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The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
If the source of a bean is very far away, and the bean becomes a source for another, separate bean, then the original bean was
A. a bad seed
B. a dispersed seed
C. a fresh shell
D. a meaty liver
Answer:
|
B
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
In User-Based Collaborative Filtering, which of the following is correct, assuming that all the ratings are positive?
A. Pearson Correlation Coefficient and Cosine Similarity have different value range, but return the same similarity ranking for the users
B. If the ratings of two users have both variance equal to 0, then their Cosine Similarity is maximized
C. Pearson Correlation Coefficient and Cosine Similarity have the same value range, but can return different similarity ranking for the users
D. If the variance of the ratings of one of the users is 0, then their Cosine Similarity is not computable
Answer:
|
B
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Tsunamis
A. have little impact on the environment
B. can be easily halted
C. can rearrange coastal shorelines
D. can encourage economic growth
Answer:
|
C
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is formed when rocks break down?
A. plants
B. clouds
C. sand
D. coastlines
E. detritus
F. deltas
G. water
H. alluvial
Answer:
|
E
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Half of the neurons formed in the embryo are eliminated because of _____________
A. disease
B. competition
C. cell death
D. contraction
Answer:
|
B
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
what is increased to cause something to change from a solid into a liquid?
A. Evaporation
B. water vapor
C. hydrogen
D. temperature
E. ice cubes
F. h2o
G. sweating
H. Water expanding
Answer:
|
D
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which of the following statements on Latent Semantic Indexing (LSI) and Word Embeddings (WE) is false?
A. The dimensions of LSI can be interpreted as concepts, whereas those of WE cannot
B. LSI does not depend on the order of words in the document, whereas WE does
C. LSI is deterministic (given the dimension), whereas WE is not
D. LSI does take into account the frequency of words in the documents, whereas WE with negative sampling does not
Answer:
|
D
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What type of energy occurs by splitting the nuclei of radioactive uranium?
A. microwave
B. kinetic
C. nuclear
D. atomic
Answer:
|
C
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is the largest body in the solar system?
A. earth
B. planet
C. sun
D. asteroids
Answer:
|
C
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Recall that the hard-margin SVM problem corresponds to:
$$ \underset{\substack{\ww \in \R^d, \ orall i:\ y_i \ww^ op \xx_i \geq 1}}{\min} \Vert \ww \Vert_2.$$
Now consider the $2$-dimensional classification dataset corresponding to the $3$ following datapoints: $\xx_1 = (-1, 2)$, $\xx_2 = (1, 2)$, $\xx_3 = (0, -2)$ and $y_1 = y_2 = 1$, $y_3 = -1$.
Which of the following statements is extbf{true}:
A. Our dataset is not linearly separable and hence it does not make sense to consider the hard-margin problem.
B. There exists a unique $\ww^\star$ which linearly separates our dataset.
C. The unique vector which solves the hard-margin problem for our dataset is $\ww^\star = (0, 1)$.
D. None of the other statements are true.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Tick the \emph{false} assertion concerning WPA-TKIP.
A. WPA-TKIP uses a fixed RC4 key.
B. WPA-TKIP avoids replay attacks using a counter.
C. WPA-TKIP provides much more confidentiality than WEP.
D. WPA-TKIP doesn't protect well the integrity of the messages.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Energy is transferred to an object when what happens?
A. It gets heated up
B. object is kicked
C. object is forgotten
D. object is abandoned
E. by indirect light
F. Something to move
G. evaporation
H. object is avoided
Answer:
|
B
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Many important crops, such as corn, are planted and harvested as what?
A. berries
B. seeds
C. trees
D. cuttings
Answer:
|
B
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Recall that the hard-margin SVM problem corresponds to:
$$ \underset{\substack{\ww \in \R^d, \ orall i:\ y_i \ww^ op \xx_i \geq 1}}{\min} \Vert \ww \Vert_2.$$
Now consider the $2$-dimensional classification dataset corresponding to the $3$ following datapoints: $\xx_1 = (-1, 2)$, $\xx_2 = (1, 2)$, $\xx_3 = (0, -2)$ and $y_1 = y_2 = 1$, $y_3 = -1$.
