Which of the following are ISDN services?

(i) RSS

(ii) Teletext

(iii) Voice mail

(iv) Video conference

1
(i), (iii) and (iv) are correct 
2
(i), (ii) and (iv) are correct 
3
(ii), (iii) and (iv) are correct 
4
(i), (ii) and (iii) are correct

Sponsored

hivanix.in

Visit

This quiz is brought to you by hivanix.in

🌐 Web App Development

Quick Navigation