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The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Let $n$ be a positive integer. The Fermat test most likely outputs ``prime'' \dots
A. only when $n$ is prime.
B. only when $n$ is non-prime.
C. when $n$ is prime or when $n$ is not a Carmichael number.
D. when $n$ is prime or when $n$ is a Carmichael number.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which is the most common sti (sexually transmitted infection) in the united states?
A. giardia
B. syphilis
C. chlamydia
D. AIDS
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Tick the \textbf{false} statement regarding Kerckhoffs' principle.
A. The system must be practically, if not mathematically, indecipherable.
B. Besides keeping the key secret, the cryptosystem must also be kept secret.
C. It must be applicable to telegraphic correspondence.
D. Its key must be communicable and retainable without the help of written notes, and changeable or modifiable at the will of the correspondents.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What organ contributes about 60% of the volume of semen ?
A. long vesicles
B. cilia
C. complete vesicles
D. seminal vesicles
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
trees will grow from
A. rocks
B. hack berries
C. thin air
D. water lilies
Answer: | B | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Storm surge is very high water located in the low pressure eye of what?
A. eruptions
B. hurricanes
C. tornados
D. earthquakes
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is the tendency of an object to remain at rest or remain in motion called?
A. inertia
B. impetus
C. magnetism
D. flow
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Isothermal expansion is a process occurring without a change in?
A. variation
B. weight
C. precipitation
D. temperature
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Cold-blooded animals are unable to live in cold climates, which is why you always see this type of creature in hot areas
A. remote
B. eggshells
C. Iguanas
D. candy blooded
Answer: | C | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Select all of the regions that ASLR randomizes the address when PIE is not enabled in x86-64 Linux:
A. The heap
B. The stack
C. The libraries
D. The executable
E. The gdb server stub
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What does looseness of soil have an impact on?
A. age of the plant
B. viability of plant
C. important habitats
D. bloom time
E. climate
F. water retention
G. Plants growth
H. genetic diversity
Answer: | G | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Tick the \textbf{non-commutative} operation.
A. $+$ (addition) over $\mathbb{Z}$
B. $\oplus$ (exclusive-or)
C. $-$ (subtraction) over $\mathbb{Z}$
D. $\times$ (multiplication) over $\mathbb{Z}$
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
When using bootstrapping in Random Forests, the number of different data items used to construct a single tree is:
A. Smaller than the size of the training data set with high probability
B. Of order square root of the size of the training set with high probability
C. The same as the size of the training data set
D. Depends on the outcome of the sampling process, and can be both smaller or larger than the training set
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which of the following integers has the square roots $\{2,3\}$ when taken modulo $5$ \textbf{and} the square roots $\{3,10\}$ when taken modulo $13$.
A. $4$.
B. $9$.
C. $6$.
D. $5$.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Water can flow easily through soil where what has formed and expanded?
A. bogs
B. rock
C. Sand
D. ice
E. moss
F. dam
G. peat
H. stem
Answer: | D | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What type of cells are the smallest of all human cells?
A. sperm
B. meristematic
C. dna
D. egg
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Lake Ontario formed from
A. construction workers
B. mechanical weathering
C. tectonic shifts
D. asteroids
Answer: | B | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Pressure and ________ are directly proportional at a constant volume?
A. precipitation
B. temperature
C. speed
D. heating
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Exposure to toxins is most damaging during weeks 4 through 8 of the embryonic stage due to development of what during this period?
A. organs
B. pain
C. faith
D. samples
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Temperature can be defined as the average of what type of energy of the molecules?
A. kinetic
B. potential
C. optical
D. magnetic
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The rate of evolution is influenced by the rate of changes to what?
A. dna
B. the earth
C. migration
D. the environment
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Consider a regression task. You are using your favorite learning algorithm with parameters w and add a regularization term of the form $\frac{\lambda}{2}\|\mathbf{w}\|^{2}$. Which of the following statements are correct for a typical scenario?
A. The training error as a function of $\lambda \geq 0$ decreases.
B. The training error as a function of $\lambda \geq 0$ increases.
C. The test error as a function of $\lambda \geq 0$ increases.
D. The test error as a function of $\lambda \geq 0$ decreases.
E. The training error as a function of $\lambda \geq 0$ first decreases and then increases.
F. The test error as a function of $\lambda \geq 0$ first decreases and then increases.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Erosion can be caused by
A. coastlines
B. mouth of rivers
C. vehicles
D. heavy rains
E. Pesticides
F. deforestation
G. detritus
H. ice wedging
Answer: | D | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What can have a more complex nervous system?
