25 + Interview Questions in Iot Security in Iot Page 1 InterviewSolution

1.	It contains __________ design based templates for topography.(a) SMTP(b) HTML(c) MQTP(d) CoAPThe question was posed to me in an online interview.The doubt is from Bootstrapping topic in portion IoT Security, Understanding and Setting up the Base IoT Hardware of IOT
Answer» The correct option is (b) HTML To explain: It CONTAINS HTML and CSS BASED design templates for TYPOGRAPHY, FORMS, buttons, navigation and other interface components, as well as optional JavaScript extensions.

Discussion

2.	When is DEVICE_Init called?(a) Upload(b) Reset(c) Download(d) QueryThe question was posed to me in an interview for internship.My doubt stems from USB Bootloader topic in section IoT Security, Understanding and Setting up the Base IoT Hardware of IOT
Answer» The correct ANSWER is (b) Reset To explain I WOULD say: The DEVICE_Init routine is called after each device reset and is responsible for initializing the device and checking for the APPROPRIATE TRIGGER sources.

Discussion

3.	Do bootstrap 3 supports Google chrome.(a) True(b) FalseThe question was asked in examination.This intriguing question comes from Bootstrapping topic in section IoT Security, Understanding and Setting up the Base IoT Hardware of IOT
Answer» Correct option is (a) True The best EXPLANATION: Bootstrap 3 supports the latest version of the Google Chrome, FIREFOX, Internet Explorer Opera, and Safari. In ADDITIONAL support back to IE8 and the latest Firefox Extended Support RELEASE.

Discussion

4.	Bootstrap 4 has how many versions?(a) 4 versions(b) 3 versions(c) Only one version(d) 2 versionsThe question was asked in a job interview.I need to ask this question from Bootstrapping in division IoT Security, Understanding and Setting up the Base IoT Hardware of IOT
Answer» The correct OPTION is (d) 2 versions For explanation: The first alpha version of BOOTSTRAP 4 was released on AUGUST 19, 2015. The first beta version was released on august 10 2017.

Discussion

5.	__________ stars and __________forks are there in bootstrap.(a) 111,600 and 51,500(b) 51,500 and 111,600(c) 125,124 and 36,154(d) 36,154 and 125,124I have been asked this question in semester exam.My question is based upon Bootstrapping in section IoT Security, Understanding and Setting up the Base IoT Hardware of IOT
Answer» The correct CHOICE is (a) 111,600 and 51,500 Explanation: Bootstrap is the second most STARRED project on GitHub, with more than 111,600 STARS and 51,500 FORKS.

Discussion

6.	Bootstrap is a front end development only.(a) True(b) FalseI have been asked this question during an interview.I'm obligated to ask this question of Bootstrapping in portion IoT Security, Understanding and Setting up the Base IoT Hardware of IOT
Answer» The correct answer is (a) True Explanation: Unlike many WEB FRAMEWORKS, it CONCERNS with front-end development only.

Discussion

7.	All silicon labs SiMxxxxx MCUs with Flash memory are self-programmable.(a) True(b) FalseThis question was addressed to me in exam.The above asked question is from USB Bootloader in division IoT Security, Understanding and Setting up the Base IoT Hardware of IOT
Answer» Correct choice is (a) True Explanation: All SILICON LABS SiMxxxxx MCUs with Flash memory are self-programmable, IE., code running on the MCUs can erase and WRITE other parts of the code memory.

Discussion

8.	Boot loader consists of __________ number of components.(a) 4 components(b) 2 components(c) 3 components(d) 5 componentsThe question was posed to me by my college director while I was bunking the class.This key question is from USB Bootloader in chapter IoT Security, Understanding and Setting up the Base IoT Hardware of IOT
Answer» RIGHT ANSWER is (C) 3 components Best EXPLANATION: The boot loader consists of the FOLLOWING components: –> Target MCU –> Master programmer –> Data source.

Discussion

9.	__________ is used instead of less for stylesheets.(a) Hackathon(b) Grid layout(c) Flexbox(d) SassI got this question in an online quiz.The doubt is from Bootstrapping in division IoT Security, Understanding and Setting up the Base IoT Hardware of IOT
Answer» Right answer is (d) Sass Easy EXPLANATION: Sass s used instead of less for the stylesheets. Each Bootstrap component CONSISTS of an HTML STRUCTURE, CSS DECLARATION, and in some cases accompanying JavaScript code.

