SSC CGL Computer – Internet, Web Browsing & E-mail – Level 2 · Exam Level · Section III pace
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The real extension is the LAST one: .exe = program – a common malware trick.
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SSC CGL Computer – Internet, Web Browsing & E-mail – Level 2 · Exam Level · Section III pace – 16 questions, subject: Computer Knowledge. Every question has the correct answer with a one-line explanation; tap "Show Answer". Free practice for TNPSC, UPSC, SSC, Bank and RRB exams – Shanmugam IAS Academy, Coimbatore.
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1.
A 300 MB file finished downloading in 48 seconds (ignore overheads). What was the speed of the connection?
Correct Answer: B [50 Mbps]
Explanation:
Speed = size in megabits ÷ time: 300 × 8 = 2,400 ÷ 48 = 50 Mbps.
2.
Match the followingMatch the protocols with their default ports:
P. HTTP Q. SMTP R. POP3 S. IMAP
1. 80 2. 143 3. 110 4. 25
P. HTTP Q. SMTP R. POP3 S. IMAP
1. 80 2. 143 3. 110 4. 25
Correct Answer: C [P-1, Q-4, R-3, S-2]
Explanation:
HTTP 80, SMTP 25, POP3 110, IMAP 143.
3.
Assertion–Reason
A: E-mail can be used even if no web page is opened in a browser.
R: E-mail is a separate Internet service carried by protocols such as SMTP, not a part of the World Wide Web.
A: E-mail can be used even if no web page is opened in a browser.
R: E-mail is a separate Internet service carried by protocols such as SMTP, not a part of the World Wide Web.
Correct Answer: A [Both A and R are true and R explains A]
Explanation:
Road and Traffic: e-mail and the Web are different services on the same Internet.
4.
Which Google search shows only PDF files about the GST council?
Correct Answer: A [GST council filetype:pdf]
Explanation:
filetype: limits results to that file type; -pdf would EXCLUDE the word pdf.
5.
Riya sends a mail To: Arun; Cc: Babu; Bcc: Charu. Which address(es) can Babu see in the mail he receives (apart from Riya's)?
Correct Answer: B [Arun and Babu only]
Explanation:
Bcc is hidden from all others: Babu sees To (Arun) and Cc (himself).
6.
In the URL https://www.example.in/notes/list.html#top, the part '/notes/list.html' is the:
Correct Answer: D [Path]
Explanation:
After the host comes the path (folder/file); #top is the fragment.
7.
Statement-basedWhich of the following is/are correct?
I. POP3 normally downloads mail to one device and usually removes it from the server.
II. IMAP keeps mail on the server so that the same folders appear on every device.
I. POP3 normally downloads mail to one device and usually removes it from the server.
II. IMAP keeps mail on the server so that the same folders appear on every device.
Correct Answer: C [Both I and II]
Explanation:
Both true – that is why IMAP suits people who use phone + laptop.
8.
Which statement about an Incognito window in Chrome is correct?
Correct Answer: B [Your employer's network can still see the sites you visit]
Explanation:
Google: activity stays visible to websites and to network managers (school, employer, ISP); only the device keeps no record.
9.
Two-quantity comparison
Quantity I: time (in seconds) to download 120 MB at 24 Mbps
Quantity II: time (in seconds) to upload 50 MB at 10 Mbps
Quantity I: time (in seconds) to download 120 MB at 24 Mbps
Quantity II: time (in seconds) to upload 50 MB at 10 Mbps
Correct Answer: C [Quantity I = Quantity II]
Explanation:
QI = 960 ÷ 24 = 40 s; QII = 400 ÷ 10 = 40 s → equal.
10.
Trick SpotterWhich is the quickest correct way to find the time to download 75 MB at 15 Mbps?
Correct Answer: C [75 × 8 ÷ 15]
Explanation:
Convert bytes to bits (× 8), then divide by speed: 40 s.
11.
Reverse questionAn address bar shows a padlock and the address begins with 'https'. Which protocol is the browser using?
Correct Answer: A [HyperText Transfer Protocol Secure]
Explanation:
https = HTTP Secure (HTTP over TLS, port 443).
12.
In the e-mail address meena.r@post.example.org, which part is the domain?
Correct Answer: D [post.example.org]
Explanation:
Everything after @ is the domain; before @ is the user name.
13.
Spot My Mistake“A 2 GB file (take 1 GB = 1,000 MB) on a 100 Mbps line takes 2,000 × 100 ÷ 8 = 25,000 seconds.” What is the correct time?
Correct Answer: B [160 seconds]
Explanation:
Multiply the size by 8, then DIVIDE by the speed: 2,000 × 8 = 16,000 megabits ÷ 100 = 160 s.
14.
Which search finds pages on gov.in websites only that mention 'pension'?
Correct Answer: D [pension site:gov.in]
Explanation:
site: restricts results to one site or domain.
15.
Chronological orderArrange the Internet milestones in chronological order: P. TCP/IP switch-over on ARPANET Q. Network e-mail with @ R. Web proposal at CERN S. ARPANET begins
Correct Answer: C [S → Q → P → R]
Explanation:
1969 ARPANET, 1971 e-mail, 1983 TCP/IP, 1989 Web proposal.
16.
A downloaded file named 'marksheet.pdf.exe' arrives in an e-mail. What is it really?
Correct Answer: A [A program (executable file)]
Explanation:
The real extension is the LAST one: .exe = program – a common malware trick.
➤ Full notes, shortcuts and every answer explained – SSC CGL 2026 Computer Knowledge book (₹149): www.shanmugamiasacademy.in/study-materials/ssc-cgl-computer-knowledge
📘 SSC CGL 2026 – Computer Knowledge (Tier II Paper I – Section III)
Here you get the answer with a one-line explanation. 672 original questions with answer key and explanations · notes, figures, shortcut keys and memory aids · practice sets + 3 Computer Knowledge mock tests
Get the book – ₹149 More quizzes
› SSC CGL Computer – Mock Test M3 – Computer Knowledge Module
› SSC CGL Computer – Mock Test M2 – Computer Knowledge Module
› SSC CGL Computer – Mock Test M1 – Computer Knowledge Module
› SSC CGL Computer – Cyber Security & Abbreviations – Exam-Level Drill
› SSC CGL Computer – Cyber Security & Abbreviations – Level 3 · Challenge
› SSC CGL Computer – Cyber Security & Abbreviations – Level 2 · Exam Level · Section III pace
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