Explain what is a firewall?
How are semaphores used?
Explain the basic difference between tcp/ip and osi model.
What is the core naming mechanism, domain name system (dns)?
What is ipconfig command?
What are the protocols used in Transport layer?
How many hosts can be on each network? Consider a fixed subnet partition of a class b network number that will accommodate at least 76 networks.?
How reliable is tcp?
In the TCP client-servel model, how does the three-way handshake work in opening connection?
Who uses semaphore?
What is port 445 commonly used for?
How do I check if port 22 is open?
How do you tell what ports are open on router?
How do I find my ip address?
How do you ipconfig all?