Explain how cryptography is useful in each of the following.
a. protecting a system’s master list of passwords
b. protecting stored files
c. protecting vulnerable transmissions in computer networks
a. protecting a system’s master list of passwords
b. Most systems store files in plaintext form. Encryption would make the information
useless to someone who gained access illicitly to the files.
c. Most networks are vulnerable to an eavesdropper’s intercepting messages being
sent across the network. If the messages sent are encrypted, an eavesdropper
would not be able to understand them.
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A report allows you to enter, edit, and delete data
Indicate whether the statement is true or false
DTEs receiving frames with the __________ bits set try to reduce the flow of frames until con gestion clears
a. DE b. CIR c. CBIR d. BECN