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Home Cisco® 300-915

Cisco® 300-915 Exam Practice Questions (P. 5)

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Question #21
An IoT application has been built into the application CI/CD pipeline. The application needs credentials to access other applications, APIs, and cloud resources.
When should the credentials be inserted into the application using the CI/CD process?
  1. A
    hard coded into your application code base
  2. B
    during application runtime
  3. C
    after application testing
  4. D
    during application build time

Correct Answer:
A

Question #22
Which two statements about how to provision and manage data originators in a cloud environment are true? (Choose two.)
  1. A
    The provisioning of digital identities is the responsibility of the data originators.
  2. B
    Cloud providers offer services for automated device provisioning, which allows the lifecycle of the cloud-representation for data originators to be managed.
  3. C
    Cloud providers offer application programming interfaces, which allow a programmatic provisioning of data originators.
  4. D
    There is no need to provision and manage access for data originators in the cloud.
  5. E
    The access to public clouds must be configured and managed manually.

Correct Answer:
CE

Question #23

Refer to the exhibit. Which line of code completes the Dockerfile?
  1. A
    RUN chmod 777 /usr/bin/sample.py
  2. B
    RUN chown root:root /usr/bin/sample.py
  3. C
    WORKDIR /usr/bin
  4. D
    USER root

Correct Answer:
A

Question #24
A network is being configured for an Ethernet-connected sensor. The sensor fails to send data to the configured destination. The IP address of the sensor can be pinged from a laptop on the same subnet. When a different subnet is used, the sensor cannot be reached, but other clients on the same subnet are still accessible.
What are two reasons for the connectivity problem? (Choose two.)
  1. A
    wrong DNS server on the sensor
  2. B
    wrong subnet mask on your laptop
  3. C
    wrong default gateway on the sensor
  4. D
    wrong default gateway on your laptop
  5. E
    wrong subnet mask on the sensor

Correct Answer:
CE

Question #25
As part of an IoT project, an organization is developing an application that will share multiple clients using a REST API.
Based on the software development process, what are two valid technical activities that can be suggested to secure the REST API that is developed during the development of the software? (Choose two.)
  1. A
    Respond to request failures in detail to allow users for easier troubleshooting.
  2. B
    Implement HTTP whitelisting to only methods that are allowed.
  3. C
    Implement and review audit logs for security-related events.
  4. D
    Reject HTTP methods that are invalid with an error code 404.
  5. E
    Implement physical firewalling and access control to the resources.

Correct Answer:
BD

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