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The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Select \emph{incorrect} statement. The brute force technique against a cipher with key $256$ bits is
A. impossible even if we can compute without burning an energy.
B. impossible since the number of possible keys is too high $2^{256} \approx 10^{77}$.
C. impossible in future even if we consider Moore's law.
D. feasible using all clusters at EPFL.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Debroglie proposed in 1924 that any object exhibits a wavelength that is inversely proportional to its?
A. inertia
B. velocity
C. momentum
D. frequency
Answer:
|
C
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What comes out when a radio converts energy?
A. Heat
B. motion
C. Sound
D. Darkness
E. Energy
F. waves
G. deadly
H. Light
Answer:
|
C
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Given the 2-itemsets {1, 2}, {1, 3}, {1, 5}, {2, 3}, {2, 5}, when generating the 3-itemset we will:
A. Have 4 3-itemsets after the join and 4 3-itemsets after the prune
B. Have 4 3-itemsets after the join and 2 3-itemsets after the prune
C. Have 3 3-itemsets after the join and 3 3-itemsets after the prune
D. Have 2 3-itemsets after the join and 2 3-itemsets after the prune
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
what converts wind energy into electricity
A. clouds
B. mechanical waves
C. windpower operated machines
D. Movement of an air mass
E. solar panels
F. Warm air moving into cold air
G. batteries
H. tectonic plates being pushed together
Answer:
|
C
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What do muscle fibers need to do to enable movement?
A. Bend
B. strength
C. exercise
D. ligt
E. It expands
F. shorten
G. Vibrates
H. stay warm
Answer:
|
F
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
the second-largest invertebrate group reproduce how
A. orchids
B. insects
C. with flowers
D. with spores
E. sexually
F. with seeds
G. four limbs
H. ferns
Answer:
|
E
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Because of its composition, oil does not do what in water?
A. dissolve
B. separate
C. explode
D. form
Answer:
|
A
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What can most protists do?
A. fusion
B. Seesaw
C. move
D. growth
E. harm
F. expand
G. damage
H. grow
Answer:
|
C
|
qasc
|
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.
When a human's organs stop working and he stops breathing, that person
A. goes to Mcdonalds
B. perished
C. dances
D. plays
Answer:
|
B
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Tick the \emph{correct} assertion. The maximum advantage of an \textbf{adaptive} distinguisher limited to $q$ queries between two random functions $F$ and $F^*$ is always\dots
A. $\frac{1}{2}|||[F]^q - [F^*]^q |||_{\infty}$.
B. $\frac{1}{2}|||[F]^q - [F^*]^q |||_{a}$.
C. $1$ when $F = F^*$.
D. lower than the advantage of the best \textbf{non-adaptive} distinguisher.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What causes a small scrap of paper placed on top of the water droplet to float , although the object is denser (heavier) than the water?
A. diffusion
B. surface tension
C. van der waals force
D. transfusion
Answer:
|
B
|
sciq
|
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.
Mineralocorticoids are hormones synthesized by the adrenal cortex that affect what balance, by regulating sodium and water levels?
A. equilibrium
B. homeostasis
C. blood pressure
D. osmotic
Answer:
|
D
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A valley is formed by
A. Sediment
B. a solute
C. calcite
D. seismic activity
E. glaciation
F. weathering
G. erosion
H. loose soil
Answer:
|
G
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is the name for the stratospheric gas layer that protects living things from uv radiation?
A. atmospheric layer
B. carbon layer
C. ozone layer
D. toposphere
Answer:
|
C
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Loss of resources has a negative impact on what in an area?
A. weather
B. sunlight
C. critters
D. organism diagrams
Answer:
|
C
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What causes a lot of geological activity on the earth?
A. weather
B. landslides
C. plate tectonics
D. natural selection
Answer:
|
C
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Blood from the body enters what chamber of the heart before it is pumped to the right ventricle and then to the lungs?
A. left bivalve
B. left atrium
C. left ventricle
D. right atrium
Answer:
|
D
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A delta is formed by
A. erosion
B. motion
C. plate shifts
D. flooding
E. loose soil
F. Earthworms
G. compression
H. gravity
Answer:
|
A
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is a greenhouse?
A. A place for foreign plants
B. A house painted green
C. A secret Army base
D. The opposite of the White House
Answer:
|
A
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is the raw material for evolution by natural selection called?
A. mutation
B. genetic variation
C. pattern variation
D. comparable variation
Answer:
|
B
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What force causes an object to change shape?
