Answer:
You need to install Windows 7 over an existing version of Windows.
Explanation:
Brainiest??
Answer:
a. Data flow diagrams and flowcharts are difficult to prepare and revise using software packages.
Explanation:
A data flow diagram is a graphical description of the source and destination of data that shows how data flow within an organization.
Documentation tools are used extensively in the systems development process.
Data flow diagrams and flowcharts are the two most frequently used systems development documentation tools. Also, documentation tools save an organization both time and money.
Answer: i just learned something new.
Explanation:
Answer:
message confidentiality
Two or more hosts communicate securely, typically using encryption. The communication cannot be monitored (sniffed) by non trusted hosts. The communication between trusted parties is confidential.
message integrity
The message transported has not been tampered with or altered. A message has integrity when the payload sent is the same as the payload received.
Sending a message confidentially does not guarantee data integrity. Even when two nodes have authenticated each other, the integrity of a message could be compromised during the transmission of a message.
Yes, you can have integrity of a message without confidentiality. One can take a hash or sum of the message on both sides to compare. Often we share downloadable files and provide data integrity using md5 hash sums.
Explanation:
