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Top 200 Data Engineer Interview Questions & Answers

Top 200 Data Engineer Interview Questions & Answers

https://www.amazon.com/Data-Engineer-Interview-Questions-Ans...
Top 200 Data Engineer Interview QuestionsBig Data and Data Science are the most popular technology trends. There is a growing demand for Data Engineer job in technology companies. This book contains technical interview questions that an interviewer asks for Data Engineer position. Each question is accompanied with an answer so that you can prepare for job interview in short time. The book contains questions on Apache Hadoop, Hive, Spark, SQL and MySQL. It is a combination of our five other books.We have compiled this list after attending dozens of technical interviews in top-notch companies like- Airbnb, Netflix, Amazon etc.Often, these questions and concepts are used in our daily work. But these are most helpful when an Interviewer is trying to test your deep knowledge of Big Data topics like- Hadoop, Hive, Spark, SQL, MySQL etc.What are the Big Data topics covered in this book?We cover a wide variety of Big Data and Data Science topics in this book. Some of the topics are Apache Hadoop, Hive, Spark, SQL, MySql etc.How will this book help me?By reading this book, you do not have to spend time searching the Internet for Data Engineer interview questions. We have already compiled the list of the most popular and the latest Data Engineer Interview questions. Are there answers in this book?Yes, in this book each question is followed by an answer. So you can save time in interview preparation.What is the best way of reading this book?You have to first do a slow reading of all the questions in this book. Once you go through them in the first pass, mark the questions that you could not answer by yourself. Then, in second pass go through only the difficult questions. After going through this book 2-3 times, you will be well prepared to face a technical interview for a Data Engineer position.What is the level of questions in this book?This book contains questions that are good for a beginner Data engineer to a senior Data engineer. The difficulty level of question varies in the book from Fresher to a Seasoned professional.What are the sample questions in this book?
  • What is the difference between ROLLBACK TO SAVEPOINT and RELEASE SAVEPOINT?
  • How will you see the current user logged into MySQL connection?
  • Can we create multiple tables in Hive for a data file?
  • Can we use Hive for Online Transaction Processing (OLTP) systems?
  • Can we use same name for a TABLE and VIEW in Hive?
  • How can we get a random number between 1 and 100 in MySQL?
  • How can you copy the structure of a table into another table without copying the data?
  • How can you find 10 employees with Odd number as Employee ID?
  • How does CONCAT function work in Hive?
  • How will you change the data type of a column in Hive?
  • How will you check if a file exists in HDFS?
  • How will you check if a table exists in MySQL?
  • How will you run Unix commands from Hive?
  • How will you search for a String in MySQL column?
  • How will you see the structure of a table in MySQL?
  • How will you select the storage level in Apache Spark?
  • How will you synchronize the changes made to a file in Distributed Cache in Hadoop?
  • If we set Replication factor 3 for a file, does it mean any computation will also take place 3 times?
  • Is it safe to use ROWID to locate a record in Oracle SQL queries?
  • What are different Persistence levels in Apache Spark?
  • What are the common Transformations in Apache Spark?
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Publication date: 03/19/2017
Kindle book details: Kindle Edition
Top 200 DevOps Engineer Interview Questions & Answers

Top 200 DevOps Engineer Interview Questions & Answers

https://www.amazon.com/DevOps-Engineer-Interview-Questions-A...
Top 200 DevOps Engineer Interview QuestionsDevOps is one of the most popular technology trends. There is a growing demand for DevOps Engineer job in technology companies. This book contains technical interview questions that an interviewer asks for DevOps Engineer position. Each question is accompanied with an answer so that you can prepare for job interview in short time. The book contains questions on DevOps, Docker, Unix and Cloud Computing. It is a combination of our four other books.We have compiled this list after attending dozens of technical interviews in top-notch companies like- Airbnb, Netflix, Amazon etc.Often, these questions and concepts are used in our daily work. But these are most helpful when an Interviewer is trying to test your deep knowledge of DevOps topics like- Jenkins, Docker, Unix, Cloud Computing etc.What are the DevOps topics covered in this book?We cover a wide variety of DevOps topics in this book. Some of the topics are Docker, AWS OpsWorks Stacks, CloudFormation, Ansible, Jenkins, Nagios, Kubernetes, Docker, Unix, Cloud Computing etc.How will this book help me?By reading this book, you do not have to spend time searching the Internet for DevOps interview questions. We have already compiled the list of the most popular and the latest DevOps Interview questions. Are there answers in this book?Yes, in this book each question is followed by an answer. So you can save time in interview preparation.What is the best way of reading this book?You have to first do a slow reading of all the questions in this book. Once you go through them in the first pass, mark the questions that you could not answer by yourself. Then, in second pass go through only the difficult questions. After going through this book 2-3 times, you will be well prepared to face a technical interview for a DevOps Engineer position.What is the level of questions in this book?This book contains questions that are good for a beginner DevOps engineer to a senior DevOps engineer. The difficulty level of question varies in the book from Fresher to a Seasoned professional.What are the sample questions in this book?
  • What are the popular DevOps tools that you use?
  • What are the main features of AWS OpsWorks Stacks?
  • How does CloudFormation work in AWS?
  • What is CICD in DevOps?
  • What are the benefits of Continuous Integration (CI)?
  • What is the architecture of Chef?
  • What are the main use cases of Ansible?
  • What is Docker Hub?
  • What is Multi-factor authentication?
  • What is State Stalking in Nagios?
  • What is the architecture of Puppet?
  • What is the use of Kubernetes?
  • What is the architecture of Kubernetes?
  • What is the role of open source development in the popularity of Docker?
  • What is the difference between Docker commands: up, run and start?
  • What are the features of Docker Swarm?
  • What is a Docker Image?
  • Why do we use Docker Machine?
  • How will you create a Container in Docker?
  • Do you think Docker is Application-centric or Machine-centric?
  • Can we lose our data when a Docker Container exits?
  • What are the objects created by Docker Cloud  in Amazon Web Services (AWS) EC2?
  • How will you take backup of Docker container volumes in AWS S3?
  • What is a Passive check in Nagios?
  • What are the common use cases of Docker?
Is there a video course available for this book?We have made a video course based on AWS Interview Preparation book on Udemy. It is very well appreciated by professionals.https://www.udemy.com/course/1127286http://www.knowledgepowerhouse.com
Publication date: 03/19/2017
Kindle book details: Kindle Edition
Top 50 Information Security Engineer Interview Questions & Answers

Top 50 Information Security Engineer Interview Questions & Answers

https://www.amazon.com/Information-Security-Engineer-Intervi...
Introduction: Top 50 Information Security Engineer Interview Questions & AnswersInformation Security/ InfoSec is a highly popular trend in technology world. There is a growing demand for Information Security/ InfoSec Engineer jobs in IT Industry. This book contains Information Security Engineer interview questions that an interviewer asks. Each question is accompanied with an answer so that you can prepare for job interview in short time. We have compiled this list after attending dozens of technical interviews in top-notch companies like- Airbnb, Netflix, Amazon etc.Often, these questions and concepts are used in our daily work. But these are most helpful when an Interviewer is trying to test your deep knowledge of Information Security.How will this book help me?By reading this book, you do not have to spend time searching the Internet for Information Security / InfoSec engineer interview questions. We have already compiled the list of most popular and latest Information Security / InfoSec engineer Interview questions. Are there answers in this book?Yes, in this book each question is followed by an answer. So you can save time in interview preparation.What is the best way of reading this book?You have to first do a slow reading of all the questions in this book. Once you go through them in the first pass try to go through the difficult questions. After going through this book 2-3 times, you will be well prepared to face Information Security / InfoSec engineer level interview in IT.What is the level of questions in this book?This book contains questions that are good for Software Engineer, Senior Software Engineer and Principal Engineer level for Information Security. What are the sample questions in this book?
  • What are the differences between Symmetric and Asymmetric encryption?
  • What is Cross Site Scripting (XSS)?
  • What is a Salted Hash?
  • What is Key Stretching?
  • What is the difference between Black Hat and White Hat hacker?
  • What is SQL Injection?
  • How will you make an application secure against SQL Injection attack?
  • What is Denial of Service (DOS) attack?
  • What is Backscatter in Denial of Service attack?
  • Why it is recommended to use SSH to connect to a server from a Windows computer?
  • What is the use of SSL?
  • What is Billion Laughs?
  • Why SSL is not sufficient for encryption?
  • Is it ok for a user to login as root for performing basic tasks on a system?
  • What is CIA triangle in security?
  • What is Data protection at rest?
  • What are the different ways to authenticate a user?
  • What is Data protection in transit?
  • What is the use of SSL Certificates on the Internet?
  • How can you find if a website is running on Apache Webserver or IIS server?
  • What is Exfiltration?
  • What is a Host Intrusion Detection System (HIDS)?
  • What is a Network Intrusion Detection System (NIDS)?
  • What is the difference between vulnerability and exploit in Software Security?
  • What is the use of Firewall?
  • What is the difference between Information security and Information assurance?
  • Do you think Open Source Software is more vulnerable to security attacks?
  • What is the role of Three-way handshake in creating a DoS attack?
  • What is more dangerous: internal threats or external threats to a software system?
  • How do you use Traceroute to determine breakdown in communication?
  • What is the difference between Diffie-Hellman and RSA protocol?
  • How will you protect system against a brute force attack?
http://www.knowledgepowerhouse.com
Publication date: 03/11/2017
Kindle book details: Kindle Edition, 38 pages
Top 200 Operations Engineer Interview Questions & Answers

