each time. Which IEEE standard provides this fast, secure roaming capability?
802. 11r Fast BSS Transition (FT) pre‑authenticates devices and establishes security associations before handoff, eliminating the need for full 802.
During a security audit you find several devices still using factory default credentials. What is the first action you should take to remediate this risk?
Changing every default password to a unique, complex one immediately removes the most exploitable weakness before any additional controls are added.
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Question 44 - Network Security
Telnet is enabled on routers. What should you do first to harden them?
Your answer: Restrict Telnet with an ACL.
Correct: Disable Telnet and enable SSH.
Why is the ACL not enough if only admins can reach the routers?
Because Telnet is still clear text. An ACL limits who can connect, but it does not protect the session itself. The first hardening move is to remove the insecure protocol.
So what does Network+ usually want in questions like this?
The control that fixes the root issue, not the add-on that makes a bad setup slightly less bad.
Content trust
CompTIA does not test trivia in isolation. It tests whether you know the best next move. Here is what is in the bank.
Mapped to all 5 N10-009 domains
Networking Fundamentals, Network Implementations, Network Operations, Network Security, and Network Troubleshooting.
90-question, 90-minute exam shape
You train the exact operational calls Network+ asks: protocol choice, hardening moves, troubleshooting order, wireless standards, and infrastructure fit.
300 current practice questions
You get 300 N10-009 questions across cabling, routing, switching, wireless, security, and troubleshooting - all in one focused path.
Why-right / why-wrong explanations
Every explanation names why a partial mitigation looked appealing and why it still loses to the clean fix the exam wants.
For teams
Help desk cohort, network team, or employer-funded upskilling group? Invoiced billing, seat management, and SSO on request - same refund per seat.
The five questions candidates actually ask before buying Network+ prep.
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