Practice IT Networking Questions and Answers

• Which phase of the software development lifecycle is primarily considered in COCOMO?
• What is job scheduling in an operating system?
• Which scheduling policy assigns the CPU to a job until it finishes or enters a waiting state?
• Which scheduling policy aims to minimize the average waiting time?
• Which scheduling policy uses priority levels to determine the order of execution?
• Which scheduling policy is prone to the "starvation" problem?
• Which scheduling policy ensures fairness by giving each job an equal time slice?
• Which scheduling policy may result in high waiting times for long-running jobs?
• Which scheduling policy is most suitable for time-sharing systems?
• Which scheduling policy dynamically adjusts the priority of a job based on its behavior?
• Which scheduling policy guarantees that every job will be executed in a finite amount of time?
• What is the primary function of Internet Protocol (IP)?
• Which version of IP is widely used in today's networks?
• What is the maximum number of unique IP addresses that can be assigned in IPv4?
• Which of the following is a characteristic of IPv6?
• Which layer of the TCP/IP model is responsible for IP addressing and routing?
• How are IP addresses in IPv4 typically represented?
• Which protocol is used to dynamically assign IP addresses to devices on a network?
• What is the purpose of the subnet mask in IP addressing?
• Which protocol is used by IP to guarantee the delivery of packets?
• Which field in the IP header is used for fragmentation and reassembly of packets?
• 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: