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Q. What do you understand by OSI?
Ans: The Open System Interconnection (OSI) reference model illustrates how information from a software application in one computer goes through a network medium to a software application in another computer. The OSI reference model is a basic conceptual model composed of seven layers, each indicate particular network functions. The model was designed by the International Standardization Organization (ISO) in 1984, and it is now considered the main architectural model for inter-computer communications.
Latency : In interconnection networks a variety of nodes may be at dissimilar distances depending upon the topology. The network latency differs to the worst-case time wait for a u
Gateway A device linked to multiple physical TCP/IP networks capable of routing or delivering IP packets among them. Router It's a layer 3 device that connects 2 diss
CONNECTION TO PACKET SWITCHES: A packet switch many join to devices and to other packet switches. But the speeds are different in both parts. There are typically high-speed j
Physical layers defines with synchronizing the 1s and 0s on the wire.
IEEE 802.4-Token bus Physical line or tree however logical ring. Stations know "left" as well as "right" stations. One token "passed" from station to station. Only station with
TCP (Transmission Control Protocol) and UDP are used by TCP/IP. SPX (Sequenced Packet Exchange) is used with IPX. NBP (Name Binding Protocol) is used with Appletalk.
ONE TO MANY
State about the Bus Topology Comments 1 - Requires less cabling than a star network 2 - If there is a central cable problem entire netwo. rk goes down 3 - Less e
Q. Explain the Types of Security Service? Security Services fall into one of the subsequent categories - Confidentiality: Confirms that the info in a system and transm
Q. What do you mean by OpenMP? OpenMP is a compiler directive based standard developed in late 1990s together by a group of main computer software and hardware vendors. It is p
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