Top 200 Operations Engineer Interview Questions & Answers

https://www.amazon.com/Operations-Engineer-Interview-Questio...
Top 200 Operations Engineer Interview QuestionsOperations Engineer is an important technology job. There is a growing demand for Operations Engineer job with knowledge of Unix, Python, Maven, GIT etc in technology companies. This book contains popular technical interview questions that an interviewer asks for Operations Engineer position. The questions cover Python, Unix, GIT and Maven areas. It is a combination of our four other books.We have compiled this list after attending dozens of technical interviews in top-notch companies like- Airbnb, Netflix, Amazon etc.Often, these questions and concepts are used in our daily work. But these are most helpful when an Interviewer is trying to test your deep knowledge of Operations topics like- Python, Unix, Maven, GIT etc.What are the Operations topics covered in this book?We cover a wide variety of Operations topics in this book. Some of the topics are Unix, Python, Maven, GIT etc.How will this book help me?By reading this book, you do not have to spend time searching the Internet for Operations Engineer interview questions. We have already compiled the list of the most popular and the latest Operations Engineer Interview questions. Are there answers in this book?Yes, in this book each question is followed by an answer. So you can save time in interview preparation.What is the best way of reading this book?You have to first do a slow reading of all the questions in this book. Once you go through them in the first pass, mark the questions that you could not answer by yourself. Then, in second pass go through only the difficult questions. After going through this book 2-3 times, you will be well prepared to face a technical interview for a Operations Engineer position.What is the level of questions in this book?This book contains questions that are good for a beginner Operations engineer to a senior Operations engineer. The difficulty level of question varies in the book from Fresher to a Seasoned professional.What are the sample questions in this book?
  • Can anyone upload JARS or artifacts to Central Repository?
  • Can we create our own directory structure for a project in Maven?
  • GIT is written in which language?
  • How are arguments passed in a Python method? By value or by reference?
  • How can we create a dictionary with ordered set of keys in Python?
  • How can we do Functional programming in Python?
  • How can we exclude a dependency in Maven?
  • How can we get the debug or error messages from the execution of Maven?
  • How can we know if a branch is already merged into master in GIT?
  • How can we resolve a merge conflict in GIT?
  • How can we retrieve data from a MySQL database in a Python script?
  • How can we run a process in background in Unix? How can we kill a process running in background?
  • How can we see n most recent commits in GIT?
  • How can we see the configuration settings of GIT installation?
  • How can we skip the running of tests in Maven?
  • How can you redirect I/O in Unix?
  • How do you perform unit testing for Python code?
  • How do you profile a Python script?
  • How does alias work in Unix?
  • How does memory management work in Python?
  • How many heads can you create in a GIT repository?
  • How Maven searches for JAR corresponding to a dependency?
  • How will you add a new feature to the main branch?
  • How will you check if a remote host is still alive?
  • How will you check in Python, if a class is subclass of another class?
  • How will you check the information about a process in Unix?
http://www.knowledgepowerhouse.com
Publication date: 03/19/2017
Kindle book details: Kindle Edition, 38 pages
Top 1000 Java Interview Questions: Includes Spring, Hibernate, Microservices, GIT, Maven, JSP, AWS, Cloud Computing

