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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.
There are three basic types of hormones: lipid-derived, amino acid-derived, and what?
A. secreted
B. peptide
C. manipulated
D. acidic
Answer:
|
B
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The sun contributes what to ecosystems?
A. sun spot
B. energy
C. darkness
D. seeds
E. positive
F. photons
G. Nutrients
H. Energy.
Answer:
|
B
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which of the following interferes with the assembly of proteins?
A. flow of electrons
B. Electric devices
C. Smoking
D. dry conditions
E. saturated fats
F. Humans
G. palm oil
H. Azathioprine.
Answer:
|
H
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What fails to work during a power outage?
A. an electric fan
B. a hand pump
C. a campfire
D. a baseball bat
Answer:
|
A
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
which one of these places would a person have the least need for a clothes dryer?
A. in the tropical rain forest
B. in a humid cave
C. in the hot desert
D. in a wet town
Answer:
|
C
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
evaporation causes what to form in the atmosphere
A. a solute
B. sunlight
C. carbon dioxide molecules
D. clouds
E. solar radiation
F. high pressure areas
G. heat
H. energy
Answer:
|
D
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
An animal usually weighs the most if it has eaten
A. a salad plate of food
B. a truck full of food
C. a dinner plate of food
D. a barrel of food
Answer:
|
B
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Select the statements that are true.A penalty will be applied to any incorrect answers selected.
A. Information retrieval is the selection of documents relevant to a query from an unstructured collection of documents.
B. Different IR systems can differ in the way they represent documents, represent queries, and define the relevance measure between documents and queries.
C. The vector space model represents documents as vectors derived from the distribution of indexing terms in the document.
D. The dimensionality of the vector space does not depend on the size of the indexing vocabulary.
E. Use of filters during indexing results in less informative indexes.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
How does a fan cause air to move?
A. direct energy
B. It cools down
C. Vanes stand still
D. electrically
E. It heats up
F. Vanes spin
G. kinetic energy
H. energy
Answer:
|
F
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
In general, what is true regarding Fagin's algorithm?
A. It performs a complete scan over the posting files
B. It provably returns the k documents with the largest aggregate scores
C. Posting files need to be indexed by the TF-IDF weights
D. It never reads more than (kn)½ entries from a posting list
Answer:
|
B
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
How does LSI querying work?
A. The query vector is treated as an additional term; then cosine similarity is computed
B. The query vector is transformed by Matrix S; then cosine similarity is computed
C. The query vector is treated as an additional document; then cosine similarity is computed
D. The query vector is multiplied with an orthonormal matrix; then cosine similarity is computed
Answer:
|
C
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is a potential outcome of genetic mutation?
A. HIV
B. albino
C. anemia
D. pizza eating turtles
E. genealogy
F. SNPs
G. biology
H. death
Answer:
|
F
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What do cranberries need for production?
A. disease
B. seeds
C. bees
D. food
E. blueberries
F. leaves
G. energy
H. wind pollination
Answer:
|
C
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
a wren building a home is an example of what type of behavior
A. good
B. inherited
C. learned
D. bad
Answer:
|
B
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Viruses may damage or kill cells by causing the release of hydrolytic enzymes from where?
A. capillaries
B. lipids
C. glands
D. lysosomes
Answer:
|
D
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What causes the pull of gravity?
A. layers of fat
B. Earth's mass
C. Time and energy
D. flow of electrons
E. kinetic energy
F. friction
G. an object
H. heat energy
Answer:
|
B
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
In Bluetooth, the link key $K_{link}$ is ...
A. used to generate an epheremal key $K_{init}$.
B. not used to generate the encryption key.
C. used to authenticate devices.
D. the input to the pairing protocol.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Spontaneous reactions release what type of energy, meaning it is available to do work?
A. radioactive energy
B. kinetic energy
C. free energy
D. potential energy
Answer:
|
C
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What does the presence of gill slits suggest about humans and fish?
A. Same evolutionary chain
B. common ancestor
C. Shared History
D. Common Cells
Answer:
|
B
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A person finishes drinking a bottle of water and notices that at the bottom of the bottle is a small symbol, consisting of three arrows in a triangular shape. This symbol tells the person that they should
A. have it reprocessed
B. burn the bottle
C. reuse the bottle
D. remake the bottle
Answer:
|
A
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What balances the soil?
