Which of the following pairs performs similar functions in the online world?
A) virtual reality and hashtags
B) vCards and HTML
C) microblogging and hCards
D) presence awareness and context indicators

Question

Quizplus · Accepted Answer

Presence awareness and context indicators both provide information about a user's online status or availability. They are commonly used in messaging and collaboration platforms to help users communicate effectively in real-time. 
The other options do not perform similar functions - virtual reality and hashtags are used for different purposes, vCards and HTML serve different functions in web development, and microblogging and hCards have different applications in social media and contact management, respectively.

Which of the Following Pairs Performs Similar Functions in the Online