Discussion

10.	Does bootstrap 4 supports Sass and flexbox.(a) True(b) FalseThe question was posed to me during an interview for a job.Enquiry is from Bootstrapping topic in portion IoT Security, Understanding and Setting up the Base IoT Hardware of IOT
Answer» The correct ANSWER is (a) True The best I can explain: The version 4.0 ALPHA release added Sass and FLEXBOX support.

Discussion

11.	Application/s that provide to test the bootloader functionality.(a) Blinky_Fast and B.inky-Medium(b) Only Blinky_slow(c) Only Blinky_Fast(d) Blinky_Fast and Blinky_SlowThis question was posed to me during an online interview.My enquiry is from USB Bootloader in portion IoT Security, Understanding and Setting up the Base IoT Hardware of IOT
Answer» Right ANSWER is (d) Blinky_Fast and Blinky_Slow To explain I WOULD SAY: There are TWO example applications provided to test out the bootloader FUNCTIONALITY: –> Blinky_Fast –> Blinky_Slow.

Discussion

12.	Which switch should be pressed to perform all commands?(a) Up switch(b) Push(c) Down switch(d) Reset switchI had been asked this question in class test.My question is based upon USB Bootloader topic in chapter IoT Security, Understanding and Setting up the Base IoT Hardware of IOT
Answer» The correct choice is (d) RESET switch Explanation: Force the device into bootloader mode by holding down sw2 and pressing and releasing reset switch to PERFORM a QUERY, UPLOAD, or download command on the device.

Discussion

13.	___________ provides a set of stylesheets that provide basic style definition for HTML components.(a) Bootstrap(b) Javascript(c) Sass(d) FlexboxI have been asked this question in an online interview.Asked question is from Bootstrapping topic in division IoT Security, Understanding and Setting up the Base IoT Hardware of IOT
Answer» RIGHT answer is (a) Bootstrap Explanation: Bootstrap PROVIDES a set of STYLESHEETS that provide basic style definition for HTML COMPONENTS. These provide a uniform, MODERN appearance for formatting text, tables and form elements.

Discussion

14.	Sass stands for __________(a) Syntactically awesome Spreadsheets(b) Syntactically awesome Stylesheets(c) Scripting awesome Stylesheets(d) Scripting awesome SpreadsheetsI had been asked this question during an interview.Question is from Bootstrapping topic in section IoT Security, Understanding and Setting up the Base IoT Hardware of IOT
Answer» CORRECT answer is (b) Syntactically awesome Stylesheets To ELABORATE: Sass(Syntactically awesome Stylesheets) is a style sheet LANGUAGE initially DESIGNED by Hampton Catlin and DEVELOPED by Natalie Weizenbaum.

Discussion

15.	DEVICE_Init performs what?(a) Disabling watchdog timer and disabling APB clock(b) Enabling APB clock and enabling watchdog timer(c) Disabling watchdog timer and enabling APB clock(d) Disabling APB clock and enabling watchdog timerI had been asked this question in quiz.This interesting question is from USB Bootloader topic in division IoT Security, Understanding and Setting up the Base IoT Hardware of IOT
Answer» Correct ANSWER is (c) Disabling watchdog timer and enabling APB clock For explanation: The DEVICE_Init routine performs the following functions: –> Disables the watchdog timer and ENABLES the APB clock –> Determines the amount of Flash and RAM in the device –> Check all internal and EXTERNAL automatic TRIGGER sources.

Discussion

16.	Bootstrap was originally named as __________(a) Twitter Bootstrap(b) Twinkle Bootstrap(c) Twitter Blueprint(d) Twinkle BlueprintThe question was asked during a job interview.My query is from Bootstrapping in chapter IoT Security, Understanding and Setting up the Base IoT Hardware of IOT
Answer» Correct option is (c) Twitter Blueprint Easy EXPLANATION: Bootstrap, originally NAMED as Twitter Blueprint, was developed by Mark Otto, and Jacob THORNTON at Twitter as a framework to ENCOURAGE consistency across INTERNAL tools.

Discussion

17.	DFU stands for Device Firmware Update.(a) True(b) FalseThis question was addressed to me in semester exam.Question is from USB Bootloader topic in portion IoT Security, Understanding and Setting up the Base IoT Hardware of IOT
Answer» Correct choice is (a) True The BEST EXPLANATION: The file MANAGER and DFU state machine are imported unmodified from the FRAMEWORK software.