A. rivers
B. salinity
C. nutrients
D. heat
E. compost
F. Earthworms
G. roundworms
H. Annelids
Answer:
|
E
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Freezing point is best represented by
A. ice sculpture
B. glass of water
C. flowing rivers
D. water falls
Answer:
|
A
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A word embedding for given corpus
A. depends only on the dimension d
B. depends on the dimension d and number of iterations in gradient descent
C. depends on the dimension d, number of iterations and chosen negative samples
D. there are further factors on which it depends
E.
Answer:
|
D
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Tick the \emph{correct} statement. $\Sigma$-protocols \ldots
A. are defined for any language in \textrm{PSPACE}.
B. have a polynomially unbounded extractor that can yield a witness.
C. respect the property of zero-knowledge for any verifier.
D. consist of protocols between a prover and a verifier, where the verifier is polynomially bounded.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
cooking food requires adding what?
A. frozen water
B. scorching power
C. coldness
D. air
Answer:
|
B
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The Shannon theorem states that perfect secrecy implies...
A. $H(K)=H(X)$
B. $H(Y)\geq H(X)$
C. $H(K)\geq H(X)$
D. $H(Y)\leq H(X)$
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is a simple sugar such as fructose or glucose?
A. monosaccharide
B. disaccharide
C. galactose
D. polysaccharides
Answer:
|
A
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A fibrod, wart and, cancer are all forms of what cell?
A. Something coming from a gland
B. remains of prehistoric life
C. cells divide uncontrolled
D. sub-units of species
E. deadly and devastating
F. the body's largest organ
G. share properties
H. cause people to become sick.
Answer:
|
C
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What does treating water remove before drinking it?
A. direct damage to the lungs
B. h2o
C. an area swollen with pus
D. chlorine, pesticides, heavy metals
E. molecules
F. vapor
G. Mutagenic chemicals
H. nonliving organic matter
Answer:
|
D
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A Carmichael number $n$ ...
A. is a prime number.
B. will always pass Fermat's test for any $0 < b < n$.
C. verifies that $\forall b$, $\mathsf{gcd}(b,n)=1$ implies that $b^{n-1} \equiv 1 \ \pmod n $.
D. will be considered as a prime by the Miller-Rabin algorithm.
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 1â2
D. Storing differences among word addresses reduces the size of the postings file
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
astronauts require what food for extended flights?
A. Echinoderm.
B. layers of fat
C. dehydrated
D. fresh
E. hand picked
F. nutrients
G. frozen
H. hydration
Answer:
|
C
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
You write a Python code to optimize the weights of your linear regression with 10 features \textbf{using gradient descent} for 500 epochs. What is the minimum number of for-loops you need to perform your optimization?
A. Two for-loops, one to iterate over the weights and the other to iterate over the epochs
B. Only one for-loop to iterate over the epochs.
C. Only one for-loop to iterate over the weights.
D. No for-loop is really necessary. Everything can be vectorized
Answer:
|
B
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
We report the final performance (e.g., accuracy) on the ...
(One answer)
A. training
B. validation
C. test
D. all the data together
Answer:
|
C
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What decreases in an environment as the amount of rain increases?
A. solar light
B. water
C. rivers
D. hydration
Answer:
|
A
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Exemplified by canada and alaska, what kind of climate has cool, short summers and long, cold winters, little precipitation, and abundant conifers?
A. subarctic climate
B. temperate climate
C. tropical climate
D. droughts climate
Answer:
|
A
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is used to carry out metric unit conversions?
A. mechanical analysis
B. metric analysis
C. calculation analysis
D. dimensional analysis
Answer:
|
D
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
what feed on dead organisms?
A. viruses
B. insects
C. Most plants
D. fish
E. bacteria
F. chickens
G. matter
H. animals
Answer:
|
E
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Thee dominant trait will always be visible when
A. either are missing
B. both are missing
C. both are present
D. the recessives present
Answer:
|
C
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is the name for a matter that has a fixed volume and a fixed shape?
A. liquid
B. stable
C. solid
D. gas
Answer:
|
C
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The number of non-zero entries in a column of a term-document matrix indicates:
A. how many terms of the vocabulary a document contains
B. how often a term of the vocabulary occurs in a document
C. how relevant a term is for a document
D. none of the other responses is correct
Answer:
|
D
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
When a test fails, it means that:
A. either the program under test or the test itself has a bug, or both.
B. the program under test has a bug.
C. the test is incorrect.
D. that both the program and the test have a bug.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What are non-steroid hormones made of?
