How can you determine the manufacturer of a NIC card based on the MAC address?
a. The first 24 bits, known as the Organizationally Unique Identifier, identify the manufacturer.
b. The last 24 bits, known as the Organizationally Unique Identifier, identify the manufacturer.
c. The middle 24 bits, known as the Organization Universal Identifier, identify the manufacturer.
d. The first 12 bits and last 12 bits combined are known as the Organizationally Unique Identifier.
ANSWER: a
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Answer the following statements true (T) or false (F)
1. Public-key encryption is more secure from cryptanalysis than symmetric encryption. 2. Much of the theory of public-key cryptosystems is based on number theory. 3. Asymmetric algorithms rely on one key for encryption and a different but related key for decryption. 4. The encryption algorithm performs various transformation on the ciphertext. 5. If the authenticator is encrypted with the sender's private key, it serves as a signature that verifies origin, content, and sequencing.
On a desktop computer, F12 is the shortcut key to open the Save As dialog box.
a. true b. false