Health Safety and Security at Workplace

Antivirus software scans for, detects, blocks, quarantines, and sometimes removes viruses and other malware. It helps reduce digital security risks, although updates and safe user behaviour are also important. It is not a physical cleaning tool, file-renaming tool, or device for replacing keyboard keys.

Discarded electronic equipment may contain hazardous substances and also valuable recoverable materials. Safe collection, data removal, authorised dismantling, and recycling reduce the risk of soil, water, and air contamination. Open burning and ordinary dumping can release harmful pollutants, while destroying metals wastes useful resources. Therefore, A is correct.

The student should avoid retaliation, preserve messages and screenshots, note relevant usernames or dates, and tell a parent, teacher, counsellor, or another trusted adult. Evidence supports appropriate reporting and assistance. Blocking or reporting the account may also be suitable after evidence is saved. Deleting evidence or sending threats can worsen the situation.

A strong password should be sufficiently long, unique, difficult to predict, and kept confidential. A passphrase or a suitable mixture of character types can improve resistance to guessing, but no password should be shared casually. Names and very short passwords are predictable. Multi-factor authentication adds protection where available. Therefore, A is correct.

Information such as an address, phone number, password, identity details, or bank information may be used for fraud, identity theft, unwanted contact, or account compromise if exposed to an untrustworthy person. Online posts may also be copied or forwarded. People should share only necessary information through trusted channels and protect sensitive credentials. Hence, A is correct.

Before clicking a link or opening an attachment, check whether the sender is genuine, the address is correct, and the request is expected. Be cautious about urgency, unusual wording, mismatched domains, or requests for passwords and money. Font size, screen brightness, and receipt time do not establish safety. Suspicious messages should be reported or deleted safely.

Confidential records, customer details, employee information, and passwords should be protected from unauthorised access. Sharing should follow the need-to-know principle: verify the person’s authority and provide only what is necessary for the assigned work. Public posting or sending information without verification can cause privacy breaches and harm.

The internet connects users to online information, communication services, learning resources, and many other facilities. Searching for reliable information and communicating through email or messaging are valid uses. Shutting down a device is a local computer operation, while folding paper and repairing a chair are physical activities unrelated to internet use. Hence, option A is correct.

Phishing messages often use urgency, fear, or a false request from an organisation to trick people into revealing passwords or other sensitive information. A message demanding that a password be shared immediately is therefore suspicious. The other examples describe ordinary, expected communication, though every attachment and sender should still be checked carefully before opening.

A password is a secret used to prove a user’s identity. If it is shared, another person may enter the account, read private information, change settings, send messages, or misuse the account. Sharing cannot make a computer faster, enlarge a screen, or automatically print a file. Strong passwords should be kept confidential.

A suspicious link may lead to a fake login page, download harmful software, or exploit a security weakness. If a user enters details there, personal or account information may be stolen. The link cannot normally change a fan, chair, or paper. Users should verify the sender and destination and avoid entering credentials on an unexpected page.

Trusted, updated antivirus software can scan files and programs and warn about or remove many malicious threats. It is one part of protection; safe browsing, updates, backups, and careful handling of attachments are also important. Opening every file, sharing passwords, and clicking unknown links increase risk rather than preventing viruses. Therefore, A is correct.

Cyber security protects computers, networks, accounts, and digital information from unauthorised access, damage, theft, and disruption. Passwords, updates, safe browsing, access controls, and backups are examples of protective measures. Folding paper, increasing music volume, and decorating a table do not protect digital systems. Thus, protecting information and systems is the correct purpose.

A public computer may be used by many people after you. Logging out closes your session and reduces the chance that another user will read private information, send messages, or change account settings. Saving a password, leaving the account open, or opening unknown files creates security or malware risks. Therefore, logging out is the safe action.

Online information may be accurate, outdated, biased, or false. Checking the author, date, evidence, and agreement with reliable sources helps a student judge its quality before using or sharing it. Believing everything, ignoring the source, or spreading rumours can pass on misinformation. Therefore, checking information against a reliable source is responsible digital behaviour.

Using the operating system’s Shut Down command closes programs and gives the computer a chance to save information and finish tasks safely. Pulling the power cable can cause unsaved work to be lost and may risk file-system damage. Hitting the screen or throwing the keyboard is unsafe and does not shut down the system properly. Thus, A is correct.

Responsible use means using digital devices safely, legally, respectfully, and according to applicable rules. It includes protecting passwords, respecting privacy and copyright, checking information, and communicating politely. Stealing information, spreading rumours, and sharing passwords can harm people and reduce security. Therefore, safe and rule-based use is the correct description.

Two-factor authentication requires a password plus a second proof of identity, such as a one-time code, authenticator-app approval, security key, or biometric check. If a password is stolen, the second factor can still block unauthorised access. It does not remove every password requirement, increase internet speed, or print files. Its main benefit is stronger account security.

Shut down is the operating-system command and process used to close programs and turn off a computer safely. Copy duplicates data, Rename changes a file’s name, and Paste inserts copied or cut content in a new location. None of those actions turns off the computer. Therefore, the correct term for proper computer power-off is Shut down.

A strong password should use a suitable length and a mixture of uppercase and lowercase letters, numbers, and special symbols. This increases the number of possible combinations and makes guessing or automated attacks more difficult. A name, birth date, or repeated digit is predictable personal information or a simple pattern, so those choices provide much weaker protection.