A. Molecules
B. proteins
C. fats
D. amino acids
Answer:
|
D
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What kind of volcanoes often form along divergent plate boundaries?
A. crest
B. dome
C. shield
D. composite
Answer:
|
C
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What term describes the number and kinds of species in a location or on the planet?
A. biodiversity
B. habitat
C. Allopatric speciation
D. ecosystem
Answer:
|
A
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
what can be found in moist soil near rivers and steams in tropical regions?
A. ferns
B. insects
C. humans
D. cobra bobo
E. storing water
F. weathering
G. animals
H. clouds
Answer:
|
D
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
what enters the egg?
A. DNA
B. flow of electrons
C. insects
D. Chemical energy
E. fallopian tube
F. sperm nuclei
G. acid
H. pollen
Answer:
|
F
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What does the digestive system break down into simple substances?
A. metals
B. stones
C. plastic food
D. nutriment
Answer:
|
D
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
How can behavior be learned?
A. by inheriting them
B. competition
C. An object is seen
D. by staying away from others
E. by ignoring others
F. Riding a bike
G. firm hugs
H. through games
Answer:
|
H
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
At what point is water on the ph scale?
A. 14, basic
B. 0, very acidic
C. 3, acidic
D. neutrality, 7
Answer:
|
D
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What means breaking down boulders by weather?
A. vehicles
B. weathering
C. erosion
D. mechanical
E. flooding
F. earthquake
G. hurricanes
H. tremors
Answer:
|
B
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Let \( P(n) \) be a proposition for a positive integer \( n \) (positive integers do not include 0).
You have managed to prove that \( orall k > 2, \left[ P(k-2) \wedge P(k-1) \wedge P(k)
ight]
ightarrow P(k+1) \).
You would like to prove that \( P(n) \) is true for all positive integers. What is left for you to do ?
A. None of the other statement are correct.
B. Show that \( P(1) \) and \( P(2) \) are true, then use strong induction to conclude that \( P(n) \) is true for all positive integers.
C. Show that \( P(1) \) and \( P(2) \) are true, then use induction to conclude that \( P(n) \) is true for all positive integers.
D. Show that \( P(1) \), \( P(2) \) and \( P(3) \) are true, then use strong induction to conclude that \( P(n) \) is true for all positive integers.
Answer:
|
D
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
About how full is the outer energy level in metalloids?
A. half full
B. nearly empty
C. three-fourth full
D. a quarter full
Answer:
|
A
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Because atoms have equal numbers of positive protons and negative electrons, what kind of electric charge do they possess?
A. negative
B. neutral
C. positive
D. none
Answer:
|
B
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What happens when chemical bonds in a burning log break?
A. release heat
B. remove heat
C. hold heat
D. decrease heat
Answer:
|
A
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
When a river floods, that river harms what?
A. most organisms
B. Basic units of the plant body.
C. streams and volcanoes
D. mountains and lakes
E. farm and grazing lands
F. oceans and ponds
G. swamp vegetation
H. Plant growth is reduced
Answer:
|
E
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What can happens when athletes are hot?
A. competition
B. freezing
C. heating liquids
D. dehydration
E. vaporization
F. it can be seen
G. second-degree burns
H. melting
Answer:
|
D
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The number of non-zero entries in a column of a term-document matrix indicates:
A. how many terms of the vocabulary a document contains
B. how often a term of the vocabulary occurs in a document
C. how relevant a term is for a document
D. none of the other responses is correct
Answer:
|
D
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The number of non-zero entries in a column of a term-document matrix indicates:
A. how many terms of the vocabulary a document contains
B. how often a term of the vocabulary occurs in a document
C. how relevant a term is for a document
D. none of the other responses is correct
Answer:
|
D
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What are used for sensing sound in animals?
A. in the frog family
B. four limbs
C. non-functioning ears
D. noses
E. eyes
F. chemical messengers
G. Electrical energy
H. functioning ears
Answer:
|
H
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is the inverse of 28 in $\mathbf{Z}_{77}$?
A. $0$
B. $1$
C. $36$
D. $49$
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What are nearly microscopic?
