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- The ISO (International Organisation for Standardisation) is an International standards organisation responsible for a wide range of standards including many that are relevant to networking.
- In 1984 in order to aid network interconnection with no necessarily requiring complete redesign the OSI (Open Systems Interconnection) reference model was approved as an international standard for communications architecture.
Q. What is Aspects of Security? - Security Attack: Any action whichcompromises the security of information owned by an organization. - Security Mechanism: A mechanism th
What is the Network Time Protocol? A protocol that makes sures accurate local timekeeping with reference to radio and atomic clocks located on the Internet. This protocol is c
What is the importance of implementing a Fault Tolerance System? Are there limitations? A fault tolerance system makes sure continuous data availability. This is done by elimin
Q. Illustrate about RSA Encryption? RSA Encryption - Public key encryption technique - Encryption steps: - Encode data to be encrypted as a number to create the pla
Throughput is a calculate of the rate at which data can be transmit through the network. The throughput capability of the underlying hardware is known bandwidth. Because every fram
Q. Define RS232 Interface? - Indicates the interface between DTE and DCE: V.28 mechanical as well as electrical characteristics V.24: functional as well as procedur
Types of Redundancy Checks Parity Check Simple Parity Check Two Dimensional Parity Check / Longitudinal Redundancy Check (LRC) CRC (Cyclic Redundancy Check)
Question : (a) Explain the ‘RAD' methodology with a suitable diagram. (b) One of the activities to be performed during Rapid Application Development is Rapid Business Analys
Q. Fiber-Optic Cable as transmission media? - Made of glass signals are transmit like light pulses from an LED or laser - Light is as well a form of electromagnetic energy
What is WDM? WDM is conceptually the similar as FDM, except that the multiplexing and demultiplexing includes light signals transmitted by fiber optics channel.
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