Question 10: SkippedAn API implementation returns three X-RateLimit-* HTTP response headers to a requesting API client. What type of information do these response headers indicate to the API client?

The remaining capacity allowed by the API implementation

The error codes that result from throttling

A correlation ID that should be sent in the next request

The remaining capacity allowed by the API implementation

A retail company with thousands of stores has an API to receive data about purchases and insert it into a single database. Each individual store sends a batch of purchase data to the API about every 30 minutes. The API implementation uses a database bulk insert command to submit all the purchase data to a database using a custom JDBC driver provided by a data analytics solution provider. The API implementation is deployed to a single CloudHub worker. The JDBC driver processes the data into a set of several temporary disk files on the CloudHub worker, and then the data is sent to an analytics engine using a proprietary protocol. This process usually takes less than a few minutes. Sometimes a request fails. In this case, the logs show a message from the JDBC driver indicating an out-of-file-space message. When the request is resubmitted, it is successful. What is the best way to try to resolve this throughput issue?

Increase the number of CloudHub workers

se a CloudHub autoscaling policy to add CloudHub workers

Use a CloudHub autoscaling policy to increase the size of the CloudHub worker

Increase the size of the CloudHub worker(s)

Increase the number of CloudHub workers

A company has created a successful enterprise data model (EDM). The company is committed to building an application network by adopting modern APIs as a core enabler of the company's IT operating model. At what API tiers (experience, process, system) should the company require reusing the EDM when designing modern API data models?

At the process and system tiers

At the experience and process tiers

At the experience and system tiers

At the process and system tiers

At the experience, process, and system tiers

A system API has a guaranteed SLA of 100 ms per request. The system API is deployed to a primary environment as well as to a disaster recovery (DR) environment, with different DNS names in each environment. An upstream process API invokes the system API and the main goal of this process API is to respond to client requests in the least possible time. In what order should the system APIs be invoked, and what changes should be made in order to speed up the response time for requests from the process API?

In parallel, invoke the system API deployed to the primary environment and the system API deployed to the DR environment, and ONLY use the first response

In parallel, invoke the system API deployed to the primary environment and the system API deployed to the DR environment using a scatter-gather configured with a timeout, and then merge the responses

Invoke the system API deployed to the primary environment, and if it fails, invoke the system API deployed to the DR environment

Invoke ONLY the system API deployed to the primary environment, and add timeout and retry logic to avoid intermittent failures

Which of the following best fits the definition of API-led connectivity?

API-led connectivity is not just an architecture or technology but also a way to organize people and processes for efficient IT delivery in the organization

API-led connectivity is a 3-layered architecture covering Experience, Process and System layers

API-led connectivity is a technology which enabled us to implement Experience, Process and System layer based APIs

What are the major benefits of MuleSoft proposed IT Operating Model?

1. Decrease the IT delivery gap 2. Meet various business demands without increasing the IT capacity 3. Make consumption of assets at the rate of production

1. Decrease the IT delivery gap 2. Meet various business demands without increasing the IT capacity 3. Focus on creation of reusable assets first. Upon finishing creation of all the possible assets then inform the LOBs in the organization to start using them

1. Decrease the IT delivery gap 2. Meet various business demands by increasing the IT capacity and forming various IT departments 3. Make consumption of assets at the rate of production

1. Decrease the IT delivery gap 2. Meet various business demands without increasing the IT capacity 3. Make consumption of assets at the rate of production

A Mule application exposes an HTTPS endpoint and is deployed to three CloudHub workers that do not use static IP addresses. The Mule application expects a high volume of client requests in short time periods. What is the most cost-effective infrastructure component that should be used to serve the high volume of client requests?

The CloudHub shared load balancer

A customer-hosted load balancer

The CloudHub shared load balancer

Select the correct Owner-Layer combinations from below options

1. App Developers owns and focuses on Experience Layer APIs 2. LOB IT owns and focuses on Process Layer APIs 3. Central IT owns and focuses on System Layer APIs

1. App Developers owns and focuses on Experience Layer APIs 2. Central IT owns and focuses on Process Layer APIs 3. LOB IT owns and focuses on System Layer APIs

1. Central IT owns and focuses on Experience Layer APIs 2. LOB IT owns and focuses on Process Layer APIs 3. App Developers owns and focuses on System Layer APIs

1. App Developers owns and focuses on Experience Layer APIs 2. LOB IT owns and focuses on Process Layer APIs 3. Central IT owns and focuses on System Layer APIs

What Anypoint Platform Capabilities listed below fall under APIs and API Invocations/Consumers category? Select TWO.

