Explain OSI model and why it is used?
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how to check memory size in Linux?
Explain OSI model
Diversas perguntas comportamentais e de cálculo
What is an ARP table and how is it used?
How do you create a folder in Linux command line? If a mobile device is not connecting to Wifi and can be the issues? (wireless card drivers, etc) Would you "snitch" on an employee? (yes and explain the ethical reason why)
Explain differences between "sudo" and "su"?
Explain the differences between hub, switch and router. Which OSI layers are they working on?
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Tell me about a time you failed
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