#computer network
- write short note on Openflow messages OpenFlow is a communications protocol that enables the interaction between the control and data planes of a software-defined network (SDN).... 1
- What is Routing? What are desirable characteristics of routing algorithms? Explain distance vector routing Routing: Routing is the process of determining the path that data packets should take from the source to the destination in a computer netwo... 1
- Connection oriented protocol vs Connectionless protocol Feature Connection-Oriented Protocol Connectionless Protocol Establishment of Connection A dedicated connection is established before data t... 1
- What is Channel allocation problem? Explain CSMA/CD protocol. A network with CSMA/CD has 10 Mbps bandwidth and 25.6ms Channel Allocation Problem The channel allocation problem is the problem of assigning channels to users in a multi-user system. There are a... 3
- Describe in detail OSI reference model with a neat diagram The OSI model is based on a proposal developed by the International Standards Organization (ISO) as a first step toward international standa... 1
- Elaborate the architecture of NOX and POX controllers of SDN with their comparison. Feature NOX Controller POX Controller Language C++ Python Architecture Modular and Event-Driven Modular and Event-Driven Modules Allows the... 1
- What is SDN? Explain SDN architecture along with Operations of control and data planes. Software-Defined Networking (SDN): Software-Defined Networking (SDN) is an innovative approach to network management that allows network adm... 1
- Explain in brief Cisco PPDIOO Network design methodology. PPDIOO is a network design methodology used by Cisco. It stands for Prepare, Plan, Design, Implement, Operate, and Optimize. Prepare: Defini... 1
- Explain Cisco SONA Architecture in detail The Cisco Service-Oriented Network Architecture (SONA) is a conceptual architecture that describes how to design networks to be more agile,... 1
- Write short note on the following: i. DHCP ii. DNS iii. HTTP i. DHCP (Dynamic Host Configuration Protocol) DHCP is a network protocol used to assign dynamic IP addresses and other network configuration... 1
- Why is three-way handshake needed? What is the problem if we send only two packets Problem regarding 2-way handshake The only real problem with a 2-way handshake is that duplicate packets from a previous connection( which h... 1
- Explain three ways handshake technique in TCP. The "three-way handshake" is the procedure used to establish a connection. This procedure normally is initiated by one TCP and responded to... 1
- Write short note on NAT. Network Address Translation (NAT) is a crucial technology used in computer networks, especially within homes and businesses. It primarily se... 1
- What is routing. Explain Distance vector routing with an example. Routing is the process of choosing the path that packets take from source to destination across a network. In distance vector routing, each... 1
- Compare and contrast IPv4 vs. IPv6. Feature IPv4 IPv6 Address Length 32 bits (approximately 4.3 billion addresses) 128 bits (approximately 340 undecillion addresses) Address No... 1
- Write short note on Sliding window protocol. Sliding Window Protocols: Inspite of the use of timers, the stop and wait protocol still suffers from a few drawbacks. Firstly, if the recei... 1
- What is Channel Allocation problem? Explain in short pure and slotted ALOHA. The Channel Allocation problem refers to the challenge of efficiently allocating a shared communication channel, such as a radio frequency o... 1
- Obtain the 4-bit CRC code for the data bit sequence 10011011100 using the polynomial x 4 +x 2 +1. Final Code : 100110111001100 divisor : x⁴ +x² +1 = x⁴ +x³+x² +x+1 = 10101 n=5 no of bits to be added = n-1 = 5-1=4 divdend= 100110111000000 1
- 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... 2
- Describe the different guided transmission medias used in the network. GUIDED TRANSMISSION MEDIA The physical layer is to transport bits from one machine to another. Various physical media can be used for the ac... 1
- Compare and contrast Circuit switched network and packet switched network. A comparison of circuit switched and packet-switched networks 2