The software that has no restrictions from copyright holder regarding modification of the software's internal and its redistribution is called an Open source software. They are being provided for use and redistribution for free, with no cost. They can be easily downloaded on the Internet.
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A. The most secure email message authenticity and confidentiality is provided by signing the message using the sender’s public key and encrypting the message using the receiver’s private key
Explanation:
Public key cryptography helps to send public key in an open and an insecure channel as having a friend's public key helps to encrypt messages to them.
The private key helps to decrypt messages encrypted to you by the other person.
<u>The most secure email message authenticity and confidentiality is provided by signing the message using the sender’s public key and encrypting the message using the receiver’s private key</u>
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Computer programmers may advance as project leaders or software developers.
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Need more info to be sure but it appears that pollution had a heavy effect.
Answer:
yea just call your bank and tell them
Explanation: