Learn and Examine Yourself

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কম্পিউটার ও তথ্য প্রযুক্তি

কম্পিউটার নেটওর্য়াক

1.	Which of the following connectivity devices typically work at the physical layer of the OSI model?

Router

Bridge

Repeater

Gateway

2.	You must install this on a network if you want to share a broadband internet connection?

Router

Modem

Node

Cable

3.	Which of the following is not in OSI model?

Physical layer

Internet layer

Transport layer

None

4.	The function of Gateway is ---

To connect two dissimilar networks

To connect two similar networks

To connect two computer in a LAN

To connect a printer within a LAN

5.	Which one of the following devices is specially designed to forward packets over the internet to specific ports based on the packet’s address?

Speciality hub

Switching hub

Port hub

Filtering hub

6.	What does Router do in Network?

Forwards a packet to all outgoing links

Forwards a packet to the next free outgoing link

Determiners on which outgoing link a packet is to be forwarded

None of these