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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 $13$.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Bears dine on the some of the same things as
A. plants
B. eukaryotes
C. apes
D. amoebas
Answer: | C | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What causes weathering?
A. wildlife
B. evaporation
C. cotton
D. ocean water
E. light
F. salt and water.
G. hurricanes
H. erosion
Answer: | G | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
In which specific organs are hormonal cells located?
A. lymph nodes
B. mammary glands
C. spinal cord
D. endocrine glands
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
what are caused by the same reason that one side of the Earth receives less energy from the sun
A. car accidents
B. climate
C. Seasons
D. photons
E. meteor showers
F. sweating
G. carbon cycle
H. sunlight
Answer: | C | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What substance are physical objects are made of?
A. matter
B. gravity
C. energy
D. friction
Answer: | A | 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.
Modularity of a social network always:
A. Increases with the number of communities
B. Increases when an edge is added between two members of the same community
C. Decreases when new nodes are added to the social network that form their own communities
D. Decreases if an edge is removed
Answer: | B | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A light using energy can cease that activity when
A. light bulbs are gold
B. lights are always on
C. wall switch is adjusted
D. walls are painted blue
Answer: | C | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
In terms of the \textbf{bias-variance} decomposition, a 1-nearest neighbor classifier has \rule{2cm}{0.15mm} than a 3-nearest neighbor classifier.
A. higher variance
B. lower variance
C. higher bias
D. lower bias
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What do aquatic animals need to survive?
A. Water
B. gills
C. food
D. air
E. fishing
F. desert
G. history
H. warmth
Answer: | B | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What class of animals includes the subgroups rodents, carnivores, insectivores, bats, and primates?
A. amphibians
B. mammals
C. insects
D. reptiles
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 is false regarding K-means and DBSCAN?
A. K-means does not handle outliers, while DBSCAN does
B. K-means takes the number of clusters as parameter, while DBSCAN does not take any parameter
C. K-means does many iterations, while DBSCAN does not
D. Both are unsupervised
Answer: | B | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What might puppies and kitties have?
A. They have thick fur
B. leeches
C. Animal fur
D. fur and fat
E. sensory neurons
F. parasitic snakes
G. crickets
H. parasitic worms
Answer: | H | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What term describes a specific statement that is thought to be never violated by the entire natural universe?
A. hypothesis
B. theory
C. evidence
D. scientific law
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
(SVD) The set of singular values of any rectangular matrix $\mathbf{X}$ is equal to the set of eigenvalues for the square matrix $\mathbf{X X}^{\top}$.
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.
Biomass can also be processed to make what kind of fuel?
A. fossil
B. hydrogen fuel
C. biofuel
D. gasoline
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A breathing mask can prevent what kind of particle from entering the lung?
A. light
B. harmful
C. rabies
D. A virus
E. x-ray
F. deadly
G. ion
H. small
Answer: | H | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Where do organic molecules in beef store energy?
A. it needs them
B. chemical bonds
C. fur and fat
D. aqueous solution
E. sunlight
F. It gets heated up
G. glucose
H. layers of fat
Answer: | B | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What can change atmospheric nitrogen into a form used by plants?
A. Conifers
B. mutations
C. Collagen
D. earthworm
E. sugar
F. Enzymes
G. spores
H. wind
Answer: | G | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
what can keep you warm?
A. toenails
B. warmth
C. skin
D. nails
E. wings
F. fingers
G. fur
H. hair
Answer: | H | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What has a water vascular system with tube feet?
A. humans
B. blastoids
C. bushes
D. orchids
E. Most plants
F. ferns
G. bacteria
H. the Sun
Answer: | B | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Events like thunderstorms and _______ can cause animals to leave an environment.
A. car crashes
B. solar eclipses
C. more available food
D. tsunamis
Answer: | D | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
In vascular plants, what two basic structures are made of dermal, vascular, and ground tissues?
A. roots and stems
B. fruits and nuts
C. roots and seed
D. stems and flowers
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} 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.
The test loss of the 1-nearest neighbor classifier is always zero.
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.
What shows that the Earth being tilted on its axis causes ones side of the Earth to receive less energy from the Sun than the other side?
