Answer:
Explained
Explanation:
Yes, I agree that digital signatures are the best way to protect the data in the date in question. A digital signature is mathematical technique used to validate the authenticity and integrity of a massage. Digital signature is far more inherent security. It is built to solve problems of tempering and impersonation of digital documents. It allows the authorized user to have authentic right, and the unauthorized person is denied access.
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Manually cleaning data is done manually which makes it challenging. This make it prone to mistakes.
Answer:
It will always return (completely sorted) after 99 data comparisons.
It will always require at least 99 comparisons
Explanation:
Answer: A) Phishing
Explanation:
Phishing is type of attack in computer field that is processed to hack or steal the data of authorized user.The attacker acts as trusted party and then interacts with the authorized user through email or messages to gain confidential information like pin code, credit card number, login details etc of that user.
- According to the question, colleague is experiencing phishing as he has been requested for pin-code and credit-card number from a wrong source behaving as authorized bank.
- Other options are incorrect because ransomware is attack that asks for ransom from authorized user for reviving their access. on system. Spoofing is falsifying as some other party to receive advantage.
- Mail poisoning is inclusion of inappropriate details in email such as invalid email address etc.
- Thus, the correct option is option(A).
