[2] Computer Science Quiz

Correct Answers: 0
Incorrect Answers: 0

201. What does the acronym 'REST' stand for in web services?

Reliable State Transfer

Random State Transfer

Real-Time State Transfer

Representational State Transfer

202. Which of the following is a type of cloud service model?

SaaS

PaaS

IaaS

All of the above

203. What does the 'grep' command do in Unix-based systems?

Changes file permissions

Searches for patterns within files

Copies files

Lists directory contents

204. Which data structure uses a Last-In-First-Out (LIFO) approach?

Deque

Queue

Heap

Stack

205. What is the purpose of the 'chmod' command in Unix-based systems?

Change file permissions

Change file name

Change file ownership

Change file location

206. What is the main role of a compiler in programming?

To execute code directly

To translate high-level code into machine code

To manage memory

To debug code

207. Which algorithm is used for finding the longest common subsequence between two sequences?

Greedy Algorithm

Dynamic Programming

Divide and Conquer

Backtracking

208. Which of the following is NOT a type of software testing?

Unit Testing

Security Testing

System Testing

Integration Testing

209. What is the primary purpose of data normalization in databases?

Reduce redundancy and improve data integrity

Increase data retrieval speed

Backup data

Encrypt data

210. What does 'API' stand for?

Application Protocol Interface

Application Programming Interface

Automated Programming Interface

Advanced Programming Interface

211. Which of the following is a common programming paradigm?

Object-Oriented Programming

Procedural Programming

Functional Programming

All of the above

212. What is a 'thread' in the context of computer processes?

A sequence of instructions executed independently

A lightweight process that shares resources with other threads

A mechanism for inter-process communication

A method for data encryption

213. Which of the following is a type of cloud computing service model?

Infrastructure as a Service (IaaS)

Platform as a Service (PaaS)

Software as a Service (SaaS)

All of the above

214. Which algorithm is used for data compression and is a lossless algorithm?

Run-Length Encoding

Lempel-Ziv-Welch (LZW)

Huffman Coding

JPEG Compression

215. What is the role of a 'bus' in computer architecture?

To manage network connections

To facilitate communication between different components

To execute instructions

To store data

216. What is the purpose of 'load balancing' in a web server environment?

To secure data transmission

To manage user sessions

To optimize database queries

To distribute traffic evenly across multiple servers

217. Which data structure is used for implementing a breadth-first search (BFS) algorithm?

Queue

Stack

Heap

Tree

218. What does 'HTTPS' use to ensure secure data transmission?

TLS/SSL

FTP

HTTP

SMTP

219. Which programming language is known for its use in web development and its dynamic typing?

JavaScript

C++

Java

Python

220. What is the function of a 'router' in a network?

Directs data packets between different networks

Manages network traffic

Stores data

Encrypts data

221. Which type of memory is non-volatile and used for long-term storage?

Cache

RAM

SSD

Registers

222. Which of the following algorithms is used for sorting a list of elements?

Bellman-Ford Algorithm

Dijkstra's Algorithm

Merge Sort

Kruskal's Algorithm

223. What is the purpose of a 'debugger' in software development?

To optimize performance

To identify and fix errors in code

To execute code

To manage source code

224. Which data structure is ideal for implementing a priority queue?

Stack

Array

Queue

Heap

225. What does 'JSON' stand for in web development?

JavaScript Object Notation

JavaScript Online Notation

JavaScript Object Network

JavaScript Output Notation

226. Which of the following is a common protocol used for email transmission?

NTP

FTP

SMTP

HTTP

227. What is the main purpose of a 'sandbox' in computer security?

To backup files

To isolate and test untrusted code

To manage network traffic

To encrypt data

228. Which algorithm is commonly used to solve the traveling salesman problem?

Nearest Neighbor

Dynamic Programming

Simulated Annealing

All of the above

229. Which of the following is a type of software development lifecycle model?

Waterfall

Agile

Scrum

All of the above

230. What does the 'ssh' command do?

Establishes a secure shell connection to a remote system

Transfers files between systems

Lists files in a directory

Changes file permissions

231. Which data structure is used to implement a hash table?

Graph

Array

Linked List

Tree

232. What is 'Big O' notation used for in computer science?

To define file formats

To measure network speed

To manage system resources

To describe the performance and complexity of an algorithm

233. Which protocol is used for transferring files over the internet?

HTTP

FTP

NTP

SMTP

234. What does the 'alias' command do in Unix-based systems?

Changes file ownership

Creates shortcuts for commands

Lists directory contents

Changes file permissions

235. Which of the following is a type of cloud service where applications are hosted by a provider and delivered over the internet?

