CISCO 700-846 Cisco IoT Advantage for Account Managers (IOTAAM) Free Practice Test — 30 Questions

Question 1

A smart agriculture system is implemented on a 100-acre farm to optimize water usage through precision irrigation. The system uses soil moisture sensors that trigger irrigation when the moisture level drops below a threshold of 30%. If the average moisture level is recorded at 25% during a dry season, and the irrigation system delivers water at a rate of 2 inches per hour, how many hours will it take to raise the soil moisture level to the optimal threshold of 40%? Assume that 1 inch of water raises the moisture level by 10% across the entire field.

Accepted Answer

3 hours

Question 2

A manufacturing company is considering investing in a new IoT-enabled production line that costs $500,000. The expected annual savings from increased efficiency and reduced waste is projected to be $120,000. Additionally, the company anticipates that the new system will generate an additional $50,000 in revenue per year. If the company uses a discount rate of 8% for its cost-benefit analysis, what is the net present value (NPV) of this investment over a 5-year period?

Accepted Answer

$164,000

Question 3

A manufacturing company is experiencing intermittent connectivity issues with its IoT devices deployed across its production line. The network management team has been tasked with optimizing the network to ensure reliable communication. They decide to implement Quality of Service (QoS) policies to prioritize traffic from critical IoT devices. If the team identifies that the total bandwidth of the network is 1 Gbps and they allocate 60% of this bandwidth to critical IoT devices, how much bandwidth in Mbps is reserved for these devices? Additionally, if the remaining bandwidth is to be shared equally among 10 non-critical devices, how much bandwidth in Mbps will each non-critical device receive?

Accepted Answer

600 Mbps for critical devices and 40 Mbps for each non-critical device

Question 4

A manufacturing company is looking to implement an IoT solution to optimize its production line. They have identified several key performance indicators (KPIs) that they want to improve, including machine uptime, energy consumption, and production speed. The company has a diverse range of machinery, some of which are older models that do not have built-in IoT capabilities. To tailor an IoT solution effectively, which approach should the company prioritize to ensure a comprehensive integration of IoT technology across its production line?

Accepted Answer

Implementing a combination of IoT sensors and gateways to retrofit older machines while integrating new IoT-enabled machinery into a centralized management platform.

Question 5

In a smart city deployment, a network engineer is tasked with designing a mesh topology for the IoT devices spread across various districts. Each device can communicate with multiple other devices directly, creating a robust network. If the engineer has 10 devices and each device can connect to 4 other devices, what is the maximum number of direct connections that can be established in this mesh topology, assuming no device connects to itself and each connection is bidirectional?

Accepted Answer

20

Question 6

A manufacturing company is considering investing in a new IoT-enabled production line that costs $500,000. The expected annual savings from increased efficiency and reduced waste is projected to be $120,000. Additionally, the company anticipates that the new line will generate an additional $80,000 in revenue per year. If the company uses a discount rate of 10% for its cost-benefit analysis, what is the net present value (NPV) of this investment over a 5-year period?

Accepted Answer

$164,000

Question 7

A manufacturing company is implementing the Cisco IoT Control Center to manage its fleet of connected devices. The company has 500 devices that require a monthly data plan. Each device consumes an average of 200 MB of data per month. The company is considering two different pricing models for their data plans: Model X charges $10 per device per month with an additional $0.05 per MB over 150 MB, while Model Y charges a flat rate of $15 per device per month with no overage fees. If the company wants to minimize its monthly data costs, which pricing model should they choose, and what would be the total monthly cost for the selected model?

Accepted Answer

Model X with a total cost of $3,000

Question 8

In a smart city deployment, various IoT devices are interconnected to facilitate real-time data collection and analysis. The network topology chosen for this deployment is a hybrid topology that combines elements of both star and mesh topologies. Given this scenario, which of the following statements best describes the advantages and potential challenges of using a hybrid topology in an IoT environment?

Accepted Answer

A hybrid topology allows for flexible scalability and redundancy, but it may introduce complexity in network management and higher costs due to the need for diverse infrastructure components.

Question 9

A manufacturing company processes large volumes of data from its production line every hour. They have implemented a batch processing system to analyze this data for quality control. If the system processes 5000 records every hour and the company operates 24 hours a day, how many records will be processed in a week? Additionally, if the system identifies that 2% of these records require further inspection, how many records will need to be inspected over the week?

Accepted Answer

672,000 records

Question 10

A manufacturing company is implementing a new IoT system to monitor its production line. The system will collect data from various sensors and devices, which will be transmitted over the network to a central server for analysis. Given the potential vulnerabilities associated with IoT devices, which security measures should the company prioritize to ensure the integrity and confidentiality of the data being transmitted?

Accepted Answer

Implementing end-to-end encryption for data in transit and ensuring that all devices are authenticated before they can connect to the network.

