Health Safety and Security at Workplace

Two-step verification requires a password plus another proof, such as a code from an authenticator, a security key, or an approved device. If someone learns the password, the second step can still block unauthorized access. It does not delete the account, change the computer’s weight, or make a printer faster; its purpose is stronger account protection.

Spam is unsolicited digital communication sent in bulk or without a useful reason for the recipient. It may contain advertisements, scams, misleading claims, malware, or links asking for information. A genuine teacher’s instruction, a notebook, and an attendance record are not automatically spam. Users should avoid suspicious attachments and report or delete unwanted messages carefully.

Before posting or forwarding information, check whether it is accurate, necessary, appropriate, and safe to share. Consider whether it contains private details and whether the recipient is trustworthy. Speed, fear, or the presence of a password is not a valid test of responsible sharing. Online content can spread quickly and may be difficult to remove later.

HTTPS indicates that the connection between the browser and website is encrypted, and a lock indicator can help users inspect connection details. These signs protect the connection but do not prove that every website or offer is honest, so users must still check the domain and avoid suspicious requests. Colors, attractive wording, and free-gift promises are not security evidence.

Before starting a computer, check that the power source, power cable, monitor, and required peripherals are connected safely and correctly. This prevents avoidable startup problems and reduces the chance of unsafe handling. Deleting files, sharing a password, or tearing paper in a printer is unnecessary and potentially harmful, so none of those choices is a proper first check.

Muting the microphone while listening prevents background sounds such as traffic, typing, or conversations from disturbing the class. When the teacher invites a learner to answer or ask a question, the learner should unmute, speak clearly, and mute again afterward. Thus, muting is most useful when the learner is not speaking.

A clean, quiet, and suitable background helps classmates focus on the lesson and presents respectful online behavior. The camera should be used according to the teacher’s rules, with attention to privacy and appearance. Disturbing others, sending unknown links, or leaving an account open are unsafe or discourteous actions, not correct camera etiquette.

An attachment from an unknown sender may contain malware or a fake document designed to steal information. First check the sender, address, context, and message, and confirm through a trusted channel if necessary. Do not open it merely because it looks urgent, share a password, or forward it. If it remains suspicious, report or delete it.

Signing out ends the active session and helps prevent the next user from opening private messages, changing settings, or using the account. It is especially important on a shared or public computer. Signing out is normally done after work, not before opening the account or while typing a password. The chair-related option is unrelated.

A date of birth, name, phone number, or common word may be guessed from public information or tried by automated attacks. Such details should therefore be avoided. A stronger password is long, unique, and difficult to predict, with a suitable mix of characters when required. The other three choices generally improve password strength rather than weaken it.

Phishing is a social-engineering attack in which a message, website, or call pretends to be trustworthy. It tries to make a person reveal passwords, banking details, one-time codes, or other private information, or click a harmful link. It is not genuine teaching, screen cleaning, or ordinary legal communication. Suspicious urgency and unknown links are warning signs.

A screen lock requires authentication such as a password, PIN, pattern, or biometric check before the device can be used. This reduces the chance that another person will read files, messages, or account information when the owner is away. It does not enlarge pictures, increase sound, or print paper. A strong lock is one part of device security.

Safe online behavior means pausing before trusting a message, checking the sender and link, and avoiding unexpected requests for passwords or personal details. Sharing passwords, opening every link, or publicly exposing private information increases risk of fraud, malware, or identity misuse. Therefore, caution with suspicious messages is the responsible habit among the choices.

Checking the recipient address helps prevent sending private, incomplete, or sensitive information to the wrong person. Before selecting Send, verify the name, address, and copied recipients, especially when an autocomplete suggestion appears. This check does not change computer speed, color pictures, or turn off the keyboard; it protects communication accuracy and privacy.

Digital citizenship means using digital devices, networks, and online services in a responsible, safe, respectful, and informed way. It includes protecting privacy, following rules, communicating politely, checking information, and respecting others’ rights. It is not about living in a city, writing on paper, or purchasing a printer. Thus, responsible behavior online best expresses the meaning.

A photograph can reveal a person’s identity, location, or personal situation, so sharing it may affect privacy and dignity. Ask the person for permission and consider who needs to see it, particularly for children or sensitive situations. Sending it immediately, giving a false name, or hiding the source is not respectful or responsible digital behavior.

Digital messages can reach many people quickly, so forwarding an unverified claim can spread misinformation and create fear, confusion, or harmful decisions. Before forwarding, check the source, date, evidence, and whether trustworthy organizations support the claim. Incorrect forwarding does not repair a computer, renew a printer, or enlarge a classroom; its main consequence is information harm.

Correct posture keeps the back, neck, shoulders, and wrists in a more natural position and can reduce strain during computer work. The screen and chair should be positioned comfortably, and the user should change position and take breaks. Posture does not increase a password, delete files, or speed up a printer. Its main purpose is health and comfort.

Continuous screen viewing can contribute to eye tiredness, dryness, and discomfort. Short, regular breaks allow the eyes and body to relax; looking away into the distance and blinking normally can also help. Good screen habits do not involve sharing passwords, pushing equipment, or forwarding every message. Therefore, giving the eyes rest is the healthy choice.

A public computer may be used by many people, and its browser can retain saved passwords or an active login session. The next user could open the account, read private information, or misuse it. Therefore, passwords should not be saved there and the user should sign out. Option A is correct.

A strong password is usually long and difficult to guess, using a varied combination of letters, numbers, and symbols where allowed. A name is predictable, sharing a password removes secrecy, and reusing one password increases the damage from a single breach. Hence, option A describes the good practice.

Device and software updates commonly repair known security weaknesses, improve reliability, and may add useful features or compatibility. Delaying them can leave the device exposed to threats that an available patch could address. Updates do not change a chair, count paper, or hide sound, so option A is correct.

Unknown files or attachments may contain malware that runs when opened. Avoiding them, checking the sender, using updated security software, and scanning files reduces the chance of infection. Opening every attachment increases risk, while sharing passwords and stopping updates weaken security. Therefore, option A is the correct habit.

A backup is a separate copy of important data. If the original is deleted accidentally, damaged by hardware failure, corrupted by malware, or made unavailable, the copy can help restore it. Backup is not intended to change computer weight or mouse speed, so recovering lost information makes option A correct.

A digital receipt or transaction record allows the user to check whether the payment succeeded and whether the amount, date, reference number, and recipient are correct. It can also support a complaint if a problem occurs. It does not shut down a computer or change equipment, so option A is correct.