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Q. What is an Error?
At any time bits flow from one point to another they are subject to unpredictable changes because of interference
The interference is able to change the shape of the signal thus the bit value either from -1? to -0? or from -0? to -1?
- The ISO (International Organisation for Standardisation) is an International standards organisation responsible for a wide range of standards including many that are relevant to
What is a difference between a domain and workgroup?
There are two dominant forms of building distributed systems: client-server systems, i.e. systems in which one machine acts as a server and act as clients; and peer-to-peer systems
What is Protocol Data Unit? The data unit in the LLC level is known as the protocol data unit (PDU). The PDU having of four fields a destination service access point (DSAP), a
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
What are major types of networks and explain? Server-based network: Give centralized control of network resources and depend on server computers to give security and network
The Internet Layer The internet layer is responsible for routing the data packets to the appropriate destination. Internet protocol (IP) is responsible for ensuring dat
Determine the rate of communication line The dog could carry 21 gigabytes or 168 gigabits. A speed of 18 km/hour that is equal to 0.005 km/sec. The time to travel the distance
What are advantages of having e-commerce over extranets
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
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