firewall
TCP
One of the merits of power line communication is that it offers great flexibility to where computers and peripherals can be placed. The demerits of power line communication is that if not properly checked it can lead to death especially of children.
Message reliability refers to the ability of a communication system to deliver messages accurately and consistently without errors or loss of data. It ensures that messages are transmitted and received securely and in the intended format. Reliability is essential in maintaining the trust and effectiveness of communication channels.
If one need to know that their mode of communication is effective the wait for an reply from the receiver. If one want to know that if is it timely then compare it other modes of communication.
Communication is critical to organizations. It ensures all people within the organization understand the goals and the processes by which these goals will be achieved. Communication guides progress and helps to solve problems.
The communication cycle is the way in which a person communicates with another person. There are 6 stages to it which ensures a message is clearly given across to some one.
Hurt feelings can arise when things are not talked through. Effective communication ensures that problems do not stick around for years and that everyone is happy.
c) Authentication: It ensures thatcommunication from one node to other isgenuine. Only legitimate users can accessthe system and services. Two usedsystems are 'open system' and 'sharedkey'.(d) Availability: Availability ensures the serviceoffered by node will be available to its userswhen expected, in spite of attacks. Alsoonly legitimate users can access dataanytime.
it is a network data communication system where each of the device connected with it wait for their time to communicate. when they have the token, they got to communicate or sent transmission.
Ensures that control and signaling information flows properly and is received
Transport (Layer 4)
The communication cycle is the way in which a person communicates with another person. There are 6 stages to it which ensures a message is clearly given across to some one.