API Runtime Execution and Hosting

What are 4 important Platform Capabilities offered by Anypoint Platform?

API Design and Development, API Runtime Execution and Hosting, API Operations and Management, API Consumer Engagement

API Versioning, API Runtime Execution and Hosting, API Invocation, API Consumer Engagement

API Design and Development, API Runtime Execution and Hosting, API Versioning, API Deprecation

API Design and Development, API Runtime Execution and Hosting, API Operations and Management, API Consumer Engagement

API Design and Development, API Deprecation, API Versioning, API Consumer Engagement

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?

The APT will be unavailable until the availability comes back online, at which time the worker/replica will be auto-restarted

CloudHub will auto-redeploy the APL in the U.S. East Region

The APT will be unavailable until the availability comes back online, at which time the worker/replica will be auto-restarted

CloudHub will auto-redeploy the API in another Availability Zone in the U.S. West Region

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

An application updates an inventory running only one process at any given time to keep the inventory consistent. This process takes 200 milliseconds (.2 seconds) to execute; therefore, the scalability threshold of the application is five requests per second.What is the impact on the application if horizontal scaling is applied, thereby increasing the number of Mule workers?

The application scalability threshold is five requests per second regardless of the horizontal scaling

The total process execution time is now 100 milliseconds (.1 seconds)

The application scalability threshold is now 10 requests per second

Horizontal scaling cannot be applied to an already-running application

A large lending company has developed an API to unlock data from a database server and web server. The API has been deployed to Anypoint Virtual Private Cloud (VPC) on CloudHub 1.0.The database server and web server are in the customer's secure network and are not accessible through the public internet. The database server is in the customer's AWS VPC, whereas the web server is in the customer's on-premises corporate data center.How can access be enabled for the API to connect with the database server and the web server?

Set up VPC peering with AWS VPC and a VPN tunnel to the customer's on-premises corporate data center

Set up VPC peering with AWS VPC and the customer's on-premises corporate data center

Setup a transit gateway to the customer's on-premises corporate data center through AWS VPC

Set up VPC peering with the customer's on-premises corporate data center and a VPN tunnel to AWS VPC

An Order API triggers a sequence of other API calls to look up details of an order's items in a back-end inventory database. The Order API calls the OrderItems process API, which calls the Inventory system API. The Inventory system API performs database operations in the back-end inventory database.The network connection between the Inventory system API and the database is known to be unreliable and hang at unpredictable times.Where should a two-second timeout be configured in the API processing sequence so that the Order API never waits more than two seconds for a response from the Orderltems process API?

In the Orderltems process API implementation

In the Order API implementation

In the Inventory system API implementation

A circuit breaker strategy is planned in order to meet the goal of improved response time and demand on a downstream API.* Circuit Open: More than 10 errors per minute for three minutes* Circuit Half-Open: One error per minute* Circuit Closed: Less than one error per minute for five minutesOut of several proposals from the engineering team, which option will meet this goal?

Add the Circuit Breaker policy to the API instance, and configure the required settings

Create a custom policy that implements the circuit breaker and includes policy template expressions for the required settings

Create Anypoint Monitoring alerts for Circuit Open/Closed configurations, and then implement a retry strategy for Circuit Half-Open configuration

Add the Circuit Breaker policy to the API instance, and configure the required settings

Implement the strategy in a Mule application, and provide the settings in the YAML configuration

Which component monitors APIs and endpoints at scheduled intervals, receives reports about whether tests pass or fail, and displays statistics about API and endpoint performance?

Anypoint Runtime Manager alerts

An eCommerce company is adding a new Product Details feature to their website, A customer will launch the product catalog page, a new Product Details link will appear by product where they can click to retrieve the product detail description. Product detail data is updated with product update releases, once or twice a year, Presently the database response time has been very slow due to high volume.What action retrieves the product details with the lowest response time, fault tolerant, and consistent data?