A. a fish
B. Birds
C. insects
D. coral
E. the Sun
F. ducks
G. rocks
H. air molecules
Answer: | D | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What does interstellar medium consist of?
A. the strong force
B. dark matter
C. gravitational waves
D. thinly spread gas and dust
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Your friend Charlie was training a neural net, and observed something very curious. During training, the same network, with the same exact weights, doesn't always give the same prediction for a given example. What can cause this behavior?
A. Residual layers (skip-connections)
B. Convolutional layers
C. Batch normalization
D. SGD with momentum
E. Adam
F. Dropout
G. L1 regularization
H. L2 regularization
I. This is not possible, Charlie made a mistake
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Most pituitary hormones control other what?
A. recovery time from fatigue
B. multicellular glands
C. Veins and arteries.
D. the body's largest organ
E. major threat to health
F. cell glands
G. protein codes
H. dna
Answer: | B | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Why do players with more mass often have a larger impact in football?
A. kinetic energy is lower
B. Velocity is larger
C. potential energy is lower
D. momentum is larger
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
How much space a surface covers is known as what?
A. Flatness
B. Lenght
C. area
D. Height
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
(Backpropagation) Training via the backpropagation algorithm always learns a globally optimal neural network if there is only one hidden layer and we run an infinite number of iterations and decrease the step size appropriately over time.
A. True
B. False
Answer: | B | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Consider the following lexicon \(L\):
boy : Adj, N
boys : N
blue : Adj, N
drink : N, V
drinks : N, V
Nice : Adj, N
When using an order-1 HMM model (using \(L\)) to tag the word sequence:"Nice boys drink blue drinks"does the tag of drink depend on the tag of nice?
A. yes, because the HMM approach relies on a global maximum.
B. no, the hypotheses make the two tags independent from each other.
Answer: | B | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Why do some animals have hair that grows longer during the winter?
A. It expands
B. to make braids
C. to wear a scarf
D. to attract mates
E. When it's cold
F. to stay warm
G. It remains dormant
H. genetic diversity
Answer: | F | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
How many identical daughter cells are created at the end of cytokinesis?
A. two
B. three
C. four
D. one
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is the factor that affects the solubility of solutes in all three states?
A. temperature
B. oxygen
C. heat
D. color
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is a fold of the outer skin lining the shell called?
A. stack
B. marble
C. mantle
D. cortex
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
what vitamin is beneficial to wounds?
A. Enzymes
B. magnesium
C. Relieve pain
D. folic acid
E. Proteins
F. nutrients
G. B
H. vitamin C
Answer: | H | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is the metal part of the compound named as?
A. the element
B. the source
C. the basic
D. the base
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Each lymph organ has a different job in what system?
A. circulatory
B. respiratory
C. immune
D. nervous
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Consider optimizing a matrix factorization $\boldsymbol{W} \boldsymbol{Z}^{\top}$ in the matrix completion setting, for $\boldsymbol{W} \in \mathbb{R}^{D \times K}$ and $\boldsymbol{Z} \in \mathbb{R}{ }^{N \times K}$. We write $\Omega$ for the set of observed matrix entries. Which of the following statements are correct?
A. Given any $\Omega$, for $K:=\min \{N, D\}$, there is an exact solution to the problem.
B. In general, a step of $\mathrm{SGD}$ will change all entries of the $\mathbf{W}$ and $\mathbf{Z}$ matrices.
C. Adding a Frob-norm regularizer for $\boldsymbol{W}$ and $\boldsymbol{Z}$ to the matrix factorization objective function makes the objective convex.
D. A step of alternating least squares is more costly than an SGD step.
E. For complete observations $\Omega=[1 \ldots D] \times[1 \ldots N]$, the problem can be solved by the singular value decomposition.
F. The cost of an SGD step depends on the number of observed entries.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A balance can measure the weight of
A. sugar
B. tea
C. salt water
D. chocolate milk
Answer: | A | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Besides greenland, where are the earth's largest ice sheets found?
