Free CompTIA Network+ (N10-009) practice questions

Question 01

Which protocol and port allow Windows file and printer sharing over a network?

Question 02

A network engineer configures a service to send log messages to a centralized collector. Which default port is typically used for syslog?

Question 03

A technician determines that after a change, users on one VLAN lost internet access because the VLAN's gateway IP was accidentally changed on the router but not on the clients' DHCP option. What is the cause?

Question 04

What distinguishes a rogue access point from an evil twin?

Question 05

Latency on a link is BEST described as:

Question 06

Which device provides content caching and can serve as a security boundary by presenting itself to external clients on behalf of internal servers?

Question 07

After confirming a theory of probable cause is correct, what is the NEXT step in the troubleshooting methodology?

Question 08

What is the primary purpose of a VLAN on a switch?

Question 09

A technician confirms that a suspected faulty patch panel port is the cause when moving the same cable to a different panel port fixes the issue. What should the technician do NEXT per the methodology?

Question 10

Which 802.11 standard operates in both the 2.4 GHz and 5 GHz bands and is also branded as Wi-Fi 6?

Question 11

A technician observes that a specific server's throughput to clients is capped and the server NIC shows it negotiated at half duplex while the switch shows full duplex. What is the MOST appropriate fix?

Question 12

An asset reaching end-of-life should be prioritized for replacement primarily because: