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IT Networking

Practice IT Networking Questions and Answers

Question Listing

Which computer architecture uses a single bus to connect the CPU, memory, and peripherals?
What is the primary purpose of performing backups in an operating system?
Which type of backup includes all selected files and marks them as backed up?
What is the advantage of using incremental backups over full backups?
In the context of backups, what is a retention policy?
Which backup strategy involves rotating backup media to ensure data redundancy and off-site storage?
What is the purpose of a recovery point objective (RPO) in backup planning?
Which type of backup includes all files that have changed since the last full backup?
Which backup storage method involves backing up data to a remote data center over a network?
What is the purpose of a backup verification process?
Which recovery strategy involves reinstalling the operating system and applications, followed by restoring user data from backups?
What is the primary function of the Relational Database Management System (RDBMS) architecture?
Which component of RDBMS is responsible for processing SQL queries and managing database interactions?
What is the role of the Transaction Manager in RDBMS architecture?
Which part of the RDBMS architecture is responsible for maintaining a physical copy of the database on disk?
In RDBMS, what is the purpose of the Data Dictionary?
What does the Query Optimizer do in RDBMS architecture?
Which part of RDBMS handles concurrency control to ensure multiple transactions operate concurrently without conflicts?
Which component of RDBMS allows users and applications to interact with the database through SQL queries?
What is the purpose of the Index Manager in RDBMS architecture?
In RDBMS architecture, what is the role of the Buffer Manager?
What is the scope of a variable in programming?
Which type of variable has the widest scope and can be accessed from any part of the program?
In which part of a function are local variables typically declared?
What happens to the memory allocated to a local variable when the function exits?
In object-oriented programming, what is the scope of an instance variable?
What is the scope of a variable declared as "static" inside a function?
What is the scope of a variable declared inside a block of code (e.g., within curly braces)?
In which type of scope do variables declared in a function have priority over variables declared in the surrounding program?
Which programming concept allows a variable name to refer to different entities based on its location in code?
What is the scope of a parameter in a function?
What will be the output of the following code snippet? int num = 10; int *ptr = # printf("%d", *ptr);
In SQL, which keyword is used to retrieve data from a database?
Which clause is used to filter rows in the result set based on a specific condition in SQL?
What is the purpose of the "ORDER BY" clause in an SQL query?
Which SQL keyword is used to add new rows to a table?
What is the purpose of the "GROUP BY" clause in an SQL query?
Which SQL clause is used to specify conditions for multiple tables when joining them together?
Which SQL keyword is used to modify existing rows in a table?
What is the purpose of the "HAVING" clause in an SQL query?

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