London Stock Exchange Group Application Support Engineer Interview Questions and Answers

Q1. Linux Command of how to recycle Jvm
Ans. 
To recycle JVM in Linux, use the kill command with the process ID of the JVM.
• Find the process ID of the JVM using the 'ps' command

• Use the 'kill' command with the process ID to stop the JVM

• Start the JVM again using the appropriate command
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Q2. Sql Command and Weblogic
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Q1. What is sql and it’s subtype
Ans. 
SQL is a programming language used for managing and manipulating relational databases.
• SQL stands for Structured Query Language

• It is used to communicate with databases to retrieve, insert, update, and delete data

• Some subtypes of SQL include MySQL, PostgreSQL, Oracle SQL, and Microsoft SQL Server
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Q2. What is sed command and find
Ans. 
sed command is a stream editor for filtering and transforming text, while find command is used to search for files in a directory hierarchy.
• sed command is used to perform text transformations on an input stream or file

• find command is used to search for files in a directory hierarchy based on various criteria

• sed command can be used to replace text, delete lines, or perform other text manipulations

• find command can search...read more
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Q3. What is different between PK and FK
Ans. 
PK is Primary Key which uniquely identifies a record in a table, while FK is Foreign Key which establishes a relationship between two tables.
• PK ensures uniqueness of records in a table

• FK establishes a relationship between tables

• PK is used to enforce entity integrity, while FK is used to enforce referential integrity
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Q4. What is she’ll scraptiing
Ans. 
Shell scraping is the process of extracting data from websites using automated tools or scripts.
• Shell scraping involves writing scripts to automate the process of extracting data from websites

• Tools like BeautifulSoup in Python or Scrapy can be used for shell scraping

• Shell scraping is commonly used for web scraping and data mining purposes
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Q5. What is uptime command in Linux
Ans. 
The uptime command in Linux displays the current time, how long the system has been running, and the number of users currently logged in.
• Displays the current time

• Shows how long the system has been running

• Indicates the number of users currently logged in
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Q6. Why are switching the job
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Q1. ….aaaaddddddhhjjjghhh
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Maths general knowledge

Q1. Operating system,network layer,internet surfing
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Q1. Technical aspects, knowledge on erp,database
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Q1. Salary discussion
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Aptitude questions was high level

Had 2 coding questions, and in 2 programming language

Q1. Where do you see yourself in next 5 years
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Q1. To write a code part using the programming language which is familiar
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Q1. Basics of SQL and pl sql
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Q2. About project tht you worked
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Q1. Java ,SQL,linix question
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Q1. Oops concepts, project explanation
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Not to hard, Not to easy

Q1. Question on DBMS,Networking and past projects
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Q1. Just basic stuff about relocation,salary checks
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ITIL process and monitoring jobs and reporting jobs

Q1. ITIL process and shell scripting
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