When would you prefer Switch over other network devices
Pass information only to the selected destination or node. Higher transmission speed
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IP Class 12 Tutorial
When would you prefer Bridges over hubs
Multiply network capacity by joining multiple networks. Filter and forward data signals to other nodes using same protocol. Build large network infrastructure
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Discuss the role of following device in the context of networking Gateway
A gateway is a node considered as the entrance point to other networks, so that different networks can communicate with each other. It connects different network follows different protocols and different properties. Gateway can be any software, hardware or combination of both. Gateway can acts as a proxy server or firewall.
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Discuss the role of following device in the context of networking Bridge
A bridge is hardware networking device used to build communication among different computer network (LANs) that follows same protocols. Bridge helps in increasing network capacity by joining multiple networks. Bridge is more intelligent device as it knows which computer is part of which side and so allow those messages to get to the other side
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role of following device in the context of networking Router
A router is a hardware networking device that connects multiple physical networks that follows different protocols. A router is responsible for receiving, analyzing and moving incoming data packets to another network. A router ensures that packets are travelling the most efficient paths to their destinations based on data properties. A router is best suitable for
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What is the role of switch in a network
– A switch is a hardware networking device that connects multiple nodes, receives information from all nodes and sends it only to the selected node.– A switch has multiple ports to connect with multiple nodes.– A switch is called intelligent hub as it analyses and receives data and send it to intended node. A switch
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What are the hubs and its various types
– A hub is hardware networking device that connects multiple nodes in a network and send and receive data from all the connected nodes.– A hub contains multiple ports that are used to connect multiple nodes.– A hub is best suitable device for creating small home network (LAN). – A hub transmits data in half
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What is network its goals and applications
A computer network is a system in which two or more autonomous computers are connected to each other. These computers can share information and other resources. A computer network may also include peripherals such as printers, scanners, webcams, speakers, headphones, microphones etc. you can use these devices to send and receive data and perform tasks,
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12. For the given database STUDENT-PROJECT, answer the following:
(a) Name primary key of each table.
(b) Find foreign key(s) in table PROJECT-ASSIGNED.
a) Name primary key of each table.b) Find foreign key(s) in table PROJECT-ASSIGNED.c) Is there any alternate key in table STUDENT? Give justification for your answer.d) Can a user assign duplicate value to the field RollNo of STUDENT table? Justify. Ans:(a) Table Primary key Student Registration_ID Project ProjectNo Project_assigned – (b) Registration_ID and ProjectNo(c) Yes,
School uniform is available at M/s Sheetal Private Limited. They have maintained SCHOOL_UNIFORM Database with two relations viz. UNIFORM and COST. The following figure shows database schema and its state.
(a) Can they insert the following tuples to the UNIFORM Relation? Give reasons in support of your answer.(i) 7, Handkerchief, NULLAns: Yes, it can be inserted as UColor does not have Not Null constraint.(ii) 4, Ribbon, RedAns: No, it cannot be inserted as UCode is Primary key and 4 is already existing and so we