Which of the following aims to restrict certain dangerous substances commonly used in electronics
and electronic equipment?

A.
RoHS directive

B.
IEEE standards

C.
IETF standards

D.
W3C standards

Explanation:

The Restriction of Hazardous Substances (RoHS) directive aims to restrict certain dangerous
substances commonly used in electronics and electronic equipment.
Answer option D is incorrect. The World Wide Web Consortium (W3C) is an international industry
consortium that develops common standards for the World Wide Web to promote its evolution and
interoperability. It was founded in October 1994 by Tim Berners-Lee, the inventor of the
Web, at the Massachusetts Institute of Technology, Laboratory for Computer Science [MIT/LCS] in
collaboration with CERN, where the Web had originated , with support from DARPA and the
European Commission.
Answer option C is incorrect. Internet Engineering Task Force (IETF) is an open international
community of network designers, operators, vendors, and researchers concerned with the evolution
of the Internet architecture and coordination of the operation and management of the Internet. It
works towards introducing procedures for new technologies on the Internet. IETF specifications are
released in Requests for
Comments (RFCs).
Answer option B is incorrect. The Institute of Electrical and Electronic Engineers (IEEE) is a society of
technical professionals. It promotes the development and application of electro-technology and
allied sciences. IEEE develops communications and network standards, among other activities. The
organization publishes number of journals, has many local chapters, and societies in specialized
areas.
Reference. “http.//www.rohs.gov.uk/Default.aspx”