ICDS Supervisor - Computer Applications: Networking Basics & Cyber Security Practice Test 50 MCQs

ICDS Supervisor - Computer Applications: Networking Basics & Cyber Security Practice Test

Targeted 50 MCQ Practice Module focusing on: Networking Basics (Topologies, Devices, Protocols, OSI Model, IP Addressing) and Cyber Security Basics (Threats, Malware, Protection Measures).

Select your answers and click Submit Assessment Answers at the bottom to calculate your total score and review explanations.

📢 Stay Updated on ICDS Exam Materials! Follow the Official WhatsApp Channel: Join Channel Here  |  💬 Contact Admin Direct

SECTION I: Networking Basics - Fundamentals & Topologies [Questions 1 to 10]

1. What is a Computer Network?

A group of computers/devices connected to share resources and information A single standalone computer A printer connected to a computer A type of application software

Explanation: A computer network is an interconnection of two or more computing devices to share resources, data, and communication.

2. LAN stands for:

Local Area Network Large Area Network Long Access Network Limited Area Network

Explanation: LAN stands for Local Area Network, connecting devices within a limited geographical area like an office or building.

3. Which of the following is the best example of a WAN (Wide Area Network)?

A home Wi-Fi network The Internet An office network within a single building A Bluetooth connection between two phones

Explanation: The Internet is the largest example of a Wide Area Network (WAN), spanning across countries and continents.

4. MAN stands for:

Metropolitan Area Network Mobile Area Network Main Area Network Managed Area Network

Explanation: MAN (Metropolitan Area Network) covers a larger geographic area than a LAN, typically spanning a city.

5. Which network topology connects all devices individually to a central hub or switch?

Bus Topology Star Topology Ring Topology Mesh Topology

Explanation: In Star topology, all nodes connect individually to a central hub/switch; failure of one node doesn't affect others.

6. In Bus Topology, all devices are connected to a:

Central server Single central cable (backbone) Ring-shaped cable Star-shaped hub

Explanation: Bus topology uses a single central cable (the "bus" or backbone) to which all devices are connected.

7. In Ring Topology, data typically travels in:

Random directions A star pattern A single direction in a closed loop Multiple parallel cables

Explanation: In Ring topology, each device is connected to two others, forming a circular path where data travels in one direction (or both, in dual-ring setups).

8. Which topology provides the highest redundancy, as every device is connected to every other device?

Bus Topology Star Topology Tree Topology Mesh Topology

Explanation: In Mesh topology, every device has a dedicated point-to-point link to every other device, offering maximum redundancy and reliability.

9. PAN stands for:

Personal Area Network Public Area Network Primary Access Network Protocol Area Network

Explanation: PAN (Personal Area Network) connects devices within a very short range, such as Bluetooth-connected devices around a person.

10. The main difference between a LAN and a WAN is:

LAN covers a large geographic area; WAN covers a small area LAN covers a small geographic area; WAN covers a large geographic area There is no difference between them LAN uses wireless only; WAN uses wired only

Explanation: LAN spans a limited area like a building or campus, while WAN spans across cities, countries, or globally.

SECTION II: Networking Devices & Protocols [Questions 11 to 20]

11. Which networking device connects multiple networks and forwards data packets based on IP addresses?

Hub Router Repeater Switch

Explanation: A Router forwards data packets between different networks based on IP address information.

12. What is the key difference between a Hub and a Switch?

A Hub is intelligent, but a Switch is not A Hub broadcasts data to all ports, while a Switch sends data only to the intended recipient port A Switch cannot connect more than 2 devices There is no difference between them

Explanation: A Hub broadcasts incoming data to all connected ports, while a Switch intelligently forwards data only to the specific destination port using MAC addresses.

13. A Modem is primarily used to:

Convert digital signals to analog and vice versa for data transmission over telephone lines Store data permanently Print documents Boost Wi-Fi signal strength

Explanation: MODEM (Modulator-Demodulator) converts digital data into analog signals for transmission and back to digital at the receiving end.

14. A Bridge in networking is used to:

Connect two similar network segments and filter traffic between them Convert AC to DC power Store website data Assign IP addresses automatically

Explanation: A Bridge connects and filters traffic between two similar network segments, operating at the Data Link layer.

15. A Gateway is a device that:

Connects two dissimilar networks that use different communication protocols Only amplifies signals Only connects computers within the same LAN Cannot connect to the Internet

Explanation: A Gateway acts as an entry/exit point connecting two networks using different communication protocols, translating between them.

16. A Repeater in networking is used to:

Encrypt data Amplify or regenerate a weak signal so it can travel further Block unauthorized websites Assign IP addresses

Explanation: A Repeater regenerates and amplifies a weakened signal so it can travel further without loss of quality.

