Which of the following ISO level is more closely related to ...

MCQ

Which of the following ISO level is more closely related to the physical communications facilities?

Application

Session

Networking

Data Link

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MCQ

Which of the following statements is correct for the use of packet switching?

the subdivision of information into individually addressed packets in conjunction with alternative routing arrangement enabled the transmission path to be altered in the event of congestion or individ

the employment of additional intelligence within the network enabled more sophisticated error control and link control procedures to be applied

by employing wide bandwidth circuits for the trunk networks substantial economies through extensive sharing of capacity could be achieved.

All of the above

None of the above

Discussion

MCQ

The Token-Ring architecture was developed for a more efficient way to determine who should be transmitting at any one time. With Ethernet, collisions may take place, causing the transmitting computers to have to retransmit their data. The use of token guarantees that only one computer can transmit at a time. What happens as the network increases in size? Choose the best answer

An additional token is added for every 1,000 nodes

The speed of the Token-Ring network must be 16Mbps if the number of nodes is greater then 500

The network becomes less efficient

After the number of nodes exceeds 550, the Multistation Access Unit must be replaced by the more powerful Hyperstation Unified Bandwidth device

The network becomes more efficient

Discussion

MCQ

What is the main purpose of a data link content monitor?

to detect problems in protocols

to determine the type of transmission used in a data link

to determine the type of switching used in a data link.

to determine the flow of data

None of the above

Discussion

MCQ

Which of the following condition is used to transmit two packets over a medium at the same time?

Contention

Collision

Synchronous

Asynchronous

None of the above

Discussion

MCQ

Which of the following statements is correct?

characteristic of the hub architecture of ARC-net is alternative routing.

characteristic of LAN is unlimited expansion

characteristic of LAN is low cost access for low bandwidth channels

characteristic of the hub architecture of ARC-net is directionalized transmission

None of the above

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Miscellaneous or General

Computer Basics

Computer Softwares

History and Generations

CPU and its components

Computer Languages

Computer Hardware

Input Devices

Output Devices

Computer Memory

Digital Logic Gate

Number System

Computer Codes

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Disk Operating System (DOS)

Database Systems

Computer Security and Viruses

Mixed

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Files and its types

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