​With respect to Internet, the full-form of ISP is: ​

Correct option is A

The correct answer is (A) Internet Service Provider.

Explanation:
ISP refers to companies that provide access to the internet. 

Information Booster:

• ISP: Provides internet connection and related services like email, web hosting. Examples include Jio, Airtel, and BSNL.
• ISPs are regulated by government authorities like TRAI in India.
• Broadband, 4G, and 5G networks are offered by ISPs for high-speed internet access.
• The speed and quality of service depend on the bandwidth provided by the ISP.