A. all invertebrates
B. planets
C. some invertebrates
D. remains of prehistoric life
E. barnacles
F. Veins and arteries.
G. major threat to health
H. all vertebrates
Answer:
|
C
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which plant absorbs the most sunlight?
A. the one that dates grow on
B. the one that eats insects
C. the one that grows in the tundra
D. the one that ladybugs like the best
Answer:
|
A
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What can cause flooding?
A. Tropical
B. fire
C. solar panels
D. Pesticides
E. hurricanes
F. windmills
G. erosion
H. rainfall
Answer:
|
E
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
KEM/DEM refers to\dots
A. an encryption scheme.
B. a digital signature scheme.
C. a commitment scheme.
D. a hash function.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
_ have motility
A. amoebae
B. plants
C. properties
D. minerals
E. fungi
F. movement
G. hydration
H. complex
Answer:
|
A
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Let $X$ and $K$ be two independent random variables in a group $G$ with $n$ elements and where $K$ is uniformly distributed over $G$. Let $Y = X+K$. Then, for any $y\in G$, $\Pr[Y=y]=$\dots
A. $1/n$.
B. $\Pr[X=y]$.
C. $1/n^2$.
D. $1/(n-1)$.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
In JOS, suppose one Env sends a page to another Env. Is the page copied?
A. Yes
B. No
Answer:
|
B
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Let $C$ be a perfect cipher with $\ell$-bit blocks. Then, \dots
A. for $x_1 \neq x_2$, $\Pr[C(x_1) = y_1, C(x_2)=y_2] = \frac{1}{2^{2\ell}}$.
B. the size of the key space of $C$ should be at least $(2^{\ell}!)$.
C. given pairwise independent inputs to $C$, the corresponding outputs are independent and uniformly distributed.
D. $C$ has an order $3$ decorrelation matrix which is equal to the order $3$ decorrelation matrix of a random function.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
If a person wants to move heat quickly, they could use the sun's warmth. The best thing for absorbing it would be
A. a brass sheet
B. a wool cap
C. a rubber duck
D. a plastic ball
Answer:
|
A
|
openbookqa
|
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.
What better ability has a positive impact on an animal's survival?
A. traits
B. detect crimes
C. detect blankets
D. four limbs
E. sensory neurons
F. detect odors
G. it can be seen
H. detect internet
Answer:
|
F
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A multiset is an unordered collection where elements can appear multiple times. We will represent a multiset of Char elements as a function from Char to Int: the function returns 0 for any Char argument that is not in the multiset, and the (positive) number of times it appears otherwise: type Multiset = Char => Int The filter operation on a multiset m returns the subset of m for which p holds. What should replace ??? so that the filter function is correct? def filter(m: Multiset, p: Char => Boolean): Multiset = ???
A. x => if m(x) then p(x) else 0
B. x => m(x) && p(x)
C. x => if !m(x) then p(x) else 0
D. x => if p(x) then m(x) else 0
Answer:
|
D
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which of the following statement(s) is/are true about CFI?
A. When producing valid target sets, missing a legitimate target is unacceptable.
B. CFI’s checks of the valid target set are insufficient to protect every forward edge control-flow transfer
C. Keeping the overhead of producing valid target sets as low as possible is crucial for a CFI mechanism.
D. CFI prevents attackers from exploiting memory corruptions.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What substance found in rocks shares it's name with an object which can take wrinkles from an item worn on the body to cover the skin from the elements?
A. Iron
B. Stove
C. Copper
D. Steamer
Answer:
|
A
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What happens to the mass number during a nuclear decay process by positron emission?
A. it decreases
B. it increases
C. remains unchanged
D. it rises
Answer:
|
C
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is produced by leydig cells in the embryonic testis and stimulates the development of male sexual organs?
A. testosterone
B. androgen
C. insulin
D. estrogen
Answer:
|
A
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Peat is an important factor when
A. Driving a new car
B. Putting a fresh raspberry seed in soil
C. Taking the temperature for the day
D. Having a large breakfast
Answer:
|
B
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What converts food into electrical energy?
A. transportation technology
B. windmills
C. matter vibrating
D. solar panels
E. adding heat
F. one celled organisms
G. microbial fuel cells
H. dams
Answer:
|
G
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
(Robustness) The $l_{1}$ loss is less sensitive to outliers than $l_{2}$.
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.