Discussion

18.	If the device is programmed with a bootloader, the application image is loaded in _________ interface.(a) UART(b) USB(c) SPI(d) I2CThis question was posed to me in a national level competition.My query is from USB Bootloader topic in division IoT Security, Understanding and Setting up the Base IoT Hardware of IOT
Answer» The correct option is (b) USB The BEST EXPLANATION: An uninitialized device requires the BOOTLOADER to be flashed over the debug interface. Once the device is programmed with a bootloader, the application IMAGE is loaded in USB interface.

Discussion

19.	DEVICE_Restore routine restores all the device registers modified by DEVICE_Init to their reset values.(a) True(b) FalseI got this question in exam.My doubt is from USB Bootloader in chapter IoT Security, Understanding and Setting up the Base IoT Hardware of IOT
Answer» Correct answer is (a) True Easy EXPLANATION: DEVICE_Restore routine restores all the device REGISTERS modified by DEVICE_Init to their reset values. This includes starting the WATCHDOG timer and restoring the APB clock gates back to their reset VALUE.

Discussion

20.	Which bootstrap uses flat design?(a) Bootstrap 2(b) Bootstrap 3(c) Bootstrap 4(d) BootstrapI had been asked this question in an interview for job.Asked question is from Bootstrapping topic in division IoT Security, Understanding and Setting up the Base IoT Hardware of IOT
Answer» Right option is (b) Bootstrap 3 For explanation I WOULD say: Bootstrap 3 was RELEASED, which resigned COMPONENTS to USE flat design, and a mobile first approach.

Discussion

21.	Bootstrap uses what?(a) Pixels(b) Root ems(c) Less(d) Pager componentThis question was posed to me during an online exam.Origin of the question is Bootstrapping in portion IoT Security, Understanding and Setting up the Base IoT Hardware of IOT
Answer» The correct option is (b) ROOT ems The explanation is: Bootstrap 4 is almost rewritten from Bootstrap 3. CHANGES INCLUDE: Switched from Less to Sass Switched from pixel to root ems.

Discussion

22.	Which bootstrap has twelve column responsive grid layout system?(a) Bootstrap 4(b) Bootstrap 3(c) Bootstrap 2(d) BootstrapI had been asked this question by my school teacher while I was bunking the class.I would like to ask this question from Bootstrapping topic in portion IoT Security, Understanding and Setting up the Base IoT Hardware of IOT
Answer» The correct choice is (c) Bootstrap 2 Explanation: Bootstrap 2 was released, which added a twelve column responsive grid layout system, inbuilt SUPPORT for Glyphicons, several new components, as WELL as CHANGES to MANY of the existing components.

Discussion

23.	Bootstrap is used for __________(a) Web applications(b) IoT(c) Bigdata(d) DataI got this question in an online interview.My query is from Bootstrapping topic in portion IoT Security, Understanding and Setting up the Base IoT Hardware of IOT
Answer» The CORRECT answer is (a) Web applications To explain I WOULD say: Bootstrap is a free and open source FRONT end web framework for DESIGNING websites and web applications.

Discussion

24.	Grid system and responsive design come standard with __________ pixel wide grid layout.(a) 1270(b) 1500(c) 1170(d) 1350This question was addressed to me during a job interview.The doubt is from Bootstrapping in portion IoT Security, Understanding and Setting up the Base IoT Hardware of IOT
Answer» The CORRECT answer is (c) 1170 To EXPLAIN I would say: GRID system and responsive design come standard with 1170 pixel wide grid layout. Alternatively, the developer can use a VARIABLE width layout.

Discussion

25.	_________ command should be performed to very that the firmware image is Blinky_fast.(a) Query(b) Reset(c) Upload(d) DownloadI have been asked this question in quiz.My question is based upon USB Bootloader in section IoT Security, Understanding and Setting up the Base IoT Hardware of IOT
Answer» Correct choice is (a) Query The EXPLANATION: Query COMMAND is performed and we have to VERIFY that the sAppName of the LOADED firmware IMAGE is Blinky_Fast.

Discussion

Explore topic-wise InterviewSolutions in .

