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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-
c) Assume six devices are arranged in a mesh topology
How many cables are needed?
How many ports are needed for each device?
Transmission robustness and security Unless properly designed, a wireless LAN might be interference prone and simply eavesdropped. The design of a wireless LAN must allow relia
List of protocols in Network topology,
Q. What is Aspects of Security? - Security Attack: Any action whichcompromises the security of information owned by an organization. - Security Mechanism: A mechanism th
Ans) UDP TCP SPX
What is difference among ARP and RARP? The address resolution protocol (ARP) is used to associate the 32 bit IP address with the 48 bit physical address, used by a host or a ro
ACME Corp is located in Toledo, Ohio. They would like to create a network and divide it into 3 subnets, each subnet has 150 computers. The IT plan calls for connecting the LAN to t
Full Duplex - Capability for simultaneous data transmission among a sending station and a receiving station. It needs a workstation be attached to a switch, the NIC must support it
Radio Waves - Frequency ranges: 3 KHz to 1 GHz - Omni directional - Susceptible to interference by other antennas utilizing same frequency or band - Ideal for long-di
OSI= Open System Interconnection.
Define in details about computer networks ? Discuss a variety of types of networks topologies in computer network. Also discuss a variety of costs and disadvantage of all topology
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