Refer to the exhibit.
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 belonging to a given environment are assigned to the same AZ within that region
B.
AZs are selected as part of the Mule application's deployment configuration
C.
Workers are randomly distributed across available AZs within that region
D.
An AZ is randomly selected for a Mule application, and all the Mule application's CloudHub workers are assigned to that one AZ
An AZ is randomly selected for a Mule application, and all the Mule application's CloudHub workers are assigned to that one AZ
Explanation: Explanation
Correct Answer: Workers are randomly distributed across available AZs within that region.
*****************************************
>> Currently, we only have control to choose which AWS Region to choose but there is no
control at all using any configurations or deployment options to decide what Availability
Zone (AZ) to assign to what worker.
>> There are NO fixed or implicit rules on platform too w.r.t assignment of AZ to workers
based on environment or application.
>> They are completely assigned in random. However, cloudhub definitely ensures that
HA is achieved by assigning the workers to more than on AZ so that all workers are not
assigned to same AZ for same application.
: https://help.mulesoft.com/s/question/0D52T000051rqDj/one-cloudhub-aws-region-howcloudhub-
workers-are-assigned-to-availability-zones-azs-
Graphical user interface, application
Description automatically generated
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What is the most performant out-of-the-box solution in Anypoint Platform to track
transaction state in an asynchronously executing long-running process implemented as a
Mule application deployed to multiple CloudHub workers?
A.
Redis distributed cache
B.
java.util.WeakHashMap
C.
Persistent Object Store
D.
File-based storage
Persistent Object Store
Explanation: Correct Answer: Persistent Object Store
*****************************************
>> Redis distributed cache is performant but NOT out-of-the-box solution in Anypoint
Platform
>> File-storage is neither performant nor out-of-the-box solution in Anypoint Platform
>> java.util.WeakHashMap needs a completely custom implementation of cache from
scratch using Java code and is limited to the JVM where it is running. Which means the
state in the cache is not worker aware when running on multiple workers. This type of
cache is local to the worker. So, this is neither out-of-the-box nor worker-aware among
multiple workers on cloudhub. https://www.baeldung.com/java-weakhashmap
>> Persistent Object Store is an out-of-the-box solution provided by Anypoint Platform
which is performant as well as worker aware among multiple workers running on
CloudHub. https://docs.mulesoft.com/object-store/
So, Persistent Object Store is the right answer.
Version 3.0.1 of a REST API implementation represents time values in PST time using ISO 8601 hh:mm:ss format. The API implementation needs to be changed to instead represent time values in CEST time using ISO 8601 hh:mm:ss format. When following the semver.org semantic versioning specification, what version should be assigned to the updated API implementation?
A.
3.0.2
B.
4.0.0
C.
3.1.0
D.
3.0.1
4.0.0
Explanation: Explanation
Correct Answer: 4.0.0
*****************************************
As per semver.org semantic versioning specification:
Given a version number MAJOR.MINOR.PATCH, increment the:
- MAJOR version when you make incompatible API changes.
- MINOR version when you add functionality in a backwards compatible manner.
- PATCH version when you make backwards compatible bug fixes.
As per the scenario given in the question, the API implementation is completely changing
its behavior. Although the format of the time is still being maintained as hh:mm:ss and there
is no change in schema w.r.t format, the API will start functioning different after this change
as the times are going to come completely different.
Example: Before the change, say, time is going as 09:00:00 representing the PST. Now on,
after the change, the same time will go as 18:00:00 as Central European Summer Time is
9 hours ahead of Pacific Time.
>> This may lead to some uncertain behavior on API clients depending on how they are
handling the times in the API response. All the API clients need to be informed that the API
functionality is going to change and will return in CEST format. So, this considered as a
MAJOR change and the version of API for this new change would be 4.0.0
Refer to the exhibit. An organization is running a Mule standalone runtime and has
configured Active Directory as the Anypoint Platform external Identity Provider. The organization does not have budget for other system components.
What policy should be applied to all instances of APIs in the organization to most
effecuvelyKestrict access to a specific group of internal users?
A.