Top 1000 Java Interview Questions: Includes Spring, Hibernate, Microservices, GIT, Maven, JSP, AWS, Cloud Computing

https://www.amazon.com/1000-Java-Interview-Questions-Microse...
Introduction: Top 1000 Java Interview QuestionsThis is the ultimate book for interview preparation for Java jobs. It has questions on Java, Collections, Multi-threading, Spring, Hibernate, JSP, Design patterns, GIT, Maven, AWS and Cloud computing. It is a digest of questions from multiple sources. It covers almost all the technical areas of an interview for Java engineer position. Often, these questions and concepts are used in our daily programming work. But these are most helpful when an Interviewer is trying to test your deep knowledge of Java.This books is your main book for Java based technical jobs.< br/>How will this book help me?By reading this book, you do not have to spend time searching the Internet for Java interview questions. We have already compiled the list of the most popular and the latest Java Interview questions. Are there answers in this book?Yes, in this book each question is followed by an answer. So you can save time in interview preparation.What is the best way of reading this book?You have to first do a slow reading of all the questions in this book. Once you go through them in the first pass, mark the questions that you could not answer by yourself. Then, in second pass go through only the difficult questions. After going through this book 2-3 times, you will be well prepared to face a technical interview for Software Engineer position in Java programming.What is the level of questions in this book?This book contains questions that are good for a Associate Software engineer to a Principal Software engineer. The difficulty level of question varies in the book from a Fresher to an Experienced professional.What are the main areas covered in this book?This books covers following areas:
  • Core Java
  • Multithreading
  • Collections
  • OOPS
  • Java 8
  • JSP
  • Spring
  • Hibernate
  • Maven
  • GIT
  • AWS
  • Cloud Computing
http://www.knowledgepowerhouse.com
Publication date: 01/16/2017
Kindle book details: Kindle Edition, 847 pages
Top 50 Python Interview Questions and Answers

Top 50 Python Interview Questions and Answers

https://www.amazon.com/Top-Python-Interview-Questions-Answer...
Introduction: Python Interview QuestionsPython is a very popular language for Data Science and Machine learning projects. A lot of companies are looking for a software developers proficient in Python language.This book contains basic to expert level Python interview questions that an interviewer asks. Each question is accompanied with an answer so that you can prepare for job interview in short time. We have compiled this list after attending dozens of technical interviews in top-notch companies like- Google, Facebook, Netflix, Amazon etc.Often, these questions and concepts are used in our daily programming work. But these are most helpful when an Interviewer is trying to test your deep knowledge of Python.How will this book help me?By reading this book, you do not have to spend time searching the Internet for Python interview questions. We have already compiled the list of the most popular and the latest Python Interview questions. Are there answers in this book?Yes, in this book each question is followed by an answer. So you can save time in interview preparation.What is the best way of reading this book?You have to first do a slow reading of all the questions in this book. Once you go through them in the first pass, mark the questions that you could not answer by yourself. Then, in second pass go through only the difficult questions. After going through this book 2-3 times, you will be well prepared to face a technical interview for Software Engineer position in Python area.What is the level of questions in this book?This book contains questions that are good for a Associate Software engineer to a Senior Software engineer. The difficulty level of question varies in the book from Fresher to a Seasoned professional.What are the sample questions in this book?
  • How will you improve the performance of a program in Python?
  • What are the benefits of using Python?
  • How will you specify source code encoding in a Python source file?
  • What is the use of PEP 8 in Python?
  • What is Pickling in Python?
  • How does memory management work in Python?
  • How will you perform Static Analysis on a Python Script?
  • What is the difference between a Tuple and List in Python?
  • What is a Python Decorator?
  • How are arguments passed in a Python method? By value or by reference?
  • What is the difference between List and Dictionary data types in Python?
  • What are the different built-in data types available in Python?
  • What is a Namespace in Python?
  • How will you concatenate multiple strings together in Python?
  • What is the difference between xrange and range in Python?
  • What is lambda expression in Python?
  • How will you copy an object in Python?
  • What are the main benefits of using Python?
  • What is a metaclass in Python?
  • What is the use of frozenset in Python?
  • What is Python Flask?
  • What is None in Python?
  • What is the use of zip() function in Python?
  • What is the use of // operator in Python?
  • What is a Module in Python?
  • What is the difference between ‘is’ and ‘==’ in Python?
  • How will you share variables across modules in Python?
  • How can we do Functional programming in Python?
  • What is the improvement in enumerate() function of Python?
  • How will you execute a Python script in Unix?
  • What are the popular Python libraries used in Data analysis?
  • What is the output of following code in Python?
  • What is the output of following code in Python?
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Publication date: 01/06/2017
Kindle book details: Kindle Edition, 49 pages
Top 100 GIT Interview Questions & Answers

