MuleSoft MCIA-Level-1-Maintenance 問題集

質問 1：
A system API EmployeeSAPI is used to fetch employee's data from an underlying SQL database.
The architect must design a caching strategy to query the database only when there is an update to the employees stable or else return a cached response in order to minimize the number of redundant transactions being handled by the database.
What must the architect do to achieve the caching objective?
A. Use a Scheduler with a fixed frequency every hour triggering an invalidate cache flow Use an object store caching strategy and set expiration interval to 1-hour
B. Use an On Table Row on employees table and call invalidate cache
Use an object store caching strategy and expiration interval to empty
C. Use a Scheduler with a fixed frequency every hour triggering an invalidate cache flow Use an object store caching strategy and expiration interval to empty
D. Use an on table rule on employees table call invalidate cache and said new employees data to cache Use an object store caching strategy and set expiration interval to 1-hour
正解：B

質問 2：
An organization is migrating all its Mule applications to Runtime Fabric (RTF). None of the Mule applications use Mule domain projects.
Currently, all the Mule applications have been manually deployed to a server group among several customer hosted Mule runtimes.
Port conflicts between these Mule application deployments are currently managed by the DevOps team who carefully manage Mule application properties files.
When the Mule applications are migrated from the current customer-hosted server group to Runtime Fabric (RTF), fo the Mule applications need to be rewritten and what DevOps port configuration responsibilities change or stay the same?
A. NO, The Mule applications do NOT need to be rewritten
DevOps MUST STILL manage port conflicts
B. Yes, the Mule applications Must be rewritten
DevOps Must Still Manage port conflicts.
C. Yes, the Mule applications Must be rewritten
DevOps No Longer needs to manage port conflicts between the Mule applications
D. NO, the Mule applications do NO need to be rewritten
DevOps NO LONGER needs to manage port conflicts between the Mule applications.
正解：A
解説: (Topexam メンバーにのみ表示されます)

質問 3：
An organization has strict unit test requirement that mandate every mule application must have an MUnit test suit with a test case defined for each flow and a minimum test coverage of 80%.
A developer is building Munit test suit for a newly developed mule application that sends API request toan external rest API.
What is the effective approach for successfully executing the Munit tests of this new application while still achieving the required test coverage for the Munit tests?
A. Create a mocking service flow to simulate standard responses from the rest API and then configure the mule flows to call the marking service flow
B. Invoke the external endpoint of the rest API from the mule floors
C. Mark the rest API invocations in the Munits and then call the mocking service flow that simulates standard responses from the REST API
D. Mock the rest API invocation in the Munits and return a mock response for those invocations
正解：D

質問 4：
An insurance provider is implementing Anypoint platform to manage its application infrastructure and is using the customer hosted runtime for its business due to certain financial requirements it must meet. It has built a number of synchronous API's and is currently hosting these on a mule runtime on one server These applications make use of a number of components including heavy use of object stores and VM queues.
Business has grown rapidly in the last year and the insurance provider is starting to receive reports of reliability issues from its applications.
The DevOps team indicates that the API's are currently handling too many requests and this is over loading the server. The team has also mentioned that there is a significant downtime when the server is down for maintenance.
As an integration architect, which option would you suggest to mitigate these issues?
A. Change applications by use an event-driven model
B. Add a load balancer and add additional servers in a cluster configuration
C. Increase physical specifications of server CPU memory and network
D. Add a load balancer and add additional servers in a server group configuration
正解：B

質問 5：
A company is planning to extend its Mule APIs to the Europe region. Currently all new applications are deployed to Cloudhub in the US region following this naming convention
{API name}-{environment}. for example, Orders-SAPI-dev, Orders-SAPI-prod etc.
Considering there is no network restriction to block communications between API's, what strategy should be implemented in order to apply the same new API's running in the EU region of CloudHub as well to minimize latency between API's and target users and systems in Europe?
A. Set region property to Europe (eu-de) in runtime manager for all the mule application Change the naming convention to {API name}-{environment}-{region} and communicate this change to the consuming applications and users
B. Set region property to Europe (eu-de) in API manager for all the mule application Change the naming convention to {API name}-{environment}-{region} and communicate this change to the consuming applications and users
C. Set region property to Europe (eu-de) in runtime manager for all the mule application No need to change the naming convention
D. Set region property to Europe (eu-de) in API manager for all the mule application No need to change the naming convention
正解：A

質問 6：
A rale limiting policy has been applied to a soap VI.2 API published in Clondhub. The API implementation catches errors in a global error handler on error propagate in the main flow for HTTP: RETRY_EXHAUSTED with HTTP status set to 429 and any with the HTTP status set to 500.
What is the expected H1TP status when the client exceeds the quota of the API calls?
A. HTTP status 401 unauthorized for policy violation
B. HTTP status 429 as defined in the HTTP:RETRY EXHAUSTED error handler in the API B. HTTP status 500 as defined in the ANY error handler in the API since an API:RETRY_EXHAUSTED will be generated
C. HTTP status 400 from the rate-limiting policy violation since the call does not reach the back-end
正解：B

質問 7：
An organization uses one specific CloudHub (AWS) region for all CloudHub deployments. How are CloudHub workers assigned to availability zones (AZs) when the organization's Mule applications are deployed to CloudHub in that region?
A. Workers are randomly distributed across available AZs within that region.
B. AZs are selected as part of the Mule application's deployment configuration.
C. An AZ is randomly selected for a Mule application, and all the Mule application's CloudHub workers are assigned to that one AZ
D. Workers belonging to a given environment are assigned to the same AZ within that region.
正解：A
解説: (Topexam メンバーにのみ表示されます)

質問 8：
What best describes the Fully Qualified Domain Names (FQDNs), also known as DNS entries, created when a Mule application is deployed to the CloudHub Shared Worker Cloud?
A. The FQDNs are determined by the application name chosen, IRRESPECTIVE of the region
B. A fixed number of FQDNs are created, IRRESPECTIVE of the environment and VPC design
C. The FQDNs are determined by both the application name and the region
D. The FQDNs are determined by the application name, but can be modified by an administrator after deployment
正解：C
解説: (Topexam メンバーにのみ表示されます)

質問 9：
An organization is designing a mule application to support an all or nothing transaction between serval database operations and some other connectors so that they all roll back if there is a problem with any of the connectors Besides the database connector , what other connector can be used in the transaction.
A. SFTP
B. Anypoint MQ
C. VM
D. ObjectStore
正解：C
解説: (Topexam メンバーにのみ表示されます)