UGC NET Paper1 Previous Year Solved Papers - 3rd December 2019 Morning Shift
- Option : D
- Explanation : A fourth generation (programming) language (4GL) is a grouping of programming languages that attempt to get closer than 3GLs to human language, form of thinking and conceptualization. Fourth generation languages are commonly used in database programming and scripts examples include Perl, PHP, Python, Ruby, and SQL. Structured Query Language (SQL) is a standard computer language for relational database management and data manipulation. SQL is used to query, insert, update and modify data.
- Option : A
- Explanation : Biosphere reserves are areas comprising terrestrial, marine and coastal ecosystems. Each reserve promotes solutions reconciling the conservation of biodiversity with its sustainable use. These are nominated by national goveroments and remain under the sovereigu jurisdiction of the states where they are located.
- Option : A
- Explanation : Sniffing is a process of monitoring and capturing all data packets passing through given network. Sniffers are used by network/system administrator to monitor and troubleshoot network traffic. Sniffing technique is used by network professionals to diagnose network issues, and by malicious users to capture unencrypted data, like passwords and usernames.