Top 100 GIT Interview Questions & Answers

https://www.amazon.com/Top-100-Interview-Questions-Answers-e...
Introduction: GIT Interview QuestionsGIT is a very popular version control tool in software community. Many fortune 500 organizations use GIT. This book contains basic to expert level GIT interview questions that an interviewer asks. Each question is accompanied with an answer so that you can prepare for job interview in short time. Often, these questions and concepts are used in our daily programming work. But these are most helpful when an Interviewer is trying to test your deep knowledge of GIT version control.How will this book help me?By reading this book, you do not have to spend time searching the Internet for GIT interview questions. We have already compiled the list of the most popular and the latest GIT Interview questions. Are there answers in this book?Yes, in this book each question is followed by an answer. So you can save time in interview preparation.What is the best way of reading this book?You have to first do a slow reading of all the questions in this book. Once you go through them in the first pass, mark the questions that you could not answer by yourself. Then, in second pass go through only the difficult questions. After going through this book 2-3 times, you will be well prepared to face a technical interview for Software Engineer position in GIT framework.What is the level of questions in this book?This book contains questions that are good for a Associate Software engineer to a Senior Software engineer. The difficulty level of question varies in the book from a Fresher to an Experienced professional.What are the sample questions in this book?
  • How can we know if a branch is already merged into master in GIT?
  • What is the purpose of git stash drop?
  • What is the HEAD in GIT?
  • What is the most popular branching strategy in GIT?
  • What is SubGit?
  • What is the use of git instaweb?
  • What are git hooks?
  • What is GIT?
  • What is a repository in GIT?
  • What are the main benefits of GIT?
  • What are the disadvantages of GIT?
  • What are the main differences between GIT and SVN?
  • How will you start GIT for your project?
  • What is git clone in GIT?
  • How will you create a repository in GIT?
  • What are the different ways to start work in GIT?
  • GIT is written in which language?
  • What does ‘git pull’ command in GIT do internally?
  • What does ‘git push’ command in GIT do internally?
  • What is git stash?
  • What is the meaning of ‘stage’ in GIT?
  • What is the purpose of git config command?
  • How can we see the configuration settings of GIT installation?
  • How will you write a message with commit command in GIT?
  • What is stored inside a commit object in GIT?
  • How many heads can you create in a GIT repository?
  • Why do we create branches in GIT?
  • What are the different kinds of branches that can be created in GIT?
  • How will you create a new branch in GIT?
  • How will you add a new feature to the main branch?
  • What is a pull request in GIT?
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Publication date: 08/28/2016
Kindle book details: Kindle Edition, 74 pages
Top 50 AWS Associate Architect Interview Questions & Answers