Let $p$ be a prime number. What is the cardinality of $\mathbf{Z}_p$?
A. $p$
B. $p-1$
C. $\varphi(p)$
D. $\varphi(p-1)$
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which one of these is a closed set?
A. $\mathbb{Z}$ with the addition.
B. $\mathbb{Z}^\star$ with the addition.
C. $\mathbb{Z}^\star$ with the substaction.
D. $\mathbb{Z}-\{0\}$ with the division.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Enigma
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 process of generating electric current with a magnetic field?
A. mechanical induction
B. molecular induction
C. pole induction
D. electromagnetic induction
Answer:
|
D
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
An example of an electrical circuit running properly would be
A. dimming lights
B. swimming in pools
C. running outside
D. riding bikes
Answer:
|
A
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A boy is lost in a heavily forested area, and the only help he has is a small compass. He knows that his house is to the south of him, but in the direction he is facing, the arrow on the compass is showing that he is currently walking due north. Therefore, the boy
A. turns right
B. turns left
C. turns around
D. keeps straight
Answer:
|
C
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Tick the \emph{true} assertion related to the ElGamal signature scheme.
A. A signature of a given message is obtained in a deterministic way.
B. The generator $g$ generates a subgroup of prime order.
C. The signature verification procedure is probabilistic.
D. The main computational cost of the signature generation is due to one modular exponentiation.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The motion of molecules in a gas is random in magnitude and direction for individual molecules, but a gas of many molecules has a predictable distribution of what, which is called the maxwell-boltzmann distribution?
A. molecular size
B. molecular shape
C. molecular rate
D. molecular speeds
Answer:
|
D
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Mercury cannot sustain life because it is
A. too close to the Sun
B. harmful substances
C. dormant state
D. major threat to health
E. too cold
F. has little gravity
G. scarce resources
H. too small
Answer:
|
A
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Jeff noticed that the big dipper was in a different spot in the sky at 2am than where it was at 10pm. Why?
A. because of the earth's orbit
B. the stars had rotated
C. Jeff had been instantly transported thousands of miles from where he'd been at 10pm.
D. the earth had turned
Answer:
|
D
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A bear that has great strength, when compared to a bear with little strength, will likely be
A. sickly
B. objectively fit
C. malnourished
D. in poor health
Answer:
|
B
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is the sum of the masses of the atoms in a molecule?
A. mass effect
B. molecular mass
C. atomic energy
D. compound mass
Answer:
|
B
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
An HMM model would not be an appropriate approach to identify
A. Named Entities
B. Part-of-Speech tags
C. Concepts
D. Word n-grams
Answer:
|
D
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
An example of hunting is an otter cracking open clams with a rock, another is
A. an eagle preening its feathers
B. a fish swimming back upstream
C. a bear swiping at a hive
D. a deer eating grass
Answer:
|
C
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Through what form of energy transfer does the sun's energy travel?
A. solar burst
B. Fusion
C. convection
D. radiation
Answer:
|
D
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Bases are ionic compounds consisting of hydroxide ions and a what?
A. carbonate
B. cinion
C. cation
D. sulfate
Answer:
|
C
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Consider the loss function $L: \R^d o \R$, $L(\wv) = rac{eta}{2}\|\wv\|^2$, where $eta > 0$ is a constant. We run gradient descent on $L$ with a stepsize $\gamma > 0$ starting from some $\wv_0
eq 0$. Which of the statements below is true?
A. Gradient descent converges to the global minimum for any stepsize $\gamma > 0$.
B. Gradient descent with stepsize $\gamma = rac{2}{eta}$ produces iterates that diverge to infinity ($\|\wv_t\| o \infty$ as $t o \infty$).
C. Gradient descent converges in two steps for $\gamma = rac{1}{eta}$ (i.e., $\wv_2$ is the extbf{first} iterate attaining the global minimum of $L$).
D. Gradient descent converges to the global minimum for any stepsize in the interval $\gamma \in ig( 0, rac{2}{eta}ig)$.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What does erosion do to pieces of broken rock?
A. lead them
B. moves them
C. Cancel Them
D. Smooth them
Answer:
|
B
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is required for the ideal habitat for new stands of cottonwood?
A. sunlight
B. nutrients
C. warmth
D. Sediment
E. Black tar
F. Hot magma
G. trees
H. Chainsaws
Answer:
|
D
|
qasc
|
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