Microsoft DP-420 Practice Test : Free Online Preparation

Question 1
- One of the team members has recently joined the team and wants to manually adjust the time for which the items will remain in the cache. He asks you for help about which property from the ItemRequestOptions class should he configure. What would you suggest?
  
  A : ConsistencyLevel
  
  B : SessionToken
  
  C : MaxIntegratedCacheStalenessright
  
  D : None of these
  
  Answer: C
Question 2
- You have recently joined a new company as an App developer. Which of the following metrics would you check to know if your application uses the dedicated gateway or not?
  
  A : IntegratedCacheItemHitRate
  
  B : DedicatedGatewayRequestsright
  
  C : IntegratedCacheQueryHitRate
  
  D : DedicatedGatewayApps
  
  Answer: B
Question 3
- You have an Azure Cosmos DB Core (SQL) API account that is used by 10 web apps. You need to analyze the data stored in the account by using Apache Spark to create machine learning models. The solution must NOT affect the performance of the web apps. Which two actions should you perform? Each correct answer presents part of the solution. NOTE: Each correct selection is worth one point.
  A : In an Apache Spark pool in Azure Synapse, create a table that uses cosmos.olap as the data source.
  
  B : Create a private endpoint connection to the account.
  
  C : In an Azure Synapse Analytics serverless SQL pool, create a view that uses OPENROWSET and the CosmosDB provider.
  
  D : Enable Azure Synapse Link for the account and Analytical store on the container.
  
  E : In an Apache Spark pool in Azure Synapse, create a table that uses cosmos.oltp as the data source.
  
  Answer: A,D
Question 4
- You have an Azure Cosmos DB Core (SQL) API account that has multiple write regions.
  You need to receive an alert when requests that target the database exceed the available request units per
  second (RU/s).
  Which Azure Monitor signal should you use?
  A : Data Usage
  
  B : Provisioned Throughput
  
  C : Total Request Units
  
  D : Document Count
  
  Answer: C
Question 5
- Which CosmosClient constructor would you suggest to your friend, when he has two string variables for the account endpoint and key along with a CosmosClientOptions object?
  
  A : new CosmosClient(CosmosClientOptions)
  
  B : new CosmosClient(string, CosmosClientOptions)
  
  C : new CosmosClient(string, string, CosmosClientOptions)right
  
  D : new CosmosClient(sThe constructor that considers two string parameters and one configuration object is designed to use with an endpoint and key. Therefore, the right constructor to use is: new CosmosClient(string, string, CosmosClientOptions)
  Option A is incorrect. There is no constructor that doesn't take even a single string parameter.
  Option B is incorrect. The constructor that has a single string parameter needs a connection string.
  Option C is correct. The constructor that considers two string parameters and one configuration object is designed to use with an endpoint and key.
  Option D is incorrect. The given constructor is not valid.
  Reference:
  To know more about CosmosClient Constructors, please visit the below-given link:
  https://docs.microsoft.com/en-us/dotnet/api/microsoft.azure.cosmos.cosmosclient.-ctor
  
  Answer: C

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