Which of the following statements is extbf{true}:
A. Our dataset is not linearly separable and hence it does not make sense to consider the hard-margin problem.
B. There exists a unique $\ww^\star$ which linearly separates our dataset.
C. The unique vector which solves the hard-margin problem for our dataset is $\ww^\star = (0, 1)$.
D. None of the other statements are true.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
As air pressures inside and outside of the ear equalize, what phenomenon is produced?
A. throat scratching
B. eyes blinking
C. heart skipping
D. ear popping
Answer:
|
D
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What does the light on the moon come from?
A. The Earth
B. a prism
C. The sun.
D. A shadow
E. heat
F. heat energy
G. Solar energy
H. The moon
Answer:
|
C
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What type of energy does chemosynthesis use to make food?
A. CHEMICAL energy
B. carbon energy
C. GRAVITATIONAL energy
D. chemical energy
Answer:
|
A
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
There are nutrients in dirt, like magnesium, and those nutrients may be
A. poisoned
B. collected into vegetation
C. set on fire
D. taught to read
Answer:
|
B
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Tick the \emph{false} assertion. The ambiguity issue in the decryption algorithm of the Rabin cryptosystem can be solved by\dots
A. encrypting the message twice.
B. encrypting the message appended to itself.
C. appending some integrity checks to the message before encryption.
D. ensuring that the other possible plaintexts make no sense.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What can be looked at to see a record of how horses evolved?
A. erosion records
B. fossil records
C. carbon dating
D. pattern records
Answer:
|
B
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Slamming the breaks in a car will
A. make the car speed
B. quickly bring the speed down
C. turn on it's radio
D. open all the doors
Answer:
|
B
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Whereas each cell shares the same genome and dna sequence, each cell does not turn on, or express, the same set of what?
A. eggs
B. balls
C. babies
D. genes
Answer:
|
D
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What waves does a telephone use?
A. unique
B. power
C. energy
D. fibers
E. sound
F. strong
G. Radio
H. two
Answer:
|
G
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which of the following is/are true about testing?
A. Adequate code coverage is crucial for dynamic testing.
B. False positives matter in static analyses.
C. Symbolic execution is a technique of whitebox dynamic testing.
D. Tests are sufficient to prove that a program is bug-free.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
what causes volcanic eruptions?
A. scattered light
B. eukyarotes
C. earthquakes
D. heating liquids
E. Water expanding
F. heat energy
G. Greenhouse gases
H. kinetic energy
Answer:
|
C
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What adjective describes the movements that propel the feces during elimination?
A. hyperplastic
B. enzymatic
C. peristaltic
D. convulsive
Answer:
|
C
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What type of compounds make up the cells and tissues of organisms?
A. productive compounds
B. organic compounds
C. biochemical compounds
D. hormonal compounds
Answer:
|
C
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
In frequency, the larger the air column, the larger the what?
A. absorption
B. gravity
C. mass
D. wavelength
Answer:
|
D
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What sheds its leaves seasonally each year?
A. Christmas trees
B. pine trees
C. Leptospirosis
D. Most plants
E. evergreen trees
F. ginkgo biloba
G. Converting waste.
H. In the winter
Answer:
|
F
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Tick the \textbf{false} assertion. In order to have zero-knowledge from $\Sigma$-protocols, we need to add the use of \ldots
A. \ldots an ephemeral key $h$ and a Pedersen commitment.
B. \ldots a common reference string.
C. \ldots hash functions.
D. \ldots none of the above is necessary, zero-knowledge is already contained in $\Sigma$-protocols.
Answer:
|
A
|
m1_preference
|
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.
Down feathers are a thermal energy what?
A. cold
B. freezers
C. igniters
D. protectors
Answer:
|
D
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What can cause landslides?