A. antarctica
B. North America
C. Asia
D. Europe
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What can help prevent food from spoiling?
A. Dehydration
B. Plastics
C. Metals.
D. sweating
E. Cellulose
F. sugar
G. Pesticides
H. Papers
Answer: | B | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
(Nearest Neighbor) The training error of the 1-nearest neighbor classifier is zero.
A. True
B. False
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The strength of a hurricane will increase
A. in a sweltering environment
B. in a cold environment
C. in a breezy environment
D. in a dry environment
Answer: | A | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Tick the \textbf{true} assertion. In a zero-knowledge interactive proof of knowledge, \ldots
A. for any ppt verifier, any simulator can produce a transcript which is indistinguishable from the original conversation.
B. the proof of knowledge denotes that the prover does not know why the statement is true.
C. for any ppt verifier, there is a simulator which produces a conversation indistinguishable from the original conversation.
D. the simulator is computationally unbounded.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which of the following algorithms is \emph{not} a hash function?
A. SHA-1
B. MD5
C. RC4
D. MD4
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which system is capable of responding quickly to changing situations?
A. reproductive system
B. circulatory system
C. nervous system
D. endocrine system
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The northern hemisphere experiences winter
A. the month after March
B. the month after November
C. the month after August
D. the month after June
Answer: | B | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Electrical current running through a wire causes an increase in what?
A. warmth
B. speed
C. Joules
D. water current
E. energy
F. toughness
G. distance
H. lightning
Answer: | C | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Fibrous tissue contracts to
A. show for the ladies
B. rest and repair itself
C. get other muscles out of the way
D. stretch out an arm
Answer: | D | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
When gametes unite during fertilization, the resulting zygote inherits two of what for each gene, one from each parent?
A. alleles
B. genomes
C. chromosomes
D. molecules
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Tick the \textbf{false} assertion. In Differential Cryptanalysis, the corresponding differential circuit of \ldots
A. \ldots a linear circuit ($Y=M\times X$) is $\Delta X=a\Rightarrow \Delta Y=^tM\times a$
B. \ldots a duplicate gate ($X=Y=Z$) is $\Delta X=a\Rightarrow \Delta Y = \Delta Z = a$
C. \ldots a XOR gate ($X\oplus Y = Z$) is $(\Delta X=a,\ \Delta Y=b)\Rightarrow \Delta Z = a\oplus b$
D. \ldots a XOR to constant gate ($Y=X\oplus K$) is $\Delta X = a \Rightarrow \Delta Y = a$
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Let $\xv, \wv, \deltav \in \R^d$, $y \in \{-1, 1\}$, and $ arepsilon \in \R_{>0}$ be an arbitrary positive value. Which of the following is NOT true in general:
A. $rgmax_{\|\deltav\|_2 \leq arepsilon} \log_2(1 + \exp(-y \wv^ op (\xv + \deltav))) = rgmax_{\|\deltav\|_2 \leq arepsilon} \exp(-y \wv^ op (\xv + \deltav ))$
B. $rgmax_{\|\deltav\|_2 \leq arepsilon} \log_2(1 + \exp(-y \wv^ op (\xv + \deltav))) = rgmin_{\|\deltav\|_2 \leq arepsilon} y \wv^ op (\xv + \deltav )$
C. $rgmax_{\|\deltav\|_2 \leq arepsilon} \log_2(1 + \exp(-y \wv^ op (\xv + \deltav))) = rgmax_{\|\deltav\|_2 \leq arepsilon} 1 - anh(y \wv^ op (\xv + \deltav))$ \ where $ anh(z) = rac{e^z - e^{-z}}{e^z + e^{-z}}$
D. $rgmax_{\|\deltav\|_2 \leq arepsilon} \log_2(1 + \exp(-y \wv^ op (\xv + \deltav))) = rgmax_{\|\deltav\|_2 \leq arepsilon} \mathbf{1}_{y \wv^ op (\xv + \deltav) \leq 0}$
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A wave that consists of vibrating electric and magnetic fields is called what?
A. propagate wave
B. mechanical wave
C. thermal wave
D. electromagnetic wave
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What makes up most of the interior of a plant?
