List of top Questions asked in CBSE CLASS XII

As President of the Social Service Club of your school, write a notice mentioning a volunteer opportunity for students of Classes IX - XII during the forthcoming summer vacation. Include necessary details about timing, location and duration of the volunteer programme. Put your notice in a box.
You are the Principal of Happy Montessori School, Kanpur. Your school has shown outstanding success in the board examination. Draft a formal invitation card inviting parents of Class XII and other PTA members to the prize-giving ceremony, celebrating the success of students for their academic and extracurricular achievements. Invent necessary details.
You are Shreya/Sanjay Rao. Your child is participating in a play to be enacted on the school annual day. You have received an invitation to attend the same. Draft a reply in not more than 50 words accepting the invitation.
You are Sonali/Shivam of 52, Main Street, Green City. Write a letter to the editor of a local daily expressing your views on the usage of increased screen time among children and its effects. You may use the following cues along with your own ideas to draft the letter.
  • What is meant by increased screen time ?
  • What are the negative effects on physical and mental health ?
  • What is the impact on academic performance and social skills ?
  • How can parents and educators help in effectively managing screen time ?
You are Sonali/Rahul from 46, G Street, Panipur. You read the given advertisement regarding the position of a graphic designer at Creative Studios. You decide to apply for the same. Write your application along with your biodata.
  • Job Role: Graphic Designer
  • Experience: min. 5 years
  • Design logos
  • Produce multimedia presentations
  • Develop layout for magazines and brochures
  • Skills: Adobe Photoshop, CorelDRAW, Adobe InDesign
Let \( \lambda_e \), \( \lambda_p \), and \( \lambda_d \) be the wavelengths associated with an electron, a proton, and a deuteron, all moving with the same speed. Then the correct relation between them is:
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.
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 purpose of the following protocols:
(a) TCP/IP
(b) UDP
Write a note about encryption and group policy.
Explain Bus Topology with diagram.
Describe the functions of the following:
(a) Packet Filtering Firewalls
(b) Stateful Inspection Firewalls
(c) Application-Level Gateways
What is the difference between virus and malware? Briefly explain DoS attack, Phishing attack, and MITM attack.
Explain the structure of AD DS with diagram.
Write in brief about Reactive management.
What is file security and how is it achieved?
What is PowerShell?
What is the purpose of File Transfer Protocol (FTP)?
Write the differences between internal and external customer.
Enlist the important qualities of an entrepreneur.
What do you mean by Green Job? Mention its role in improving energy and use of raw materials.
What is Linux terminal?