A. quadriceps
B. Electrical energy
C. mechanical
D. Heat energy
E. friction
F. compressional
G. flow of electrons
H. kinetic energy
Answer:
|
F
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Consider the source $S_1, S_2, \dots$ such that $S_1$ is uniformly distributed on $\mathbb{Z}/10\mathbb{Z}^*$, and for every $n\geq 1$, $S_{n+1}$ is distributed uniformly on $\mathbb{Z}/(S_n+1)\mathbb{Z}^*$. Let $H(\mathcal{S}) = \lim_{n o\infty} H(S_n)$. True or false: $H(\mathcal{S}) = 0$.
A. False
B. True
Answer:
|
B
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Let $$G= egin{pmatrix} 1 &1 &1 &0 &1 &0\ 0 &1 &1 &1 &0 &0\ 0 &1 &1 &0 &0 &0\ 0 &1 &1 &1 &0 &1 \end{pmatrix}$$ be the generator matrix of a $(6,4)$ linear code $\mathcal C$ over $\mathbb F_2$. True or false: If one substitutes the last row of $G$ by $(1,0,0,1,1,1)$, the thereby obtained matrix generates the same code $\mathcal C$.
A. False
B. True
Answer:
|
B
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
organisms commonly found on rotting logs and compost reproduce by way of what
A. spores
B. pollen
C. seeds
D. live birth
E. flowers
F. bees
G. bacteria
H. chemicals
Answer:
|
A
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which scheme is the most secure?
A. DES.
B. Two-key triple DES.
C. Three-key triple DES.
D. Double DES.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What does mitosis often cause?
A. nucleus
B. reduction
C. nothing
D. growth
E. DNA
F. gene flow
G. less cells
H. pregnancy
Answer:
|
D
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Mark any of the following functions that have unique maximizers:
A. $f(x) =-x^{2}, \quad x \in[-10,10]$
B. $f(x) =\ln (x), \quad x \in(0,10]$
C. $f(x) =x^{2}, \quad x \in[-10,10]$
D. $f(x) =\cos (2 \pi x), \quad x \in[-1,1]$
E. $f(x) =\cos (2 \pi x), \quad x \in\left[-\frac{1}{2}, \frac{1}{2}\right]$
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Marine biomes are found in large bodies of what?
A. fresh water
B. the environment
C. salt water
D. liquid
E. river water
F. Absorb light
G. Sediment
H. black water
Answer:
|
C
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Tick the \textbf{false} assertion. A cipher with a good decorrelation of order 2 protects against \ldots
A. \ldots non-adaptive distinguishers limited to two queries.
B. \ldots unbounded attacks.
C. \ldots differential cryptanalysis.
D. \ldots linear cryptanalysis.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What do plants do during the day?
A. Exfoliation
B. amble
C. bite animals
D. produce light
E. grass
F. reproduce
G. sweating
H. respirate
Answer:
|
H
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
To how many plaintexts we expect to decrypt a ciphertext in the Rabin cryptosystem when we don't use redundancy?
A. 4.
B. 2.
C. 1.
D. 8.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What do fungi require?
A. Energy
B. food
C. allow growth
D. warmth
E. Exfoliation
F. Bodily water
G. evaporation
H. nitrogen
Answer:
|
H
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What type of lenses can correct myopia?
A. diffusion lenses
B. convex lenses
C. concave lenses
D. polarized lenses
Answer:
|
C
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
For survival, plants require a compound made of what?
A. carbon dioxide
B. Hydrogen and oxygen
C. organic molecules
D. deoxyribonucleic acid
E. carbohydrates
F. Converted sugar
G. genetic material
H. solid, liquid, gas
Answer:
|
B
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Consider the following loaded dice with $6$ faces: $P(S_1=6)=5/6$ and $P(S_1 = x)=1/30$ for $x\in\{1,2,3,4,5\}$. Suppose we throw it indefinitely. Hence, we have a source $S=S_1 S_2 S_3\ldots$. Then, the source is stationary.
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.
A proof system is computational-zero-knowledge if \dots
A. for any PPT verifier and for any simulator $S$, $S$ produces an output which is hard to distinguish from the view of the protocol.
B. there exists a PPT simulator $S$ such that for any \emph{honest} verifier, $S$ produces an output which is hard to distinguish from the view of the verifier.
C. for any PPT verifier, there exists a PPT simulator that produces an output which is hard to distinguish from the view of the protocol.
D. for any \emph{honest} verifier and for any simulator $S$, $S$ produces an output which is hard to distinguish from the view of the protocol.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What do cold fronts cause?