Use an object store to store and retrieve the product details originally read from a database and return them within the API response

Select the product details from a database in a Cache scope and return them within the API response

Select the product details from a database and put them in Anypoint MQ; the Anypoint MO subseriber will receive the product details and return them within the API response

Use an object store to store and retrieve the product details originally read from a database and return them within the API response

Select the product details from a database and return them within the API response

4 Production environment is running on a dedicated Virtual Private Cloud (VPC) on CloudHub 1,0, and the security team guidelines clearly state no traffic on HTTP.Which two options support these security guidelines?Choose 2 answers

Configure the HTTPS protocol in HTTP listener in the Mule application

Remove the entry from the VPC firewall rule

Configure the HTTPS protocol in HTTP listener in the Mule application

Create a custom policy to apply to outgoing and incoming HTTP requests to control access to a configured API endpoint

Remove the entry from the VPC firewall rule

Configure the IP Blocklist policy to control access to a configured API endpoint from either a single IP address or a range of IP addresses. E. Add the entry in the VPC firewall rule.

Which statement is true about Spike Control policy and Rate Limiting policy?

In a clustered environment, the Rate Limiting.and Spike Control policies are applied to each node in the cluster

All requests are rejected after the limit is reached in Rate Limiting policy, whereas the requests are queued in Spike Control policy after the limit is reached

In a clustered environment, the Rate Limiting.and Spike Control policies are applied to each node in the cluster

To protect Experience APIs by limiting resource consumption, Rate Limiting policy must be applied

In order to apply Rate Limiting and Spike Control policies, a contract to bind client application and API is needed for both

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 1.0and 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?

Increase the vCPU resources of the API implementation

Modify the API client to split the problematic request into smaller, less-demanding requests

Increase the number of replicas of the API implementation

Throttle the APT client to reduce the number of requests per minute

When should idempotency be taken into account?

When preventing duplicate processing from multiple sent requests

When making requests to update currently locked entities

When storing the results of s previous request for use in response to subsequent requests

When sending concurrent update requests for the same entity

When preventing duplicate processing from multiple sent requests

The asset version 2.0.0 of the Order API is successfully published in Exchange and configured in API Manager with the Autodiscovery API ID correctly linked to theAPI implementation, A new GET method is added to the existing API specification, and after updates, the asset version of the Order API is 2.0.1,What happens to the Autodiscovery API ID when the new asset version is updated in API Manager?

The APLID does not change, so no changes to the APT implementation are needed for the new asset version in the API Autodiscovery global element

The API ID changes, but no changes are needed to the API implementation for the new asset version in the API Autediscovery global element because the API ID is automatically updated

The APL ID changes, so the API implementation must be updated with the latest API ID for the new asset version in the API Autodiscovery global element

The APLID does not change, so no changes to the APT implementation are needed for the new asset version in the API Autodiscovery global element

The APL ID does not change, but the API implementation must be updated in the AP] Autodiscovery global element to indicate the new asset version 2.0.4

Which out-of-the-box key performance indicator measures the success of a typical Center for Enablement and is immediately available in responses from Anypoint Platform APIs?

Per published API, the number of consumers that requested access to the API and have been approved in the Production environment

Per business group, the ratio of the number of production APT implementations deployed using a C1/CD pipeline to the number of production API implementations deployed manually

Per deployed API implementation, the amount of bandwidth consumed each day

Per published API, the number of developers that downloaded s version of the API specification

Per published API, the number of consumers that requested access to the API and have been approved in the Production environment

To minimize operation costs, a customer wants to use a CloudHub 1.0 solution. The customer's requirements are:* Separate resources with two Business groups* High-availability (HA) for all APIs* Route traffic via Dedicated load balancer (DLBs)* Separate environments into production and non-productionWhich solution meets the customer's needs?

One production and one non-production Virtual Private Cloud (VPC) per Business group. Minimize CIDR aligning with projected application total. Choose a MuleSoft CloudHub 1.0 region with multiple availability zones. Deploy multiple workers for HA,

One production and one non-production Virtual Private Cloud (VPC). Use availability zones to differentiate between Business groups. Allocate maximum CIDR per VPCs to ensure HA across availability zones

One production and one non-production Virtual Private Cloud (VPC) per Business group. Minimize CIDR aligning with projected application total. Choose a MuleSoft CloudHub 1.0 region with multiple availability zones. Deploy multiple workers for HA,

One production and one non-production Virtual Private Cloud (VPC) per Business group. Minimize CIDR aligning with projected application total. Divide availability zones during deployment of APIs for HA.

One production and one non-production Virtual Private Claud (VPC). Configure subnet to differentiate between business groups. Allocate maximum CIDR per VPCs to make it easier to add Child groups. Span VPC to cover three availability zones.

