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CMA Foundation · Fundamentals of Business Laws and Business Communication

Internet-based Business Communication: formula sheet

Full chapter guide

Key formulas

Parts of an email
Header (From, To, Cc, Bcc, Date, Subject) + Body (greeting, message, closing) + Signature + Attachments
Know what each part does. Questions often ask which part states the purpose in brief: the subject line.
Cc vs Bcc
Cc = carbon copy, visible to all recipients; Bcc = blind carbon copy, hidden from other recipients
Bcc protects privacy when mailing a large group.
Core advantages of email
Speed + Low cost + Written record + Attachments + Many receivers at once
Use this list to judge which option is a true advantage.
Core limitations of email
Needs internet and device + Spam and viruses + Misinterpretation + Information overload + Security and privacy risk
Any option stating that email needs no technology or is fully secure is wrong.
Netiquette
Netiquette = network (internet) etiquette = rules of polite and responsible online behaviour
Applies to email, chat, forums, video calls and social media.
Parts of a business email
Subject line + Salutation + Body + Closing + Signature (+ attachment, if any)
Know this order; MCQs often ask which element is missing or wrong.
CC vs BCC
CC = copy visible to all recipients; BCC = blind copy, hidden from other recipients
Use BCC to protect addresses in bulk mails.
Reply All rule
Reply All only if every recipient needs your reply
Otherwise reply to the sender alone.
Subject line rule
Subject line = short, specific, matches the purpose
Never leave it blank or vague like "Hi" or "Urgent!!!".
Before-send check
Proofread + check recipients + check attachment
A quick final check avoids most email errors.
Video conferencing
Live two-way audio + video between different locations
Closest to a face-to-face meeting. Key idea: seeing and hearing each other in real time.
Web conferencing
Online meeting through a browser or app + sharing of screens, files and slides
Key idea: content sharing and collaboration. Video is optional.
Webinar
Web-based seminar: few presenters, large audience, limited interaction
Used for training, product launches and briefings. Interaction is mainly chat, polls and Q&A.
Main benefits
Saves travel cost and time; quick decisions; wide reach; recording possible
Learn these four as a set.
Main drawbacks
Needs internet and equipment; technical failure; weaker personal touch; security risk
Learn these four as a set.
Audience rule for networks
Internet = open to all; Intranet = employees only; Extranet = employees + authorised outsiders
This is the most tested distinction. Both intranet and extranet need login and are not open to the public.
Tool-to-purpose match
Social media = reach and branding; Blog = regular informal posts; Chat = instant coordination
Use this to pick the right option when a question describes a situation.
General pros and cons
Pros: speed, low cost, wide reach, feedback. Cons: security risk, misuse, information overload, weak control
Questions ask for an advantage or a limitation, so know both lists.
Phishing
Phishing = fake message + trusted-looking sender + request for sensitive details
Think of it as fishing for passwords, OTPs and card details.
Malware types
Virus, worm, trojan, ransomware, spyware
Ransomware locks data and demands payment. Spyware secretly collects information. A trojan looks useful but is harmful.
Two-factor authentication
Password (what you know) + OTP or device (what you have)
It protects an account even if the password is stolen.
Encryption
Readable data → coded data → readable again only with the key
It protects data from being read if intercepted.
Core precautions
Strong passwords, updates, antivirus, firewall, backups, verification, training
Learn these as the standard checklist for any 'precautions' question.

Quick revision

  • Internet-based communication means exchanging business messages through online tools such as email, video calls and social media.
  • Email is written, fast and low cost, and it leaves a record you can search later.
  • A clear subject line, a polite greeting and a brief, focused body are basic good email habits.
  • Reply All should be used only when everyone on the thread needs your reply.
  • Netiquette means accepted good manners and conduct when communicating online.
  • Writing in all capital letters reads as shouting and is poor netiquette.
  • Check the recipient, attachment and tone before you press send.
  • Video conferencing allows live face-to-face discussion between people in different places and saves travel.
  • Mute your microphone when not speaking and be ready on time for online meetings.
  • Social media suits brand building and customer interaction, but posts are public and can spread fast.
  • Never share passwords or OTPs, and use strong, different passwords for different accounts.
  • Do not click unknown links or open unexpected attachments, as they may be phishing or carry malware.

Common mistakes

  • Confusing Cc and Bcc. Fix: Remember that Bcc is blind: other recipients cannot see it. Cc is open to all.
  • Treating email as oral communication. Fix: Email is written communication sent through an electronic medium. It leaves a record.
  • Treating netiquette as only about email. Fix: Remember netiquette covers all online communication: email, chat, forums, video calls and social media.
  • Confusing CC and BCC. Fix: CC is open: everyone sees it. BCC is hidden: other recipients do not see it. Use BCC for bulk mails to protect privacy.
  • Saying web conferencing always needs video. Fix: Remember that web conferencing is about sharing content online. Video is optional.
  • Treating a webinar as a normal two-way meeting. Fix: A webinar has few presenters and a large audience with limited interaction. A meeting lets all members take part.
  • Saying an extranet is open to the general public. Fix: Remember that an extranet needs permission and login. Only chosen outsiders such as suppliers or dealers can enter.
  • Treating intranet and internet as the same thing. Fix: Intra means within. An intranet stays inside the organisation. The internet is global and open.
  • Confusing phishing with spam. Fix: Spam is just unwanted bulk mail. Phishing is deceptive and tries to get your sensitive details.
  • Treating a virus and ransomware as the same thing. Fix: Ransomware specifically locks or encrypts data and demands payment. Look for the demand for money.

Exam tips

  • Read the question stem for 'not', 'except' or 'incorrect' before looking at options.
  • Learn the parts of an email as a list: header, body, signature, attachments. Direct questions often come from it.
  • Be ready for definition-style questions that separate the internet from email.
  • Treat options with 'always' or 'completely secure' as suspect.
  • Revise this topic with email etiquette, as questions may blend the two.
  • Expect direct, concept-based MCQs: define netiquette, identify CC or BCC use, or spot the wrong practice.
  • In "which is correct" questions, the right option is almost always the polite, formal, clear and confidential one.
  • Watch for "not" and "except" in the question; underline them before reading options.