A. death
B. complex
C. wind
D. streams
E. deadly
F. disease
G. havoc
H. mildew
Answer:
|
G
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Tick the \textbf{true} statement regarding RSA Cryptosystem.
A. $(e,N,\varphi(N))$ are the public parameters.
B. $e$ is a valid public key if $\gcd(e,N)=1$.
C. Encryption and decryption are performed with the same key.
D. $ed \equiv 1 \pmod{\varphi(N)}$.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
How many full moons are there each month
A. 1,000
B. twenty
C. 100
D. less than two
Answer:
|
D
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which problem in communication is \emph{not} treated by cryptography?
A. confidentiality
B. integrity
C. authenthication
D. data transmission
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Let $n$ be a positive integer. An element $x \in \mathbb{Z}_n$ is \emph{always} invertible when \dots
A. $x$ and $n$ are coprime.
B. $x$ and $\varphi(n)$ are coprime.
C. $x$ is even.
D. $n$ is prime.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is the basic unit of structure and function of living things?
A. molecule
B. atom
C. particle
D. cell
Answer:
|
D
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Three hundred and sixty five turns of the earth is
A. double half a calendar year
B. a very long time
C. almost half of a lifetime
D. more than two years
Answer:
|
A
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Given a function $f:\left\{ 0,1 \right\}^p \rightarrow \left\{ 0,1 \right\}^q$, given $a\in\left\{ 0,1 \right\}^p$ and $b \in \left\{ 0,1 \right\}^q$, we define $DP^{f}(a,b) = \Pr_{X}[f(X \oplus a) = f(X) \oplus b]$. We have that $\ldots$
A. $DP^f(0,b) = 1$ if and only if $b \not= 0$.
B. $DP^f(a,a) =1$.
C. $\sum_{a \in \{0,1\}^p} \sum_{b \in \{0,1\}^q} DP^f(a,b)= 2^p $.
D. when $f$ is a permutation and $p=q$, $DP^f(a,0) = 1$.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is defined as an organism in the earliest stages of development?
A. a gamete
B. an nucleus
C. an embryo
D. a zygote
Answer:
|
C
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Single-displacement reactions are a subset of what?
A. kinetic reactions
B. redox reactions
C. particle reactions
D. gravitational reactions
Answer:
|
B
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which is the correct relationship?
A. the moon orbits the sun which orbits the Earth
B. the moon orbits the Earth which orbits the sun
C. Earth orbits the moon which orbits the Earth
D. Earth orbits the sun which orbits the moon
Answer:
|
B
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Intermediate filaments tend to give the structural stability to what?
A. cells
B. nerves
C. proteins
D. muscles
Answer:
|
A
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
seismic activities will force an abrupt change in the surface appearance of
A. terra
B. canoes
C. flowers
D. trees
Answer:
|
A
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Plasmodesmata passes through what part of plants?
A. cytoplasm
B. cell walls
C. cell ridges
D. nucleus
Answer:
|
B
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
If you are using a measuring cup for sugar, what would you be measuring?
A. Decibels
B. liquid
C. density
D. length
E. height
F. A kernel
G. volume
H. Joules
Answer:
|
G
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Parthenogenis in komodo dragons is an example of what kind of reproduction, whereby offspring are created from just one parent?
A. asexual reproduction
B. benthic reproduction
C. organic reproduction
D. natural reproduction
Answer:
|
A
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What does the geiger counter detect?
A. moisture
B. radiation
C. convection
D. vibration
Answer:
|
B
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
An individual with down's syndrome has 47 of what instead of the normal 46?
A. ribosomes
B. chromosomes
C. prokaryotes
D. mitochondria
Answer:
|
B
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which of the following probability distributions are members of the exponential family:
A. Cauchy distribution: $p(y|y_0,\gamma) = rac{1}{\pi \gamma [1 + ( rac{y-y_0}{\gamma})^2]}$.
B. Poisson distribution: $p(y|\mu) = rac{e^{-y}}{y!}\mu^y$.
C. Uniform distribution over $[0,\eta], \eta>0$: $p(y|\eta) = rac{1}{\eta} 1_{y \in [0,\eta]}$.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What causes nitrate to go back to its gaseous nitrogen state?
A. denitrifying bacteria
B. enzymes
C. phytoflagellate bacteria
D. decomposers
Answer:
|
A
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The result of $2^{2015} \bmod{9}$ is $\ldots$
A. 2.
B. 5.
C. 4.
D. 7.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Tick the \textbf{false} assertion. The SEI of the distribution $P$ of support $G$ \ldots
A. is equal to \# $G\cdot\displaystyle\sum_{x\in G}\left(P(x)-\frac{1}{\sharp G}\right)^2$
B. is the advantage of the best distinguisher between $P$ and the uniform distribution.
C. denotes the Squared Euclidean Imbalance.
D. is positive.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What adapt to Arctic temperatures?
A. snakes
B. trees
C. humans
D. people
E. naked mole rats
F. lizards
G. ferns
H. reindeer
Answer:
|
H
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The entry of acidic chyme into the duodenum stimulates the release of what?
