Networking and Security Quiz

Sophia is unable to resolve website addresses from her computer. Which port must be open on the firewall for DNS to work properly?

The cybersecurity team notices their company’s website is being overloaded by traffic from numerous unknown sources. What is the most likely cause?

A company in Berlin wants to prevent their internal IP structure from being exposed to the internet. What should they implement?

While investigating slow connectivity between office locations, Lucas uses a command-line tool that displays the path and delay time of each hop. What tool is this?

Isabella is assigned a /24 network but needs to divide it into smaller segments for different departments. What technique should she use?

Oliver wants to see which software on his laptop is using open TCP connections. What tool should he use?

Diego needs secure access to his company’s Linux server while working remotely. Which protocol should he use?

A network printer shared across departments is accessed using Windows sharing services. Which protocol enables this?

To keep public-facing services separate from the internal company network, the IT team places them in a special zone. What is this setup called?

Ethan sets up Wi-Fi at home and wonders why it’s considered less secure than a wired connection. What is the reason?