A. loose soil
B. wind
C. Movement
D. streams
E. vehicles
F. Sediment
G. logging
H. rivers
Answer:
|
G
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
In the male orgasm, where is sperm propelled from?
A. seeds
B. pollen
C. distance
D. organ
E. sensory neurons
F. direct energy
G. epididymes
H. electrically
Answer:
|
G
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
In Ranked Retrieval, the result at position k is non-relevant and at k+1 is relevant. Which of the following is always true?
Hint: P@k and R@k are the precision and recall of the result set consisting of the k top-ranked documents.
A. P@k-1>P@k+1
B. R@k-1=R@k+1
C. R@k-1<R@k+1
D. P@k-1=P@k+1
Answer:
|
C
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What can gas furnaces cause?
A. matter vibrating
B. Pollution
C. rain
D. Stale air
E. condensation
F. emissions
G. suffocation
H. friction
Answer:
|
G
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What structures include the vagina, uterus, ovaries, and fallopian tubes?
A. reproductive
B. digestion
C. respiration
D. skeletal
Answer:
|
A
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The ocean contains large amounts of what?
A. people
B. salty biscuits
C. fires
D. saline liquids
Answer:
|
D
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
the suns rays are strongest near the what for the same reason the seasons change
A. weather
B. surface
C. equator
D. distance
E. Joules
F. waves
G. climate
H. heat
Answer:
|
C
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A problem with using food chains to describe ecosystems is that some organisms can feed on or be consumed by species from more than one of what level?
A. habitat level
B. trophic level
C. pH level
D. biome level
Answer:
|
B
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Crabs, lobsters, shrimp, krill, and woodlice are all?
A. porifera
B. crustaceans
C. sponges
D. arthropods
Answer:
|
B
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
One renewable fuel source is
A. vegetable oil
B. coal
C. fossil fuel
D. petroleum fuel
Answer:
|
A
|
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. particle
B. cell
C. proton
D. atom
Answer:
|
B
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A light that is turned on will be connected to wiring, which will
A. be shredded
B. feel toasty
C. be wooden
D. be icy
Answer:
|
B
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
healing requires what as well as sitting
A. sleep
B. fasting
C. running
D. muscles
E. heat
F. energy
G. jumping
H. oxygen
Answer:
|
A
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A doorknob and a ferris wheel are examples of what type of simple machine?
A. ball and axle
B. wheel and axle
C. ball and socket
D. lever and pulley
Answer:
|
B
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Why is XML a document model?
A. It supports application-specific markup
B. It supports domain-specific schemas
C. It has a serialized representation
D. It uses HTML tags
Answer:
|
C
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Tick the \emph{incorrect} assertion. For a cipher $C$, decorrelation theory says that \ldots
A. A decorrelation $0$ of order $1$ means perfect secrecy when used once.
B. $\mathsf{BestAdv}_n(C,C^\ast)=\frac{1}{2}\mathsf{Dec}^n_{\left|\left|\cdot\right|\right|_a}(C)$.
C. A decorrelation $0$ of order $1$ always protects against linear cryptanalysis.
D. $\mathsf{Dec}^n(C_1\circ C_2) \leq \mathsf{Dec}^n(C_1) \times \mathsf{Dec}^n(C_2)$, for $C_1$ and $C_2$ two independent random permutations.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A toad would have better hiding places
A. on a house rooftop
B. in a glass bottle
C. on a forest floor
D. with a parachute skydiving
Answer:
|
C
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What causes sunlight to split into different colors?
A. energy
B. heat
C. a wave
D. moonlight
E. paint
F. Energy.
G. rocks
H. lenses
Answer:
|
H
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Suppose you have a search engine that retrieves the top 100 documents and
achieves 90% precision and 20% recall. You modify the search engine to
retrieve the top 200 and mysteriously, the precision stays the same. Which one
is CORRECT?
A. The recall becomes 10%
B. The number of relevant documents is 450
C. The F-score stays the same
D. This is not possible
Answer:
|
B
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is the Squared Euclidean Imbalance?