A. support tissue
B. conjunction tissue
C. transport tissue
D. ground tissue
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The DES key schedule\dots
A. \dots is based on a Feistel scheme.
B. \dots takes as an input a key of 128 bits.
C. \dots generates 16 subkeys.
D. \dots in only used during the encryption phase, not during the decryption phase.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Unlike ammonia, oxygen cannot be liquefied at room temperature because its what is below room temperature?
A. particular temperature
B. relaxed temperature
C. critical temperature
D. leading temperature
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Given graph 1→2, 1→3, 2→3, 3→2, switching from Page Rank to Teleporting PageRank will have an influence on the value(s) of:
A. All the nodes
B. Node 1
C. Node 2 and 3
D. No nodes. The values will stay unchanged.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Let $\mathcal{C}$ be a binary $(5,2)$ linear code with generator matrix egin{equation*} G = egin{pmatrix} 1 &0 &1 &0 &1 \ 0 &1 &0 &1 &1 \end{pmatrix} \end{equation*} and consider a minimum-distance decoder obtained by choosing the coset leaders of the standard array of $\mathcal{C}$ so that the error probability is minimized under a binary symmetric channel with bit-flip probability $\epsilon < rac{1}{2}$. True or false: The word $00101$ is certainly not one of the coset leaders.
A. True
B. False
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Transition metals are superior conductors of heat as well as what else?
A. cold
B. light
C. radiation
D. electricity
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
what does energy require?
A. store
B. Heat
C. fusion
D. food
E. motors
F. rest
G. warmth
H. fats
Answer: | F | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The change of the Earth's distance from the sun causes the amount of what to decrease?
A. air
B. daylight
C. energy
D. water
E. Weight
F. temperature
G. time
H. sunlight
Answer: | B | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
If a person does what it may be due to a pathogen?
A. is born
B. apoptosis
C. contracting
D. smoking
E. falls ill
F. symptoms
G. feels well
H. is happy
Answer: | E | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Tick the \emph{correct} assertion. In ElGamal $\ldots$
A. the encryption algorithm is deterministic.
B. the key recovery problem is equivalent to the Computational Diffie Hellman problem.
C. the size of the ciphertext is always bigger than the size of the corresponding plaintext.
D. the decryption problem can be hard even if the discrete logarithm is easy to compute in the underlying group.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
pollen grains are small male reproductive bodies of plants used to pollinate what?
A. male bushes
B. an organism's body
C. in the autumn season
D. scarce resources
E. male flowers
F. female flowers
G. female bees
H. peachleaf willow
Answer: | F | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
In User-Based Collaborative Filtering, which of the following is TRUE?
A. Pearson Correlation Coefficient and Cosine Similarity have the same value range and return the same similarity ranking for the users.
B. Pearson Correlation Coefficient and Cosine Similarity have different value ranges and can return different similarity rankings for the users
C. Pearson Correlation Coefficient and Cosine Similarity have different value ranges, but return the same similarity ranking for the users
D. Pearson Correlation Coefficient and Cosine Similarity have the same value range but can return different similarity rankings for the users
Answer: | B | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Another source of pollution may be
A. throwing things in the ocean
B. buying a new solar panel
C. biking instead of driving the car
D. using old food as compost for the plants
Answer: | A | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What do you call the gently sloped ocean floor nearest the edges of continents?
A. continental shelf
B. continental divide
C. continental solution
D. continental stratosphere
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Herbivores and omnivores have longer alimentary canals compared to what?
A. carnivores
B. centipedes
C. arthropods
D. mammals
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A goiter is a visible indication of deficiency of what?
A. iodine
B. water
C. arsenic
D. chlorine
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which vertebrae carry the greatest amount of body weight and are thus characterized by the large size and thickness of the vertebral body?
A. lumbar vertebrae
B. artery vertebrae
C. thickness vertebrae
D. invertebrae
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What should the minimal length of the output of a hash function be to provide security against \emph{preimage attacks} of $2^{256}?$
A. $2^{256}$ bits.
B. $2^{512}$ bits.
C. $256$ bits.
D. $512$ bits.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
An object undergoing circular motion experiences centripetal what?
A. transmission
B. velocity
C. acceleration
D. vibration
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
antigens are found on cancer cells and the cells of transplanted what?
