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51.

Cryptographic algorithms are based on mathematical algorithms where these algorithms use ___________ for a secure transformation of data.(a) secret key(b) external programs(c) add-ons(d) secondary keyThis question was posed to me during a job interview.Question is from Types of Cryptography in division Cryptography in Security of Cyber Security

Answer» CORRECT answer is (a) secret key

The explanation: When plain TEXT is converted to unreadable format through some algorithms, that type of text is termed as cipher text. Cryptographic algorithms are BASED on mathematical algorithms where these algorithms use the secret key for a SECURE TRANSFORMATION of data.
Discussion
52.

When plain text is converted to unreadable format, it is termed as _____________(a) rotten text(b) raw text(c) cipher-text(d) ciphen-textThis question was addressed to me during an internship interview.My enquiry is from Types of Cryptography in division Cryptography in Security of Cyber Security

Answer»

The correct choice is (c) cipher-text

Best EXPLANATION: Cryptography HELPS in securing information in a SPECIFIC FORMAT so that only intended users can understand or process it. When plain text is converted to the UNREADABLE format, that type of text is termed as cipher-text.
Discussion
53.

______________ is a means of storing & transmitting information in a specific format so that only those for whom it is planned can understand or process it.(a) Malware Analysis(b) Cryptography(c) Reverse engineering(d) Exploit writingThe question was posed to me in homework.The origin of the question is Types of Cryptography topic in section Cryptography in Security of Cyber Security

Answer»

Correct option is (b) CRYPTOGRAPHY

To explain I would SAY: Cryptography is a means of storing & transmitting information in a specific format so that only those for whom it is PLANNED can UNDERSTAND or process it where “kryptos” means SECRET, “graphein” means to-write.
Discussion
54.

_________________ is the process or mechanism used for converting ordinary plain text into garbled non-human readable text & vice-versa.(a) Malware Analysis(b) Exploit writing(c) Reverse engineering(d) CryptographyThis question was addressed to me in class test.Enquiry is from Types of Cryptography in chapter Cryptography in Security of Cyber Security

Answer» CORRECT choice is (d) Cryptography

The EXPLANATION is: Cryptography is the process or mechanism USED for CONVERTING ordinary plain text into garbled non-human readable text & vice-versa. It is a MEANS of storing & transmitting information in a specific format so that only those for whom it is planned can understand or process it.
Discussion