Tech Support / L1-L3

Have you had conflicts at your previous job? Are you ready to work with difficult clients?

What motivates you to work at A1? What are your salary expectations?

How did your IP address appear on your network adapter? What is DHCP and how does it work?

What is DNS and how does it work?

What version of IP address is this? How does IPv4 differ from IPv6?

What is ping? How is it measured?

What is the difference between TCP and UDP?

Task: How many usable addresses are there in a /29 mask in IPv4?

What is the difference between a repeater and a Mesh network?

What is the difference between SSH and Telnet?

List the levels of the OSI model.

What is a subnet mask and what does it do? How many IP addresses are in a subnet with a 255.255.255.0 mask?

Role-playing game: a client calls with a complaint about the lack of internet. The connection from the provider to the router is fine. Help the client.

How do you access router settings?

Why are you interested in technical support? How do you see our work?

Which port is used in HTTP and HTTPS?

Tell us about the network protocol and the OSI model.

Have you used the Windows command line? Do you know the tracert/traceroute command?

Why did you decide to leave your previous job?