Explanation

• Current Number (C/No.) refers to the serial number assigned to the current file or correspondence.
• It is used to identify and track the movement of a file in an office.
• Each incoming or outgoing correspondence is given a unique current number for easy reference.
• The C/No. helps officials retrieve and monitor files efficiently.

Last verified on 08-07-2026

Explanation

• Two-Factor Authentication (2FA) is a security method that requires a password plus a second verification before granting access.
• It adds an extra layer of protection beyond a password alone.
• The second verification may be an OTP, fingerprint, face recognition, or an authentication app.
• Even if a password is stolen, 2FA helps prevent unauthorized access.
• It is widely used for email, banking, social media, and online accounts.

Last verified on 08-07-2026

Explanation

• The most secure method of password management is using a password manager with unique, strong passwords for every account.
• A password manager securely stores and generates complex passwords.
• Using a different password for each account reduces the risk if one account is compromised.
• Strong passwords should be long, random, and difficult to guess.

Last verified on 08-07-2026

Explanation

• Agile is a methodology used in software development and project management.
• It focuses on flexibility, teamwork, continuous improvement, and quick delivery of products.
• Work is completed in small iterations called Sprints.
• Agile encourages regular customer feedback and adaptation to changing requirements.

Last verified on 08-07-2026

Explanation

• FR in government file management stands for Further Reference.
• It indicates that the file should be kept for future consultation or reference.
• Such files may be needed again for administrative, legal, or policy purposes.
• The notation helps officials classify and preserve important records.

Last verified on 08-07-2026

Explanation

• PDF/A is a special version of PDF designed for long-term archival preservation of electronic documents.
• It ensures that documents remain readable and unchanged for many years.
• PDF/A embeds all required fonts and does not rely on external content.
• It is widely used by governments, libraries, courts, and archives.

Last verified on 08-07-2026

Explanation

• Demi-Official (D.O.) letters are written in the first person with a personal tone.
• They are used between government officers to discuss official matters in a friendly and informal manner.
• A D.O. letter helps speed up action on important official issues.

Last verified on 08-07-2026

Explanation

• Phishing is a cybercrime where fake emails, messages, or websites are used to steal sensitive information like passwords or bank details.
• It tricks users into believing the message is from a trusted source.
• Criminals often use social media, email, or SMS for phishing attacks.
• The main goal is identity theft or financial fraud.

Last verified on 21-06-2026

Explanation

Python is widely considered the most common and popular language for Artificial Intelligence 

Due to its simplicity, readability, and a vast ecosystem of libraries and frameworks specifically designed for AI and machine learning tasks. 

Explanation

• Bus, Star, and Ring are all types of network topologies.
• A network topology is the physical or logical arrangement of devices in a network.

Additional information:

• Bus Topology – All devices share a single communication cable.
• Star Topology – All devices connect to a central hub or switch.
• Ring Topology – Devices are connected in a circular loop.
• Mesh Topology – Every device connects to multiple or all other devices.
• Tree Topology – Combination of star and bus topologies.

Last verified on 07-07-2026