Cisco 300-915 Online Practice Questions and Exam Preparation

Cisco 300-915 Online Questions & Answers

• Question 41:

  What are two functionalities of edge data services? (Choose two.)

  A. creating a machine learning data model
  B. supporting many interfaces and APIs
  C. applying advanced data analytics
  D. filtering, normalizing and aggregating data
  E. saving data for a prolonged time period
  D. filtering, normalizing and aggregating data
  E. saving data for a prolonged time period

• Question 42:

  Which method is used to gather data from a sensor?

  A. Configure the edge application to push data to the cloud.
  B. Set up a rendezvous point where the sensor and edge application meet.
  C. Set up a dedicate process for each sensor that grabs data.
  D. Pull data from the sensor.
  A. Configure the edge application to push data to the cloud.

• Question 43:

  A company is collecting data from several thousand machines globally. Which software component in the overall architecture is the next destination of the dataflow after the data has been gathered and normalized on the edge data software?

  A. relational database: MySQL
  B. historian database: influxDB
  C. message broker: Apache Kafka
  D. dashboard: Node.js web app
  B. historian database: influxDB

• Question 44:

  

  Refer to the exhibit. When a laptop is connected to a device via a serial connection, which action makes the output readable?

  A. Change the baudrate in the connection settings.
  B. Reboot the device in case a firmware error is the issue.
  C. Change the power level of the device.
  D. Change the unicode settings to UTF-8.
  A. Change the baudrate in the connection settings.

• Question 45:

  

  Refer to the exhibit. Approximately 4000 oil platforms, each with 400 sensors, are spread in the Gulf of Mexico and all of their data must come together into one dashboard. Which general architecture should be selected to connect them?

  A. 4-tier: sensor ?edge device (Intel Atom CPU) ?fog device (Intel Xeon CPU) ?cloud
  B. 5-tier: intelligent sensor?edge device (Intel Atom CPU) ?fog device (Intel Xeon CPU) ?edge data center (Intel Xeon CPU)
  C. 2-tier: intelligent sensor ?cloud
  D. 3-tier: sensor ?edge device (Intel Atom CPU) ?cloud
  B. 5-tier: intelligent sensor?edge device (Intel Atom CPU) ?fog device (Intel Xeon CPU) ?edge data center (Intel Xeon CPU)

• Question 46:

  

  Refer to the exhibit. Which two statements about MQTT messaging are true? (Choose two.)

  A. Result code 5 means the connection is accepted; result code 0 means the connection is "refused, not authorized".
  B. Redundant ClientIDs are supported by MQTT brokers.
  C. MQTT does not support a "keep alive" functionality because it runs on top of TCP.
  D. Result code 0 means the connection is accepted; result code 5 means the connection is "refused, not authorized".
  E. Brokers can send the Last Will and Testament messages on behalf of the client.
  D. Result code 0 means the connection is accepted; result code 5 means the connection is "refused, not authorized".
  E. Brokers can send the Last Will and Testament messages on behalf of the client.

• Question 47:

  When constructing a Python script for data extraction using GMM APIs on a Cisco Kinetic Cloud platform, how should the API authentication be implemented?

  A. Generate the API keys once and edit the permissions as needed.
  B. Generate and use the API keys for the required access level from the Kinetic Cloud application.
  C. Use a complex username and password with 128-bit encryption.
  D. Use a complex username with an auto-generated password from the Kinetic Cloud application.
  B. Generate and use the API keys for the required access level from the Kinetic Cloud application.

• Question 48:

  Which statement explains the correct position of a PLC within the CPwE architecture?

  A. PLCs are always part of Level 0 ?process control.
  B. PLCs are part of Level 4 ?site business planning.
  C. PLCs are part of Level 1 ?basic control.
  D. PLCs are placed at Level 2 ?area supervisory control.
  C. PLCs are part of Level 1 ?basic control.

• Question 49:

  

  Refer to the exhibit. The code and the error message that are received when the code is run is presented. What causes issues authenticating with Cisco GMM API using the web-generated API key?

  A. firewall that blocks authentication ports
  B. incorrect username and password
  C. incorrect GMM Cluster selection
  D. incorrect key size and data encryption
  B. incorrect username and password

• Question 50:

  Which lightweight protocol is used to send data from the edge compute resources to the cloud?

  A. MQTT
  B. XMPP
  C. AMQP
  D. MT Connect
  A. MQTT