An IT Security Compliance Auditor is assessing which nonfunctional requirements (NFRs) are already being implemented to meet security measures.* The Web API has Rate-Limiting SLA* Basic Authentication - LDAP* JSON Threat Protection* TP Allowlist policies appliedWhich two NFRs-are enforced?

The API invocations are coming from a known subnet range

Username/password supported to validate login credentials

The API invocations are coming from a known subnet range

Username/password supported to validate login credentials

Sensitive data is masked to prevent compromising critical information

The API is protected against XML invocation attacks

Performance expectations are to be allowed up to 1,000 requests per second

A business process is being implemented within an organization's application network. The architecture group proposes using a more coarse-grained application network design with relatively fewer APIs deployed to the application network compared to a more fine-grained design.Overall, which factor typically increases with a more coarse-grained design for this business process implementation and deployment compared with using a more fine-grained design?

The complexity of each API implementation

The number of discoverable assets related to APIs deployed in the application network

The number of possible connections between API implementations in the application network

The usage of network infrastructure resources by the application network

A client has several applications running on the Salesforce service cloud. The business requirement for integration is to get daily data changes from Account and CaseObjects. Data needs to be moved to the client's private cloud AWS DynamoDB instance as a single JSON and the business foresees only wanting five attributes from theAccount object, which has 219 attributes (some custom) and eight attributes from the Case Object.What design should be used to support the API/ Application data model?

Create separate entities for Account with five attributes and Case with eight attributes in SAPI, which are combined by the PAPI to provide JSON output containing 13 attributes.

Create separate entities for Account and Case Objects by mimicking all the attributes in SAPI, which are combined by the PAPI and filtered to provide JSON output containing 13 attributes.

Request client's AWS project team to replicate all the attributes and create Account and Case JSON table in DynamoDB. Then create separate entities for Account and Case Objects by mimicking all the attributes in SAPI to transfer ISON data to DynamoD for respective Objects

Start implementing an Enterprise Data Model by defining enterprise Account and Case Objects and implement SAPI and DynamoDB tables based on the Enterprise Data Model,

Create separate entities for Account with five attributes and Case with eight attributes in SAPI, which are combined by the PAPI to provide JSON output containing 13 attributes.

An API implementation is deployed to CloudHub.What conditions can be alerted on using the default Anypoint Platform functionality, where the alert conditions depend on the API invocations to an API implementation?

When the number of API invocations are below a threshold

When the API invocations are sent directly to the internal DNS record of the API implementation

When the API invocations are not over-a- secure TLS/SSL communication channel

When the APL invecations originate from a geography different than the API

When the number of API invocations are below a threshold

An organization requires several APIs to be secured with OAuth 2.0, and PingFederate has been identified as the identity provider for API client authorization, ThePingFederate Client Provider is configured in access management, and the PingFederate OAuth 2.0 Token Enforcement policy is configured for the API instances required by the organization. The API instances reside in two business groups (Group A and Group B) within the Master Organization (Master Org).What should be done to allow API consumers to access the API instances?

The APL consumer should create a client application and request access to the APT in Anypoint Exchange, and the API administrator should approve the request

The API administrator should configure the correct client discovery URL in both child business groups, and the API consumer should request access to the API in Ping Identity

The API administrator should grant access to the API consumers by creating contracts in the relevant API instances in API Manager

The APL consumer should create a client application and request access to the APT in Anypoint Exchange, and the API administrator should approve the request

The APT consumer should create a client application and request access to the API in Ping Identity, and the organization's Ping Identity workflow will grant access

Refer to the exhibits. Which architectural constraint is compatible with the API-led connectivity architectural style?

Use a Process API to-orchestrate calls to multiple System APIs but not to other Process APIs:

Always use a tiered approach by creating exactly one API for each of the three layers (Experience, Process, and System)

Use a Process API to-orchestrate calls to multiple System APIs but not to other Process APIs:

Allow System APIs to return data that is not currently required by the identified Process or Experience APIs

Handle customizations for the end-user application at the Process layer rather than at the Experience layer

Salesforce Certified MuleSoft Platform Architect I Practice Test 3

An API has been updated in Anypoint exchange by its API producer from version 3.1.1 to 3.2.0 following accepted semantic versioning practices and the changes have been communicated via the APIs public portal. The API endpoint does NOT change in the new version. How should the developer of an API client respond to this change?

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