Computer Networks - Quiz | Generated by AI

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Here’s a structured quiz for Computer Networks Technology (02141), organized by topic and question type (true/false, multiple-choice, short answer, and practical). Answers are intentionally omitted for self-assessment or instructor use.

Quiz 1: Introduction to Computer Networks

  1. True/False: A PAN (Personal Area Network) typically covers a larger geographical area than a LAN.
  2. Multiple Choice: Which network topology requires a central hub or switch? a) Bus b) Star c) Ring d) Mesh
  3. Short Answer: Name two advantages of a mesh topology over a star topology.

Quiz 2: Network Architecture and Models

  1. True/False: The TCP/IP model’s “Application Layer” maps directly to the OSI model’s “Application Layer.”
  2. Multiple Choice: Which OSI layer is responsible for logical addressing and routing? a) Physical b) Data Link c) Network d) Transport
  3. Short Answer: Why is the OSI model considered a reference model rather than a practical implementation?

Quiz 3: Physical Layer

  1. True/False: Fiber-optic cables are immune to electromagnetic interference.
  2. Multiple Choice: Which signal encoding technique is used for digital-to-digital transmission? a) AM (Amplitude Modulation) b) PCM (Pulse Code Modulation) c) FM (Frequency Modulation)
  3. Short Answer: What is the primary difference between bandwidth and throughput?
  1. True/False: CSMA/CD is commonly used in modern Wi-Fi networks.
  2. Multiple Choice: Which protocol operates at the Data Link Layer? a) IP b) Ethernet c) TCP d) HTTP
  3. Short Answer: Explain the purpose of a MAC address.

Quiz 5: Network Layer

  1. True/False: IPv6 addresses are 128 bits long, while IPv4 addresses are 32 bits long.
  2. Multiple Choice: Which routing algorithm uses hop count as a metric? a) OSPF b) RIP c) BGP
  3. Short Answer: What is the purpose of subnetting in IPv4?

Quiz 6: Transport Layer

  1. True/False: UDP provides reliable, connection-oriented communication.
  2. Multiple Choice: Which port number is commonly associated with HTTP? a) 22 b) 80 c) 443 d) 25
  3. Short Answer: Describe one scenario where UDP is preferred over TCP.

Quiz 7: Application Layer

  1. True/False: DNS translates domain names to MAC addresses.
  2. Multiple Choice: Which protocol is used for secure web browsing? a) FTP b) HTTP c) HTTPS d) SMTP
  3. Short Answer: What is the role of SMTP in email communication?

Quiz 8: Network Performance and Management

  1. True/False: Jitter refers to the variation in packet arrival times.
  2. Multiple Choice: Which tool is used to trace the route of a packet across networks? a) ping b) traceroute c) netstat d) ifconfig
  3. Short Answer: Define QoS (Quality of Service) and its importance.

Quiz 9: Emerging Technologies

  1. True/False: SDN (Software-Defined Networking) separates the control plane from the data plane.
  2. Multiple Choice: Which technology is the foundation of IoT device connectivity? a) DSL b) Bluetooth Low Energy (BLE) c) FTP
  3. Short Answer: How does network virtualization improve resource utilization?

Bonus Practical Questions

  1. Subnetting Exercise: Given the IP address 192.168.1.0/24, divide it into 4 equal subnets. List the subnet IDs and usable host ranges.
  2. Protocol Analysis: A packet has the following flags set: SYN=1, ACK=0. What stage of a TCP connection does this represent?
  3. Scenario-Based: A user cannot access a website but can ping its IP address. What is the most likely cause?

Let me know if you’d like adjustments (e.g., more hands-on labs, diagram-based questions, or focus on specific topics like security or IPv6).

Here’s a continuation of the quiz to further deepen the understanding of Computer Networks:

Quiz 10: Wireless Networks

  1. True/False: 5G networks provide lower latency than 4G networks.
  2. Multiple Choice: Which of the following is a common wireless communication standard? a) Wi-Fi b) TCP/IP c) HTTP d) DNS
  3. Short Answer: What is the primary difference between Wi-Fi 5 and Wi-Fi 6?

Quiz 11: Network Security

  1. True/False: A firewall is used to filter incoming and outgoing traffic based on predefined security rules.
  2. Multiple Choice: Which type of attack involves flooding a network with excessive traffic to exhaust resources? a) Man-in-the-middle attack b) Denial of Service (DoS) attack c) Phishing d) SQL Injection
  3. Short Answer: Describe the purpose of encryption in network security.

Quiz 12: IPv6

  1. True/False: IPv6 addresses are expressed in hexadecimal notation.
  2. Multiple Choice: Which of the following is a valid IPv6 address? a) 192.168.1.1 b) 2001:0db8:85a3:0000:0000:8a2e:0370:7334 c) 255.255.255.255 d) 10.0.0.1
  3. Short Answer: Why was IPv6 introduced and what problem does it solve?

Quiz 13: Network Protocols and Services

  1. True/False: HTTP is a connection-oriented protocol.
  2. Multiple Choice: Which protocol is used for transferring files between computers? a) FTP b) SMTP c) DHCP d) SNMP
  3. Short Answer: What is the role of DHCP in a network?

Quiz 14: Routing and Switching

  1. True/False: Routers operate at the Data Link Layer of the OSI model.
  2. Multiple Choice: Which type of routing algorithm is based on the exchange of routing tables between routers? a) Link-state b) Distance-vector c) Path-vector d) Static
  3. Short Answer: What is the difference between a router and a switch in terms of functionality?

Quiz 15: Network Topologies and Design

  1. True/False: A hybrid topology combines two or more different network topologies.
  2. Multiple Choice: Which network topology is most fault-tolerant? a) Star b) Ring c) Mesh d) Bus
  3. Short Answer: What are the benefits and drawbacks of a bus topology?

Quiz 16: DNS and IP Addressing

  1. True/False: DNS (Domain Name System) is responsible for translating IP addresses to domain names.
  2. Multiple Choice: Which type of DNS record maps a domain name to an IPv4 address? a) CNAME b) MX c) A d) PTR
  3. Short Answer: How does DNS caching improve network performance?

Quiz 17: Cloud Networking

  1. True/False: Cloud computing networks rely on virtualized resources and dynamic scaling.
  2. Multiple Choice: Which of the following is NOT a type of cloud service model? a) SaaS b) IaaS c) PaaS d) XaaS
  3. Short Answer: How does a Virtual Private Cloud (VPC) differ from a public cloud?

Quiz 18: Network Troubleshooting

  1. True/False: A ping test can help identify if a network device is reachable.
  2. Multiple Choice: Which tool would you use to determine the time it takes for data to travel from your computer to a remote server? a) traceroute b) ping c) netstat d) nslookup
  3. Short Answer: What are some common reasons for network latency and how can it be mitigated?

Quiz 19: Mobile and Ad-Hoc Networks

  1. True/False: Mobile ad-hoc networks (MANETs) are dynamic and self-configuring.
  2. Multiple Choice: Which of the following is an example of a mobile network? a) Bluetooth b) Ethernet c) Fibre Optic d) 802.11ac
  3. Short Answer: What are the key challenges in mobile network design, and how are they addressed?

Let me know if you’d like more quizzes or if there’s a specific area you’d like to focus on!

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