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What is Cryptography?

  What is Cryptography? Cryptography is protecting the confidentiality and integrity of the information without being vulnerable to attackers or threats. It is an encryption technique when ensures the data is only visible to the sender and recipient and no middle man can steal the data and snoop for information. There are three most common types of cryptographic techniques in general. They are – Symmetric key cryptography   – Here the sender and receiver share a similar key and it can be used for both encryption and decryption. Hash functions  – There is no key used, rather a hash value is used to encrypt text, contents, and passwords. Public key cryptography   – In this two different keys such as a public key for encryption and a private key for decryption is used. Only the private key is kept as secret. Encryption Tools and Techniques: There are few tools available for encryption technique. They include – Triple DES – Replaces Data encryption standard(DES) algorithm, uses 3 individu
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Chakra Vyuh Bhedna, the only answer to how to crack group discussions!

  Chakra Vyuh Bhedna, the only answer to how to crack group discussions! Because of the pandemic, the placement drive was conducted virtually. And to add to the difficulty level, more than 200 students participated in the drive. The selection process consisted of an online test that included the aptitude and technical questions, which was followed by a group discussion. Both were elimination rounds. The shortlisted students were then called for the final round, the personal interview. All about cracking group discussions and interviews My strategy was to be attentive in the pre-placement talks by asking questions to them and even trying to answer their questions. This helped me to boost my self-confidence and made me perform well during the Group Discussion. For cracking group discussion, I practiced a simple and powerful technique called  Chakra Vyuh Bhedna . It's a complete weapon to crack any GD. This technique has 4 parts.  Awareness of the topic Understanding PESTLE (Political

Data Structure Multiple Choice Questions and Answers

  Data Structure Multiple Choice Questions and Answers Our 1000+ multiple choice questions and answers (MCQs) on "Data Structure - I" (along with 1000+ MCQs on "Data Structure - II (Algorithms)") focus on all areas of Data Structure covering 200+ topics. One can read MCQs on Data Structure - II (Algorithms)                 Array and Array Operations This set of Data Structure Multiple Choice Questions & Answers (MCQs) focuses on “Array and Array Operations”. 1. Which of these best describes an array? a) A data structure that shows a hierarchical behavior b) Container of objects of similar types c) Arrays are immutable once initialised d) Array is not a data structure View Answer Answer: b Explanation: Array contains elements only of the same type. 2. How do you initialize an array in C? a) int arr[3] = (1,2,3); b) int arr(3) = {1,2,3}; c) int arr[3] = {1,2,3}; d) int arr(3) = (1,2,3); View Answer Answer: c Explanation: This is the syntax to initialize an array i