Answer:
B. B2B
Explanation:
E Commerce refers to transaction of goods, services on Internet Medium.
B2B E Commerce: 'Business to Business' E Commerce is a business whose goods & services consumers are other businesses itself (rather than end consumers). Eg- Â E Commerce Businesses selling accounting softwares to businesses, businesses.
So,'NetKnowledge' an online company providing support to other businesses in their website management - is a B2B E Commerce.
B2C is 'Business to Consumer' E Commerce , catering to Consumer Needs. Eg: Amazon.