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Comcast Sdet Interview Questions and Answers
Comcast Sdet Interview Experiences
3 interviews found
Shanmuga Prasanth
(2 Questions)
- Q1. Java coding question
- Q2. Selenium questions
Anonymous
I applied via Naukri.com and was interviewed before Nov 2023. There was 1 interview round.
(5 Questions)
- Q1. Write program of sum of digits
- Ans.
Program to calculate the sum of digits in a number
Iterate through each digit of the number and add them together
Use modulus operator to extract each digit
Convert the number to a string to easily access individual digits
- Q2. Smallest number in array
- Ans.
Find the smallest number in an array of strings
Convert the strings to numbers before comparing
Use a loop to iterate through the array and keep track of the smallest number
Handle cases where the array is empty or contains non-numeric strings
Example: ['5', '10', '2', '8'] should return '2'
- Q3. Cucumber basic questions
- Q4. SQL basic questions
- Q5. Manual testing basic questions
Skills evaluated in this interview
(1 Question)
- Q1. Python programming basics
Interview questions from similar companies
Ayush Kalani
Interview Questionnaire
1 Question
- Q1. Solve a magic cube
Interview Preparation Tips
Experience: Aptitude test was taken on aspiring minds and name of the test series was AMCAT.600 students gave the exam and 90 were selected for the GD.
There were four sections and each section had a minimum number of questions to be attempted and there was no negative marking.Navigation among questions and sections were not allowed so use you time and mind carefully.
Section 1 - Quants
Section 2 - Verbal Ability and Critical Reasoning
Section 3 - Logical Reasoning
Section 4 - Programming and Computer Science
Tips: Speed is the key.key. Quants are easier they test only the speed of the candidate.I think the programming section has the max weight age so try to focus on that section and try to score maximum marks in that section. Programming questions were tough and there were questions from a wide range of subjects Networking , Algorithms ,Data Structures , Java, C/C++, Operating Systems,Advanced Databases etc.
Round: Group Discussion
Experience: Group discussion was very ordinary and easy to crack if you have the right content and suitable examples and clear and crisp communication skills.I took the against side of the issue which only 2 out of 10 members did and I was very bold and effective with my statements and defended my stance effectively.
Tips: Give examples,Be bold and clear and crisp .
Duration: 25 minutes
Round: HR Interview
Experience: My HR interview started at around 11pm in the night so it was very chilled out.He asked me about what excites me , why verizon , what projects I have done and what role I've played it them.He asked about my college life ? What do we study ? Why do you want to work for a MNC rather then a startup? and many more general questions which I don't remember because my interview was very chilled out. I was having fun.I asked him a lot of questions about job profile and company and many of their products so he was impressed with me.
Tips: Please do a detailed survey of the work that the company does and have knowledge about the sector and SDLC.
Round: Puzzle Interview
Experience: I was given a 3*3 and 5*5 magic cube to solve.I tried a lot of times and it took nearly 15-20 minutes to solve both the questions correctly.He asked my approach I said politely Hit and Trial and then he said to me there's a shortcut and he told me a very nice and quick trick to solve the magic cube.
Round: Technical Interview
Experience: Basic programming questions were asked about patterns, strings and some algorithms like quick sort and merge sort.
Major tough and difficult questions were asked on databases and advanced databases in oracle.He asked many questions about the projects that I've done.In depth questions regarding projects were asked.He asked questions about various things used in web application and may question regarding MySql and Tables and JOINS.
Tips: Keep your calm even if you don't know any answer. I couldn't answer to one question of databases which carried our discussion on that questions for around 10 mins but still I couldn't answer the question and in the end I asked just out of curiosity that I want to know the answer to the question and he explained me the concept perfectly.
Skills: Programming, Databases, Communication Skills, Software Development Life Cycle
College Name: SRM University
Interview Questionnaire
7 Questions
- Q1. Array sorting – Bubble sort and its complexity?
- Ans.
Bubble sort is a simple sorting algorithm that repeatedly steps through the list, compares adjacent elements and swaps them if they are in the wrong order.
Bubble sort has a worst-case and average complexity of O(n^2), where n is the number of items being sorted.
It is not efficient for large lists and is generally used for educational purposes.
Example: Sorting an array of strings in alphabetical order using bubble sort.
- Q2. Various storage classes in C? Difference between auto, static?
- Ans.
