Computer Science - IT MCQs
Topic Notes: Computer Science - IT
<p>MCQs and preparation resources for competitive exams, covering important concepts, past papers, and detailed explanations.</p>
Plato
- Biography: Ancient Greek philosopher (427–347 BCE), student of Socrates and teacher of Aristotle, founder of the Academy in Athens.
- Important Ideas:
- Theory of Forms
- Philosopher-King
- Ideal State
221
Which email feature allows you to send an email to a recipient who will not see the other recipients?
Answer:
BCC
BCC (Blind Carbon Copy) ensures that each recipient receives a copy of the email, but their email addresses remain hidden from all other recipients, preserving their privacy.
222
A traditional cable TV network sends signals in which direction?
Answer:
Downstream
Traditional cable TV was a one-way broadcast system, sending signals downstream from the head end to the subscribers.
223
Which practice is most crucial for maintaining good email etiquette in a professional setting?
Answer:
Using clear subject lines and concise language.
Professional email etiquette emphasizes clarity and conciseness. A clear subject line helps recipients prioritize, and concise language ensures the message is easily understood.
224
What is the primary function of an email header?
Answer:
To provide metadata about the email, such as sender, recipient, subject, and routing information.
An email header contains control information of the message, including the sender, recipient, subject, date, and technical information about the message's journey through mail servers.
225
What is the term for a message sent automatically in response to a specific event, often used for welcome messages or order confirmations?
Answer:
Transactional email
Transactional emails are typically automated, triggered emails sent to individual recipients based on their actions, such as purchase confirmations, password resets, or welcome emails after signing up.
226
POP is associated with receiving email. What does it represent?
Answer:
POP
POP (Post Office Protocol) allows email retrieval from a server to a local device. [cite: 223, 224]
227
What is the term for an unsolicited commercial email, often sent to a large list of recipients?
Answer:
Spam
Spam specifically refers to unsolicited commercial (or sometimes malicious) emails sent in bulk. Phishing aims to steal information, malware is malicious software, and spoofing involves faking identities.
228
Which technique involves sending emails that appear to be from a legitimate source to trick recipients into giving up sensitive information?
Answer:
Phishing
Phishing specifically targets users through deceptive emails and websites, pretending to be a trustworthy entity to lure individuals into revealing personal information such as passwords and credit card details.
229
What is 'email spoofing'?
Answer:
Sending an email with a forged sender address to deceive the recipient.
Email spoofing is the creation of email messages with a forged sender address, often done to trick recipients into believing the email originated from a legitimate source, commonly used in phishing and spam.
230
Which statement correctly describes a major difference between IMAP and POP3?
Answer:
IMAP keeps emails on the server, while POP3 typically downloads them and removes from server.
The key distinction is how they handle emails on the server. IMAP synchronizes emails, keeping them on the server for access across multiple devices, while POP3 traditionally downloads emails to a single client and may delete them from the server.