Apply a basic authentication - LDAP policy; the internal Active Directory will be
configured as the LDAP source for authenticating users
B.
Apply a client ID enforcement policy; the specific group of users will configure their client applications to use their specific client credentials
C.
Apply an IP whitelist policy; only the specific users' workstations will be in the whitelist
D.
Apply an OAuth 2.0 access token enforcement policy; the internal Active Directory will be configured as the OAuth server
Apply a basic authentication - LDAP policy; the internal Active Directory will be
configured as the LDAP source for authenticating users
Explanation: Explanation
Correct Answer: Apply a basic authentication - LDAP policy; the internal Active Directory
will be configured as the LDAP source for authenticating users.
*****************************************
>> IP Whitelisting does NOT fit for this purpose. Moreover, the users workstations may not
necessarily have static IPs in the network.
>> OAuth 2.0 enforcement requires a client provider which isn't in the organizations system
components.
>> It is not an effective approach to let every user create separate client credentials and
configure those for their usage.
The effective way it to apply a basic authentication - LDAP policy and the internal Active
Directory will be configured as the LDAP source for authenticating users.
Reference: https://docs.mulesoft.com/api-manager/2.x/basic-authentication-ldap-concept
An organization wants to create a Center for Enablement (C4E). The IT director schedules a series of meetings with IT senior managers. What should be on the agenda of the first meeting?
A. Define C4E objectives, mission statement, guiding principles, a
B. Explore API monetization options based on identified use cases through MuleSoft
C. A walk through of common-services best practices for logging, auditing, exception handling, caching, security via policy, and rate limiting/throttling via policy
D. Specify operating model for the MuleSoft Integrations division
Explanation:
In the initial meeting for establishing a Center for Enablement (C4E), it’s
essential to lay the foundational vision, objectives, and guiding principles for the team.
Here’s why this is crucial:
4A developer for a transportation organization is implementing exactly one processing
functionality in a Reservation Mule application to process and store passenger
records. This Reservation application will be deployed to multiple CloudHub
workers/replicas. It is possible that several external systems could send duplicate
passenger records
to the Reservation application.
An appropriate storage mechanism must be selected to help the Reservation application
process each passenger record exactly once as much as possible. The selected storage
mechanism must be shared by all the CloudHub workers/replicas in order to synchronize
the state information to assist attempting exactly once processing of each passenger
record by the deployed Reservation Mule application.
Which type of simple storage mechanism in Anypoint Platform allows the Reservation Mule
application to update and share data between the CloudHub workers/replicas exactly
once, with minimal development effort?
A. Persistent Object Store
B. Runtime Fabric Object Store
C. Non-persistent Object Store
D. In-memory Mule Object Store
Refer to the exhibit.
what is true when using customer-hosted Mule runtimes with the MuleSoft-hosted Anypoint Platform control plane (hybrid deployment)?
A.
Anypoint Runtime Manager initiates a network connection to a Mule runtime in order to deploy Mule applications
B.
The MuleSoft-hosted Shared Load Balancer can be used to load balance API
invocations to the Mule runtimes
C.
API implementations can run successfully in customer-hosted Mule runtimes, even when they are unable to communicate with the control plane
D.
Anypoint Runtime Manager automatically ensures HA in the control plane by creating a new Mule runtime instance in case of a node failure
API implementations can run successfully in customer-hosted Mule runtimes, even when they are unable to communicate with the control plane
Explanation: Explanation
Correct Answer: API implementations can run successfully in customer-hosted Mule
runtimes, even when they are unable to communicate with the control plane.
*****************************************
>> We CANNOT use Shared Load balancer to load balance APIs on customer hosted
runtimes
Which scenario is suited for MUnit tests instead of integration tests?
A. For read-only interactions to any dependencies (such as other web APIs)
B. When testing does not require knowledge of implementation details
C. When no mocking is permissible
D. For tests that are implemented using SoapUI
Explanation:
MUnit is MuleSoft’s testing framework for creating and running automated
tests within Anypoint Studio. It is specifically designed for unit testing Mule applications and
is best suited when testing doesn’t require understanding the inner workings or
implementation details of the components being tested.
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