List of top Electronics and hardware Questions asked in CBSE Class Twelve Board Exam

In _________ data transmission mode, messages can be sent in both directions, but only in one direction at a time.
A company that is in the first stage of operations is called _________ .
The shortcut key in a spreadsheet for making the text bold is _________ .
_________ is a state of feeling upset, annoyed and hopeless.
Explain the purpose of the following protocols:
(a) TCP/IP
(b) UDP
What are the user access control permissions for file and directory defined in Unix/Linux? Draw a table showing permission type and symbol.
Explain the structure of AD DS with diagram.
Write a note about encryption and group policy.
Describe the functions of the following:
(a) Packet Filtering Firewalls
(b) Stateful Inspection Firewalls
(c) Application-Level Gateways
Explain Bus Topology with diagram.
What is the difference between virus and malware? Briefly explain DoS attack, Phishing attack, and MITM attack.
What is PowerShell?
What is the purpose of File Transfer Protocol (FTP)?
What is file security and how is it achieved?
Write the differences between internal and external customer.
Write in brief about Reactive management.
What is Linux terminal?
What do you mean by Green Job? Mention its role in improving energy and use of raw materials.
Enlist the important qualities of an entrepreneur.
Why is active listening important in the workplace?
What is the difference between cell and cell address?
Differentiate between internal motivation and external motivation.
Find out the most common benefit of ITSM.
Which of the following is the investigation technique that helps discover the root cause of a problem?
Read the statements and choose the correct option:
(I) ITIL V2 focused on product, processes and people.
(II) ITIL V3 focused on product, processes, people and partner.