FTP uses two parallel TCP connections to transfer a file.
Coaxial cable consists of two concentric copper conductors.
If there are n signal sources of the same data rate, then the TDM link has _____ slots.
Sniffers can be prevented by using a _____________
The most flexibility in how devices are connected together is provided by bus topology.
Which of the following are application layer protocols?
Which protocol defines a profile of RTP that provides cryptographic services for the transfer of payload data?
Which of the following is a transport layer protocol?
What is the main difference between IPv4 and IPv6?
Which of the following are functions of ATM header subfields?