Reference no: EM133249403
Q No: 1
What part of an IoT architecture takes care of the scaling factor for a number of devices to provide and process sensor data?
a. Edge
b. Cloud
c. Mist
d. The devices themselves
Q No: 2
Which of the following is not a factor that determines the kind of sensor used to detect data on a device?
a. The kind of data being detected
b. The mode of data transmission upstream
c. The frequency with which data is to be detected
d. The volume of data involved in each read
Q No: 3
Which of the following are features supported by the AWS IoT Core? (Can have Multiple answers)
a. Effective device health monitoring
b. Managing secure device software and firmware updates
c. Secure device communication with the cloud
d. Scalable device connect to the cloud
Q No: 4
Which of the following statements regarding the AWS IoT Device Registry is true?
a. It supports bulk provisioning of devices, but in a single layer
b. It only supports individual device provisioning but allows a hierarchical organization
c. It supports bulk provisioning of devices in a hierarchical organization
d. It only supports individual device provisioning in a single layer
Q No: 5
Which of the following activities come under the AWS Jobs Management and API Service? Can have Multiple answers)
a. Defining jobs for devices
b. Running jobs for data transformation in the cloud
c. Ordering jobs and targeting devices with them
d. Supplying information and assets for each job
Q No: 6
Which of the following actions can be accomplished in AWS using a DynamoDB Action Rule? (Can have Multiple answers)
a. Send all the device data to a DynamoDB database
b. Map different payload keys in the data to different columns in a DynamoDB table
c. Map each topic in the data to a different DynamoDb table
d. None of the Above
Q No: 7
Suppose devices in an IoT system have intermittent connectivity with the AWS IoT Services. Which of the following services ensures bidirectional communication for downstream updates?
a. AWS IoT Device Registry
b. AWS Device Shadow Service
c. AWS IoT Device Gateway
d. AWS IoT Message Broker
Q No: 8
Consider the need for the centralized servers in an IoT system to perform "Over The Air" (OTA) software updates on deployed devices. Which of the following categories of functions takes care of this need?
a. Availability
b. Data Analytics
c. Stakeholder Updates
d. Device Monitoring
Q No: 9
What is the most likely reason why device monitoring needs to be done on an individual basis, and not as a system (whole), for any class of devices?
Each device in a class could have a different configuration, personalized to the need for sensing and conveying alerts
Each device in a class could have a different way of sensing the "On" state
Each device in a class could send data using a different mechanism
None of the above
Q No: 10
What does the AWS IoT Device Gateway and Message Broker ensure with regard to device communication?
a. Low latency bidirectional communication that is hugely scalable
b. Low latency uni-directional communication that is hugely scalable
c. High latency bidirectional communication that is hugely scalable
d. Low latency bidirectional communication that is not guaranteed to be scalable
Q No: 11
What does the term "on-the-fly" data transformations performed by the AWS IoT Core most likely refer to?
Transforming analog data to digital data
Replacing raw data with pattern information
Increasing the sampling rate of raw data
Transforming data in various formats to more uniform data
Q No: 12
How does the AWS Device Shadow Service help in overcoming the hurdles faced in device monitoring, due to intermittent device connectivity?
a. It maintains a copy of the latest known device state in the IoT system
b. It emulates the functioning of the device in the cloud
c. It maintains an enumeration of all possible destination states for a device, based on its current state
d. It forms pairs of devices in the IoT system, with each device in the pair storing the other device's state
Q No: 13
What leeway can we have with regard to security, in an Edge-controlled on-premises system, versus one that has devices connected over the internet?
a. The Edge-controlled on-premises device system could use non-secure protocols, whereas the system that involves devices on the internet needs secure protocols.
b. The Edge-controlled on-premises device system needs inherently secure protocols, whereas the system that involves devices on the internet could use non-secure protocols.
c. Both the Edge-controlled on-premises device system and the system that involves devices on the internet always need inherently secure protocols.
d. Both the Edge-controlled on-premises device system and the system that involves devices on the internet will work fine with non-secure protocols.
Q No: 14
Suppose we have a medical device to monitor the heart rate of a person who wears it. What could be the possible changes in heart rate collection and processing based on activity/location? (Can have Multiple answers)
a. The heart rate collection frequency can be varied based on the level of activity, to provide more accuracy in active scenarios.
b. The baseline heart rate used for comparison will vary based on the level of activity that the user is engaged in
c. The heart rate measurement can be paused at specific location or activity levels
d. The heart rate data points can be tagged and later categorized for analysis based on different locations and activities
Q No: 15
Consider a healthcare IoT system that is used to aggregate data for pattern analytics, to help with long term diagnosis and treatment of illnesses. Which of the following is least likely to be a mechanism of such a system?
a. Real-time sensor data collection by healthcare devices
b. Human-entered data in the form of doctors' diagnosis and treatment
c. Manually processing aggregated data to detect illness patterns
d. Correlation of healthcare parameters with patient activity