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….. is/are an expansion card that enable a computer to connect network.
a) modem            

b) network interface card
c) analog signal                   

d) none of these

b

There are …. common types of physical transmission media.
a) one    

b) two                                    

c) three

d) al

c

Explanation:twisted pair cable, coaxial cable, fiber optic cable



Types of twisted pair cable.
a) one    

b) two                                    

c) three

d) four

b

Explanation:unshielded twisted pair, shielded twisted pair



Characteristic of twisted pair cable.
a) least expensive                               

b) easy to install
c) both a & b                                       

d) none of these

c

A type of wire that consists of center wire surrounded by insulation and shield of braided.
a) twisted pair                                      

b) coaxial cable
c) fiber optic                                        

d) none of these

b

A type of cable that uses glass threads to transmit data is called.
a) twisted pair                                      

b) coaxial cable
c) fiber optic                                       

d) all of these

c