Top 50 AWS Associate Architect Interview Questions & Answers

https://www.amazon.com/Associate-Architect-Interview-Questio...
Introduction: Top 50 AWS Associate Architect Interview Questions & AnswersAmazon Web Services is the most popular Cloud Computing platform. There is growing demand for Associate Architect jobs in this field. This book contains AWS Associate Architect level interview questions that an interviewer asks. Each question is accompanied with an answer so that you can prepare for job interview in short time. We have compiled this list after attending dozens of technical interviews in top-notch companies like- Airbnb, Netflix, Amazon etc.Often, these questions and concepts are used in our daily work. But these are most helpful when an Interviewer is trying to test your deep knowledge of Amazon Web Services.How will this book help me?By reading this book, you do not have to spend time searching the Internet for Amazon Web Services Associate Architect interview questions. We have already compiled the list of most popular and latest Amazon Web Services Associate Architect Interview questions. Are there answers in this book?Yes, in this book each question is followed by an answer. So you can save time in interview preparation.What is the best way of reading this book?You have to first do a slow reading of all the questions in this book. Once you go through them in the first pass try to go through the difficult questions. After going through this book 2-3 times, you will be well prepared to face Amazon Web Services Associate Architect level interview in IT.What is the level of questions in this book?This book contains questions that are good for Software Engineer, Senior Software Engineer, Principal Engineer and Associate Architect level. What are the sample questions in this book?
  • What do you know about AWS Region?
  • What are the important components of IAM?
  • What are the important points about AWS IAM?
  • What are the important features of Amazon S3?
  • What is the scale of durability in Amazon S3?
  • What are the Consistency levels supported by Amazon S3?
  • What are the different tiers in Amazon S3 storage?
  • How will you upload a file greater than 100 megabytes in Amazon S3?
  • What happens to an Object when we delete it from Amazon S3?
  • What is the use of Amazon Glacier?
  • What are the use cases of Cross Region Replication Amazon S3?
  • Can we do Cross Region replication in Amazon S3 without enabling versioning on a bucket?
  • How do we get higher performance in our application by using Amazon CloudFront?
  • What is the mechanism behind Regional Edge Cache in Amazon CloudFront?
  • What are the benefits of Streaming content?
  • What is Lambda@Edge in AWS?
  • What are the different types of events triggered by Amazon CloudFront?
  • What is Geo Targeting in Amazon CloudFront?
  • What are the main features of Amazon CloudFront?
  • What are the security mechanisms available in Amazon S3?
  • What are the benefits of AWS Storage Gateway?
  • What are the main options available in Amazon CloudWatch?
  • What is a Serverless application in AWS?
  • What are the main use cases for AWS Lambda?
  • How does AWS Lambda handle failure during event processing?
  • What are the different routing policies available in Route 53?
  • What are the main benefits of using Amazon DynamoDB?
  • What are the different APIs available in Amazon DynamoDB?
  • When should be use Amazon DynamoDB vs. Amazon S3?
  • What is the use of Amazon ElastiCache?
  • What are the use cases for Amazon Kinesis Streams?
  • What is the difference between Amazon SQS and Amazon SNS?
http://www.knowledgepowerhouse.com
Publication date: 01/03/2017
Kindle book details: Kindle Edition, 74 pages
Top 50 Cloud Computing Interview Questions

Top 50 Cloud Computing Interview Questions

https://www.amazon.com/Top-Cloud-Computing-Interview-Questio...
Introduction: Cloud Computing Interview QuestionsCloud Computing is the latest trend in Software Architecture. This books covers the important questions on Cloud Computing architecture that may be asked in technical interview for Software professionals. Cloud Computing is a very important topic in technical interview. Many fortune 500 organizations use Cloud Computing. This book contains basic to expert level Cloud Computing interview questions that an interviewer asks. Each question is accompanied with an answer so that you can prepare for job interview in short time. Often, these questions and concepts are used in our daily programming work. But these are most helpful when an Interviewer is trying to test your deep knowledge of Cloud Computing concepts.How will this book help me?By reading this book, you do not have to spend time searching the Internet for Cloud Computing interview questions. We have already compiled the list of the most popular and the latest Cloud Computing Interview questions. Are there answers in this book?Yes, in this book each question is followed by an answer. So you can save time in interview preparation.What is the best way of reading this book?You have to first do a slow reading of all the questions in this book. Once you go through them in the first pass, mark the questions that you could not answer by yourself. Then, in second pass go through only the difficult questions. After going through this book 2-3 times, you will be well prepared to face a technical interview for Software Engineer position in Cloud Computing.What is the level of questions in this book?This book contains questions that are good for a Associate Software engineer to a Principal Software engineer. The difficulty level of question varies in the book from a Fresher to an Experienced professional.What are the sample questions in this book?
  • What is On-demand computing in Cloud Computing?
  • What are the different deployment models in Cloud computing?
  • What resources are provided by Infrastructure as a Service (IAAS) provider?
  • What is the benefit of Platform as a Service?
  • What are the main advantages of PaaS?
  • What is Auto-scaling in Cloud computing?
  • How will you optimize the Cloud Computing environment?
  • Do you think Regulations and Legal Compliance is an important aspect of Cloud Computing?
  • What are the different types of Datacenters in Cloud computing?
  • What are the different deployment models in Cloud computing?
  • Explain the various modes of Software as a Service (SaaS) cloud environment?
  • What are the important things to care about in Security in a cloud environment?
  • What are the different areas of Security Management in cloud?
  • How a traditional datacenter is different from a cloud environment?
  • What are the main cost factors of cloud based data center?
  • How can we measure the cloud-based services?
  • How will you optimize availability of your application in a Cloud environment?
  • What are the main components of a VPN?
  • What are the large-scale databases available in Cloud?
  • What are the options for open source NoSQL database in a Cloud environment?
  • What are the important points to consider before selecting cloud computing?
  • What is a System integrator in Cloud computing?
  • What is virtualization in cloud computing?
  • What is Eucalyptus in a cloud environment?
  • What are the main components of Eucalyptus cloud architecture?
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Publication date: 11/26/2016
Kindle book details: Kindle Edition, 50 pages
Top 50 Node.js Interview Questions and Answers