Software as a Service (SaaS)

Infrastructure as a Service (IaaS)

Platform as a Service (PaaS)

None of the above

236. What is the primary use of the 'tar' command in Unix-based systems?

To compress files

To transfer files between systems

To create and manipulate archive files

To manage file permissions

237. Which of the following is a type of database index?

B-tree

Hash

Bitmap

All of the above

238. What does the acronym 'CRUD' stand for in the context of database operations?

Create, Read, Update, Delete

Create, Remove, Upload, Delete

Create, Remove, Update, Delete

Compile, Read, Update, Debug

239. What is the purpose of a 'repository' in version control systems?

To execute automated tests

To compile code

To store and manage code changes

To deploy applications

240. Which of the following is a common type of software vulnerability?

Buffer Overflow

SQL Injection

Cross-Site Scripting (XSS)

All of the above

241. What is the main advantage of using a containerization technology like Docker?

Isolation of applications and their dependencies

Improved data compression

Increased physical hardware performance

Simplified network configuration

242. Which data structure is commonly used to implement a depth-first search (DFS) algorithm?

Queue

Tree

Array

Stack

243. Which of the following is a type of database normalization form?

First Normal Form (1NF)

Second Normal Form (2NF)

Third Normal Form (3NF)

All of the above

244. What is the primary function of a 'virtual machine'?

To emulate a physical computer system

To compile source code

To manage network traffic

To manage hardware resources

245. Which type of network allows for peer-to-peer communication without a central server?

Ad-hoc Network

Bus Network

Star Network

Client-Server Network

246. What does the acronym 'HTTP' stand for?

High Throughput Transfer Protocol

Hypertext Transfer Protocol

Hyperlink Transfer Protocol

Hypertext Transmission Protocol

247. Which of the following is a tool used for continuous integration?

Kubernetes

Docker

GitHub

Jenkins

248. What is the main benefit of using an 'abstract class' in object-oriented programming?

To implement interface methods

To enforce access control

To optimize performance

To provide a common base class with shared behavior

249. Which of the following algorithms is commonly used for searching a sorted array?

Binary Search

Hash Search

Linear Search

Depth-First Search

250. What is the purpose of a 'sitemap' in a website?

To provide a hierarchical structure of web pages

To store session data

To manage user permissions

To compress website files

251. Which of the following is a statically-typed programming language?

JavaScript

Ruby

Python

Java

252. What is the purpose of a 'content delivery network' (CDN)?

To distribute content across multiple servers for faster access

To manage web server load

To store user data securely

To monitor network traffic

253. Which of the following protocols is used to send and receive emails?

IMAP

HTTP

DNS

FTP

254. What is the primary purpose of 'data encapsulation' in object-oriented programming?

To manage network connections

To hide the internal state and require all interaction to be performed through an object's methods

