Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) Library Science Knowledge Organization & Information Processing Information Retrieval
Which of the following is/are true about the Z 39.50?
A. It is an international (ISO 23950) standard
B. The contextual Query Language is not based on Z 39.50 semantics
C. It was originally approved by the National Information Standards Organisation (NISO) in 1988
D. It is maintained by IFLA
Choose the correct answer from the options given below:
1
A and B only
2
A and C only
3
B and C only
4
C and D only