Dell Senior Technical Support Associate Interview Questions and Answers

Q1. Question related to tech tou
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Q2. Regarding bord trouble shoot
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Q1. Tell me about your self
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Q2. Also its ask about your family details
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Q1. In this round they just talk to you on any topic to check your fluency in English
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Q1. Difference between Microcontroller and microprocessor
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Microcontroller is a single integrated circuit that contains a processor core, memory, and programmable input/output peripherals, while a microprocessor is just the processor core.
• Microcontroller is a self-contained system with memory, I/O peripherals, and a processor core on a single chip.

• Microprocessor is just the central processing unit (CPU) and requires external components for memory and I/O operations.

• Microcontro...read more
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Q2. Uses of HDMI cable
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HDMI cable is used to transmit high-quality audio and video signals from one device to another.
• Connects devices such as TVs, monitors, projectors, and gaming consoles

• Supports high-definition video and audio

• Eliminates the need for multiple cables for audio and video connections

• Used in home entertainment systems, conference rooms, and gaming setups
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Q3. Full form of HDMI cable
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High Definition Multimedia Interface
• Stands for High Definition Multimedia Interface

• Used to transmit high-quality audio and video signals

• Commonly used to connect devices like TVs, monitors, and projectors

• Supports resolutions up to 4K and beyond
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Q4. Difference between LCD and LED
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LCD uses liquid crystals to produce images, while LED uses light-emitting diodes for backlighting.
• LCD stands for Liquid Crystal Display, while LED stands for Light-Emitting Diode.

• LCD screens require a separate light source for illumination, while LED screens have built-in backlighting.

• LED screens are generally more energy-efficient and produce brighter images compared to LCD screens.

• Examples: LCD TVs, LED monitors.
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Q5. Tell me about your college project and describe it properly
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Q6. In smart watch which sensor is used to measurement of pulse
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Q1. Why do you want to work with us?
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Q1. What do you know about apple?
Ans. 
Apple Inc. is a multinational technology company known for its consumer electronics, software, and online services.
• Founded in 1976 by Steve Jobs, Steve Wozniak, and Ronald Wayne

• Known for products like iPhone, iPad, Mac computers, and Apple Watch

• Operates the App Store, iTunes Store, and Apple Music

• Headquartered in Cupertino, California
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On any current affairs/technology/product topic

Q1. Questions from resume, Goals, interests
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Q2. Questions on consumer electronics technologies, college projects
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Q3. Hobbies, interest and other normal questions
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Q4. Why do you want to join this company?
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Q1. Right on to salary discussion
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Q2. Company benefits, policies etc.
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Q1. What is DNS and why do we use it
Ans. 
DNS stands for Domain Name System. It is used to translate domain names into IP addresses.
• DNS is like a phonebook for the internet

• It helps to identify and locate websites

• DNS servers store information about domain names and their corresponding IP addresses

• Without DNS, we would have to remember IP addresses to access websites

• DNS can also be used for load balancing and security purposes
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Q2. What are the port numbers of various Protocols - DHCP,SMTP
Ans. 
DHCP uses port 67 and 68, SMTP uses port 25.
• DHCP uses port 67 and 68 for server and client communication respectively.

• SMTP uses port 25 for email transmission.
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