Question 11

In a smart manufacturing environment, a company is implementing a new IoT system that requires secure device authentication to ensure that only authorized devices can connect to the network. The system uses a combination of digital certificates and pre-shared keys (PSKs) for authentication. If a device attempts to connect and presents a digital certificate that has been revoked, what would be the most appropriate response from the authentication server to maintain network security?

Accepted Answer

Reject the connection attempt and log the incident for further analysis.

Question 12

A manufacturing company is looking to implement an IoT solution to optimize its production line. They have identified three key areas for improvement: reducing downtime, enhancing predictive maintenance, and improving supply chain visibility. The company has a diverse range of machinery, some of which are older and lack built-in IoT capabilities. To tailor an effective IoT solution, which approach should the company prioritize to ensure a comprehensive integration of IoT technologies across its operations?

Accepted Answer

Assess the current machinery and integrate IoT sensors to collect real-time data, enabling predictive analytics for maintenance and operational efficiency.

Question 13

In a smart manufacturing facility, a company is implementing an IoT solution that involves multiple connected devices, including sensors, cameras, and control systems. To ensure the security of the IoT network, the company is considering various security best practices. Which of the following practices would most effectively mitigate the risk of unauthorized access and data breaches in this environment?

Accepted Answer

Implementing a robust identity and access management (IAM) system that includes multi-factor authentication (MFA) for all users accessing the IoT devices and networks.

Question 14

A logistics company is implementing an IoT-based asset tracking system to monitor the location and condition of its fleet of delivery trucks. The company aims to reduce operational costs by optimizing routes and minimizing idle time. If the company tracks the average speed of its trucks at 60 km/h and estimates that each truck travels 120 km per day, how many hours per day does each truck spend on the road? Additionally, if the company identifies that 25% of the time is spent idling, how many hours are spent idling each day?

Accepted Answer

5 hours on the road, 1.25 hours idling

Question 15

A manufacturing company is implementing the Cisco IoT Control Center to manage its fleet of connected devices. The company has 500 devices that require a monthly data plan. Each device consumes an average of 200 MB of data per month. The company is considering two different pricing models: Model X charges $10 per device per month, while Model Y charges $0.05 per MB of data consumed. Calculate the total monthly cost for each model and determine which model is more cost-effective for the company.

Accepted Answer

Model X is more cost-effective.

Question 16

In a smart manufacturing environment, a company implements an IoT solution that collects data from various sensors to optimize production processes. The data collected includes sensitive information such as operational metrics, employee performance, and customer orders. To ensure data security, the company decides to implement a multi-layered security approach. Which of the following strategies would best enhance the security of the data collected from these IoT devices while ensuring compliance with data protection regulations such as GDPR and CCPA?

Accepted Answer

Implementing end-to-end encryption for data in transit and at rest, along with regular security audits and access controls.

Question 17

A smart agriculture company is implementing an IoT solution to optimize water usage in its fields. The system uses soil moisture sensors that transmit data to a central cloud platform. The company wants to analyze the data to determine the optimal irrigation schedule that minimizes water usage while maximizing crop yield. If the soil moisture level is below a threshold of 30% and the temperature exceeds 25°C, the system should trigger irrigation. Given that the average water usage per irrigation cycle is 500 liters per hectare, and the company manages 100 hectares, how much water will be used if the system triggers irrigation 4 times in a week?

Accepted Answer

200,000 liters

Question 18

A logistics company is implementing an IoT-based asset tracking system to monitor the location and condition of its shipping containers. The system uses GPS and various sensors to collect data on temperature, humidity, and movement. If the company has 500 containers and each container generates data every 10 seconds, how many data points will be collected in one day? Additionally, if the company needs to analyze this data to ensure that no container exceeds a temperature threshold of 75°F, what would be the total number of temperature readings collected in a week?

Accepted Answer

302,400,000 data points

Question 19

In a smart manufacturing environment, a company is implementing an IoT solution that utilizes AI and machine learning to optimize production efficiency. The system collects data from various sensors on the production line, including temperature, humidity, and machine performance metrics. The AI model is designed to predict equipment failures based on historical data and real-time sensor inputs. If the model has an accuracy rate of 85% and the company operates 100 machines, how many machines can be expected to fail without being predicted by the AI model over a year, assuming an average failure rate of 10% per machine per year?

Accepted Answer

15

Question 20

In a smart city IoT architecture, various sensors are deployed to monitor environmental conditions such as air quality, temperature, and humidity. Each sensor generates data that is transmitted to a central processing unit for analysis. If the air quality sensor generates data at a rate of 10 messages per minute, the temperature sensor at 5 messages per minute, and the humidity sensor at 8 messages per minute, what is the total data generation rate from these sensors in messages per hour? Additionally, if the central processing unit can process data at a rate of 600 messages per hour, what is the maximum number of messages that can be processed without any backlog?

