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Explain Bus Topology.
The physical Bus topology is the easiest and most widely used of the network designs. It having of one continuous length of cable (trunk) and a terminating resistor (terminator) at each end. Data communication message travels with the bus in both directions until it is picked up by a workstation or server NIC. If the message is missed or not recognized, it reaches the end of the cabling and dissipates at the terminator.
QUESTION a) List the seven layers of the ISO-OSI model and briefly describe the role of each layer b) Describe the functions of the following intermediate systems- Rep
DNS - Protocol Attacks Generally, in the DNS protocol, flaws are based on the implementation issues. The three common issues are generally, associated which can be of one of t
Ans) UDP TCP SPX
Advantages of OSPF OSPF an is having different advantages. These are as follows. OSPF is an open standard supported by many vendors. OSPF converges quickly. OSPF au
What is multicast routing? Sending a message to a group is known as multicasting, and its routing algorithm is known as multicast routing.
What are firewalls? Firewalls serve to protect an internal network from external attacks. These external threats can be hackers who need to steal data or computer viruses that
Difference between Authentication and Deauthentication Authentication: Used to establish the self of stations to each other. Deauthentication: This service is appealed whene
Why it is necessary to have layering in a network? A computer network is a very complex system. It becomes very difficult to execute as a single entity. The layered approach di
Question: (a) What do you meant by the term ‘LAN'? How is a LAN different from a WAN? (b) Explain three types of cables which are commonly used with LANs. (c) Three com
Explain L2F protocol?
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