11.
Which network topology requires a central controller or a hub?
(a) Star
(b) Bus
(c) Tree
(d) Mesh
12.
Which network topology requires a multipoint connection on a single cable?
(a) Star
(b) Bus
(c) Tree
(d) Mesh
13.
Which of the following devices can be used in the centre of a star topology?
(a) Router
(b) Repeater
(c) Modem
(d) Hub
14.
If a computer connected to a star topology fails, the entire network will ………..
(a) also fail
(b) work unaffectively
(c) only server will work
(d) none of these
15.
Data is converted to a form so as to travel over telephone lines usng this device.
(a) Modem
(b) Switch
(c) Router
(d) Hub