A. personality
B. density
C. alveoli
D. lungs
E. the skin
F. epidermal
G. livers
H. digestion
Answer: | G | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
For this question, one or more assertions can be correct. Tick only the correct assertion(s). There
will be a penalty for wrong assertions ticked.Using a 3-gram character model, which of the following expressions are equal to \( P(\text{opossum}) \) ?
A. \( P(\text{op}) \cdot P(\text{op}|\text{o}) \cdot P(\text{po}|\text{s}) \cdot P(\text{os}|\text{s}) \cdot P(\text{ss}|\text{u}) \cdot P(\text{su}|\text{m}) \)
B. \( P(\text{op}) \cdot P(\text{o}|\text{po}) \cdot P(\text{s}|\text{op}) \cdot P(\text{s}|\text{so}) \cdot P(\text{u}|\text{ss}) \cdot P(\text{m}|\text{us}) \)
C. \( P(\text{op}) \cdot P(\text{o}|\text{op}) \cdot P(\text{s}|\text{po}) \cdot P(\text{s}|\text{os}) \cdot P(\text{u}|\text{ss}) \cdot P(\text{m}|\text{su}) \)
D. \( P(\text{opo}) \cdot P(\text{s}|\text{po}) \cdot P(\text{s}|\text{os}) \cdot P(\text{u}|\text{ss}) \cdot P(\text{m}|\text{su}) \)
E. \( P(\text{o}) \cdot P(\text{p}|\text{o}) \cdot P(\text{o}|\text{p}) \cdot P(\text{s}|\text{o}) \cdot P(\text{s}|\text{s}) \cdot P(\text{u}|\text{s}) \cdot P(\text{m}|\text{u}) \)
F. \( P(\text{opo}) \cdot P(\text{pos}) \cdot P(\text{oss}) \cdot P(\text{ssu}) \cdot P(\text{sum}) \)
G. \( P(\text{opo}) \cdot P(\text{ssu}) \cdot P(\text{sum}) \)
H. \( \displaystyle \frac{ P(\text{opo}) \cdot P(\text{pos}) \cdot P(\text{oss}) \cdot P(\text{ssu}) \cdot P(\text{sum}) }{ P(\text{po}) \cdot P(\text{os}) \cdot P(\text{ss}) \cdot P(\text{su}) } \)
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is name of the phenomenon where similar traits evolve independently in species that do not share a common ancestry?
A. equation evolution
B. divergent evolution
C. coalescence evolution
D. convergent evolution
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is defined as superheated gas with a positive electrical charge?
A. supernova
B. ion
C. greenhouse gas
D. plasma
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Digestion and respiration are both facilitated by the pharynx, more commonly called the what?
A. nose
B. sinus
C. throat
D. esophagus
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Higher temperatures increase the rate of reaction in a lot of chemical reactions because they increase the frequency of what interaction between reactant particles?
A. waves
B. explosions
C. collisions
D. electric
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What are the complexities for the single-target dictionary attacks, when there are $N$ keys?
A. Preprocessing: $N$, Memory: $N$, Time: 1
B. Preprocessing: $N$, Memory: $1$, Time: $N$
C. Preprocessing: $1$, Memory: $N$, Time: $N$
D. Preprocessing: $0$, Memory: $1$, Time: $\sqrt{N}$
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What type of structures evolved to do the same job by unrelated organisms?
A. analogous structures
B. symmetrical structures
C. dioxide structures
D. primal structures
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
what can cause death?
A. weathering
B. chemicals
C. Cars
D. respiration
E. viruses
F. flooding
G. digestion
H. Pesticides
Answer: | E | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which of the following is correct regarding Crowdsourcing?
A. Random Spammers give always the same answer for every question
B. It is applicable only for binary classification problems
C. Honey Pot discovers all the types of spammers but not the sloppy workers
D. The output of Majority Decision can be equal to the one of Expectation-Maximization
Answer: | D | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The Time-Memory Tradeoff Attack ...
A. is useful for finding a preimage within complexity $O\big(\big({\frac{2}{3}}\big)^N\big).$
B. is useful for finding a preimage within complexity $O(N^{\frac{2}{3}}).$
C. is a dedicated method which works only on SHA1.
D. can be combined with birthday paradox to find the order of the group in RSA efficiently.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What causes tornadoes?
