
System Commands Quiz 1: 15 March 2026 (January 2026 term)
The IIT Madras BS System Commands (System Commands) Quiz 1 paper sat on 15 Mar 2026, in the January 2026 term: 14 questions for 44 marks in 120 minutes. Every question is below with its answer. Take it as a timed mock test to be marked, or read it through first.
- 14
- 44
- 120 min
- 1
- 3
- 10
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Correct answer: 2
Question 2
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Question 3
(A figure from the original paper is missing from the source site.)
(A figure from the original paper is missing from the source site.)
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Question 4
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Question 5
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Question 6
What is the primary purpose of the SSH private key during authentication?
It is sent to the server to verify the user
It encrypts all network traffic directly
It is used by the client to prove its identity to the server without sending the key itself
It stores the server’s host fingerprint
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Correct answer
It is used by the client to prove its identity to the server without sending the key itself
Question 7
1-D, 2-C, 3-A, 4-B
1-D, 2-C, 3-B, 4-A
1-B, 2-C, 3-D, 4-A
1-B, 2-C, 3-A, 4-D
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Correct answer
1-D, 2-C, 3-B, 4-A
Question 8
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Question 9
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Question 10
(A figure from the original paper is missing from the source site.)
(A figure from the original paper is missing from the source site.)
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Correct answer
(A figure from the original paper is missing from the source site.)
Question 11
1–A, 2–B, 3–C, 4–D
1–D, 2–C, 3–B, 4–A
1–C, 2–D, 3–A, 4–B
1–C, 2–A, 3–D, 4–B
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Correct answer
1–C, 2–D, 3–A, 4–B
Question 12
Only Statement I is true
Only Statement II is true
Both Statement I and Statement II are true
Both Statement I and Statement II are false
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Correct answer
Both Statement I and Statement II are true
Question 13
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Question 14
The command filters only Class A IP addresses (1–126) and excludes loopback addresses.
The command filters Class A and loopback IP addresses.
The command filters Class A and Class B IP addresses.
The command filters only Class B IP addresses.
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Correct answer
The command filters only Class A IP addresses (1–126) and excludes loopback addresses.