Accepted Answer

780 messages per hour

Question 21

In a smart city environment, various IoT devices are deployed to enhance urban living. These devices collect data on traffic patterns, energy consumption, and environmental conditions. If a city implements a centralized IoT platform that integrates data from these devices, which of the following best describes the primary benefit of such an integration in terms of operational efficiency and decision-making capabilities?

Accepted Answer

Enhanced data analytics leading to informed decision-making and resource optimization

Question 22

In a smart manufacturing facility, various IoT devices are deployed to monitor equipment performance and environmental conditions. Recently, a security audit revealed that several devices were running outdated firmware, which is known to have vulnerabilities that could be exploited by malicious actors. Given this scenario, what is the most effective strategy to mitigate the risks associated with these device vulnerabilities?

Accepted Answer

Implement a regular firmware update schedule and conduct vulnerability assessments on all devices.

Question 23

A smart agricultural company is implementing an IoT solution to optimize water usage in its fields. The system uses soil moisture sensors to collect data and a centralized cloud platform to analyze this data in real-time. The company aims to reduce water consumption by 30% while maintaining crop yield. If the current water usage is 100,000 liters per week, how much water should the company aim to use after implementing the IoT solution? Additionally, what are the potential benefits of using such an IoT system in agriculture beyond just water savings?

Accepted Answer

70,000 liters per week

Question 24

A manufacturing company is experiencing delays in its production line due to equipment failures and inefficient resource allocation. The management is considering implementing an IoT solution to monitor equipment health and optimize resource usage. In this context, which of the following pain points should the company prioritize addressing to enhance operational efficiency and reduce downtime?

Accepted Answer

Lack of real-time data on equipment performance

Question 25

A manufacturing facility is looking to optimize its energy consumption to reduce costs and improve sustainability. The facility operates 24 hours a day and has a peak energy demand of 500 kW during operational hours. The average energy cost is $0.12 per kWh. If the facility implements an energy management system that reduces its peak demand by 20% and its overall energy consumption by 15%, what will be the estimated annual savings in energy costs, assuming the facility operates 365 days a year?

Accepted Answer

$10,512

Question 26

A manufacturing company is looking to implement a Green IoT solution to optimize its energy consumption and reduce its carbon footprint. They plan to deploy smart sensors throughout their facility to monitor energy usage in real-time. If the sensors can reduce energy consumption by 25% and the current energy cost is $0.12 per kWh, calculate the annual savings if the facility currently consumes 500,000 kWh per year. Additionally, discuss how the implementation of this solution aligns with sustainability principles and the potential impact on corporate social responsibility (CSR).

Accepted Answer

$15,000

Question 27

A smart irrigation system is designed to optimize water usage for a 10-acre agricultural field. The system uses soil moisture sensors to determine the optimal irrigation schedule. If the field requires 1.5 inches of water per week and the irrigation system operates at an efficiency of 80%, how much water (in gallons) should be applied to the field each week to meet the crop\'s needs? Assume that 1 acre-foot of water is equivalent to 325,851 gallons.

Accepted Answer

39,000 gallons

Question 28

A manufacturing company is implementing an IoT solution to monitor the performance of its machinery across multiple locations. The company collects data from various sensors, including temperature, vibration, and operational hours. To optimize their operations, they decide to aggregate this data for analysis. If the company collects data every minute from 50 machines over a 24-hour period, how many data points will they have for each type of sensor at the end of the day? Additionally, if they want to calculate the average temperature recorded by the sensors, what would be the formula to use for this aggregation?

Accepted Answer

72,000 data points; Average temperature = $\frac{	ext{Total temperature readings}}{	ext{Number of readings}}$

Question 29

A manufacturing company is looking to implement an Industrial Internet of Things (IIoT) solution to enhance its production efficiency. They plan to deploy sensors on their machinery to collect data on operational parameters such as temperature, vibration, and pressure. The company aims to analyze this data to predict equipment failures and optimize maintenance schedules. If the sensors generate data at a rate of 1000 data points per minute, and the company operates 24 hours a day, how many data points will be collected in one week? Additionally, if the company can analyze 10% of the collected data effectively, how many data points will be available for actionable insights after one week?

Accepted Answer

1,008,000 data points available for actionable insights

Question 30

In a smart manufacturing facility, various IoT devices are deployed to monitor equipment performance and optimize production processes. However, the facility\'s network has recently experienced a series of unauthorized access attempts. The security team is tasked with identifying the most critical vulnerabilities in the IoT devices that could be exploited by attackers. Which of the following vulnerabilities should the team prioritize addressing to enhance the overall security posture of the IoT ecosystem?

Accepted Answer

Inadequate authentication mechanisms for device access

CISCO 700-846 Cisco IoT Advantage for Account Managers (IOTAAM) Free Practice Test — 30 Questions

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