Computer Networks - Quiz | Generated by AI
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
- True/False: A PAN (Personal Area Network) typically covers a larger geographical area than a LAN.
- Multiple Choice: Which network topology requires a central hub or switch?
a) Bus
b) Star
c) Ring
d) Mesh - Short Answer: Name two advantages of a mesh topology over a star topology.
Quiz 2: Network Architecture and Models
- True/False: The TCP/IP model’s “Application Layer” maps directly to the OSI model’s “Application Layer.”
- Multiple Choice: Which OSI layer is responsible for logical addressing and routing?
a) Physical
b) Data Link
c) Network
d) Transport - Short Answer: Why is the OSI model considered a reference model rather than a practical implementation?
Quiz 3: Physical Layer
- True/False: Fiber-optic cables are immune to electromagnetic interference.
- 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) - Short Answer: What is the primary difference between bandwidth and throughput?
Quiz 4: Data Link Layer
- True/False: CSMA/CD is commonly used in modern Wi-Fi networks.
- Multiple Choice: Which protocol operates at the Data Link Layer?
a) IP
b) Ethernet
c) TCP
d) HTTP - Short Answer: Explain the purpose of a MAC address.
Quiz 5: Network Layer
- True/False: IPv6 addresses are 128 bits long, while IPv4 addresses are 32 bits long.
- Multiple Choice: Which routing algorithm uses hop count as a metric?
a) OSPF
b) RIP
c) BGP - Short Answer: What is the purpose of subnetting in IPv4?
Quiz 6: Transport Layer
- True/False: UDP provides reliable, connection-oriented communication.
- Multiple Choice: Which port number is commonly associated with HTTP?
a) 22
b) 80
c) 443
d) 25 - Short Answer: Describe one scenario where UDP is preferred over TCP.
Quiz 7: Application Layer
- True/False: DNS translates domain names to MAC addresses.
- Multiple Choice: Which protocol is used for secure web browsing?
a) FTP
b) HTTP
c) HTTPS
d) SMTP - Short Answer: What is the role of SMTP in email communication?
Quiz 8: Network Performance and Management
- True/False: Jitter refers to the variation in packet arrival times.
- Multiple Choice: Which tool is used to trace the route of a packet across networks?
a) ping
b) traceroute
c) netstat
d) ifconfig - Short Answer: Define QoS (Quality of Service) and its importance.
Quiz 9: Emerging Technologies
- True/False: SDN (Software-Defined Networking) separates the control plane from the data plane.
- Multiple Choice: Which technology is the foundation of IoT device connectivity?
a) DSL
b) Bluetooth Low Energy (BLE)
c) FTP - Short Answer: How does network virtualization improve resource utilization?
Bonus Practical Questions
- 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. - Protocol Analysis: A packet has the following flags set:
SYN=1, ACK=0
. What stage of a TCP connection does this represent? - 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
- True/False: 5G networks provide lower latency than 4G networks.
- Multiple Choice: Which of the following is a common wireless communication standard?
a) Wi-Fi
b) TCP/IP
c) HTTP
d) DNS - Short Answer: What is the primary difference between Wi-Fi 5 and Wi-Fi 6?
Quiz 11: Network Security
- True/False: A firewall is used to filter incoming and outgoing traffic based on predefined security rules.
- 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 - Short Answer: Describe the purpose of encryption in network security.
Quiz 12: IPv6
- True/False: IPv6 addresses are expressed in hexadecimal notation.
- 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 - Short Answer: Why was IPv6 introduced and what problem does it solve?
Quiz 13: Network Protocols and Services
- True/False: HTTP is a connection-oriented protocol.
- Multiple Choice: Which protocol is used for transferring files between computers?
a) FTP
b) SMTP
c) DHCP
d) SNMP - Short Answer: What is the role of DHCP in a network?
Quiz 14: Routing and Switching
- True/False: Routers operate at the Data Link Layer of the OSI model.
- 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 - Short Answer: What is the difference between a router and a switch in terms of functionality?
Quiz 15: Network Topologies and Design
- True/False: A hybrid topology combines two or more different network topologies.
- Multiple Choice: Which network topology is most fault-tolerant?
a) Star
b) Ring
c) Mesh
d) Bus - Short Answer: What are the benefits and drawbacks of a bus topology?
Quiz 16: DNS and IP Addressing
- True/False: DNS (Domain Name System) is responsible for translating IP addresses to domain names.
- Multiple Choice: Which type of DNS record maps a domain name to an IPv4 address?
a) CNAME
b) MX
c) A
d) PTR - Short Answer: How does DNS caching improve network performance?
Quiz 17: Cloud Networking
- True/False: Cloud computing networks rely on virtualized resources and dynamic scaling.
- Multiple Choice: Which of the following is NOT a type of cloud service model?
a) SaaS
b) IaaS
c) PaaS
d) XaaS - Short Answer: How does a Virtual Private Cloud (VPC) differ from a public cloud?
Quiz 18: Network Troubleshooting
- True/False: A ping test can help identify if a network device is reachable.
- 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 - Short Answer: What are some common reasons for network latency and how can it be mitigated?
Quiz 19: Mobile and Ad-Hoc Networks
- True/False: Mobile ad-hoc networks (MANETs) are dynamic and self-configuring.
- Multiple Choice: Which of the following is an example of a mobile network?
a) Bluetooth
b) Ethernet
c) Fibre Optic
d) 802.11ac - 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!