How do I know if my ftp port 21 is blocked?
How reliable is tcp?
Explain which layer is closer to the user?
How can I tell if a port is blocked?
Do I need a dedicated ip?
What is port 445 commonly used for?
How will my computer get its ip address?
Is bash posix compliant?
Explain how can we detect that the other end of a tcp connection has crashed? Can we use "keepalives" for this?
What is the full form of osi and tcp/ip model?
How can I see all devices on my network?
What is my router ip?
How does tcp try to avoid network meltdown?
What is ip multicast?
Explain how names are translated (resolved) into ip address?