Top 50 Node.js Interview Questions and Answers

https://www.amazon.com/Top-Node-js-Interview-Questions-Answe...
Introduction: Top 50 Node.js Interview QuestionsNode.js is one of the most popular Javascript engine in technology world. There is a growing demand for Software Engineer jobs in Node.js. This book contains basic to expert level Node.js interview questions that an interviewer asks. Each question is accompanied with an answer so that you can prepare for job interview in short time. We have compiled this list after attending dozens of technical interviews in top-notch companies like- Airbnb, Netflix, Uber etc.Often, these questions and concepts are used in our daily programming work. But these are most helpful when an Interviewer is trying to test your deep knowledge of Node.js.How will this book help me?By reading this book, you do not have to spend time searching the Internet for Node.js interview questions. We have already compiled the list of the most popular and the latest Node.js Interview questions. Are there answers in this book?Yes, in this book each question is followed by an answer. So you can save time in interview preparation.What is the best way of reading this book?You have to first do a slow reading of all the questions in this book. Once you go through them in the first pass, mark the questions that you could not answer by yourself. Then, in second pass go through only the difficult questions. After going through this book 2-3 times, you will be well prepared to face a technical interview for Software Engineer, Senior Software Engineer and Principal Engineer positions in Node.js.What is the level of questions in this book?This book contains questions that are good for a Associate Software engineer to a Senior Software engineer. The difficulty level of question varies in the book from a Fresher to an Experienced professional.What are the sample questions in this book?
  • What are the reasons of popularity of Node.js?
  • What is Event Driven Programming followed in Node.js?
  • What are the main advantages of using Node.js?
  • What are the types of applications that can be built by using Node.js?
  • Why Node.js is based on single threaded architecture?
  • What are the different types of APIs available in Node.js?
  • Can we run Node.js on Windows environment?
  • What is Event Loop in Node.js?
  • What are the disadvantages of Node.js?
  • How can we handle blocking I/O operations in Node.js?
  • What is the difference between Asynchronous and Non-blocking?
  • What is the difference between Node.js and Ajax?
  • What is the difference between Node.js and AngularJS?
  • How will you import external libraries in Node.js?
  • What happens if we call require() method to load same module multiple times in Node.js?
  • Why Node.js application is scalable?
  • What is the purpose of module.exports in Node.js?
  • What is Tracing in Node.js?
  • How will you debug an application in Node.js?
  • What is a Child Process in Node.js?
  • What is a Cluster in Node.js?
  • What is closure in JavaScript?
  • What is a Buffer in Node.js?
  • How will you convert a Buffer to JSON in Node.js?
  • Why do we use __filename in Node.js?
  • What is the use of Timers is Node.js?
  • What are the important APIs in Timers module in Node.js?
  • What is EventEmitter in Node.js?
  • What is the use of net.Socket in Node.js?
  • What are the important events of net.Socket in Node.js?
  • Can we build a REST service in Node.js?
  • What is the use of DNS module in Node.js?
  • What are the important command line options in Node.js?
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Publication date: 03/03/2017
Kindle book details: Kindle Edition, 33 pages
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