To ensure data integrity

To optimize memory usage

255. What is a 'segfault' or 'segmentation fault'?

A network connectivity issue

A file system error

A type of error indicating an invalid memory access

A compiler warning

256. Which of the following is an example of a programming language used for web front-end development?

JavaScript

Swift

C#

Java

257. Which of the following is a type of SQL JOIN operation?

INNER JOIN

LEFT JOIN

RIGHT JOIN

All of the above

258. What does 'CI/CD' stand for in software development?

Continuous Improvement/Continuous Development

Continuous Integration/Continuous Deployment

Configuration Integration/Configuration Deployment

Code Integration/Code Delivery

259. Which data structure is used to implement a priority queue in many programming languages?

Queue

Stack

Linked List

Heap

260. What is the primary purpose of an 'operating system'?

To manage hardware resources and provide a user interface

To connect to the internet

To compile programs

To store data

261. Which algorithm is used to find the shortest path between nodes in a graph?

A* Algorithm

Kruskal's Algorithm

Prim's Algorithm

Dijkstra's Algorithm

262. What does the 'echo' command do in Unix-based systems?

Displays a line of text or a variable value

Lists files in a directory

Changes file permissions

Transfers files between systems

263. What is the main purpose of the 'nslookup' command?

To test network connectivity

To display system information

To list directory contents

To query DNS records

264. What does 'AI' stand for in computer science?

Applied Informatics

Artificial Intelligence

Automated Interface

Advanced Integration

265. Which data structure is used to implement a depth-first search (DFS)?

Linked List

Queue

Array

Stack

266. What is the main purpose of an 'API' (Application Programming Interface)?

To compile code

To manage user permissions

To allow different software applications to communicate with each other

To handle user input

267. Which of the following is a common NoSQL database?

Oracle

MongoDB

SQLite

MySQL

268. What is the primary role of a 'load balancer' in a web application?

To store files

To encrypt data

To manage user sessions

To distribute incoming network traffic across multiple servers

269. Which programming language is known for its use in system programming and is often associated with operating systems development?

Python

Java

JavaScript

C

270. Which of the following is a type of software testing that focuses on the functionality of a system as a whole?

System Testing

Regression Testing

Integration Testing

Unit Testing

271. Which algorithm is commonly used for data compression?

Dijkstra's Algorithm

Kruskal's Algorithm

Huffman Coding

Prim's Algorithm

272. What does the acronym 'URL' stand for?

Uniform Resource Language

Uniform Resource Link

Universal Resource Locator

Uniform Resource Locator

273. Which of the following is a common type of database index?

B-tree

Hash

Bitmap

All of the above

274. What is the main purpose of a 'proxy server'?

To manage network traffic

To encrypt data

To store files

To act as an intermediary between a client and a server

275. What does 'TCP/IP' stand for in networking?

Transport Communication Protocol/Internet Protocol

Transport Control Protocol/Internet Protocol

Transmission Communication Protocol/Internet Protocol

Transmission Control Protocol/Internet Protocol

276. Which data structure is typically used to implement a graph?

Adjacency List

Adjacency Matrix

List

Matrix

277. Which algorithm is used to solve the 'shortest path' problem in a weighted graph?

Dijkstra's Algorithm

Bellman-Ford Algorithm

A* Algorithm

All of the above

278. What is the purpose of a 'kernel' in an operating system?

To compile programs

To manage user accounts

To manage hardware resources and system calls

To handle network connections

279. Which of the following is a common use case for the 'grep' command in Unix-based systems?

Changing file permissions

Searching for patterns within files

Listing files and directories

Copying files

280. Which of the following is a common software development methodology?

Agile

Waterfall

Scrum

All of the above

281. What does 'SQL' stand for in database management?

Standard Query Language

Sequential Query Language

Simple Query Language

Structured Query Language

282. What is the purpose of 'version control' in software development?

To handle user authentication

To optimize database queries

To manage network connections

To track changes to source code over time

283. Which of the following is a type of search algorithm?

Binary Search

Bubble Sort

Quick Sort

Merge Sort

284. What does the acronym 'DNS' stand for in networking?

Domain Name System

Dynamic Network Service

Distributed Name Service

Data Network Storage

285. Which programming language is known for its use in data science and machine learning?

C++

JavaScript

Python

Ruby

286. What is the primary purpose of 'encryption' in computer security?

To manage user permissions

To compress files

To speed up network connections

To protect data from unauthorized access

287. Which of the following is a type of database management system?

Relational Database Management System (RDBMS)

NoSQL Database

In-Memory Database

All of the above

288. What is a 'microservice' in software architecture?

A small, independently deployable service that performs a specific function

A large, monolithic application

A network protocol

A type of database

289. What is the primary purpose of 'load testing' in software testing?

To verify data accuracy

To ensure security compliance

To evaluate how a system performs under a specific load

To test the functionality of individual components

290. Which of the following is a common algorithm for encrypting data?

AES (Advanced Encryption Standard)

SHA (Secure Hash Algorithm)

MD5 (Message Digest Algorithm 5)

All of the above

291. What is the purpose of 'software refactoring'?

To add new features to software

To fix bugs

To optimize performance

To improve the structure and readability of code without changing its behavior

292. Which of the following is a type of software development model that emphasizes iterative progress through small, incremental improvements?