17. NIC stands for:

Network Interface Card Network Internet Connection National Identity Card Network Input Control

Explanation: NIC (Network Interface Card) is the hardware component that allows a computer to connect to a network.

18. A "Protocol" in networking refers to:

A physical cable A set of rules governing data communication between devices A type of computer virus A brand of router

Explanation: A protocol is a defined set of rules that governs how data is formatted, transmitted, and received across a network.

19. TCP/IP stands for:

Transfer Control Protocol/Internet Protocol Transmission Control Protocol/Internet Protocol Total Control Program/Internet Provider Transport Connection Protocol/Internal Protocol

Explanation: TCP/IP stands for Transmission Control Protocol/Internet Protocol, the fundamental communication protocol suite of the Internet.

20. HTTP stands for:

HyperText Transfer Protocol High Transmission Text Protocol HyperText Transmission Program Host Transfer Text Protocol

Explanation: HTTP (HyperText Transfer Protocol) is the protocol used for transmitting web pages over the Internet.

SECTION III: OSI Model, IP Addressing & Internet Basics [Questions 21 to 30]

21. The OSI Model consists of how many layers?

5 6 7 8

Explanation: The OSI (Open Systems Interconnection) Model has 7 layers: Physical, Data Link, Network, Transport, Session, Presentation, and Application.

22. Which OSI layer deals with the actual physical transmission of raw bits over cables or radio signals?

Application Layer Physical Layer Session Layer Presentation Layer

Explanation: The Physical Layer handles transmission of raw bitstreams over a physical medium such as cables and radio waves.

23. An IPv4 address is composed of how many bits?

16 bits 32 bits 64 bits 128 bits

Explanation: IPv4 addresses are 32-bit numbers, typically written as four decimal numbers separated by dots (e.g., 192.168.1.1).

24. An IPv6 address is composed of how many bits?

32 bits 64 bits 128 bits 256 bits

Explanation: IPv6 addresses use 128 bits, providing a vastly larger address space than IPv4's 32 bits.

25. DNS (Domain Name System) is primarily responsible for:

Translating domain names into IP addresses Encrypting emails Blocking viruses Compressing files

Explanation: DNS translates human-readable domain names (like google.com) into the numerical IP addresses that computers use to identify each other.

26. URL stands for:

Uniform Resource Locator Universal Reference Link United Resource Locator Uniform Reference Locator

Explanation: URL (Uniform Resource Locator) is the address used to access resources on the Internet.

27. "Bandwidth" in networking refers to:

The physical length of the network cable The maximum rate of data transfer across a network connection The number of computers in a network The type of topology used

Explanation: Bandwidth refers to the maximum amount of data that can be transmitted over a network connection in a given time, usually measured in bps/Mbps.

28. Wi-Fi stands for:

Wireless Fidelity Wide Internet Wireless Field Wired Fidelity

Explanation: Wi-Fi (Wireless Fidelity) is a technology that allows devices to connect to a network wirelessly using radio waves.

29. Bluetooth is typically used for:

Long-distance satellite communication Short-range wireless communication between nearby devices Wired connections only Connecting to the Internet backbone

Explanation: Bluetooth is a short-range wireless technology (typically up to about 10 meters) used to connect devices like headphones, phones, and keyboards.

30. FTP stands for:

File Transfer Protocol Fast Transfer Protocol File Transmission Program Fixed Transfer Protocol

Explanation: FTP (File Transfer Protocol) is used to transfer files between a client and a server over a network.

SECTION IV: Cyber Security Basics - Threats & Malware [Questions 31 to 40]

31. Cyber Security refers to:

The practice of protecting systems, networks, and data from digital attacks A programming language A type of hardware device A method to speed up the internet

Explanation: Cyber Security involves protecting computers, networks, programs, and data from unauthorized access, damage, or attack.

32. A Computer Virus is:

A beneficial software update A malicious program that attaches itself to files and replicates when executed A type of network cable A hardware component

Explanation: A virus is malicious code that attaches to legitimate programs/files and spreads when the infected file is executed.

33. The key difference between a Worm and a Virus is:

A worm needs a host file to spread; a virus does not A worm can self-replicate and spread independently without a host file; a virus needs a host program There is no difference between them A worm is always harmless while a virus is always harmful

Explanation: Unlike a virus, a worm is a standalone malicious program that can self-replicate and spread across networks without needing to attach to a host file.

34. A Trojan Horse is a type of malware that:

Disguises itself as legitimate software to trick users into installing it Physically damages hardware only Is a type of antivirus software Only affects mobile phones

Explanation: A Trojan Horse masquerades as legitimate or useful software but performs malicious actions once installed, without self-replicating like a virus.

