Exam 70-487 topic 3 question 11 discussion

Actual exam question from Microsoft's 70-487

Question #: 11
Topic #: 3

The GetVendors() action in the ProcessedOrderController controller is querying the database each time it is run. The GetVendors() action must query the database only if the cache is null.
You need to add code to the action at line PC33 to cache the data.
Which code segment can you use? (Each correct answer presents a complete solution. Choose all that apply.)

A. cache.Set(new CacheItem("vendorKey", vendors), GetVendorPolicy());
B. cache.Add("vendors", vendors, new CacheItemPolicy());
C. cache.Add(new CacheItem("vendorKey", vendors) , GetVendorPolicy());
D. cache.AddOrGetExisting("vendorKey", context, new CacheItemPolicy()); AC

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Suggested Answer: Explanation 🗳️

by MaverickCalibre at Dec. 23, 2019, 7:37 a.m.

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JithJohn

Highly Voted 5 years, 5 months ago

A and C are correct

upvoted 12 times

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MaverickCalibre

Highly Voted 5 years, 6 months ago

https://docs.microsoft.com/en-us/dotnet/api/system.runtime.caching.memorycache?redirectedfrom=MSDN&view=netframework-4.8#methods

upvoted 7 times

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pizzaHawai

Most Recent 4 years, 5 months ago

A & C are correct. D would have been if correct if 'context' would be replaced with 'vendors'. Add() will perform a AddOrGetExisting() behind the scenes https://stackoverflow.com/a/20559780/4884274

upvoted 1 times

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