Skip to main content

Computer Networks (3150710) - Information Technology

 Computer Networks (3150710) - Information Technology

  1. Explain Route Summarization or Route Aggregation in network layer.
  2. State the port number for the following application layer protocols.i) FTP ii) HTTP iii) SMTP iv) POP3
  3. Justify the statement, “HTTP server is stateless”.
  4. Besides bandwidth and latency, what other parameter(s) is/are needed to give a good characterization of the quality of service offered by network used for (i) Online financial transaction traffic? (ii) Video streaming traffic?
  5. Which of the OSI layers handles each of the following:i) Dividing the message into segments.ii) Determining which route through the subnet to use.iii) Dividing the transmitted bit stream into frames.
  6. For the below mentioned internet applications protocol, mention the underlying transport protocol (TCP or UDP). i) Telnet ii) FTP iii) HTTP
  7. Explain User Datagram Protocol (UDP) in detail and discuss how it differs from Transmission Control Protocol (TCP).
  8. Discuss the five layer internet protocol stack along with the functionalities of each layer in detail.
  9. Discuss the circuit switching versus packet switching approaches for moving data through a network of links and switches.
  10. What is the significance of the following flags in TCP segment? i) URG ii) SYN iii) FIN iv) PSH
  11. Define the term unicasting, multicasting, and broadcasting.
  12. Explain the class-full sub-netting with example.
  13. Discuss the count-to-infinity problem in distance vector routing algorithm with example.
  14. Difference between bit rate and baud rate.
  15. Differentiate between TCP vs. UDP
  16. Differentiate between Circuit Switching vs. Packet Switching
  17. Explain the UDP checksum mechanism for error detection with example.
  18. Demonstrate the various error detection techniques at data link layer with example.
  19. What are the three most important network-layer functions in a virtual-circuit network?
  20. Discuss the working of slotted aloha along with its efficiency in terms of channel utilization.
  21. Data link protocols almost always put CRC in a trailer rather than in a header. Why?
  22. Explain p-persistent CSMA protocol in detail.
  23. Explain the following static channel allocations mechanisms: i) TDMA ii) FDMA
  24. Explain functionality of Repeater, Hub, Bridge, Switch, Router and Gateway.
  25. Write short note on Domain Name System (DNS).
  26. Explain various delay which are occur in data packet transmission.
  27. What is topology? Explain star topology in brief.
  28. What is HTTP? Differentiate its persistent and non-persistent types with request-response behavior of HTTP.
  29. Explain Physical Address, IP address, Port Address in brief.
  30. Explain Distance Vector Routing Algorithm.
  31. Explain DHCP and Email in detail.
  32. Compare IPv4 and IPv6.
  33. Give difference between connection oriented and connectionless services.
  34. Differentiate its persistent and non-persistent types with request-response behavior of HTTP.
  35. Give differences between TCP and UDP.
  36. Discuss the principles of Reliable Data Transfer.
  37. What do you mean by congestion and overflow? Explain the slow-start component of the TCP congestion-control algorithm.
  38. Explain packet fragmentation with example.
  39. Write a short note on broadcast and multicast routing.
  40. What is IP address? Explain sub netting with example.
  41. What is socket? Explain its importance at transport layer protocols.
  42. Discuss transport layer multiplexing and demultiplexing concepts.
  43. Discuss CSMA/CD Protocol.
  44. Explain CRC code generation with example.
  45. Explain the hierarchical DNS system
  46. What do you mean by stream and datagram sockets?
  47. How the Jitter is different from the delay in streaming applications?
  48. Explain leaky bucket algorithm for the network traffic shaping.
  49. Explain flow and error control in TCP.
  50. Discriminate fully qualified domain name from partially qualified domain name.
  51. What do you mean by random access protocols? Explain slotted ALOHA in brief.

Popular Posts

what are local variables and global variables in python.