A. oxygen
B. gastrin
C. secretin
D. progesterone
Answer:
|
C
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
In which process do two light nuclei combine to produce a heavier nucleus and great energy?
A. nuclear fusion
B. certain fusion
C. light fusion
D. general fusion
Answer:
|
A
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Blood gets directed around beneath skin and bone by
A. a person
B. a vision
C. a thought process
D. long passages
Answer:
|
D
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is the smallest unit of structure and function of all living organisms?
A. organelle
B. the cell
C. chromosome
D. organ
Answer:
|
B
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Who invented linear cryptanalysis?
A. Mitsuru Matsui
B. Eli Biham
C. Serge Vaudenay
D. Adi Shamir
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Foliation, which forms layers in rocks during metamorphism, is caused by what?
A. power
B. Pulling
C. push
D. pressure
Answer:
|
D
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The name carbon tetrachloride implies one carbon atom and four of which other atoms?
A. calcium
B. iodine
C. nitrogen
D. chlorine
Answer:
|
D
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
what are immobile?
A. critical organs
B. all matter
C. land mammals
D. adult humans
E. gastropod shells
F. adult sponges
G. water molecules
H. an organism's body
Answer:
|
F
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Suppose a file system used only for reading immutable files in random fashion. What is the best block allocation strategy?
Question Options:
1. Linked-list allocation
2. Continuous allocation
3. Index allocation with B-tree
4. Index allocation with Hash-table
A. Linked-list allocation
B. Continuous allocation
C. Index allocation with B-tree
D. Index allocation with Hash-table
Answer:
|
B
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
An herbivore will
A. eat a little meat daily
B. never eat any plants
C. eat meat now and then
D. only eat things that grow out of the ground
Answer:
|
D
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Compared to the plain RSA cryptosystem and for equivalent key sizes, the plain Elgamal cryptosystem has\dots
A. a simpler key generation algorithm.
B. a simpler encryption algorithm.
C. a simpler decryption algorithm.
D. shorter ciphertexts.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Centrifugal force act along with gravitational force to cause an object to remain what
A. moves
B. ground
C. small
D. Energy.
E. kinetic energy
F. stationary
G. energy
H. It will move.
Answer:
|
F
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
We are given a data set $S=\left\{\left(\boldsymbol{x}_{n}, y_{n}\right)\right\}$ for a binary classification task where $\boldsymbol{x}_{n}$ in $\mathbb{R}^{D}$. We want to use a nearestneighbor classifier. In which of the following situations do we have a reasonable chance of success with this approach? [Ignore the issue of complexity.]
A. $n \rightarrow \infty, D$ is fixed
B. $ n \rightarrow \infty, D \ll \ln (n)$
C. $ n=D^2, D \rightarrow \infty$
D. $ n$ is fixed, $D \rightarrow \infty$
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Neurologists are physicians who specialize in disorders of what system?
A. musculoskeletal system
B. circulatory system
C. digestive system
D. nervous system
Answer:
|
D
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What requires soil to grow?
A. lakes
B. car engine
C. daffodils
D. cows
Answer:
|
C
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Decision trees...
A. ... can be used for both classification and regression.
B. ... can be easily explained.
C. ... need water and sunlight to grow.
D. ... have several different roots.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Consider an RSA encryption where the $(p, q)$ are determined as $(53, 61)$. True or false: $(e,d) = (7, 223)$ are valid encoding/decoding exponents.
A. False
B. True
Answer:
|
B
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Tidal motion can be used to
A. activate turbines on shore
B. rock you to sleep
C. smash waves on rocks
D. light a dark pathway
Answer:
|
A
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What has a characteristic life cycle that includes alternation of generations?
A. humans
B. leaves
C. Oak
D. dogs
E. Trees
F. cacti
G. amoeba
H. ferns
Answer:
|
H
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The burning of charcoal is what type of reaction?
A. physical
B. evaporation
C. condensation
D. combustion
Answer:
|
D
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Pick the \emph{false} statement.
