How many types
of communication devices?
a) one
b) two
c) three
d) four
Explanation: router, switch, gateway
The device that connects network nodes to a central location is called
a) router
b) switch
c) gateway
d) none of these
Which of the
following is called layer 2 device of OSI model?
a) router
b) switch
c) gateway
d) none of these
Which of the following perform traffic directing functions on the internet??
a) router
b) switch
c) gateway
d) none of these
Router operates
on which layer of OSI model?
a) physical layer
b) transport layer
c) network layer
d) none of these
Router connects LAN and WAN to the internet through…….
a) digit table
b) routing table
c) symbol table
d) none of these