A. Electrical energy
B. scattered light
C. hypothyroidism
D. Time and energy
E. harmful substances
F. Cold fronts.
G. Tropical
H. heat energy
Answer: | F | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The extracellular fluid is in contact with the axon membrane only at what location?
A. dendrites
B. Sensory Receptors
C. the nodes
D. synapses
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Consider a source $S$ with some distribution $P_S$ over the alphabet $\mathcal{A} = \{a, b, c, d, e, f\}$. Bob designs a uniquely decodable code $\Gamma$ over a code alphabet $\mathcal{D}$ of size $D$ with following codeword lengths. egin{center}egin{tabular}{ |c|c|c|c|c|c|c| } \hline& $a$ & $b$ & $c$ & $d$ & $e$ & $f$ \ \hline$|\Gamma(\cdot)|$ & 1 & 1 & 2 & 2 & 3 & 3 \ \hline\end{tabular}\end{center} Which of the following is true?
A. The average codeword length of the code is necessarily greater than or equal to $H_D(S)$.
B. $\Gamma$ can be a binary code, i.e., $D$ can be $2$.
C. There exists a distribution $P_S$ such that the average codeword length of $\Gamma(\cdot)$ is equal to $H_D(S)$.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What can be used to estimate a forest's growth rate?
A. rings
B. fibers
C. bamboo
D. bark
E. crown
F. wind
G. soil
H. traits
Answer: | A | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
How can people access water in an aquifer that does not flow from a spring or a geyser?
A. evaporation
B. generate electricity
C. mound building
D. dig a well
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which of the following statements about testing is/are correct?
A. Concolic execution specializes in finding bugs close to the path
of the provided concrete input.
B. In static analysis, determining the correct target set of
indirect calls is typically challenging but required to minimize
over-approximation of targets.
C. Compared to dynamic analysis, static analysis is more
susceptible to state space explosion.
D. Tests prove the presence of bugs but not their absence.
E. Tests prove the absence of bugs but not their presence.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
In x86-64 Linux, the canary is \textbf{always} different for every?
A. Thread
B. Function
C. Process
D. Namespace
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A pet with flippers is sometimes kept in a
A. folding metal crate with door
B. cushioned pad with round opening
C. bean-shaped container with fake tree
D. cage with wheel and tubes
Answer: | C | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Photosynthesis requires light, water and what else?
A. nitrogen
B. seasons
C. carbon dioxide
D. soil
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which of the following is an acceptable commitment scheme, i.e., one that verifies the hiding and binding property (for a well chosen primitive and suitable $x$ and $r$):
A. $Commit(x;r) = Enc_r(x)$, where $Enc_r$ is a symmetric encryption scheme with key $r$.
B. $Commit(x;r) = H(x)$, where $H$ is a hash function.
C. $Commit(x;r) = x \oplus r$, where $\oplus$ is the bitwise xor operation.
D. $Commit(x;r) = H(r\|x)$, where $H$ is a hash function and $\|$ denotes the concatenation.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Materials that prevent the flow of heat can be used for keeping what?
A. airy
B. power
C. warm
D. liquid
E. dry
F. energy
G. empty
H. down
Answer: | C | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is is a measurement of the force amplification of a machine?
A. mechanical push
B. mechanical pull
C. mechanical advantage
D. force multiplier
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which statement is true for the Mean Squared Error (MSE) loss MSE( $\mathbf{x}, y):=\left(f_{\mathbf{w}}(\mathbf{x})-y\right)^{2}$, with $f_{\mathrm{w}}$ a model parametrized by the weights $\mathbf{w}$ ?
A. MSE is not necessarily convex with respect to the weights of the model $\mathbf{w}$.
B. MSE is more robust to outliers than Mean Absolute Error (MAE).
C. For any ML task you are trying to solve, minimizing MSE will provably yield the best model.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What requires nutrients to grow?
A. metals
B. birds
C. dirt
D. computers
Answer: | B | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What does a mirror reflect?
A. body water
B. watershred
C. biceps
D. motion
E. sunlight
F. coastlines
G. movement
H. sun's heat
Answer: | E | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Creating wood-free paper does not require what?
A. scarce resources
B. patience
C. deforestation
D. testing
E. science
F. lumberjacks
G. Energy.
H. carbon dioxide
Answer: | F | qasc |
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