Teaching Rajasthan Librarian Grade-II 2024 Mock Test Library Science Information Technology Internet & Internet Protocols
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