A. summer in the USA, winter in Australia
B. snow will be on the North Pole instead of the South Pole
C. seasonal changes take place
D. some countries are warmer than others
Answer: | A | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The three types of mammals are characterized by their method of what?
A. specializaiton
B. pattern
C. reproduction
D. differentiation
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Even though tellurium does indeed have a greater average atomic mass than iodine, it is properly placed before iodine in the?
A. theory table
B. phases table
C. cycles table
D. periodic table
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What converts chemical energy into light energy?
A. A compound that donates proton
B. deadly and devastating
C. the simplest of green plants
D. electron transport
E. Something invented by David Misell
F. it helps plants in growing
G. the production of heat
H. hydrogen and oxygen
Answer: | E | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Most ferns produce the same type of spores and are therefore called what?
A. sporozoans
B. homosporous
C. heterosporous
D. seeds
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 has the worst effect on water quality?
A. bacteria
B. Pesticides
C. fossil fuels
D. deforestation
E. cars and trucks
F. humans disturb it
G. flooding
H. Destroy bridges
Answer: | E | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is the worst case complexity of listing files in a directory? The file system implements directories as hash-tables.
A. $O(1)$
B. $O(number of direntries in the directory)$
C. $O(size of the file system)$
D. $O(number of direntries in the file system)$
E. $O(log(number of direntries in the directory))$
Answer: | B | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is biomass made into fuel called?
A. toxic fuel
B. renewable fuel
C. benign fuel
D. bio fuel
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
what helps insulate and protect the body?
A. h2o
B. living cells in follicles
C. layers of fat
D. it has a positive impact on it
E. viruses
F. parasites
G. They have thick fur
H. with their fur
Answer: | B | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
what has a negative impact on the environment?
A. forest is destroyed
B. habitats
C. animals
D. oxygen
E. deforestation
F. movements in the earth's crust
G. harmful substances
H. hydrocarbon emissions
Answer: | H | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Consider an array $A[1,\ldots, n]$ consisting of the $n$ distinct numbers $1,2, \ldots, n$. We are further guaranteed that $A$ is almost sorted in the following sense: $A[i] \neq i$ for at most $\sqrt{n}$ values of $i$. What are tight asymptotic worst-case running times for Insertion Sort and Merge Sort on such instances?
A. It is $\Theta(n + \sqrt{n}\log n)$ for Merge Sort and $\Theta(n)$ for Insertion Sort.
B. It is $\Theta(n \log n)$ for Merge Sort and $\Theta(n^2)$ for Insertion Sort.
C. It is $\Theta(n + \sqrt{n}\log n)$ for Merge Sort and $\Theta(n^{3/2})$ for Insertion Sort.
D. It is $\Theta(n + \sqrt{n}\log n)$ for Merge Sort and $\Theta(n^2)$ for Insertion Sort.
E. It is $\Theta(n \log n)$ for Merge Sort and $\Theta(n)$ for Insertion Sort.
F. It is $\Theta(n \log n)$ for Merge Sort and $\Theta(n^{3/2})$ for Insertion Sort.
Answer: | F | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which one of these digital signature schemes is \emph{not} based on the Discrete Log problem?
A. DSA
B. ECDSA
C. Pointcheval-Vaudenay
D. PKCS\#1v$1.5$
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What instrument has a resolution many times greater than a light microscope, and can be used to see the details on the outside of a cell?
A. element microscope
B. electron microscope
C. complex microscope
D. molecular microscope
Answer: | B | 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.
For the number of times the apriori algorithm and the FPgrowth algorithm for association rule mining are scanning the transaction database the following is true
A. fpgrowth has always strictly fewer scans than apriori
B. fpgrowth and apriori can have the same number of scans
C. apriori cannot have fewer scans than fpgrowth
D. all three above statements are false
Answer: | B | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Let $X$ be a plaintext and $Y$ its ciphertext. Which statement is \textbf{not} equivalent to the others?
