Practice exams are very helpful and difficulty level is on par with 250-556 exam.

The practice exams are incredibly beneficial, and the level of difficulty matches that of the 250-556 exam. The detailed answers and explanations allow for a thorough review of one's understanding from an exam perspective. If one achieves a comfortable margin in both the CertFun practice exams and the Symantec ProxySG Administration sample exam, it's a good indication that they are well-prepared for the actual test.