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CISA QUESTION #6843

An organization implements multi-factor authentication but configures it to require only username/password during business hours, with the second factor required only for after-hours access. What is the PRIMARY security weakness?

Inconsistent user experience
Reduced security protection during the highest-risk period when most users are active✔️
Complicated configuration
Increased support costs

Correct Answer Logic:

Most attacks occur during business hours when users are active and system activity can blend with normal operations. Requiring MFA only after-hours protects the lower-risk period while leaving the higher-risk business hours protected by only single-factor authentication. The security is inverted from risk-based design.

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Constitutional Law QUESTION #5826

Question 2

A state law prohibits any person from 'knowingly burning or defacing the flag of the United States' as a means of political protest. Is this law constitutional?

Yes, because the flag is a unique national symbol and the state has a compelling interest in its protection.
Yes, because flag burning is 'expressive conduct' that can be regulated for safety reasons.
No, because it is a content-based restriction on speech that fails strict scrutiny.✔️
No, because the federal government has preempted the field of flag protection.

Correct Answer Logic:

Under Texas v. Johnson, flag burning is protected 'symbolic speech.' A law that prohibits it because of the 'message' it sends is content-based and must survive strict scrutiny, which it cannot, as 'protecting the flag' is not a compelling enough interest to suppress dissent.

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Physics QUESTION #7869

Question 3

Police car moving towards stationary listener: received frequency:

Decreases
Increases✔️
Stays same
Varies randomly

Correct Answer Logic:

Doppler effect: source towards listener → frequency increases.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3366

Question 4

'Coagulase' is an enzyme produced by *Staph. aureus* to:

Break down DNA
Clot blood plasma (hiding from the immune system)✔️
Move faster
Produce energy

Correct Answer Logic:

The clot provides a protective barrier for the bacteria.

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Boilers Mechanical Engineering QUESTION #2411

Question 5

Power transmitted by a hydraulic fluid flow (volumetric flow rate $Q$, specific weight $\gamma$, total head $H$) is:

$P = \gamma Q / H$
$P = \gamma Q H$✔️
$P = Q H / \gamma$
$P = \rho Q^2 H$

Correct Answer Logic:

Hydraulic power: $P=\gamma QH$ (watts in SI). For a pump: $P_{input}=\gamma QH_A/e_{pump}$.

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General Knowledge QUESTION #9001

Question 6

The name 'All India Muslim League' was proposed in 1906 by which leader?

Quaid-i-Azam Muhammad Ali Jinnah
Nawab Salimullah Khan✔️
Sir Muhammad Shafi
None of these

Correct Answer Logic:

Nawab Salimullah Khan proposed the creation of the Muslim League.

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Planning QUESTION #4996

Question 7

In transportation capacity analysis, what is the theoretical maximum capacity (vehicles/hour) for one lane at 100 km/h with 2-second headway?

1,000
1,200
1,500
1,800✔️

Correct Answer Logic:

Capacity = $\frac{3600 \text{ seconds/hour}}{\text{headway in seconds}} = \frac{3600}{2} = 1800$ vehicles/hour/lane. This represents maximum theoretical throughput; practical capacity is typically 70-80% of theoretical due to speed variations and driver behavior.

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Math Physics Chemistry Biology QUESTION #534

Question 8

The genes of blue opsin are present on

Autosome 9
Autosome 7✔️
Autosome 1
Autosome 3

Correct Answer Logic:

Blue opsin gene is on chromosome 7

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3647

Question 9

The 'Bark' of a plant consists of all tissues located:

Inside the xylem
Outside the vascular cambium✔️
In the roots only
In the flowers

Correct Answer Logic:

Bark includes the phloem, cortex, and periderm.

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Maths QUESTION #7664

Question 10

A shirt originally priced at Rs 800 is on sale for 25% off. What is the final price after the discount?

Rs 600✔️
Rs 650
Rs 700
None of these

Correct Answer Logic:

Discount = $25\% \text{ of } 800 = \frac{25}{100} \times 800 = 200$. Final price = Original price - Discount = $800 - 200 = 600$. Therefore, the shirt costs Rs 600 after the discount.