A. the encyption scheme provides perfect secrecy
B. only a quantum computer can retrieve $X$ given $Y$
C. $X$ and $Y$ are statistically independent random variables
D. the conditionnal entropy of $X$ given $Y$ is equal to the entropy of $X$
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Let $N=3\cdot5\cdot13$. Then a quadratic residue in $\mathbb{Z}_N^*$ has
A. $2$ square roots.
B. $3$ square roots.
C. $6$ square roots.
D. $8$ square roots.
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 is WRONG about inverted files? (Slide 24,28 Week 3)
A. The space requirement for the postings file is O(n)
B. Variable length compression is used to reduce the size of the index file
C. The index file has space requirement of O(n^beta), where beta is about 1⁄2
D. Storing differences among word addresses reduces the size of the postings file
Answer: | B | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
if a plant shows up in a new place, what might have happened?
A. the plant is able to relocate itself
B. it spontaneously appeared there
C. it walked to the new place
D. its cased embryo have been dispersed
Answer: | D | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Why would a bear eat so much that his fat wobbles when he walks?
A. so that other animals can have fun jumping on his belly
B. because he feels depressed
C. to be a bigger target for hunters
D. to prepare for the snowy season
Answer: | D | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Some metabolic pathways release what by breaking down complex molecules to simpler compounds?
A. fat
B. energy
C. water
D. hydrogen
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Using salt for UNIX passwords \ldots
A. allows to speed up the verification for the server.
B. makes the protocol secure against computationally unbounded adversary.
C. allows to transmit the password over a non confidential channel without compromising the security.
D. helps preventing dictionary attacks.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Tuna have been shown to contain high levels of what metal?
A. iron
B. cadmium
C. mercury
D. titanium
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Moss can cause the breakdown of what?
A. water
B. mushrooms
C. Limbs
D. rocks
E. cactus
F. tissue
G. biome
H. Engine
Answer: | D | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Given that $100000000003$ is prime, what is the cardinality of $\mathbf{Z}_{200000000006}^*$?
A. $2$
B. $100000000002$
C. $100000000003$
D. $200000000006$
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Consider the following CF grammar \(G_1\)
\( R_1: \text{S} \rightarrow \text{NP VP} \)
\( R_2: \text{S} \rightarrow \text{NP VP PNP} \)
\( R_3: \text{PNP} \rightarrow \text{Prep NP} \)
\( R_4: \text{NP} \rightarrow \text{N} \)
\( R_5: \text{NP} \rightarrow \text{Det N} \)
\( R_6: \text{NP} \rightarrow \text{Det N PNP} \)
\( R_7: \text{VP} \rightarrow \text{V} \)
\( R_8: \text{VP} \rightarrow \text{V NP} \)
(where \(\text{Det}\), \(\text{N}\), \(\text{Prep}\) and \(\text{V}\) are the only pre-terminals), complemented by an adequate lexicon \(L_1\).Assume that the grammar \(G_1\) has been associated with a valid choice of probabilistic coefficients, but then needs to be converted into an equivalent SCFG in extended Chomsky Normal form.Is it possible to derive the stochastic coefficients of the grammar resulting from the conversion from the ones of \(G_1\)?
A. Yes
B. No
C. It depends on how the conversion has been done.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Being able to enjoy eating Mideastern dates in a small town in the USA is possible because
A. transporting food became easier, cheaper, and quicker
B. transporting food pays better
C. transported food tastes great
D. fresh food is better than transported food
Answer: | A | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Water can cause what?
A. flooding
B. Dehydration
C. depositon
D. Pollution
E. contamination
F. Heat energy
G. friction
H. evaporation
Answer: | C | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What are some of the steps that forms a lake?
A. decomposition and respiration
B. storing water
C. photosynthesis and solar energy
D. near the shoreline
E. precipitation and run-off
F. perspiration and excretion
G. The area was once underwater
H. At the peak of a mountain
Answer: | E | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Prokaryotes are successful because of the ________ of reproduction in favorable environments
A. order
B. cycle
C. volume
D. speed
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
what adults are barrel-shaped?
A. offspring
B. fertile
C. barnacles
D. Length
E. insects
F. sea squirts
G. humans
H. beer
Answer: | F | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The mass of ground sliding down an embankment can be propagated by what?
