Explore topic-wise MCQs in Cryptography and Network Security.

This section includes 17 Mcqs, each offering curated multiple-choice questions to sharpen your Cryptography and Network Security knowledge and support exam preparation. Choose a topic below to get started.

Explore topic-wise MCQs in Cryptography and Network Security.

Reduce the following big-O natations:

The estimated computations required to crack a password of 6 characters from the 26 letter alphabet is-

An encryption scheme is unconditionally secure if the ciphertext generated does not contain enough information to determine uniquely the corresponding plaintext, no matter how much cipher text is available.

Division of (131B6C3) base 16 by (lA2F) base 16 yeilds –

In base 26, multiplication of YES by NO gives –

Dividing (11001001) by (100111) gives remainder –

Divide (HAPPY)26 by (SAD)26. We get quotient –

AN_ENCRYPTION_SCHEME_IS_UNCONDITIONALLY_SECURE_IF_THE_CIPHERTEXT_GENERATED_DOES_NOT_CONTAIN_ENOUGH_INFORMATION_TO_DETERMINE_UNIQUELY_THE_CORRESPONDING_PLAINTEXT,_NO_MATTER_HOW_MUCH_CIPHER_TEXT_IS_AVAILABLE.?$

The_estimated_computations_required_to_crack_a_password_of_6_characters_from_the_26_letter_alphabet_is-$

Division of (131B6C3) base 16 by (lA2F) base 16 yeilds ‚Äö√Ñ√∂‚àö√ë‚àö¬?#

In base 26, multiplication of YES by NO gives ‚Äö√Ñ√∂‚àö√ë‚àö¬®$

The time required to convert a k-bit integer to its representation in the base 10 in terms of big-O notation is

pi in terms of base 26 is

Dividing (11001001) by (100111) gives remainder ‚Äö√Ñ√∂‚àö√ë‚àö¬®$

Divide (HAPPY)26 by (SAD)26. We get quotient ‚Äö√Ñ√∂‚àö√ë‚àö¬®$

If the sender and receiver use different keys, the system is referred to as conventional cipher system.

In brute force attack, on average half of all possible keys must be tried to achieve success.