Instant Access MuleSoft.MCIA-Level-1.v2022-08-31.q103 Actual Practice Test Engine for Free (Page 12)

Question 51

An API client is implemented as a Mule application that includes an HTTP Request operation using a default configuration. The HTTP Request operation invokes an external API that follows standard HTTP status code conventions, which causes the HTTP Request operation to return a 4xx status code.
What is a possible cause of this status code response?

A.An error occurred inside the external API implementation when processing the HTTP request that was received from the outbound HTTP Request operation of the Mule application
B.The external API reported that the API implementation has moved to a different external endpoint
C.The HTTP response cannot be interpreted by the HTTP Request operation of the Mule application after it was received from the external API
D.The external API reported an error with the HTTP request that was received from the outbound HTTP Request operation of the Mule application

Correct Answer: D

Correct choice is: "The external API reported an error with the HTTP request that was received from the outbound HTTP Request operation of the Mule application" Understanding HTTP 4XX Client Error Response Codes : A 4XX Error is an error that arises in cases where there is a problem with the user's request, and not with the server.
Such cases usually arise when a user's access to a webpage is restricted, the user misspells the URL, or when a webpage is nonexistent or removed from the public's view.
In short, it is an error that occurs because of a mismatch between what a user is trying to access, and its availability to the user - either because the user does not have the right to access it, or because what the user is trying to access simply does not exist. Some of the examples of 4XX errors are
400 Bad Request The server could not understand the request due to invalid syntax. 401 Unauthorized Although the HTTP standard specifies "unauthorized", semantically this response means "unauthenticated". That is, the client must authenticate itself to get the requested response. 403 Forbidden The client does not have access rights to the content; that is, it is unauthorized, so the server is refusing to give the requested resource. Unlike 401, the client's identity is known to the server. 404 Not Found The server can not find the requested resource. In the browser, this means the URL is not recognized. In an API, this can also mean that the endpoint is valid but the resource itself does not exist. Servers may also send this response instead of 403 to hide the existence of a resource from an unauthorized client. This response code is probably the most famous one due to its frequent occurrence on the web. 405 Method Not Allowed The request method is known by the server but has been disabled and cannot be used. For example, an API may forbid DELETE-ing a resource. The two mandatory methods, GET and HEAD, must never be disabled and should not return this error code. 406 Not Acceptable This response is sent when the web server, after performing server-driven content negotiation, doesn't find any content that conforms to the criteria given by the user agent. The external API reported that the API implementation has moved to a different external endpoint cannot be the correct answer as in this situation 301 Moved Permanently The URL of the requested resource has been changed permanently. The new URL is given in the response. ----------------------------------------------------------------------------------------------------------------------------------------------- In Lay man's term the scenario would be: API CLIENT -> MuleSoft API - HTTP request "Hey, API.. process this" -> External API API CLIENT <- MuleSoft API - http response "I'm sorry Client.. something is wrong with that request" <- (4XX) External API

Question 52

Refer to the exhibit.

A business process involves two APIs that interact with each other asynchronously over HTTP. Each API is implemented as a Mule application. API 1 receives the initial HTTP request and invokes API 2 (in a fire and forget fashion) while API 2, upon completion of the processing, calls back into API l to notify about completion of the asynchronous process.
Each API Is deployed to multiple redundant Mule runtimes and a separate load balancer, and is deployed to a separate network zone.
In the network architecture, how must the firewall rules be configured to enable the above Interaction between API 1 and API 2?

A.To enable communication from each API's Mule runtimes and network zone to the toad balancer of the other API
B.To open direct two-way communication between the Mule runtimes of both APIs
C.To allow communication between the load balancers used by each API
D.To authorize the certificates used by both the apis

Question 53

A mule application is deployed to a Single Cloudhub worker and the public URL appears in Runtime Manager as the APP URL.
Requests are sent by external web clients over the public internet to the mule application App url. Each of these requests routed to the HTTPS Listener event source of the running Mule application.
Later, the DevOps team edits some properties of this running Mule application in Runtime Manager.
Immediately after the new property values are applied in runtime manager, how is the current Mule application deployment affected and how will future web client requests to the Mule application be handled?

A.Cloudhub will redeploy the Mule application to the OLD Cloudhub worker New web client requests will RETURN AN ERROR until the Mule application is redeployed to the OLD Cloudhub worker
B.CloudHub will redeploy the Mule application to a NEW Cloudhub worker New web client requests will RETURN AN ERROR until the NEW Cloudhub worker is available
C.Cloudhub will redeploy the Mule application to a NEW Cloudhub worker New web client requests are ROUTED to the OLD Cloudhub worker until the NEW Cloudhub worker is available.
D.Cloudhub will redeploy the mule application to the OLD Cloudhub worker New web client requests are ROUTED to the OLD Cloudhub worker BOTH before and after the Mule application is redeployed.

Question 54

What limits if a particular Anypoint Platform user can discover an asset in Anypoint Exchange?

A.The business groups to which the user belongs
B.The type of the asset in Anypoint Exchange
C.The existence of a public Anypoint Exchange portal to which the asset has been published
D.Design Center and RAML were both used to create the asset

Question 55

A Mule application uses the Database connector.
What condition can the Mule application automatically adjust to or recover from without needing to restart or redeploy the Mule application?

A.One of the stored procedures being called by the Mule application has been renamed
B.The credentials for accessing the database have been updated and the previous credentials are no longer valid
C.The database server was unavailable for four hours due to a major outage but is now fully operational again
D.The database server has been updated and hence the database driver library/JAR needs a minor version upgrade

Question 51

Question 52

Question 53

Question 54

Question 55

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