Computer Networks (3150710) - Information Technology
- Explain Route Summarization or Route Aggregation in network layer.
- State the port number for the following application layer protocols.i) FTP ii) HTTP iii) SMTP iv) POP3
- Justify the statement, “HTTP server is stateless”.
- 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?
- 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.
- For the below mentioned internet applications protocol, mention the underlying transport protocol (TCP or UDP). i) Telnet ii) FTP iii) HTTP
- Explain User Datagram Protocol (UDP) in detail and discuss how it differs from Transmission Control Protocol (TCP).
- Discuss the five layer internet protocol stack along with the functionalities of each layer in detail.
- Discuss the circuit switching versus packet switching approaches for moving data through a network of links and switches.
- What is the significance of the following flags in TCP segment? i) URG ii) SYN iii) FIN iv) PSH
- Define the term unicasting, multicasting, and broadcasting.
- Explain the class-full sub-netting with example.
- Discuss the count-to-infinity problem in distance vector routing algorithm with example.
- Difference between bit rate and baud rate.
- Differentiate between TCP vs. UDP
- Differentiate between Circuit Switching vs. Packet Switching
- Explain the UDP checksum mechanism for error detection with example.
- Demonstrate the various error detection techniques at data link layer with example.
- What are the three most important network-layer functions in a virtual-circuit network?
- Discuss the working of slotted aloha along with its efficiency in terms of channel utilization.
- Data link protocols almost always put CRC in a trailer rather than in a header. Why?
- Explain p-persistent CSMA protocol in detail.
- Explain the following static channel allocations mechanisms: i) TDMA ii) FDMA
- Explain functionality of Repeater, Hub, Bridge, Switch, Router and Gateway.
- Write short note on Domain Name System (DNS).
- Explain various delay which are occur in data packet transmission.
- What is topology? Explain star topology in brief.
- What is HTTP? Differentiate its persistent and non-persistent types with request-response behavior of HTTP.
- Explain Physical Address, IP address, Port Address in brief.
- Explain Distance Vector Routing Algorithm.
- Explain DHCP and Email in detail.
- Compare IPv4 and IPv6.
- Give difference between connection oriented and connectionless services.
- Differentiate its persistent and non-persistent types with request-response behavior of HTTP.
- Give differences between TCP and UDP.
- Discuss the principles of Reliable Data Transfer.
- What do you mean by congestion and overflow? Explain the slow-start component of the TCP congestion-control algorithm.
- Explain packet fragmentation with example.
- Write a short note on broadcast and multicast routing.
- What is IP address? Explain sub netting with example.
- What is socket? Explain its importance at transport layer protocols.
- Discuss transport layer multiplexing and demultiplexing concepts.
- Discuss CSMA/CD Protocol.
- Explain CRC code generation with example.
- Explain the hierarchical DNS system
- What do you mean by stream and datagram sockets?
- How the Jitter is different from the delay in streaming applications?
- Explain leaky bucket algorithm for the network traffic shaping.
- Explain flow and error control in TCP.
- Discriminate fully qualified domain name from partially qualified domain name.
- What do you mean by random access protocols? Explain slotted ALOHA in brief.