A. $\displaystyle P_0(x)\sum_x(P_1(x)-P_0(x))^2$
B. $\displaystyle\frac{1}{P_0(x)}\sum_x(P_1(x)-P_0(x))^2$
C. $\displaystyle\sum_x\frac{(P_1(x)-P_0(x))^2}{P_0(x)}$
D. $\displaystyle\sum_x\left(\frac{P_1(x)}{P_0(x)}-1\right)^2$
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Nocturnal predators hunt when?
A. sleep time
B. midday
C. morning
D. noon
Answer:
|
A
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Effective insulation has a positive impact on an animal's what?
A. heat energy
B. survival
C. water
D. food
E. growth
F. ideas
G. Energy.
H. energy
Answer:
|
B
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Tick the \textbf{incorrect} assumption. A language $L$ is in NP if\dots
A. $x \in L$ can be decided in polynomial time.
B. $x \in L$ can be decided in polynomial time given a witness $w$.
C. $L$ is NP-hard.
D. $L$ (Turing-)reduces to a language $L_2$ with $L_2$ in $P$, i.e., if there is a polynomial deterministic Turing machine which recognizes $L$ when plugged to an oracle recognizing $L_2$.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What are compounds composed of only two elements called?
A. symbiotic compounds
B. binary compounds
C. kinetic compounds
D. digital compounds
Answer:
|
B
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which statement is false about clustering?
A. K-means fails to give good results if the points have non-convex shapes
B. In K-means, bad initialization can lead to poor convergence speed
C. DBSCAN is a deterministic algorithm
D. DBSCAN algorithm is robust to outliers
E. Density-based clustering fails to discover non-convex clusters
Answer:
|
C
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What has a tail?
A. squids
B. Bats
C. tomatoes
D. sharks
E. trout
F. humans
G. rocks
H. Mammal
Answer:
|
D
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Many plants generate root pressure during which phase?
A. end of life cycle
B. growing season
C. developing season
D. flowering season
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 correct regarding Crowdsourcing?
A. Random Spammers give always the same answer for every question
B. It is applicable only for binary classification problems
C. Honey Pot discovers all the types of spammers but not the sloppy workers
D. The output of Majority Decision can be equal to the one of Expectation-Maximization
Answer:
|
D
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What helps to keep the body warm and protect it in a variety of climates?
A. wooly
B. snow
C. rain
D. fur
E. coats
F. stones
G. skin
H. hair
Answer:
|
H
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What are the largest phylum in the animal kingdom?
A. cephalopods
B. crustaceans
C. arthropods
D. mammals
Answer:
|
C
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A query \(q\) has been submitted to two distinct Information Retrieval engines operating on the same document collection containing 1'000 documents, with 50 documents being truly relevant for \(q\).The following result lists have been produced by the two IR engines, \(S_1\) and \(S_2\) respectively:
\(S_1\text{:}\)
\(d_1\)
\(d_2\text{ (*)}\)
\(d_3\text{ (*)}\)
\(d_4\)
\(d_5\text{ (*)}\)
\(S_2\text{:}\)
\(d^\prime_1\text{ (*)}\)
\(d^\prime_2\text{ (*)}\)
\(d^\prime_3\)
\(d^\prime_4\)
\(d^\prime_5\)
In these result lists, the stars \(\text{(*)}\) identify the truly relevant documents.
By convention, we consider that any non retrieved document has been retrieved at rank 6.If Average Precision is used as evaluation metric, which of the two IR engines is performing better for the query \(q\)?
A. \(S_1\)
B. \(S_2\)
C. Both engines perform equally.
D. This evaluation metric cannot be computed.
Answer:
|
B
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Tick the \textbf{true} assertion. $x\in \mathbf{Z}_{n}$ is invertible iff \ldots
A. $\varphi(n)= n-1$.
B. $x$ is prime.
C. $x$ is not prime.
D. $gcd(x,n) = 1$.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
An animal would have its inner parts better protected if it had which of these?