A. a storm
B. forest fires
C. global warming
D. trees growing
Answer: | A | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Persistent drought and food shortages can cause animals to leave what?
A. their hosts
B. that owner
C. that shelter
D. circulatory systems
E. dormant state
F. that environment
G. that ecology
H. Localized damage
Answer: | F | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is moving air called?
A. clouds
B. steam
C. wind
D. humidity
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Consider a binary classification problem with classifier $f(\mathbf{x})$ given by $$ f(\mathbf{x})= \begin{cases}1, & g(\mathbf{x}) \geq 0 \\ -1, & g(\mathbf{x})<0\end{cases} $$ and $\mathbf{x} \in \mathbb{R}^{6}$. Consider a specific pair $(\mathbf{x}, y=1)$ and assume that $g(\mathbf{x})=8$. In particular this means that this point is classified correctly by $f$. Assume further that we have computed the gradient of $g$ at $\mathbf{x}$ to be $\nabla_{\mathbf{x}} g(\mathbf{x})=(+1,-2,+3,-4,+5,-6)$. You are allowed to make one step in order to (hopefully) find an adversarial example. In the following four questions, assume $\epsilon=1$. Which offset $\delta$ with $\|\delta\|_{1} \leq 1$ yields the smallest value for $g(\mathbf{x}+\delta)$, assuming that $g$ is (locally) linear?
A. $(0,0,0,0,0,1)$
B. $(+1,-1,+1,-1,+1,-1)$
C. $(+1,-2,+3,-4,+5,-6)$
D. $(+1,+1,+1,+1,+1,+1)$
E. $(-1,+2,-3,+4,-5,+6)$
F. $(0,0,0,0,0,1)$
G. $(-1,+1,-1,+1,-1,+1)$
H. $(-1,-1,-1,-1,-1,-1)$
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
In Machine Learning, we want to learn the \textbf{parameters W} for the mapping function f: $y=f(x,W) +\epsilon$ where x is the input, y the output, and $\epsilon$ the error term.\\
(One or multiple answers)
A. When f: $R \rightarrow \{1,..N\}$, it is a classification task
B. When f: $R^M \rightarrow \{1,..N\}$, it is a classification task
C. When f: $R^M \rightarrow R$, it is a classification task
D. When f: $R^M \rightarrow R$, it is a regression task
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What can regrow sections that they have lost?
A. leeches
B. alveoli
C. crocodiles
D. vegetation
E. a fish
F. bacteria
G. barnacles
H. sharks
Answer: | A | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Why do comet tails always point away from the sun instead of trailing behind the comet?
A. dust particles recoil
B. dust particles evaporate
C. dust particles liquify
D. dust particles attract
Answer: | A | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Most taste buds on the tongue are associated with nipple-shaped projections called what?
A. antennae
B. papillae
C. mucosa
D. cilia
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Tick the \textbf{incorrect} assertion regarding WEP and WPA2.
A. WPA2 seems to be more secure than WEP.
B. WPA2 seems to ensure confidentiality.
C. WPA2 uses AES.
D. WEP seems to ensure message integrity.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The majority of cells in blood are erythrocytes or?
A. Deep Blood Cells
B. 50.3 blood cells
C. s.a blood cells
D. red blood cells
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Reef sponges typically have what type of beneficial relationships with other reef species?
A. parasitic
B. symbiotic
C. microbes
D. mutual
Answer: | B | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What animal increases plants genetic diversity?
A. Reproduction
B. Plant reproduction
C. flowers
D. Hummingbirds
E. fish
F. whales
G. sharks
H. animals
Answer: | D | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Let $f:\R^D
ightarrow\R$ be an $L$-hidden layer multi-layer perceptron (MLP) such that
\[
f(xv)=\sigma_{L+1}ig(\wv^ op\sigma_L(\Wm_L\sigma_{L-1}(\Wm_{L-1}\dots\sigma_1(\Wm_1xv)))ig),
\]
with $\wv\in\R^{M}$, $\Wm_1\in\R^{M imes D}$ and $\Wm_\ell\in\R^{M imes M}$ for $\ell=2,\dots, L$, and $\sigma_i$ for $i=1,\dots,L+1$ is an entry-wise activation function. For any MLP $f$ and a classification threshold $ au$ let $C_{f, au}$ be a binary classifier that outputs YES for a given input $xv$ if $f(xv) \leq au$ and NO otherwise. space{3mm}
Which of the following techniques do \emph{not} improve the generalization performance in deep learning?
