Computer Fundamental Miscellaneous - Study Mode

[#316] What is the most common tool used to restrict access to a computer system?
Correct Answer

(B) Passwords

Explanation

Solution: Passwords is a common tool used to restrict access to a computer system. The passwords stored in the Google Chrome app are linked to your Google account, so you can access them through Google Chrome on a Mac or PC as well.

[#317] Hardware or software designed to guard against unauthorized access to a computer network is known as a(n):
Correct Answer

(B) Firewall

Explanation

Solution: Hardware or software designed to guard against unauthorized access to a computer network is known as a(n) Firewall. A Firewall is a network security device that monitors and filters incoming and outgoing network traffic based on an organization's previously established security policies.

[#318] The scrambling of code is known as:
Correct Answer

(A) Encryption

Explanation

Solution: The scrambling of code is known as encryption. It is the process of converting information or data into a code, especially to prevent unauthorized access.

[#319] If you want to secure a message, use a(n):
Correct Answer

(D) Cryptosystem

Explanation

Solution: A cryptosystem is a structure or scheme consisting of a set of algorithms that converts plaintext to ciphertext to encode or decode messages securely. To help keep data secure, cryptosystems incorporate the algorithms for key generation, encryption and decryption techniques.

[#320] A storage area used to store data to a compensate for the difference in speed at which the different units can handle data is
Correct Answer

(B) Buffer

Explanation

Solution: A buffer, also called buffer memory, is a portion of a computer's memory that is set aside as a temporary holding place for data that is being sent to or received from an external device, such as a hard disk drive (HDD), keyboard or printer.