Which of the following organization is responsible for defining standards for telephone and telegraph?
a) CCIT
b) IEEE
c) ISO
d) none of these
Explanation: CCIT stand for consultative committee on international telegraph and telephone
what does ITU stand for?
a) International telecommunication union
b) inter telecommunication unit
c) inter telegraph unit
d) inter telegraph union
Which of the following organization is a responsible defining data communication protocol?
a) CCIT
b) IEEE
c) ISO
d) none of these
Explanation: Institute of electrical and electronics engineers
Which of the following protocol is used for Ethernet?
a) IEEE 802.3
b) IEEE 802.4
c) IEEE 802.5
d) none of these
Which of the following protocol is used for Token bus?
a) IEEE 802.3
b) IEEE 802.4
c) IEEE 802.5
d) none of these
Which of the following protocol is used for Token Ring?
a) IEEE 802.3
b) IEEE 802.4
c) IEEE 802.5
d) none of these