Understanding Local and Global Variables in Python: A Data Compression Perspective What are Local Variables? Local variables are declared inside a function. Their scope is limited to that function. They are created when the function is called and destroyed when the function exits. This localized nature can be relevant in optimizing data structures within a function, aiding compression strategies. Improper use can lead to unnecessary data duplication if not handled carefully in recursive functions or complex data structures. What are Global Variables? Global variables are declared outside any function. Their scope extends throughout the entire program. They are accessible from any function within the program. Overuse can negatively impact data compression efforts by increasing memory usage unnecessarily, especially in large applications. Careful management is crucial for maintaining modularity and data integrity in complex systems, a key factor in efficient compressi...

Explain intrinsic and extrinsic parameters related to camera models. Also state usefulness for these kinds of parameters in the field of computer vision.

Understanding Camera Models: Intrinsic and Extrinsic Parameters in Computer Vision Intrinsic Parameters Describe the internal characteristics of the camera. Define the mapping from 3D points in the camera's coordinate system to 2D points on the image plane. Include focal length (distance between lens and sensor). Include principal point (center of the image sensor). Include pixel size and skew coefficient (for non-ideal cameras). Essential for image rectification and undistortion. Crucial for accurate 3D reconstruction from images. Extrinsic Parameters Define the camera's location and orientation in the world coordinate system. Described by a rotation matrix (R) and a translation vector (t). Rotation matrix (R) specifies the camera's orientation. Translation vector (t) specifies the camera's position. Used to relate the camera coordinate system to the world coordinate system. Essential for 3D scene understanding and object pose estimation. Fundament...

Current Affairs 9 September 2025 | Nepal Protests, France PM Resigns, Windows 11 Update

Current Affairs – 09 September 2025 Major Highlights 1. Nepal Gen Z Protests Massive anti-government protests led by youth (Gen Z). PM K. P. Sharma Oli & ministers resigned and fled the country. Protesters burned Parliament & govt. buildings. Army deployed at airport & key locations. Trigger: Corruption charges & social media ban. 2. France Political Crisis PM François Bayrou resigned after losing confidence vote. President Macron now forced to appoint 3rd PM in just a year. Protests under slogan “Block Everything” intensify. 80,000+ police deployed across France to prevent unrest. 3. Windows 11 September 2025 Update Microsoft released Security & Feature Update. 9 key changes: Redesigned Recall app homepage. Seconds display in Notification Center. Grid view in Windows Search photos. Improved Widgets & Lock screen dashboard. AI agent in Settings app. Updated Windows Hello visuals. Modern Task Manager interface. Revamped File Explorer design. Windows Backup organi...

Define the term: Trojan Horse ,Spyware, Open Port Identification, Banner Check.

Define the term:   Trojan Horse A Trojan Horse is a type of malware that disguises itself as legitimate software. It tricks users into installing it voluntarily, unlike viruses that spread on their own. Once installed, it can steal data, install backdoors, or give unauthorized access to hackers. Trojans are often hidden in freeware, email attachments, or pirated software. It does not replicate like a worm but is highly dangerous for system control and data theft. Spyware Spyware is a form of malicious software that secretly gathers information from a user's device. It tracks browsing history, keystrokes, login credentials, and personal data without the user’s knowledge. Spyware often comes bundled with freeware or infected websites. It can be used for identity theft, monitoring, or financial fraud. Anti-spyware tools and regular scanning help detect and remove it. Open Port Identification Open Port Identification is the process of scanning a system/network to find active and listen...

Explain Virus and Worms, Trojan Horses and Backdoors.

Understanding Malware: Viruses, Worms, Trojans, and Backdoors Viruses Self-replicating malicious code. Requires a host program to execute. Spreads through infected files or email attachments. Can corrupt data, damage system files, or steal information. Worms Self-replicating programs that spread independently. Do not require a host program. Often exploit network vulnerabilities to spread rapidly. Can consume network bandwidth and disrupt services. Trojan Horses Disguised as legitimate software. Conceals malicious code within seemingly harmless programs. Can steal data, install backdoors, or remotely control the system. Often downloaded unknowingly by users. Backdoors Secret entry points into a system. Bypasses normal authentication and security measures. Allows unauthorized access and control. Often installed by malware or exploited vulnerabilities.