Ethernet,the protocol developed for LANs,also is used as a PSDN protocol.
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Q24: With symmetric encryption, different keys are used;
Q25: HTTPS is a protocol for secure communication
Q43: A Virtual Private Network creates the appearance
Q45: Public switched data network is a network
Q46: ATM protocol only supports data communications.
Q47: Use of SSL/TLS makes it safe to
Q50: Asymmetric encryption is simpler and much faster
Q51: Leased lines may be a good option
Q52: The ACL encodes the rules which contain
Q53: A channel is a virtual,private pathway over
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