The ________ is a store-and-forward packet-forwarding device used to interconnect a number of end systems to form a LAN segment.

In most programming languges you can pass as many arguments as you need to a function but you can only __________ one value.

Fill in the blank(s) with the appropriate word(s).

A(n) ____________________ is a combination of letters, numbers, and symbols that verifies your identity.

Fill in the blank(s) with the appropriate word(s).