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AT&T Intern Interview Questions and Answers

Updated 23 Nov 2024

AT&T Intern Interview Experiences

2 interviews found

Intern Interview Questions & Answers

user image Anonymous

posted on 23 Nov 2024

Interview experience
2
Poor
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Not Selected

I applied via Referral and was interviewed in Oct 2024. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. It was a online coding round with one question related to a medium hard binary search question..
  • Q2. The second question was bit ambiguous question involving a tree, where we were asked to add a tree child and subchild in the form a a directory and subdirectory

Interview Preparation Tips

Interview preparation tips for other job seekers - The flexibility in interview rescheduling is not good, If you'll ask for rescheduling, you won't get a new date, and the current will be cancelled

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Intern Interview Questions & Answers

user image Anonymous

posted on 17 Mar 2024

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Use of Hash Table
  • Ans. 

    Hash tables are data structures that store key-value pairs for efficient retrieval.

    • Hash tables use a hash function to map keys to indexes in an array.

    • They have constant time complexity for insertion, deletion, and lookup operations.

    • Collisions can occur when multiple keys hash to the same index, which can be resolved using techniques like chaining or open addressing.

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Basic DSA questions.

Skills evaluated in this interview

Intern Interview Questions Asked at Other Companies

asked in Accenture
Q1. Case. There is a housing society “The wasteful society”, you coll ... read more
Q2. Which programming language you are comfortable with?
asked in Deloitte
Q3. Case : I am a US based company and I sell 3 products A, B, C (I d ... read more
Q4. Huffman Coding Challenge Given an array ARR of integers containin ... read more
asked in Accenture
Q5. A marketing strategy case. Client is a perfume seller in Jaipur. ... read more

Interview questions from similar companies

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
No response

I applied via Referral and was interviewed before Apr 2022. There were 4 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all Resume tips
Round 2 - Aptitude Test 

Question was Good
Asked question about aptitude

Round 3 - Coding Test 

Question was okay
Asked question on c and java

Round 4 - HR 

(1 Question)

  • Q1. Job type and other details shared
Interview experience
4
Good
Difficulty level
Easy
Process Duration
-
Result
Selected Selected

I was interviewed in Mar 2023.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all Resume tips
Round 2 - Technical 

(2 Questions)

  • Q1. Interview was easy. about Networking related questions
  • Q2. OSI layers model
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(2 Questions)

  • Q1. What is DNS and explain
  • Ans. 

    DNS stands for Domain Name System, which translates domain names to IP addresses.

    • DNS is like a phone book for the internet, translating human-readable domain names (like google.com) to IP addresses (like 172.217.3.206).

    • It helps users access websites by typing in easy-to-remember domain names instead of complex IP addresses.

    • DNS servers store records of domain names and their corresponding IP addresses, allowing for effi...

  • Answered by AI
  • Q2. What is the difference between wifi and Bluetooth
  • Ans. 

    Wifi is used for high-speed internet access over a larger area, while Bluetooth is used for short-range communication between devices.

    • Wifi is used for connecting devices to the internet wirelessly over a larger area

    • Bluetooth is used for short-range communication between devices, typically within a range of 30 feet

    • Wifi typically offers faster data transfer speeds compared to Bluetooth

    • Wifi requires a network access point...

  • Answered by AI

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(2 Questions)

  • Q1. How is this related to yiu
  • Q2. Why you want to join this
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(1 Question)

  • Q1. OSI model, netwroking concepts

Intern Interview Questions & Answers

Ericsson user image Smia Olomo

posted on 30 Sep 2024

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(2 Questions)

  • Q1. Why do you want to work at ericsson
  • Ans. 

    I want to work at Ericsson because of their innovative technology solutions and global impact in the telecommunications industry.

    • Ericsson is a leader in the telecommunications industry, providing cutting-edge technology solutions.

    • I am impressed by Ericsson's global presence and impact, working with clients all over the world.

    • I am excited about the opportunity to contribute to Ericsson's innovative projects and work wit

  • Answered by AI
  • Q2. What do you think about repetitive tasks
  • Ans. 

    Repetitive tasks can be monotonous but also provide an opportunity for efficiency and improvement.

    • Repetitive tasks can lead to boredom and decreased motivation.

    • However, they also offer a chance to streamline processes and identify areas for improvement.

    • For example, data entry may be repetitive but can highlight errors in the system that need to be addressed.

    • Creating templates or checklists can help make repetitive task...

  • Answered by AI
Interview experience
4
Good
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed before Oct 2023. There were 2 interview rounds.

Round 1 - Technical 

(2 Questions)

  • Q1. What is modulation
  • Ans. 

    Modulation is the process of varying a carrier signal's properties to encode information.

    • Modulation is used in telecommunications to transmit information over long distances.

    • There are different types of modulation such as amplitude modulation (AM), frequency modulation (FM), and phase modulation (PM).

    • In AM, the amplitude of the carrier signal is varied in proportion to the waveform being transmitted.

    • In FM, the frequenc...

  • Answered by AI
  • Q2. Types of modulation
  • Ans. 

    Modulation is the process of varying a carrier signal's properties to transmit information.

    • Types of modulation include amplitude modulation (AM), frequency modulation (FM), and phase modulation (PM)

    • AM involves varying the amplitude of the carrier signal to encode information

    • FM involves varying the frequency of the carrier signal

    • PM involves varying the phase of the carrier signal

    • Other types of modulation include quadrat...

  • Answered by AI
Round 2 - HR 

(2 Questions)

  • Q1. Are you willing to relocate
  • Q2. Salrary negotiations
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all Resume tips
Round 2 - Aptitude Test 

3 rounds starts with Technical and then group discussion and final round was about HR.

Round 3 - Assignment 

Online coding round with choice of your language.

Round 4 - HR 

(2 Questions)

  • Q1. Positives and negatives
  • Q2. About relocations to different places.

Interview Preparation Tips

Interview preparation tips for other job seekers - Just calm down, very basics question they will ask.
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AT&T Interview FAQs

How many rounds are there in AT&T Intern interview?
AT&T interview process usually has 1 rounds. The most common rounds in the AT&T interview process are Technical.
How to prepare for AT&T Intern interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at AT&T. The most common topics and skills that interviewers at AT&T expect are Corporate, Product Management, Sales Operations, Staffing and Technical Support.
What are the top questions asked in AT&T Intern interview?

Some of the top questions asked at the AT&T Intern interview -

  1. Use of Hash Ta...read more
  2. The second question was bit ambiguous question involving a tree, where we were ...read more
  3. It was a online coding round with one question related to a medium hard binary ...read more

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AT&T Intern Salary
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₹1 L/yr - ₹5.1 L/yr
18% less than the average Intern Salary in India
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