sap mm certification questions

Hi All,

I am having domain experience and i planning for sap MM certification.here my doubt is currently  EHP7 with ECC6.0 is running instead of EH6.

1) I came to know that exam pattern has been changed may i know is there any change in below weight age or not.

2) what are major changes with related to exam from EHP6 to EHP7.

3) Steps for success in new pattern.

There are totally 12 segments in SAP MM  exams but 60% of the questions comes from the 5 segments.

These are

1) Masrer data and Enterprise Srtucture.

2)Procurement Process

3)Inventory Management

4)Logistic Invoice Verification

5)Solution Manager and SAP over view.

Reamaining 40 questions  will be from remaining 7 segments

6)Special Processes in Procurement

7)Material Requirements Planning

8)Purchasing Optimization

9)Physhical Inventory

10)Configaring Master Data and Enterprise structure

11)Valuation and Account Determination

12)Experience from Implementation

please help me experts.