Auto and static are two storage classes in C. Auto variables are local to a function while static variables retain their value between function calls.
Auto variables are created when a function is called and destroyed when the function ends
Static variables are initialized only once and retain their value between function calls
Auto variables have garbage value if not initialized while static variables are initialized to
- Q3. Questions on Pointers, memory management, scope of variables, etc were asked
- Q4. What are your strengths and weaknesses?
- Ans.
My strengths include problem-solving, attention to detail, and adaptability. My weaknesses include public speaking and impatience.
Strengths: problem-solving, attention to detail, adaptability
Weaknesses: public speaking, impatience
- Q5. Where do you see yourself 5 years from now?
- Ans.
In 5 years, I see myself as a senior software developer leading a team of developers to create innovative solutions.
Leading a team of developers to create innovative solutions
Continuing to learn and stay up-to-date with the latest technologies
Contributing to the growth and success of the company
Mentoring and coaching junior developers
Taking on more responsibilities and challenges
- Q6. What are your interests?
- Ans.
I am interested in exploring new technologies and learning new programming languages.
Exploring new technologies
Learning new programming languages
Attending tech conferences and meetups
Contributing to open source projects
- Q7. Are you ready to relocate?
- Ans.
Yes, I am open to relocation for the right opportunity.
I am willing to relocate for the right job opportunity
I am open to exploring new cities and cultures
I am willing to consider relocation assistance
I am excited about the prospect of working in a new environment
Interview Preparation Tips
Experience: The written test had 75 questions and we were allotted 80 minutes for the same.There were four sections: Verbal, Analytical, Attention to Detail and Technical (C and Data Structures).First, there was the verbal section. Basically, questions on articles, synonyms and antonyms were asked. Two passages were also given and related questions were asked. The analytical section included questions from quant (set theory, data sufficiency, cubes,etc.) and Logical Reasoning.
The third section was the easiest and did not require any special preparation. From a group of patterns, we had to determine if they were alike or different.
The fourth was the technical section and had 5 questions each from C and DS. This was the toughest section.Time management is absolutely important. There were sectional cutoffs and so we had to clear each section.
Round: Technical Interview
Experience: It was the PI round. First, we had the technical interview. Various questions on C and Data Structures were asked.Next, we had the HR interview. Here, the usual questions were asked. Some of them were:
Round: HR Interview
Experience: Also, questions from what I had written in my CV were asked.On the whole, the interview went quite well. And finally, I was selected.
Skills: Algorithm, C, C++
College Name: NIT PATNA
Skills evaluated in this interview
Interview Questionnaire
10 Questions
- Q1. All project related questions .(He found some fault and asked to remove it)?
- Q2. Why do we need garbage collection and how it is done in JAVA ?
- Ans.
Garbage collection is necessary to free up memory occupied by unused objects. Java uses automatic garbage collection.
Garbage collection helps prevent memory leaks and improves performance.
Java uses a mark-and-sweep algorithm to identify and remove unused objects.
The JVM periodically checks for unused objects and frees up memory occupied by them.
Developers can also manually trigger garbage collection using System.gc() m...
- Q3. Difference between TCP and UDP ?
- Ans.
TCP is a connection-oriented protocol while UDP is connectionless.
TCP provides reliable data transfer while UDP does not guarantee reliability.
TCP uses flow control and congestion control while UDP does not.
TCP is slower than UDP due to the overhead of establishing and maintaining a connection.
UDP is faster than TCP for applications that can tolerate data loss such as video streaming or online gaming.
- Q4. In which scenario do we need UDP ?
- Ans.
UDP is used in scenarios where speed is more important than reliability, such as online gaming and video streaming.
UDP is a connectionless protocol that does not guarantee delivery of packets
It is faster than TCP because it does not have to establish a connection before sending data
UDP is commonly used in online gaming, video streaming, and VoIP applications
It is also used for broadcasting and multicasting data to mult
- Q5. Discussion on Hashmap , Collision function , heap data structure
- Q6. Two puzzles a. Given a bar , cut it twice and pay for 7 days?
- Q7. B. three ants are running on edges of a equilateral triangle with same speed. What is prob that dey will never meet?
- Ans.
The probability that three ants running on the edges of an equilateral triangle will never meet is 1/3.
The ants will never meet if they all move in the same direction (clockwise or counterclockwise) at the same speed.