A. A ring is always commutative: $ab=ba$
B. A ring is always associative: $(ab)c=a(bc)$
C. A ring is always distributive: $a(b+c)=ab+ac$, $(a+b)c=ac+bc$
D. A ring is always Abelian: $a+b = b+a$
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Most fossils form when a dead organism is buried in what?
A. soil
B. ash
C. sand
D. sediment
Answer:
|
D
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Mark any of the following functions that have unique maximizers:
A. $f(x) =-x^{2}, \quad x \in[-10,10]$
B. $f(x) =\ln (x), \quad x \in(0,10]$
C. $f(x) =x^{2}, \quad x \in[-10,10]$
D. $f(x) =\cos (2 \pi x), \quad x \in[-1,1]$
E. $f(x) =\cos (2 \pi x), \quad x \in\left[-\frac{1}{2}, \frac{1}{2}\right]$
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
what is cognitive?
A. motors
B. pupils
C. play
D. humans
E. power
F. Man
G. fuzzy
H. motion
Answer:
|
C
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Consider password-based access control. Tick the \textit{incorrect} assertion.
A. Double hashing the password can help avoid the problems related to low-entropy passwords.
B. Salt can be used to thwart multi-target attacks.
C. Increasing the delay between authentication attempts can protect from online attacks.
D. Blocking the access after 10 unsuccessful authentication attempts can protect from online attacks.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
When both a dominant and recessive gene are present, the dominate what will be visible?
A. society
B. feature
C. person
D. path
Answer:
|
B
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
To how many plaintexts we expect to decrypt a ciphertext in the Rabin cryptosystem when we don't use redundancy?
A. 4.
B. 2.
C. 1.
D. 8.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Let $p$ and $q$ be two prime numbers and $n=pq$. Let $K_p=(e,n)$ and $K_s=(d,n)$ be the RSA public and private keys respectively. Recall that the encryption of a message $m$ is $c=m^e \bmod{n}$ and the decryption is $m=c^d \bmod{n}$. Which assertion is \emph{always true}?
A. $ed=1 \pmod{n}$
B. $ed=1 \pmod{\varphi(n)}$
C. $e=d \pmod{n}$
D. $e=d \pmod{\varphi(n)}$
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
You are using a 3-layer fully-connected neural net with \textbf{ReLU activations}. Your input data has components in [0, 1]. \textbf{You initialize your weights by sampling from $\mathcal{N}(-10, 0.1)$ (Gaussians of mean -10 and variance 0.1)}, and set all the bias terms to 0. You start optimizing using SGD. What will likely happen?
A. The gradient is 0 so nothing happens
B. The gradient is very large so the model can't converge
C. Training is fine, but our neural net does only as well as a linear model
D. Everything is fine
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Centrifuges use what to perform their task?
A. inertia
B. magnetism
C. absorption
D. jets
Answer:
|
A
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The level of atom activity where it reaches a moment where the solid state becomes more loose overall is referred to?
A. smoothness
B. water fluid
C. liquidity
D. fluid transport
Answer:
|
C
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is the advantage of using a salt in a password authentication protocol?
A. It protects against online attacks.
B. It avoids multi-target bruteforce attacks from the database.
C. It avoids single-target exhaustive search attacks from the database.
D. It makes the protocol more spicy.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Daughter cells divide by what?
A. nucleus
B. meiosis
C. electrolysis
D. mitosis
Answer:
|
B
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Considering the transaction below, which one is WRONG?
|Transaction ID |Items Bought|
|--|--|
|1|Tea|
|2|Tea, Yoghurt|
|3|Tea, Yoghurt, Kebap|
|4 |Kebap |
|5|Tea, Kebap|
A. {Yoghurt} -> {Kebab} has 50% confidence
B. {Yoghurt, Kebap} has 20% support
C. {Tea} has the highest support
D. {Yoghurt} has the lowest support among all itemsets
Answer:
|
D
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What uses the flow of electrons?
A. Typewriters
B. hydrogen and oxygen
C. an electron microscope
D. Electric devices
E. Manual devices
F. Bodies of water
G. circulatory systems
H. an electron lens
Answer:
|
D
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
When cutting down rain forests, it is important to keep in mind air quality. When too many trees are cut down in a given area, there may be decrease in the air's
A. quality
B. carbon dioxide
C. helium amounts
D. carbin dioyide levels
Answer:
|
A
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is the change of characteristics of living things over time?
A. evolution
B. spontaneous mutation
C. adaptation
D. generation
Answer:
|
A
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What tool do scientist's use to show the evolutionary pathways and connections among organisms?
A. superficial tree
B. phylogenetic tree
C. conceptual tree
D. photogenetic tree
Answer:
|
B
|
sciq
|
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