Multiple inheritance causes Diamond problem which happens when:
Class A is parent of class B and C
Now when class D will be inherited from both Class B and C it will have all the members of class A and B which if same will confuse the compiler to import which one?
C++ solves it by using virtual keyword with them and thus telling the compiler which one to inherit.
Java has introduced the interface concept rather then allowing multiple inheritance.
The connector for ethernet cables is called RJ45. for phone jack is RJ11. Although they look the same, the RJ11 has only 4 leads, as opposed to 9 leads in RJ45. Also, RJ11 is not as wide as RJ45, so the connector does not fit.
Even if it would, the signals would be totally incompatible, so no success can be expected.
The answer is SOPA or Stop Online Piracy Act. This bill was introduced by Lamar Smith a representative in US. Lamar passed this bill in the United states to enforce the law to combat online copyright, online trafficking, and other cyber crimes. There are many provisions on this bill including the court orders to request ISP (Internet Service Provided) to block access to that website.