It contains __________ design based templates for topography.(a) SMTP(b) HTML(c) MQTP(d) CoAPThe question was posed to me in an online interview.The doubt is from Bootstrapping topic in portion IoT Security, Understanding and Setting up the Base IoT Hardware of IOT

When is DEVICE_Init called?(a) Upload(b) Reset(c) Download(d) QueryThe question was posed to me in an interview for internship.My doubt stems from USB Bootloader topic in section IoT Security, Understanding and Setting up the Base IoT Hardware of IOT

Do bootstrap 3 supports Google chrome.(a) True(b) FalseThe question was asked in examination.This intriguing question comes from Bootstrapping topic in section IoT Security, Understanding and Setting up the Base IoT Hardware of IOT

Bootstrap 4 has how many versions?(a) 4 versions(b) 3 versions(c) Only one version(d) 2 versionsThe question was asked in a job interview.I need to ask this question from Bootstrapping in division IoT Security, Understanding and Setting up the Base IoT Hardware of IOT

stars and forks are there in bootstrap.(a) 111,600 and 51,500(b) 51,500 and 111,600(c) 125,124 and 36,154(d) 36,154 and 125,124I have been asked this question in semester exam.My question is based upon Bootstrapping in section IoT Security, Understanding and Setting up the Base IoT Hardware of IOT

Bootstrap is a front end development only.(a) True(b) FalseI have been asked this question during an interview.I'm obligated to ask this question of Bootstrapping in portion IoT Security, Understanding and Setting up the Base IoT Hardware of IOT

All silicon labs SiMxxxxx MCUs with Flash memory are self-programmable.(a) True(b) FalseThis question was addressed to me in exam.The above asked question is from USB Bootloader in division IoT Security, Understanding and Setting up the Base IoT Hardware of IOT

__________ is used instead of less for stylesheets.(a) Hackathon(b) Grid layout(c) Flexbox(d) SassI got this question in an online quiz.The doubt is from Bootstrapping in division IoT Security, Understanding and Setting up the Base IoT Hardware of IOT

Does bootstrap 4 supports Sass and flexbox.(a) True(b) FalseThe question was posed to me during an interview for a job.Enquiry is from Bootstrapping topic in portion IoT Security, Understanding and Setting up the Base IoT Hardware of IOT

Which switch should be pressed to perform all commands?(a) Up switch(b) Push(c) Down switch(d) Reset switchI had been asked this question in class test.My question is based upon USB Bootloader topic in chapter IoT Security, Understanding and Setting up the Base IoT Hardware of IOT

Bootstrap was originally named as __________(a) Twitter Bootstrap(b) Twinkle Bootstrap(c) Twitter Blueprint(d) Twinkle BlueprintThe question was asked during a job interview.My query is from Bootstrapping in chapter IoT Security, Understanding and Setting up the Base IoT Hardware of IOT

DFU stands for Device Firmware Update.(a) True(b) FalseThis question was addressed to me in semester exam.Question is from USB Bootloader topic in portion IoT Security, Understanding and Setting up the Base IoT Hardware of IOT

DEVICE_Restore routine restores all the device registers modified by DEVICE_Init to their reset values.(a) True(b) FalseI got this question in exam.My doubt is from USB Bootloader in chapter IoT Security, Understanding and Setting up the Base IoT Hardware of IOT

Which bootstrap uses flat design?(a) Bootstrap 2(b) Bootstrap 3(c) Bootstrap 4(d) BootstrapI had been asked this question in an interview for job.Asked question is from Bootstrapping topic in division IoT Security, Understanding and Setting up the Base IoT Hardware of IOT

Bootstrap uses what?(a) Pixels(b) Root ems(c) Less(d) Pager componentThis question was posed to me during an online exam.Origin of the question is Bootstrapping in portion IoT Security, Understanding and Setting up the Base IoT Hardware of IOT

Bootstrap is used for __________(a) Web applications(b) IoT(c) Bigdata(d) DataI got this question in an online interview.My query is from Bootstrapping topic in portion IoT Security, Understanding and Setting up the Base IoT Hardware of IOT

Grid system and responsive design come standard with __________ pixel wide grid layout.(a) 1270(b) 1500(c) 1170(d) 1350This question was addressed to me during a job interview.The doubt is from Bootstrapping in portion IoT Security, Understanding and Setting up the Base IoT Hardware of IOT

_________ command should be performed to very that the firmware image is Blinky_fast.(a) Query(b) Reset(c) Upload(d) DownloadI have been asked this question in quiz.My question is based upon USB Bootloader in section IoT Security, Understanding and Setting up the Base IoT Hardware of IOT