A. a backpack on its back
B. a calcium fortified internal structure
C. none of these
D. a shell of cotton
Answer:
|
B
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
During adolescence, what causes most of the changes associated with puberty?
A. nicotine
B. methane
C. testosterone
D. estrogen
Answer:
|
C
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is an example of endangered?
A. deer are hunted to keep population levels in check
B. birds fly south for the winter
C. deer relocate in order to find better food
D. hawks hunt all of the mice from a field
Answer:
|
D
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What tool is useful for studying the ocean floor because the environment is remote and underwater?
A. telescope
B. microscope
C. scale
D. sonar
Answer:
|
D
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What was once believed to be the smallest of all particles, as dalton's theory proposed?
A. atom
B. molecule
C. nucleus
D. neutron
Answer:
|
A
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Who are squids a food source for?
A. flies
B. animals
C. humans
D. trees
E. people
F. food
G. insects
H. tortoises
Answer:
|
C
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What forms when the spores from two parents fuse during sexual reproduction?
A. zygospore
B. monospore
C. spirogyra
D. xerophyte
Answer:
|
A
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A salamander is
A. extinct
B. bipedal
C. cold blooded
D. warm blooded
Answer:
|
C
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Tick the \emph{incorrect} assertion regarding the security of the Diffie-Hellman key exchange over a subgroup $\langle g \rangle \subset \mathbb{Z}_p^*$.
A. $\langle g \rangle$ should have prime order.
B. We must ensure that $X\in \langle g \rangle$ for every received $X$.
C. The binary representation of the output of the key exchange is a uniformly distributed bitstring.
D. We must ensure that $X\neq1$ for every received $X$.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Some cars can now be powered by
A. wind
B. Solar energy
C. fusion power plants
D. brain waves
E. gravitational waves
F. engines
G. sunlight
H. energy
Answer:
|
G
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which of the following statements about coverage-guided fuzzing is/are correct?
A. Redundant seeds in the corpus will reduce fuzzing efficiency.
B. Counting the number of times the covered code has been executed
provides a more fine-grained view of program behavior than only
"covered/not covered" binary code coverage.
C. Due to the coverage feedback, a small random perturbation of a
seed can have a significant impact on further exploration.
D. Fuzzers that have higher code coverage always find more
bugs.
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Through what do plants move enormous amounts of water from the soil to the atmosphere?
A. evaporation
B. transpiration
C. perspiration
D. respiration
Answer:
|
B
|
sciq
|
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.
Pesticides can cause what to be destroyed?
A. Plant growth is reduced
B. swamp vegetation
C. most organisms
D. important habitats
E. entire ecosystems
F. one celled organisms
G. harmful substances
H. genetic diversity
Answer:
|
E
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What does bowman's capsule form by surrounding the glomerulus?
A. lipids
B. pores
C. ions
D. lumen
Answer:
|
D
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The lithosphere-asthensophere divisions are based on what?
A. mechanical compounds
B. mechanical properties
C. constant properties
D. elemental properties
Answer:
|
B
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The development of multi-cellular organisms begins from a single-celled zygote, which undergoes rapid cell division to form this?
A. multicell
B. blastula
C. gametophyte
D. eukaryote
Answer:
|
B
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which can be said to have the most volume?
A. the Sun
B. Venus
C. the moon
D. the Earth
Answer:
|
A
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
(Minima) Convex functions over a convex set have a unique global minimum.
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 for Ontologies?
A. Different information systems need to agree on the same ontology in order to interoperate.
B. They help in the integration of data expressed in different models.
C. They give the possibility to specify schemas for different domains.
D. They dictate how semi-structured data are serialized.
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 is an element of $\mathbb{Z}_{60}^*$?
A. 49
B. 30
C. 26
D. 21
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
In Ranked Retrieval, the result at position k is non-relevant and at k+1 is relevant. Which of the following is always true?
Hint: P@k and R@k are the precision and recall of the result set consisting of the k top-ranked documents.
