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PPTP use for encryption and authentication
State the difference between Byte streams and message Byte streams and message are different. In a message stream, network keeps track of the message boundaries. In a byte stre
What is the internal IP address There is a separate set of IP address for a company's internal use, more popularly known as "internal IP address" or subnet IP address. This IP
Sole Access Protocol The atomic operations, which have conflicts, are handled using sole access protocol. The process used for synchronization in this protocol is given below:
State about the Single Sign-On Intranet This Intranet, if managed efficiently, allows maximum security by firewalling anyone from inappropriate sites automatically. For exam
Q. What is Bipolar Encoding? - Uses three voltage levels negative, positive and zero - Zero level represents binary 0; 1s are represented with alternating positive and negat
Efficiency of a data communications system depends on three fundamental characteristics - Delivery: The system should deliver data to the correct destination. Data should be r
Q. Single Mode for transmitting optical signals? - Merely one beam from a light source is transmitted using a smaller range of angles - Smaller diameter as well as lower de
Q. What is Retransmission timer? Retransmission timer if an ACK is received previous to the timer goes off - destroy the timer if the timer goes off before ACK a
BRDGING BETWEEN BUILDINGS: If two buildings are placed far from each other, a bridge, a pair of fiber modems and an optical fiber may be used to locate two LANs as given in t
Screened Host Architecture This architecture consists of two host machines: a Screening Router and a Screening Host. Screening Router is placed between a local network and the
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