The probability of this happening is 1/3, as each ant has two possible directions to choose from.
Example: If one ant starts moving clockwise, the other two ants must also move clockwise to never meet.
- Q8. Tell me about yourself ?
- Ans.
I am a software developer with experience in Java and Python.
I have a Bachelor's degree in Computer Science.
I have worked on various projects involving web development and data analysis.
I am proficient in Java and Python programming languages.
I am a quick learner and enjoy working in a team environment.
- Q9. Where do you see yourself in 5 yrs ?
- Ans.
In 5 years, I see myself as a senior software developer leading a team of developers to create innovative solutions.
Leading a team of developers
Creating innovative solutions
Continuing to learn and grow as a developer
Contributing to the success of the company
Building strong relationships with colleagues and clients
- Q10. Your strengths and asked to justify it (Jitni bakar kr skte ho kr do ) ?
Interview Preparation Tips
Experience: Relevance of technology
Round: Technical Interview
Experience: 1. All project related questions .(He found some fault and asked to remove it)?
2. Why do we need garbage collection and how it is done in JAVA ?
3. Difference between TCP and UDP ?
4. In which scenario do we need UDP ?
5. Discussion on Hashmap , Collision function , heap data structure
6. Two puzzles
a. Given a bar , cut it twice and pay for 7 days?
b. three ants are running on edges of a equilateral triangle with same speed. What is prob that dey will never meet?
Round: HR Interview
Experience: 1. Tell me about yourself ?
2. Where do you see yourself in 5 yrs ?
3. Your strengths and asked to justify it (Jitni bakar kr skte ho kr do ) ?
College Name: NA
Skills evaluated in this interview
Interview Questionnaire
8 Questions
- Q1. Basic coding question from C, Data Structures and DBMS
- Q2. Questions from java and C++ (as it was mentioned in the resume)
- Q3. The main point of concentration was projects and training
- Q4. Some people were also asked questions related to data communication and basic electronics
- Q5. Questions like ‘Tell me about yourself’. (Try to create a good impression)
- Q6. Questions on your personality. Show confidence while answering. The HR might try to oppose what you say and see how you react
- Q7. Standard puzzles?
- Q8. Questions like, ‘Why do you want to join Verizon?’, ‘Why should we hire you?’
Interview Preparation Tips
Experience: Consisted of Quantitative aptitude, Logical reasoning, Data Interpretation and English.(Time management is important)
Skills: C, C++, Data structure, Algorithm
College Name: na
Interview Questionnaire
6 Questions
- Q1. Suppose you are recruited as an ECE engineer in IRCTC. Your job is to stop the train accidents that happen every now and then. Use your Applied Electronics to construct a scheme/plan. Tell me how will you ...
- Ans.
Using Applied Electronics to prevent train accidents in IRCTC
Implement sensors to detect obstacles on tracks
Use GPS and communication systems to alert train drivers of potential dangers
Install automatic braking systems in case of emergency
Regular maintenance and inspection of tracks and trains
Train and educate staff on safety protocols and emergency procedures
- Q2. Explain the working of IC 555 timer
- Ans.
IC 555 timer is a versatile timer IC used in various applications like oscillators, timers, and flip-flops.
IC 555 timer has three modes of operation: monostable, astable, and bistable.
In monostable mode, the output is high for a fixed duration when triggered.
In astable mode, the output oscillates between high and low states.
In bistable mode, the output remains in either high or low state until triggered.
IC 555 timer ca...
- Q3. How internet works, Network model etc
- Ans.
The internet is a global network of interconnected devices that communicate using standardized protocols.
The internet is based on the TCP/IP protocol suite.
Data is transmitted in packets across the network.
The network model consists of layers, including the physical, data link, network, transport, and application layers.
Routing protocols are used to direct packets to their destination.
Examples of internet applications ...
- Q4. General question from my CV
- Q5. Tell me about yourself
- Ans.
I am a software engineer with experience in developing web and mobile applications using various programming languages and frameworks.
Proficient in Java, Python, and JavaScript
Experience with React, Angular, and Node.js
Strong understanding of database management systems
Passionate about learning new technologies and solving complex problems
- Q6. Family, Schooling, Interests
Interview Preparation Tips
Experience: It was 2.5 hour long AMCAT test comprising of Quant, Verbal ability, analytic ability, technical section comprising questions from C, DSA and other computer fundamentals.
