what is dedos? what is dos? what is virus? what is brute force?? what is ids? why to use it? what is ips? way to use it what is dedos? what is dos? what is virus? what is brute force?? what is ips? way to use it

not so mush levels just personal interview and quick test about some network questions, some protocols and some cyber security questions like common attacks, dos, ddos, least priviilage and some other common attack. the people there are very nice