Looking for Security+ certification.

I'm seeking for Security+ certification.CompTIA’s Security+ certification is designed for IT professionals who have two years on-the-job networking experience, with an emphasis on security. The Security+ certification is an entry-level, vendor-neutral certification. It makes a great stepping-stone to more advanced certifications, such as the ISC2 SSCP and CISSP, and the SANS GIAC.(SY0-101) . I uses free stuff of ucertify where they are offering 15 free questions, 28 free study notes. If anyone has purchased it tell me how is the exam simulation.I attempted few questions, are damn hard.