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Pakistan Affairs QUESTION #4676

Question 11

Pakistan's first Martial Law was imposed in which month and year?

Aug-58
Sep-58
Oct-58✔️
Nov-58

Correct Answer Logic:

General Ayub Khan imposed Pakistan's first Martial Law on October 7, 1958, with President Iskander Mirza abrogating the constitution. Mirza himself was deposed by Ayub Khan on October 27, 1958.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3375

Question 12

'Benedict’s Test' is used to detect the presence of:

Non-reducing sugars
Reducing sugars✔️
Proteins
Lipids

Correct Answer Logic:

Reducing sugars (like glucose) reduce cupric ions to cuprous oxide, forming a brick-red precipitate.

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General Knowledge QUESTION #8814

Question 13

By which act did the British Parliament pass the partition of India?

12-Jun-47✔️
18-Jul-47
13-Aug-47
15-Aug-47

Correct Answer Logic:

The Indian Independence Act 1947 received royal assent on 18 July 1947. Key says A 12 June? Actually passed 18 July. Key says B 18 July.

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Quantitative Reasoning QUESTION #8134

Question 14

Some researchers argue that carbon compounds are so central to life on Earth due to the possibility of _______ arising from the carbon atom's capacity to form an endless variety of different molecules.

diversity✔️
deviation
reproduction
stability

Correct Answer Logic:

The sentence says carbon can form an unending series of different molecules — this chemical versatility leads to diversity of life forms. Carbon's ability to create countless molecule types is precisely what generates biological variety. 'Variety' is the synonym pair in the original exam. 'Deviation' implies abnormality. 'Reproduction' refers to biological copying. 'Stability' is the opposite of variety.

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General Knowledge QUESTION #8827

Question 15

The epic 'Talism-e-Hoshruba' was originally composed by which author?

Ibn-e-Insha
Mumtaz Mufti
Muhammad Husain Jah✔️
Musharraf Ali Farooqi

Correct Answer Logic:

Muhammad Husain Jah wrote this Urdu epic.

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General Knowledge QUESTION #8931

Question 16

Which country does NOT have a written constitution (uncodified)?

USA
Switzerland
UK✔️
Japan

Correct Answer Logic:

The UK has an uncodified constitution.

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General Ability and Fire Fighting QUESTION #5609

Question 17

A fire blanket is an example of which extinguishment method?

Cooling
Smothering✔️
Starving
Inhibiting

Correct Answer Logic:

A fire blanket works by smothering the fire — cutting off its oxygen supply by placing a physical barrier between the fuel and the air.

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Maths QUESTION #2807

Question 18

Which of the following numbers is divisible by both 8 and 9?

504
576✔️
648
720

Correct Answer Logic:

For divisibility by 8, the last three digits must be divisible by 8. For divisibility by 9, the digit sum must be divisible by 9. $576 \div 8 = 72$ ✓ and digit sum $= 5+7+6 = 18$, divisible by 9 ✓.

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Chemistry QUESTION #7172

Question 19

Which of the following values represents a physically possible energy level for an excited state of a hydrogen atom?

$+13.6 \text{ eV}$
$-6.8 \text{ eV}$
$-3.4 \text{ eV}$✔️
$+6.8 \text{ eV}$

Correct Answer Logic:

The energy of an electron in a hydrogen atom is given by $E_{n} = \frac{-13.6}{n^{2}} \text{ eV}$.

For $n=1$, $E = -13.6 \text{ eV}$ (Ground state)
For $n=2$, $E = \frac{-13.6}{4} = -3.4 \text{ eV}$
For $n=3$, $E = \frac{-13.6}{9} = -1.51 \text{ eV}$

Only $-3.4 \text{ eV}$ matches a valid transition level.

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Electrical Engineering QUESTION #2149

Question 20

In a DC machine, the purpose of Interpoles is primarily to:

Increase the main field flux
Reduce the speed of the motor
Improve commutation by neutralizing armature reaction✔️
Decrease the starting torque

Correct Answer Logic:

Interpoles are small poles placed to neutralize the cross-magnetizing effect of armature reaction and reduce sparking at the brushes during commutation.

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