Download Microsoft.70-487.PracticeTest.2019-03-23.97q.tqb
| Vendor: | Microsoft |
| Exam Code: | 70-487 |
| Exam Name: | Developing Windows Azure and Web Services |
| Date: | Mar 23, 2019 |
| File Size: | 9 MB |
Demo Questions
Question 1
Errors occasionally occur when saving data using the FlightInfoContext ADO.NET Entity Framework context. Updates to the data are being lost when an error occurs.
You need to ensure that data is still saved when an error occurs by retrying the operation. No more than five retries should be performed.
Which code segment should you use as the body of the SaveChanges() method in the FlightInfoContext.es file?
- Option A
- Option B
- Option C
- Option D
Correct answer: A
Question 2
You are adding a new REST service endpoint to the FlightDataController controller. It returns flights from the consolidated data sources only for flights that are late.
You need to write a LINQ to Entities query to extract the required data.
Which code segment should you use?
- Option A
- Option B
- Option C
- Option D
Correct answer: D
Question 3
Data provided by Consolidated Messenger is cached in the HttpContext.Cache object. You need to ensure that the cache is correctly updated when new data arrives.
What should you do?
- Ensure that the EffectivePrivateBytesLimit value is greater than the size of the database file.
- Change the sliding expiration of the cache item to 12 hours.
- Use the SqlCacheDependency type configured with a connection string to the database file.
- Use the CacheDependency type configured to monitor the SFTP target folder.
Correct answer: D