Waterfall

Agile

V-Model

Spiral

293. What does 'HTTPS' use to ensure secure communication over the internet?

FTP

SMTP

HTTP

TLS/SSL

294. Which data structure is used to implement a stack?

Array

Tree

Hash Table

Linked List

295. What is the role of a 'web server'?

To store user data

To manage network traffic

To encrypt communications

To serve web pages to users over the internet

296. Which of the following is a common type of database query language?

SQL

XML

CSS

HTML

297. What is a 'container' in the context of software development?

A lightweight, standalone, and executable package that includes everything needed to run a piece of software

A software testing tool

A type of database

A programming language

298. What does the 'ping' command test?

The status of a web server

The speed of a network connection

The reachability of a network host

The performance of a database

299. What is a 'thread' in computer science?

A sequence of executable instructions that can run concurrently with other threads

A programming language

A type of file system

A method for managing network traffic

300. Which of the following is a type of machine learning algorithm?

Decision Tree

K-Means Clustering

Neural Networks

All of the above

301. What is the purpose of a 'git repository'?

To deploy applications

To manage user permissions

To compile code

To store and manage source code and its versions

302. Which data structure is best for implementing a LIFO (Last In, First Out) system?

Priority Queue

Stack

Deque

Queue

303. What is the purpose of 'data integrity' in databases?

To handle user authentication

To ensure the accuracy and consistency of data

To improve database performance

To manage network connections

304. What is the main purpose of 'load balancing' in a network?

To optimize database queries

To manage data storage

To encrypt data

To distribute incoming network traffic across multiple servers

305. Which of the following is a high-level programming language?

C

Machine Code

Python

Assembly

306. What does 'SSL' stand for in the context of web security?

Simple Security Layer

Standard Security Layer

Secure Systems Layer

Secure Sockets Layer

307. Which of the following algorithms is used for sorting a list?

Quick Sort

Merge Sort

Bubble Sort

All of the above

308. What is a 'virtual private network' (VPN)?

A web server technology

A technology that creates a secure, encrypted connection over a less secure network

A network monitoring tool

A type of cloud storage

309. Which of the following is a relational database management system (RDBMS)?

Cassandra

Redis

MongoDB

MySQL

310. What does 'HTML' stand for?

HyperText Markup Language

High-Level Text Module

High-Level Text Markup Language

HyperText Multi-language

311. Which of the following is a type of software license?

GPL (General Public License)

MIT License

Apache License

All of the above

312. What is the role of a 'firewall' in network security?

To encrypt data

To manage user permissions

To store data

To monitor and control incoming and outgoing network traffic based on predetermined security rules

313. Which data structure is commonly used to implement a breadth-first search (BFS) algorithm?

Array

Linked List

Queue

Stack

314. What does 'CRUD' stand for in the context of database operations?

Create, Read, Update, Delete

Create, Remove, Upload, Delete

Compile, Read, Update, Debug

Create, Replace, Update, Delete

315. What is a 'constructor' in object-oriented programming?

A method used to compile code

A method used to handle errors

A special method used to initialize objects

A method used to manage memory

316. Which of the following is a key feature of a 'noSQL' database?

Schema flexibility

ACID compliance

Relational data model

Structured query language

317. What does 'REST' stand for in the context of web services?

Resource State Transfer

Regular State Transfer

Reliable State Transfer

Representational State Transfer

318. Which programming language is often used for web development and known for its event-driven model?

Java

C#

C++

JavaScript

319. What is the purpose of a 'cache' in computer systems?

To store frequently accessed data for faster retrieval

To encrypt data

To perform calculations

To manage network traffic

320. What does 'API' stand for in web development?

Application Protocol Interface

Active Programming Interface

Application Programming Interface

Automated Programming Interface

321. Which of the following is a common source code management tool?

Ansible

Docker

Git

Jenkins

322. What is 'big data' commonly used for?

Managing small data sets

Compiling code

Analyzing large and complex data sets to uncover patterns and insights

Encrypting data

323. Which of the following is a type of software development methodology?

Agile

Waterfall

Scrum

All of the above

324. What is a 'query' in the context of databases?

A request for data from a database

A command to compile code

A request to delete a file

A type of software license

325. Which data structure is commonly used to implement a priority queue?

Array

Queue

Heap

Stack

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