The test is not that difficult so the cutoff generally goes high
Duration: 150 minutes
Round: Technical Interview
Experience: Started with a formal "Tell me about yourself". While I continued for 2 minutes, he read my CV word to word. Since I had always been interested in programming and so it was my strong point. But he didn't even ask my area of interest and directly asked me question from core electronics that too application based. The questions were like this:
1. "Suppose you are recruited as an ECE engineer in IRCTC. Your job is to stop the train accidents that happen every now and then. Use your Applied Electronics to construct a scheme/plan. Tell me how will you proceed?"
I was literally stunned at such a question. However I took some seconds to think and gave him 2-3 answers all applying the idea in one way or the other. Like use of modern sensors, RADAR technology, Use of automated baricates at crossings and explained it to him. He wasn't fully convinced but somehow I was able to do OK.
After that i told him that I was more comfortable in programming and computer science subjects. he neglected this altogether and kept asking me ECE questions. Next questions were like "Explain the working of IC 555 timer." I told him straight away that I didn't know it very well.
After this he moved on to ask me the difference between GSM and CDMA technology, how mobile phones work and the whole concept of cellular telephony. I had prepared well for it and told him even more than he was expecting so he was quite pleased to hear it.
Next were some questions from computer networks like how internet works, Network model etc. I told him I was studying CN currently so i gave him the basics of OSI model explaining briefly each of the 7 layers. Also told him about sub-nets, sub-net masks etc.
After this he asked me some general question from my CV about my achievements like KVPY scholarship, NTSE scholarship and about my research paper. I explained it to him to the best I could. Then I asked a couple questions from my side and this interview was over. The whole process took around 35-40 minutes.
Tips: For technical, have a solid command over all the fundamentals of important subjects. You need to start early. 3rd year is a good time to plan and start your preparation. In your summer holidays before 7th semester, don't focus your full attention on your training. It is also important but you need to take out some extra time for aptitude building, revising concepts and enhancing your communication skills. Be confident and be honest. Try to make the conversation as interesting as possible. Try to be more interested in the company. If possible, do a little homework about the company visiting your college. It will prove to be useful and certainly will give you an edge above others.
Round: HR Interview
Experience: It had hardly been 15 minutes after the completion of my technical interview and I was called for the HR round. Again it started with “tell me about yourself” but this time the lady asked me everything about my family, my schooling, my interests and all. It was a really good 30 minutes spent as the conversation was really interesting. Then she asked me whether I had any problems in relocation. Then it led to a good discussion about how is life different in Hyderabad and Chennai. I asked her a little bit about her education and how she started a formal career in management. She was very happy to respond. Lastly, there were some concluding remarks, a formal thank you and the interview was over.
Tips: Make the interview as interactive as possible. Ask a lot of questions. The person should know that you are really interested in the company. Prepare good answers for HR round well in advance.Any extracurricular activities that you have been a part of may come up in the HR/Managerial round. I was asked what have you done in your college life so far other than studies. I had a lot to say in that matter as i was involved in dramatics, debating, quizzing and other activities right from the school level. They may be interested to know how efficiently have you handled any complex or challenging situations in your life. I was the Event Executive of Fashion Show "PANACHE" in BLITZSCHLAG'13. I explained to HR what all I did to make that event a success and she was really impressed with it.
General Tips: CGPA matters. Not always but definitely it's a point worth considering when the interviewers are confused even after the completion of all the rounds about which students to select.Although not specific to this company, but other companies give a lot of credit to CGPA. It is an important factor along with the 1st written round for the shortlisting of candidates.So, maintain as good a CGPA as you can.In your technical interview you are going to be asked about at least one project that you have been involved in your college life. If some project is mentioned in your CV, it is certain that the interviewer will ask you about it. I have seen discussions as long as 1 hour or more on one's project itself.
College Name: NIT JAIPUR
Skills evaluated in this interview
Selected
I applied via Campus Placement and was interviewed before Feb 2023. There were 2 interview rounds.
Some basic level of dsa questions like sorting and reverse a linked list and some javascript question
(1 Question)
- Q1. It was totally based on your project and resume
Questions were asked
Dsa dp, graphs and many more questions from arrays and linked list were asked
Interview Preparation Tips
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Comcast Sdet Interview Process
based on 3 interviews
1 Interview rounds
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