IoT - Quiz - 7

Question 1

In streaming analytics, how does Spark improve over traditional batch-processing systems?

Accepted Answer

Provides stream-based real-time processing

Question 2

What analytical benefit does Kafka provide in IoT data streaming?

Accepted Answer

High-throughput and fault-tolerant message queueing

Question 3

Why is virtualization critical for optimizing cloud resource utilization?

Accepted Answer

It allows multiple virtual machines to run on a single physical machine

Question 4

How does AWS IoT Core enable secure device-to-cloud communication?

Accepted Answer

By managing MQTT messages through IAM and certificates

Question 5

How does Xively's MQTT support enhance cloud communication for IoT devices?

Accepted Answer

Reduces power consumption with lightweight publish/subscribe

Question 6

What analytical benefit does using Raspberry Pi Imager offer over manual OS flashing methods?

Accepted Answer

Simplified and error-free OS installation

Question 7

Why would one prefer SSH over VNC for remote access in a low-bandwidth scenario?

Accepted Answer

SSH requires fewer resources and bandwidth

Question 8

What is the primary reason for adding board URLs when configuring the Arduino IDE for NodeMCU?

Accepted Answer

To enable board-specific compilation tools

Question 9

When evaluating a cloud SLA, why is uptime guarantee more critical than data redundancy in customer decision-making?

Accepted Answer

It affects availability and reliability

Question 10

How does Platform as a Service (PaaS) differ analytically from Infrastructure as a Service (IaaS)?

Accepted Answer

PaaS provides software environments, reducing development overhead

Question 11

How does Hadoop’s HDFS enable better analytics on large-scale sensor data?

Accepted Answer

By distributing data across nodes for parallel access

Question 12

What analytical advantage does Django offer in developing IoT dashboards?

Accepted Answer

Provides RESTful API support and rapid template rendering

Question 13

How does edge streaming analytics reduce cloud dependency in an IoT system?

Accepted Answer

By processing data locally at the source

Question 14

How would choosing a hybrid cloud model affect data processing latency compared to a public cloud?

Accepted Answer

Reduces latency by using edge computing

Question 15

In analyzing a real-time temperature monitoring system, which board would be more suitable for edge analytics and why?

Accepted Answer

Raspberry Pi, because it offers a full OS and better processing power

Question 16

How does Sensors-as-a-Service support scalability in IoT cloud deployments?

Accepted Answer

By virtualizing sensors and sharing data through APIs

Question 17

In what way does YANG facilitate configuration consistency across IoT devices?

Accepted Answer

Provides a model-driven approach for data structure

Question 18

How does the limited processing power of Arduino boards influence the design of IoT applications than microcontroller

Accepted Answer

Requires more memory optimization

Question 19

When comparing different Arduino boards, which parameter is most critical for interfacing multiple analog sensors?

Accepted Answer

Number of analog input pins

Question 20

How does Python on Raspberry Pi enhance edge computing tasks compared to C on Arduino?

Accepted Answer

Easier integration with libraries and APIs

Questions 20