Question
Which of the following is a non-relational database used
for handling large volumes of diverse data types in Big Data environments?Solution
Cassandra is a highly scalable, non-relational (NoSQL) database that is used to handle large volumes of data across distributed systems. It is designed to work with large-scale, diverse datasets, making it ideal for Big Data environments where traditional relational databases like MySQL or Oracle may struggle. Why Other Options are Wrong:
- a, b, d, e) MySQL, Oracle, SQL Server, and IBM Db2 are relational databases, optimized for structured data, but are not suited for unstructured or semi-structured Big Data at scale.
In a 5-stage pipeline (Fetch, Decode, Execute, Memory, Write-back), how many instructions can be in various stages of processing at the same time?
A transformer has a primary coil with 300 turns and a secondary coil with 150 turns. If the primary voltage is 240V, calculate the secondary voltage.
Which of the following is a common problem that synchronization mechanisms address in multi-threaded or multi-process environments?
What happens when a program accesses data that is not currently in physical memory (RAM) due to virtual memory management?
Which of the following is not a valid keyword in C++ language?
XML is designed to ____ and ____ data)
What is the main purpose of a digital signature in public key cryptography?
The best case time complexity of selection sort?
What is the space complexity of an algorithm?
Which functions are declared inside a class have to be defined separately outside the class?
