In which layer of API-led connectivity, does the business logic orchestration reside?
A.
System Layer
B.
Experience Layer
C.
Process Layer
Process Layer
Explanation: Explanation
Correct Answer: Process Layer
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>> Experience layer is dedicated for enrichment of end user experience. This layer is to
meet the needs of different API clients/ consumers.
>> System layer is dedicated to APIs which are modular in nature and implement/ expose
various individual functionalities of backend systems
>> Process layer is the place where simple or complex business orchestration logic is
written by invoking one or many System layer modular APIs
So, Process Layer is the right answer.
What is true about the technology architecture of Anypoint VPCs?
A.
The private IP address range of an Anypoint VPC is automatically chosen by CloudHub
B.
Traffic between Mule applications deployed to an Anypoint VPC and on-premises
systems can stay within a private network
C.
Each CloudHub environment requires a separate Anypoint VPC
D.
VPC peering can be used to link the underlying AWS VPC to an on-premises (non
AWS) private network
Traffic between Mule applications deployed to an Anypoint VPC and on-premises
systems can stay within a private network
Explanation: Explanation
Correct Answer: Traffic between Mule applications deployed to an Anypoint VPC and onpremises
systems can stay within a private network
*****************************************
>> The private IP address range of an Anypoint VPC is NOT automatically chosen by
CloudHub. It is chosen by us at the time of creating VPC using thr CIDR blocks.
CIDR Block: The size of the Anypoint VPC in Classless Inter-Domain Routing (CIDR)
notation.
For example, if you set it to 10.111.0.0/24, the Anypoint VPC is granted 256 IP addresses
from 10.111.0.0 to 10.111.0.255.
Ideally, the CIDR Blocks you choose for the Anypoint VPC come from a private IP space,
and should not overlap with any other Anypoint VPC’s CIDR Blocks, or any CIDR Blocks in
use in your corporate network.
Refer to the exhibit.
A.
Option A
B.
Option B
C.
Option C
D.
Option D
Option A
Explanation: Explanation
Correct Answer: Ask the Marketing Department to interact with a mocking implementation
of the API using the automatically generated API Console.
*****************************************
As per MuleSoft's IT Operating Model:
>> API consumers need NOT wait until the full API implementation is ready.
>> NO technical test-suites needs to be shared with end users to interact with APIs.
>> Anypoint Platform offers a mocking capability on all the published API specifications to
Anypoint Exchange which also will be rich in documentation covering all details of API
functionalities and working nature.
>> No needs of arranging days of workshops with end users for feedback.
API consumers can use Anypoint Exchange features on the platform and interact with the
API using its mocking feature. The feedback can be shared quickly on the same to
incorporate any changes.
Which statement is true about identity management and client management on Anypoint Platform?
A. If an external identity provider is configured, the SAML 2.0 bearer tokens issued by the identity provider cannot be used for invocations of the Anypoint Platform web APIs
B. If an external client provider is configured, it must be configured at the Anypoint Platform organization level and cannot be assigned to individual business groups and environments
C. Anypoint Platform supports configuring one external identity provider
D. Both client management and identity management require an identity provider
Explanation:
Anypoint Platform allows organizations to integrate one external identity
provider (IdP) for identity and access management (IAM), supporting SSO and centralized
user authentication.
A company deployed an API to a single worker/replica in the shared cloud in the U.S. West Region. What happens when the Availability Zone experiences an outage?
A. CloudHub will auto-redeploy the APL in the U.S. East Region
B. The APT will be unavailable until the availability comes back online, at which time the worker/replica will be auto-restarted
C. CloudHub will auto-redeploy the API in another Availability Zone in the U.S. West Region
D. The Anypoint Platform admin is alerted when the AP] is experiencing an outage and needs the trigger the CI/CD pipeline to redeploy to the US. East Region
Explanation:
In a CloudHub deployment with a single worker/replica located in a specific
Availability Zone (AZ), if an AZ experiences an outage, here’s what happens:
Worker Availability: Since the application is deployed in a single AZ, CloudHub
does not automatically redeploy the application in a different zone or region during
an outage. Thus, if the current AZ is unavailable, the application will be offline.
Auto-Restart upon AZ Recovery: Once the affected AZ is back online, CloudHub
will auto-restart the worker in the same AZ without manual intervention. This ensures that as soon as the AZ is functional, the application resumes
automatically.
What Mule application can have API policies applied by
Anypoint Platform to the endpoint exposed by that Mule application?
A) A Mule application that accepts requests over HTTP/1.x
A.
Option A
B.
Option B
C.
Option C
D.
Option D
Option A
Explanation: Explanation
Correct Answer: Option A
*****************************************
>> Anypoint API Manager and API policies are applicable to all types of HTTP/1.x APIs.
>> They are not applicable to WebSocket APIs, HTTP/2 APIs and gRPC APIs
Reference: https://docs.mulesoft.com/api-manager/2.x/using-policies
Several times a week, an API implementation shows several thousand requests per minute
in an Anypoint Monitoring dashboard, Between these bursts, the
dashboard shows between two and five requests per minute. The API implementation is
running on Anypoint Runtime Fabric with two non-clustered replicas, reserved vCPU 1.0
and vCPU Limit 2.0.
An API consumer has complained about slow response time, and the dashboard shows the
99 percentile is greater than 120 seconds at the time of the complaint. It also shows greater than 90% CPU usage during these time periods.
In manual tests in the QA environment, the API consumer has consistently reproduced the
slow response time and high CPU usage, and there were no other API requests at
this time. In a brainstorming session, the engineering team has created several proposals
to reduce the response time for requests.
Which proposal should be pursued first?
A. Increase the vCPU resources of the API implementation
B. Modify the API client to split the problematic request into smaller, less-demanding requests
C. Increase the number of replicas of the API implementation
D. Throttle the APT client to reduce the number of requests per minute
What is a typical result of using a fine-grained rather than a coarse-grained API deployment model to implement a given business process?
A.
A decrease in the number of connections within the application network supporting the business process
B.
A higher number of discoverable API-related assets in the application network
C.
A better response time for the end user as a result of the APIs being smaller in scope and complexity
D.
An overall tower usage of resources because each fine-grained API consumes less resources
A higher number of discoverable API-related assets in the application network
Explanation: Explanation
Correct Answer: A higher number of discoverable API-related assets in the application
network.
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>> We do NOT get faster response times in fine-grained approach when compared to
coarse-grained approach.
>> In fact, we get faster response times from a network having coarse-grained APIs
compared to a network having fine-grained APIs model. The reasons are below.
Fine-grained approach:
1. will have more APIs compared to coarse-grained
2. So, more orchestration needs to be done to achieve a functionality in business process.
3. Which means, lots of API calls to be made. So, more connections will needs to be
established. So, obviously more hops, more network i/o, more number of integration points
compared to coarse-grained approach where fewer APIs with bulk functionality embedded
in them.
4. That is why, because of all these extra hops and added latencies, fine-grained approach
will have bit more response times compared to coarse-grained.
5. Not only added latencies and connections, there will be more resources used up in finegrained
approach due to more number of APIs.
That's why, fine-grained APIs are good in a way to expose more number of resuable assets
in your network and make them discoverable. However, needs more maintenance, taking
care of integration points, connections, resources with a little compromise w.r.t network
hops and response times.
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