CompTIA Network+ (N10-009) - 340 Questions

1. A network technician is explaining the OSI model to a new hire. Which layer of the OSI model is responsible for logical addressing and routing packets between different networks?

2. A network administrator needs to identify which OSI layer is responsible for establishing, managing, and terminating sessions between applications. Which layer should the administrator focus on?

3. During a network audit, a technician discovers that a device is operating at Layer 2 of the OSI model and uses MAC addresses to forward frames within the same network. Which device is being described?

4. A company is deploying a web application that requires encrypted communication. A developer asks which port HTTPS uses by default. What is the correct answer?

5. An administrator needs to configure a server for secure remote management using a command-line interface. Which port must be open on the firewall to allow SSH connections?