Many password-protected OSs and applications store passwords in the form of which type of hash values?

Which type of routing protocol advertises only new paths to other routers on the network?

a. Link-state routing protocol b. Routing table protocol c. Path-vector routing protocol d. Distance-vector routing protocol

Closed user groups

a. require call-back devices to operate b. allow a secure network within a public packet data network c. offer special error checking functions for certain users d. are not more secure than a dial-up phone connection