Correct Answer: D. To repeat information such as titles or page numbers at page boundaries
Explanation:
Headers and footers appear in the top or bottom area of document pages.
They are commonly used for page numbers, document titles, dates, and institutional details.
Correct Answer: B. They apply consistent structure and can support automatic navigation or a table of contents
Explanation:
Heading styles mark document hierarchy consistently instead of relying only on manual appearance.
Structured headings also support navigation and automatic document features.
Correct Answer: A. Create and format text-based documents
Explanation:
Word is a word-processing application for reports, letters, and other documents.
Its central purpose is document creation rather than networking or conferencing.
Correct Answer: D. Sincerely, followed by the sender’s name
Explanation:
A professional closing completes the message respectfully and identifies the sender.
Overly casual or anonymous endings are unsuitable for formal academic correspondence.
Correct Answer: C. The exact recipient address belongs to the intended Ali Khan
Explanation:
Recipient verification prevents sensitive information from being sent to a person with a similar name.
Confidentiality depends on checking the address before transmission.
Correct Answer: B. Remove or protect confidential content and addresses not needed by the new recipient
Explanation:
Forwarded threads may contain private details that were intended for a limited audience.
Reviewing and minimizing shared information protects confidentiality and relevance.
Correct Answer: D. State a reasonable response deadline without demanding an immediate answer
Explanation:
A clear, realistic deadline communicates priority while respecting the recipient’s workload.
Repeated pressure and false urgency reduce professionalism and trust.
Correct Answer: C. Meeting purpose, date, time, location or link, and relevant attendees
Explanation:
A complete invitation lets participants understand, schedule, and join the meeting.
Missing purpose or logistics creates avoidable confusion and attendance problems.
Correct Answer: B. When the recipient will be unavailable and needs to set expectations for response time
Explanation:
An out-of-office message informs senders about absence and may provide an alternative contact.
It manages communication expectations rather than exposing confidential information.
Correct Answer: A. A grouped sequence of related messages and replies
Explanation:
Email threading keeps a conversation’s messages together in context.
It helps users follow the history of replies without treating each message as unrelated.