A. P@k-1>P@k+1
B. R@k-1=R@k+1
C. R@k-1<R@k+1
D. P@k-1=P@k+1
Answer:
|
C
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
If the first column of matrix L is (0,1,1,1) and all other entries are 0 then the authority values
A. (0, 1, 1, 1)
B. (0, 1/sqrt(3), 1/sqrt(3), 1/sqrt(3))
C. (1, 1/sqrt(3), 1/sqrt(3), 1/sqrt(3))
D. (1, 0, 0, 0)
Answer:
|
B
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A tree must depend upon, for its support
A. A large fibrous mass
B. plants on the forest floor
C. the wooden welfare state
D. massive redwoods on the backs of turtles
Answer:
|
A
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
A major specificity of natural languages is that they are inherently implicit and ambiguous. How should this be taken into account in the NLP perspective?
(penalty for wrong ticks)
A. by teaching humans to talk and write in a way that reduces implicitness and ambiguity
B. by designing NLP algorithms and data structures able to efficiently cope with very ambiguous representations
C. by interacting with human experts to formulate precise interpretation rules for linguistic entities
D. by increasing the amount of a priori knowledge that NLP systems are able to exploit
Answer:
|
A
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
You are given two distributions over $\mathbb{R}$ : Uniform on the interval $[a, b]$ and Gaussian with mean $\mu$ and variance $\sigma^{2}$. Their respective probability density functions are $$ p_{\mathcal{U}}(y \mid a, b):=\left\{\begin{array}{ll} \frac{1}{b-a}, & \text { for } a \leq y \leq b, \\ 0 & \text { otherwise } \end{array} \quad p_{\mathcal{G}}\left(y \mid \mu, \sigma^{2}\right):=\frac{1}{\sqrt{2 \pi \sigma^{2}}} \exp \left(-\frac{(y-\mu)^{2}}{2 \sigma^{2}}\right)\right. $$ Which one(s) belong to the exponential family?
A. Only Uniform.
B. Both of them.
C. Only Gaussian.
D. None of them.
Answer:
|
C
|
m1_preference
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which of these is more likely to cause a fracture from swinging
A. foam bat
B. steel wire
C. a mace
D. metal spoon
Answer:
|
C
|
openbookqa
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Lakes can increase due to
A. wind
B. salinity
C. heat
D. nutrients
E. watershed
F. storms
G. flooding
H. Lift
Answer:
|
F
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Arctic animals are assisted in survival by what?
A. genetic diversity
B. anti-freeze
C. food and shelter
D. warm greetings
E. some invertebrates
F. lowered energy cost
G. fat tuesday celebrations
H. layers of fat
Answer:
|
H
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What term is used to describe a bond formed by the overlap of orbitals in an end-to-end fashion, with the electron density concentrated between the nuclei of the bonding atoms?
A. lattice bond
B. rna bond
C. beta bond
D. sigma bond
Answer:
|
D
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
What is used as an important survival trait by some animals?
A. bleeding
B. lying
C. hormones
D. food and shelter
E. hibernation
F. four limbs
G. proteins
H. crying
Answer:
|
E
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Which of the following 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 surfaces of the bones at the joints are covered with a smooth layer of cartilage, which reduces what force between the bones when they move?
A. expulsion
B. friction
C. vibration
D. gravity
Answer:
|
B
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The cause of what doesn't grow by cell division?
A. drought
B. Influenza
C. resistance
D. adding heat
E. Leptospirosis
F. fungi
G. bacteria
H. heat produced
Answer:
|
B
|
qasc
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
Air pollution can cause disease of what system by affecting the health of your lungs?
A. respiratory
B. digestive
C. cardiac
D. excretory
Answer:
|
A
|
sciq
|
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses.
The Kerckhoff's principle is not followed when security requires that \dots
A. the security of a cryptosystem relies on the secrecy of the encryption algorithm.
B. the name of the cryptosystem's designer is kept secret.
C. the key of the cryptosystem is kept secret.
D. the cryptosystem is kept secret.
Answer:
|
A
|
m1_preference
|
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