A. Data augmentation
B. L2 regularization
C. Dropout
D. Tuning the optimizer
E. None. All techniques here improve generalization.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Normal body temperature is ideal for most of what type of reactions?
A. biochemical
B. gas
C. theoretical
D. plasma
Answer: | A | sciq |
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.
Twenty four hours contains one
A. high tide
B. 4 million seconds
C. solar cycle
D. week
Answer: | C | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Desert lizards may sometimes appear as
A. buildings
B. rock particles
C. trees
D. cement
Answer: | B | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The force of water against the seed coat causes
A. dormant state
B. Regrows it
C. peachleaf willow
D. warmth
E. erosion
F. squeeze
G. cactuses
H. germination
Answer: | H | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
How does evaporation benefit your body?
A. water conservation
B. digestion
C. vaporization
D. lowered energy cost
E. cools it down
F. attacks foreign bodies
G. storing water
H. reproduction
Answer: | E | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Let $C$ be a permutation over $\left\{ 0,1 \right\}^p$. Tick the \emph{incorrect} assertion:
A. $\text{DP}^C(a,0) = 1$ for some $a \neq 0$.
B. $\text{DP}^C(0,b) = 0$ for some $b \neq 0$.
C. $\sum_{b \in \left\{ 0,1 \right\}^p}\text{DP}^C(a,b) = 1$ for any $a\in \left\{ 0,1 \right\}^p$.
D. $2^p \text{DP}^C(a,b) \bmod 2 = 0$, for any $a,b\in \left\{ 0,1 \right\}^p$.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Iron can be found on
A. rocky areas
B. ants
C. wizards
D. unicorns
Answer: | A | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What can cause an object's speed to slow?
A. vehicles
B. wind
C. mechanical
D. heat energy
E. pressure
F. Temperature
G. energy
H. Solar energy
Answer: | E | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
what can change about leaves during a drought?
A. oak
B. branch
C. corn
D. bushes
E. intelligence
F. color
G. size
H. form
Answer: | F | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Consider an Sbox $S:\{0,1\}^m \rightarrow \{0,1\}^m$. We have that \ldots
A. $\mathsf{DP}^S(0,b)=1$ if and only if $S$ is a permutation.
B. $\sum_{b\in \{0,1\}^m} \mathsf{DP}^S(a,b)$ is even.
C. $\sum_{b\in \{0,1\}^m \backslash \{0\}} \mathsf{DP}^S(0,b)= 0$
D. $\mathsf{DP}^S(0,b)=1$ if and only if $m$ is odd.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What are flower cell walls made of?
A. cellular
B. lmestone
C. cellulitis
D. strong
E. cellulose
F. cellulite
G. heat energy
H. acetic acid
Answer: | E | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which would freeze last?
A. a thimble of water
B. a pond of water
C. a glass of water
D. an ocean of water
Answer: | D | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which of the following statements about mitigations are correct?
A. Control-Flow Integrity can efficiently protect the forward edge
but, when using target sets, is limited on the backward edge
B. Code-Pointer Integrity (specifically the implementation
described in the slides) uses a separate stack to protect code
pointers.
C. Shadow stacks can be implemented in software with zero
overhead.
D. Safe stacks protect against corruption of all data on the
stack.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Let us assume that a kernel $K: \mathcal{X} \times \mathcal{X} \rightarrow \mathbb{R}$ is said to be valid if there exists $k \in \mathbb{N}$ and $\Phi: \mathcal{X} \rightarrow \mathbb{R}^{k}$ such that for all $\left(x, x^{\prime}\right) \in \mathcal{X} \times \mathcal{X}, K\left(x, x^{\prime}\right)=\Phi(x)^{\top} \Phi\left(x^{\prime}\right)$ Which one of the following kernels is not valid ?
