#computer network

45 questions

Draw and explain OSI reference model. The OSI model is based on a proposal developed by the International Standards Organization (ISO) as a first step toward international standa... 1 answer
Write a short note on Openflow messages OpenFlow messages are exchanged between an SDN controller and an OpenFlow switch over a (usually TLS-secured) TCP channel, and fall into thr... 1 answer
List of Camparision and difference between Computer Network TCP vs. UDP: TCP UDP 1. Connection-oriented 1. Connectionless 2. Reliable data delivery with acknowledgments 2. Unreliable data delivery 3.... 1 answer
Important questions for computer network ai-ds branch T.E sem V 1. Channel allocation problem Slotted & pure aloha 2. Different guided transmission medias 3. OSI reference model 4. Sliding window protocol... 1 answer
What is classful addressing? Classful addressing is an IPv4 addressing architecture that divides addresses into five groups. Classes A-C: unicast addresses Class D: mult... 1 answer
What is Subnetting? What is the use of Subnetting? Advantages of Subnetting What is Subnetting? Subnetting is a method of dividing a single physical network into logical sub-networks (subnets). Subnetting allows a bu... 1 answer
A pure ALOHA network transmits 200-bit frames on a shared channel of 200 kbps. To elaborate: Frame transmission time Tfr= 200/200 kbps or 1 ms. If the system creates 1000 frames per second, or 1 frame per millisecond, t... 1 answer
Write short notes on: (i) TCP Timers (ii) HTTP (i) TCP Timers: a. Time-Out Timer: The Time-Out Timer in TCP (Transmission Control Protocol) is used to manage the retransmission of data in... 1 answer
Explain IPv4 header format in detail. The IPv4 packet header contains a fixed mandatory part, which is made of 13 fields. Let’s take a closer look at the IPv4 header format, the... 1 answer
What is need of DNS and explain how DNS works? DNS, or Domain Name System, is a fundamental component of the internet that translates human-readable domain names into IP addresses, allowi... 1 answer
Explain Link State Routing with suitable example In link state routing each router learns the complete topology by flooding link-state packets, then runs Dijkstra's shortest-path algorithm... 1 answer
Explain leaky bucket algorithm and compare it with token bucket algorithm. The leaky bucket sends data out at a fixed constant rate, smoothing bursts; the token bucket sends data only when tokens are available, so i... 1 answer
Explain different framing methods. Since the physical layer merely accepts and transmits a stream of bits without any regard to meaning or structure, it is upto the data link... 1 answer
Write short note on SMTP. SMTP, or Simple Mail Transfer Protocol, is a standard communication protocol used for sending and receiving electronic mail (email) on the i... 1 answer
Differentiate between TCP and UDP. Feature TCP UDP Connection Type Connection-oriented Connectionless Reliability Reliable: ensures data delivery Unreliable: no guaranteed del... 1 answer
Find the error, if any, in the following IPv4 addresses. (i) 221.24.7.8.20 (ii) 75.45.351.14 There are errors in both of the provided IPv4 addresses: (i) 221.24.7.8.20: The IPv4 address format consists of four octets separated by per... 1 answer
Explain The Following Transmission Media's (With Diagram) • Twisted Pair. • Coaxial Cable. • Fiber Optic. Twisted Pair Cables: Twisted pair cables consist of pairs of insulated copper wires twisted together. This configuration helps mitigate elec... 1 answer
Explain The Need Of Layering In Reference Model For Communication And Networking. Layering is needed because network communication is a very complex task; dividing it into layers, each doing a well-defined job and offering... 1 answer
Explain Design Issues Of Layers In OSI Reference Model Each layer of a network reference model must solve certain common design issues: addressing, error control, flow control, multiplexing, rout... 1 answer
Explain Different Internetworking Devices Internetworking devices play a crucial role in connecting and facilitating communication between different networks. Router: Routers operate... 1 answer
Explain Principal Differences Between Connection Less And Connection Oriented Communication. Feature Connectionless Communication Connection-Oriented Communication Establishment of Connection No explicit connection setup phase. Each... 1 answer
Computer Network Module 5 Enterprise Network Design Short Explaination Cisco Service Oriented Network Architecture (SONA): SONA is like a blueprint for building a modern and efficient network. It's a set of guid... 1 answer
Computer Network Module 4 Transport Layer and Application Layer Short Explaination Transport Layer: Imagine it as a reliable post office service for your data, making sure it arrives safely at its destination. The transport... 1 answer
Viva Questions For Compter Network Q1) What is a computer network? A1) A computer network is a collection of interconnected devices that can communicate and share resources. Q... 1 answer

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