Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) Library Science Information Technology Telecommunication & Wireless Communication
Which of the following are communication networks?
A. Public Data Network
B. Integrated Services Digital Network
C. Developing Library Network
D. Public Telephone network
Choose the correct answer from the options given below:
1
A and B only
2
C and D only
3
A and C only
4
B and D only