35. Phishing is a cyber attack technique that involves:

Physically stealing a computer Sending fraudulent messages/emails to trick users into revealing sensitive information Repairing damaged hardware Installing antivirus software

Explanation: Phishing involves deceptive emails, messages, or websites designed to trick victims into disclosing passwords, banking details, or other sensitive information.

36. The term "Malware" is a combination of the words:

Malicious + Software Machine + Software Mail + Software Manual + Ware

Explanation: "Malware" is short for "Malicious Software" — any software intentionally designed to cause damage or gain unauthorized access.

37. Ransomware is malicious software that:

Improves system speed Encrypts a victim's files and demands payment for their release Only displays advertisements Automatically repairs corrupted files

Explanation: Ransomware encrypts the victim's data and demands a ransom (payment) in exchange for the decryption key.

38. Spyware is malicious software designed to:

Speed up internet browsing Secretly monitor and collect user information without consent Clean computer files Protect against viruses

Explanation: Spyware covertly gathers information about a user's activities (keystrokes, browsing habits) without their knowledge or consent.

39. A Denial-of-Service (DoS) attack aims to:

Steal encrypted passwords only Overwhelm a system or server with excessive traffic, making it unavailable to legitimate users Physically destroy a hard disk Improve server performance

Explanation: A DoS attack floods a target system/network with excessive traffic or requests, exhausting resources and denying service to legitimate users.

40. "Spam" refers to:

Legitimate business correspondence Unsolicited and irrelevant bulk messages, often sent via email A type of firewall Antivirus software

Explanation: Spam is unsolicited bulk messaging, typically sent via email, often used for advertising or spreading malware/phishing links.

SECTION V: Cyber Security - Protection & Best Practices [Questions 41 to 50]

41. A Firewall in a computer network is used to:

Speed up data transmission Monitor and filter incoming/outgoing network traffic based on security rules Store backup files Convert analog signals to digital signals

Explanation: A Firewall acts as a barrier that monitors and controls incoming and outgoing network traffic based on predetermined security rules.

42. Antivirus software is primarily designed to:

Detect, prevent, and remove malicious software from a computer Increase internet speed Manage network cables Create new user accounts

Explanation: Antivirus software scans, detects, quarantines, and removes viruses and other malware from computer systems.

43. Which of the following is a characteristic of a strong password?

Using your name and date of birth A short, common dictionary word A combination of uppercase, lowercase letters, numbers, and special characters The same password used for every account

Explanation: A strong password combines uppercase and lowercase letters, numbers, and special characters, making it harder to guess or crack.

44. Two-Factor Authentication (2FA) enhances security by:

Requiring only a username Requiring two independent verification methods (e.g., password + OTP) to access an account Removing the need for any password Slowing down the login process with no security benefit

Explanation: 2FA adds an extra layer of security by requiring a second verification factor (like an OTP or biometric) in addition to the password.

45. Encryption is the process of:

Deleting data permanently Converting data into a coded format to prevent unauthorized access Compressing files to save storage space Formatting a hard disk

Explanation: Encryption transforms readable data (plaintext) into an unreadable coded format (ciphertext) that can only be decoded with the correct key.

46. The 's' in "HTTPS" indicates that the website connection is:

Slower than HTTP Secured using SSL/TLS encryption Restricted to static content only Restricted to servers only

Explanation: HTTPS (HTTP Secure) uses SSL/TLS encryption to secure data exchanged between a browser and a website, unlike plain HTTP.

47. Regular data backup is important because it:

Increases the risk of data loss Helps recover data in case of hardware failure, cyberattack, or accidental deletion Is not necessary for important files Permanently slows down the computer

Explanation: Regular backups create copies of data that can be restored in the event of data loss due to malware, hardware failure, or accidental deletion.

48. The Information Technology (IT) Act, which governs cyber laws in India, was enacted in the year:

1998 2000 2005 2010

Explanation: The Information Technology Act, 2000 is the primary law in India dealing with cybercrime and electronic commerce.

49. "Social Engineering" in cyber security refers to:

Building social networking websites Manipulating people psychologically to divulge confidential information Designing computer hardware A method of writing software code

Explanation: Social Engineering exploits human psychology (trust, fear, urgency) to trick individuals into revealing confidential information or performing actions that compromise security.

50. Which of the following is a recommended safe browsing practice?

Clicking on all pop-up advertisements Avoiding suspicious links, verifying website URLs, and using updated browsers/antivirus software Sharing passwords over email Disabling all security software

Explanation: Safe browsing includes avoiding suspicious links/attachments, verifying legitimate URLs, keeping software updated, and using security tools.

🏠 Go to Home 📢 Join WhatsApp Channel 💬 Message Me on WhatsApp