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NEW QUESTION # 48
A manufacturing company is developing a new set of APIs for its retail business. One of the APIs is a Master Look Up API, which is a System API, The API uses a persistent object-store. This API will be used by almost all other APIs to provide master lookup data.
The Master Look Up API is deployed on two CloudHub workers of 0.1 vCore each because there is a lot of master data to be cached. Most of the master lookup data is stored as a key-value pair. The cache gets refreshed if the key is not found in the cache.
During performance testing, it was determined that the Master Look Up API has a high response time due to the latency of database queries executed to fetch the master lookup data.
What two methods can be used to resolve these performance issues?
Choose 2 answers
Answer: B,C
Explanation:
AnTo resolve performance issues with the Master Look Up API, the following methods can be applied:
* Implement the HTTP caching policy for all GET endpoints for the Master Look Up API: This caching policy helps reduce the number of database queries by storing frequently accessed data in cache, thus improving response times for subsequent requests.
* Upgrade the vCore size from 0.1 vCore to 0.2 vCore: Increasing the vCore size can provide more computational resources, which can improve the processing power and overall performance of the API, particularly under high load conditions.
References:
* HTTP Caching Policy
* Scaling and Performance
swer: A
NEW QUESTION # 49
Refer to the exhibit.
This Mule application is deployed to multiple Cloudhub workers with persistent queue enabled. The retrievefile flow event source reads a CSV file from a remote SFTP server and then publishes each record in the CSV file to a VM queue. The processCustomerRecords flow's VM Listner receives messages from the same VM queue and then processes each message separately.
How are messages routed to the cloudhub workers as messages are received by the VM Listener?
Answer: C
NEW QUESTION # 50
Additional nodes are being added to an existing customer-hosted Mule runtime cluster to improve performance. Mule applications deployed to this cluster are invoked by API clients through a load balancer.
What is also required to carry out this change?
Answer: C
Explanation:
* Clustering is a group of servers or mule runtime which acts as a single unit.
* Mulesoft Enterprise Edition supports scalable clustering to provide high availability for the Mulesoft application.
* In simple terms, virtual servers composed of multiple nodes and they communicate and share information through a distributed shared memory grid.
* By default, Mulesoft ensures the High availability of applications if clustering implemented.
* Let's consider the scenario one of the nodes in cluster crashed or goes down and under maintenance. In such cases, Mulesoft will ensure that requests are processed by other nodes in the cluster. Mulesoft clustering also ensures that the request is load balanced between all the nodes in a cluster.
* Clustering is only supported by on-premise Mule runtime and it is not supported in Cloudhub.
Correct answer is External monitoring tools or log aggregators must be configured to recognize the new nodes
* Rest of the options are automatically taken care of when a new node is added in cluster.
NEW QUESTION # 51
An organization is using Mulesoft cloudhub and develops API's in the latest version. As a part of requirements for one of the API's, third party API needs to be called. The security team has made it clear that calling any external API needs to have include listing As an integration architect please suggest the best way to accomplish the design plan to support these requirements?
Answer: B
Explanation:
* Requirement Analysis: The security team requires any external API call to be restricted by an IP include list. This ensures that only specified IP addresses can access the third-party API.
* Design Plan: To fulfill this requirement, implementing a proxy for the third-party API is the best approach. This proxy can enforce the IP include list policy.
* Implementation Steps:
* Create a Proxy API: Set up a new API proxy in Anypoint Platform to act as an intermediary for the third-party API.
* Configure IP Include List Policy: Within the Anypoint API Manager, apply the IP whitelist policy to the proxy API. This policy will ensure that only requests from specified IP addresses are allowed to reach the third-party API.
* Modify Main API Flow: Update the flow of your main API to call the newly created proxy API instead of directly calling the third-party API.
* Testing: Conduct thorough testing to ensure that the proxy API correctly forwards requests to the third-party API only if the requests originate from IPs in the include list.
* Advantages:
* Security: This method ensures that only approved IPs can access the third-party API, adhering to the security team's requirements.
* Manageability: Centralizes the IP restriction management within the API Manager, simplifying maintenance and updates.
References
* MuleSoft Documentation on API Proxies
* MuleSoft Documentation on IP Whitelist Policy
NEW QUESTION # 52
Which Mulesoft feature helps users to delegate their access without sharing sensitive credentials or giving full control of accounts to 3rd parties?
Answer: C
Explanation:
Connected Apps
The Connected Apps feature provides a framework that enables an external application to integrate with Anypoint Platform using APIs through OAuth 2.0 and OpenID Connect. Connected apps help users delegate their access without sharing sensitive credentials or giving full control of their accounts to third parties.
Actions taken by connected apps are audited, and users can also revoke access at any time. Note that some products do not currently include client IDs in this release of the Connected Apps feature. The Connected Apps feature enables you to use secure authentication protocols and control an app's access to user data.
Additionally, end users can authorize the app to access their Anypoint Platform data.
Mule Ref Doc : https://docs.mulesoft.com/access-management/connected-apps-overview
NEW QUESTION # 53
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