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AES (Advanced Encryption Standard) is considered the most secure encryption standard used globally. It supports key lengths of 128, 192, or 256 bits, making it resistant to brute-force attacks. AES is widely used in various applications like VPNs, wireless security (WPA2), and government data protection due to its strength and efficiency. Caesar Cipher : An ancient, very weak encryption method based on shifting characters. DES : Once widely used but now considered insecure due to its short key length (56 bits). MD5 Hashing : This is a hashing algorithm, not an encryption method. It is vulnerable to collisions. RSA Encryption : While secure, RSA is mainly used for encrypting small pieces of data, such as encryption keys, rather than bulk data encryption like AES.
Which of the following is lowest in memory hierarchy?
Which IPC mechanism provides synchronization capabilities to prevent race conditions between processes?
What data structure is commonly used to represent the parse tree in parsing?
Which SQL keyword is used to filter records in a SELECT statement based on a specific condition?
Which tool is used to build data pipelines and workflows in Hadoop-based systems?
syntax of loops in shell scripting?
Which technology allows a processor to execute multiple threads or processes simultaneously?
What is the primary purpose of virtual memory in a computer system?
What does the Query Optimizer do in RDBMS architecture?
Which are types of system design