Which 2 architectures are enabled by using a single Private Space and the Internal Routing feature?

• A.A microservices architecture that also uses DNS Service Discovery to facilitate communication
• B.Multiple public-facing web apps with different sets of trusted inbound IP ranges
• C.A single public-facing web app that performs network-isolated communication with multiple non-public-facing web apps.
• D.Network-isolated communication between applications in the Private Space and applications in the Common Runtime

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Universal Containers has a Heroku Private Space with a VPN connection to their on-premise network. They want their remote employees to be able to access their Heroku applications using a VPN connection only.
Which solution should an Architect recommend?

• A.Clone the Heroku applications to a second Private Space, and configure its VPN for remote employees.
• B.Configure a second VPN connection for the Private Space that remote employees can use.
• C.Enable remote employees to VPN into the company's on-premise network.
• D.Add all remote employees to an Enterprise Team, and configure it to connect to the Private Space via SSO.

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Universal Containers has a microservices architecture on Heroku. One microservice. named the Metrics Microservice. periodically fetches metrics from a fleet of loT sensors. Then, the Metrics Microservice is required to send relevant metrics to each of the other microservices using REST. When a new microservice is added to the architecture, the Metrics Microservice must send metrics to that new microservice too. As a result, adding microservices to the architecture causes performance issues. How should an Architect recommend changing this architecture to improve its scalability?

• A.Configure each microservices to directly fetch the sensor metrics that are relevant to it.
• B.Use Private Space DNS Service Discovery to reduce the amount of time required for the Metrics Microservice to obtain each other microservice's IP address
• C.Configure the other microservices to pull the Metrics Microservice for updates every five seconds
• D.Use Apache Kafka on Heroku to publish metrics to a topic that the other microservices can consume.

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