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IT Networking

Practice IT Networking Questions and Answers

Question Listing

What is a transaction in a database management system?
Which property of a transaction is known as atomicity?
What does ACID stand for in the context of database transactions?
Which concurrency control technique allows multiple transactions to access the database simultaneously?
Which concurrency control technique uses read and write locks to ensure consistency?
What is the purpose of a lock in concurrency control?
Which concurrency control technique allows a transaction to read uncommitted data?
Which isolation level ensures that a transaction can read data that is consistent with the start of the transaction?
What is a serializable schedule in concurrency control?
Which of the following is NOT a potential concurrency control issue?
B-trees and B+ trees are primarily used for efficient storage and retrieval of data in:
What is the main advantage of using a B-tree or B+ tree over a binary search tree?
In a B-tree, the minimum number of children a non-root internal node can have is:
Which property distinguishes a B+ tree from a B-tree?
B-trees and B+ trees are commonly used for indexing in databases to improve the efficiency of:
Which type of tree structure is optimized for sequential access and range queries?
In a B+ tree, the leaf nodes are typically connected in a linked list to facilitate:
Which type of tree provides better performance for read-intensive workloads?
B-trees and B+ trees are designed to maintain balance by adjusting the:
Which tree structure is commonly used in file systems to organize and manage disk blocks efficiently?
Python is an example of which type of programming language?
Which statement is true about Python indentation?
What is the purpose of the "self" parameter in a Python class method?
What is the output of the following Python code snippet? x = [1, 2, 3] y = x x.append(4) print(y)
What is the purpose of the "if __name__ == '__main__':" statement in a Python script?
What does an op-amp stand for?
Which of the following is a passive electronic component used in analog circuits?
In a voltage divider circuit, if the resistors are of equal value, what is the output voltage?
What is the purpose of a capacitor in an AC circuit?
Which type of diode allows current to flow in only one direction?
Which of the following is an essential property of an inductor?
What is the typical output voltage range of an operational amplifier (op-amp) powered by ±15V supply rails?
Which of the following configurations provides a higher voltage gain in an op-amp?
What is the purpose of a comparator in analog circuits?
Which of the following is a measure of a diode's ability to conduct current in the forward direction?
Which computer architecture allows multiple processors to work together on a single task?
Which bus is responsible for transferring data between the CPU and memory?
Which type of instruction pipeline allows multiple instructions to be processed simultaneously at different stages?
Which of the following is a characteristic of a RISC (Reduced Instruction Set Computer) architecture?
Which computer architecture uses a single bus to connect the CPU, memory, and peripherals?

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