A. $\mathcal{X}=\mathbb{N}, K\left(x, x^{\prime}\right)=2$
B. $\mathcal{X}=\mathbb{R}^{d}, K\left(x, x^{\prime}\right)=\left(x^{\top} x^{\prime}\right)^{2}$
C. $\mathcal{X}=\mathbb{R}, K\left(x, x^{\prime}\right)=\cos \left(x-x^{\prime}\right)$
D. All of the proposed kernels are in fact valid.
E. $\mathcal{X}=\mathbb{Q}, K\left(x, x^{\prime}\right)=2^{x+x^{\prime}}$
F. $\mathcal{X}=\mathbb{R}^{d}, K\left(x, x^{\prime}\right)=x^{\top} A x^{\prime}$, where $A$ is a $d \times d$ symmetric positive semi-definite matrix.
Answer: | D | m1_preference |
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.
what have a circulatory system?
A. protist
B. fur seals
C. veins
D. mammals
E. animals
F. bacteria
G. mussels
H. sharks
Answer: | G | qasc |
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 $\mathcal{A} = \{a, b, c, d, e, f\}$. Consider the following encoding $\Gamma$ over a code alphabet $\mathcal{D}$ of size $D$ with the following codeword lengths: egin{center} egin{tabular}{ |c|c|c|c|c|c|c| } \hline & $a$ & $b$ & $c$ & $d$ & $e$ & $f$ \ \hline $l(\Gamma(\cdot))$ & 1 & 1 & 1 & 2 & 2 & 4 \ \hline \end{tabular} \end{center} True or false: If $D=3$ then $\Gamma$ is extbf{not} uniquely-decodable
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 man plugs his television into an outlet behind a cabinet. He sees that the television may now be turned on so that he can watch his favorite show. The man knows that by hooking the t.v. cord into the outlet
A. he completed a lap
B. he made a good deal
C. he invented new circuits
D. he completed a circuit
Answer: | D | openbookqa |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which of the following graph analysis techniques do you believe would be most appropriate to identify communities on a social graph?
A. Cliques
B. Random Walks
C. Shortest Paths
D. Association rules
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The number of parameters of the fasttext classifier and the simple self-attention classifier
A. Are the same
B. Fasttext has more
C. Self-attention has more
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
heat causes
A. heating liquids
B. energy of moving objects
C. global warming
D. insects to hatch
E. sweating
F. electricity
G. Greenhouse gases
H. kinetic energy
Answer: | D | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Select all the statements that are true.A penalty will be applied for any incorrect answers selected.
A. The Luhn law states that if a set of words are ranked by the decreasing order of their frequencies, the high-ranked words are the best features for identifying the topics that occur in the document collection.
B. The order of words are ignored in the bag-of-words model.
C. High values of document frequency means that the word is not very discriminative.
D. Documents that are orthogonal to each other gives a cosine similarity measure of 1.
E. Cosine similarity is independent of the length of the documents.
Answer: | A | m1_preference |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Heat, electricity, or light might provide what necessary input to the process of decomposition?
A. food
B. source
C. energy
D. material
Answer: | C | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What can prevent food spoilage?
A. prolactin release
B. one celled organisms
C. hydrating food
D. cleaning food
E. airing out food
F. Electric generators
G. a hydraulic system
H. dehydrating food
Answer: | H | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What type of alloys are used in musical instruments?
A. copper
B. bronze
C. plastics
D. brass
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What are attached permanently?
A. Veins and arteries.
B. sensory neurons
C. barnacles
D. tadpoles
E. seahorses
F. alligators
G. adult sponges
H. an organism's body
Answer: | G | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
If what are found in permafrost, that plant used to live in that place?
A. Echinoids
B. Conifers
C. deuterostomes
D. bullfrogs
E. frozen fossils
F. one celled organisms
G. Nematoda
H. important habitats
Answer: | E | qasc |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is it called when one or more ending digits are dropped to get the correct number of significant figures?
A. turning
B. basing
C. scientific notation
D. rounding
Answer: | D | sciq |
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
In the case of the wheelbarrow, the output force or load is between the pivot and the what?
A. input force
B. velocity force
C. density force
D. Driving Force
Answer: | A | sciq |
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