Privacy Enhanced Mail was proposed by the Internet Engineering Task Force and is a standard that uses 3DES symmetric key encryption and RSA for key exchanges and digital signatures. _________________________

All of the following are popular Web browsers today EXCEPT ________

A) Chrome B) Internet Explorer C) Safari D) Netscape

Select all that apply. Which of the following operations can be performed on a binary search tree?

a. moving b. inserting c. finding d. placing e. deleting