The 70-599 exam has the title: PRO: Designing and Developing Windows Phone Applications. If you pass this exam you get a Windows Phone Developer Certification. In case of this exam , you have to retake every two years in order to keep your certification renewed.The test measures several relevant skills that includeDesigning strategies for data accessThis includes sending and receiving the data; strategies used for storage of data; planning for low network band width and disconnected scenarios. These skills weigh around 19 % on your exams.Next section concerns with the design and implementation of notification strategies. This includes planning on push notifications on the server and on the applications. This art would make 17 % of the exam. Platform API’s , choosers and tasks come in this section which will be around 21 % of your certification exam. You need to have a good knowledge of relevant material like application navigation , multi touch and gestures , sensor interaction , and should know the designing and implementation of these. The fourth section , which makes up another 21 % of your exam , tests your knowledge related to application architecture. This would include skill in tasks like managing life cycle of application and preparing them in accordance with the market place requirements as they apply to Windows Phone Apps. You should be good a designing threading and monitoring tune performance as well. The final section is about designing of the user interface. This part is about 22 % of your actual certification exam. Skills like designing of the control usage of windows Phone and recommending keyboard layout in particular situations. System colors , themes , appearances will also be included. Unfortunately there is no classroom training available for this test , neither is any e book been prepared particularly for its preparation. Still , a study plan has been given by windows and is called 70-599 Learning Plan which is easily accessible on the internet.Apart from this , you can go for additional prep materials and as you begin your search you will come across many websites that would offer it for free. If you find lengthy practice sessions and worthwhile material , you may want to purchase a study packet as well. Most websites offer you a prelude first. Make sure you try what you are going to buy. Practice as much as you can and stay updated so that you can opt for a superior opportunity. The 70-599 exam has the title: PRO: Designing and Developing Windows Phone Applications. If you pass this exam you get a Windows Phone Developer Certification. In case of this exam , you have to retake every two years in order to keep your certification renewed.The test measures several relevant skills that includeDesigning strategies for data accessThis includes sending and receiving the data; strategies used for storage of data; planning for low network band width and disconnected scenarios. These skills weigh around 19 % on your exams.Next section concerns with the design and implementation of notification strategies. This includes planning on push notifications on the server and on the applications. This art would make 17 % of the exam. Platform API’s , choosers and tasks come in this section which will be around 21 % of your certification exam. You need to have a good knowledge of relevant material like application navigation , multi touch and gestures , sensor interaction , and should know the designing and implementation of these. The fourth section , which makes up another 21 % of your exam , tests your knowledge related to application architecture. This would include skill in tasks like managing life cycle of application and preparing them in accordance with the market place requirements as they apply to Windows Phone Apps. You should be good a designing threading and monitoring tune performance as well. The final section is about designing of the user interface. This part is about 22 % of your actual certification exam. Skills like designing of the control usage of windows Phone and recommending keyboard layout in particular situations. System colors , themes , appearances will also be included. Unfortunately there is no classroom training available for this test , neither is any e book been prepared particularly for its preparation. Still , a study plan has been given by windows and is called 70-599 Learning Plan which is easily accessible on the internet.Apart from this , you can go for additional prep materials and as you begin your search you will come across many websites that would offer it for free. If you find lengthy practice sessions and worthwhile material , you may want to purchase a study packet as well. Most websites offer you a prelude first. Make sure you try what you are going to buy. Practice as much as you can and stay updated so that you can opt for a superior opportunity.