prompt
stringlengths
140
2.04k
completion
stringclasses
8 values
dataset
stringclasses
4 values
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. How do most fish reproduce with one another? A. on land B. asexually C. same sex D. sexually Answer:
D
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. A proper meal for a raccoon could be A. old taco meat B. a wooden sign C. a taco truck D. a soft pebble Answer:
A
openbookqa
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. animals learn some behaviors from watching their A. rocks B. toys C. caretakers D. trees Answer:
C
openbookqa
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. (Linear or Logistic Regression) Suppose you are given a dataset of tissue images from patients with and without a certain disease. You are supposed to train a model that predicts the probability that a patient has the disease. It is preferable to use logistic regression over linear regression. 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. Which organ in the body controls the amount of water loss in urine in response to maintaining homeostasis? A. kidneys B. liver C. spleen D. lungs Answer:
A
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Which of the following is an acceptable commitment scheme, i.e., one that verifies the hiding and binding property (for a well chosen primitive and suitable $x$ and $r$): A. $Commit(x;r) = Enc_r(x)$, where $Enc_r$ is a symmetric encryption scheme with key $r$. B. $Commit(x;r) = H(x)$, where $H$ is a hash function. C. $Commit(x;r) = x \oplus r$, where $\oplus$ is the bitwise xor operation. D. $Commit(x;r) = H(r\|x)$, where $H$ is a hash function and $\|$ denotes the concatenation. Answer:
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. The energy a chemical reaction needs to get started is called what kind of energy? A. activation B. fusion C. function D. conduction Answer:
A
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Which of the following is an acceptable commitment scheme, i.e., one that verifies the hiding and binding property (for a well chosen primitive and suitable $x$ and $r$): A. $Commit(x;r) = Enc_r(x)$, where $Enc_r$ is a symmetric encryption scheme with key $r$. B. $Commit(x;r) = H(x)$, where $H$ is a hash function. C. $Commit(x;r) = x \oplus r$, where $\oplus$ is the bitwise xor operation. D. $Commit(x;r) = H(r\|x)$, where $H$ is a hash function and $\|$ denotes the concatenation. Answer:
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What does an electric conductor cross to generate current? A. magnetic zone waves B. magnetic field lines C. waves field lines D. magnetic polar waves Answer:
B
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Consider a mobile station (MS) with a SIM card associated to a home network (HN). The MS tries to connect to a visited network (VN). In the GSM authentication, who knows the key $K_i$? A. SIM only. B. SIM and HN. C. SIM, MS and HN. D. SIM, MS, VN and HN. Answer:
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Let $n=pq$ be a RSA modulus and let $(e,d)$ be a RSA public/private key. Tick the \emph{correct} assertion. A. Finding a multiple of $\lambda(n)$ is equivalent to decrypt a ciphertext. B. $ed$ is a multiple of $\phi(n)$. C. The two roots of the equation $X^2 - (n-\phi(n)+1)X+n$ in $\mathbb{Z}$ are $p$ and $q$. D. $e$ is the inverse of $d$ mod $n$. 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 medical process of removing wastes and excess water from the blood by diffusion and ultrafiltration called? A. arthritis B. dialysis C. digestion D. tumors Answer:
B
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What has an increased population size over time? A. trout B. dolphins C. squids D. Frogs E. dodos F. koalas G. white lions H. Tasmanian tigers Answer:
F
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What are the taste receptors found as tiny bumps on the tongue called? A. hard buds B. fat buds C. taste buds D. ear buds Answer:
C
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Chemical formulas for ionic compounds are called what? A. ionic formulas B. magnetic formulas C. electronic formulas D. velocity formulas Answer:
A
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Select the non-associative operation. A. $+$ (addition) B. $-$ (subtraction) C. $\times$ (multiplication) D. $\oplus$ (exclusive-or) 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. You are working on a dataset with lots of outliers, and want to perform a regression task. Everything else being equal, and assuming that you do not do any pre-processing, which loss function will be less affected by these outliers? A. $\mathcal{L}(y, \hat{y})= (y - \hat{y})^2$ (MSE) B. $\mathcal{L}(y, \hat{y})= |y - \hat{y}|$ (MAE) Answer:
B
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What harms the respiratory and circulatory systems? A. Cars B. oxygen C. smoking D. vehicles E. emissions F. gasoline G. fresh air H. lungs Answer:
C
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Which would create the most pollution A. animals B. rivers C. smoke stacks D. toxicity Answer:
C
openbookqa
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What is the force that causes objects to push or attract each other? A. speed B. gravity C. friction D. Energy. E. heat energy F. magnetism G. quadriceps H. flotation Answer:
F
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What pulls objects around the sun? A. Oxygen B. cycles C. wind D. Energy. E. energy F. Gravity G. h2o H. Atmosphere Answer:
F
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. The Earth's topography varies widely from the deepest trenches to the tallest A. tales B. trees C. pinnacle D. buildings Answer:
C
openbookqa
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Out of the four ways that allele frequencies of a population can be changed, which way is caused by individuals leaving or joining the population? A. gene flow B. mass extinction C. spontaneous mutation D. Allopatric speciation Answer:
A
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Tissues form skin, what forms tissue? A. blood B. humans C. Man D. bacteria E. cells F. oxygen G. skin H. keratin Answer:
E
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Sunlight is made of A. Prism B. lightning C. colors D. glass E. chlorophyll F. dirt G. energy H. photons 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 fuzzing? A. Fuzzers may get ``stuck'' and cannot easily detect that they are no longer improving coverage B. The efficacy of a fuzzing campaign scales with its speed (executions per second) C. Fuzzers generally determine the exploitability of a crash. D. There is little to no benefit in running fuzzers in parallel. Answer:
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Unstable isotopes give off particles and energy as what? A. radiation B. electricity C. ultraviolet light D. radioactivity Answer:
D
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. In a location, what disappears first when disturbance increases? A. dirt B. bushes C. mussels D. loose soil E. Light F. rain G. clouds H. animals Answer:
H
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. The Tonelli algorithm is A. a factoring algorithm. B. a primality testing algorithm. C. an algorithm for finding square roots. D. an algorithm for testing quadratic residuosity. Answer:
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. growth in what is caused by primary and secondary meristems in roots? A. H 2 O B. bamboo C. population D. offspring E. bushes F. bulbs G. clouds H. size Answer:
H
qasc
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. Some lizards form eggs where A. in space B. in fire C. in ice D. in their interiors 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 in Linux x86-64 assembly snippets can be used as a gadget AND can be chained with more gadgets (e.g., in a ROP/JOP chain)? A. \texttt{pop rbx; pop rax; jmp rax} B. \texttt{pop rbx; pop rax; ret} C. \texttt{mov eax, -1; call rax} D. \texttt{xor rbx, rbx; xor rbx, -1; push rbx; ret} Answer:
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Let $E$ be an elliptic curve. Solving which of the following problems would help you to break Elliptic Curve Diffie-Hellman (ECDH) over $E$? A. Let $P,R \in E$. Given $P$ and $P+R$, compute $R$. B. Let $P,Q \in E$. Given $P$ and $Q$, compute the product between $P$ and $Q$, i.e., $P \times Q$. C. Let $P \in E$ and $\ell \in \mathbb{N}$. Given $P$ and $\ell P$, compute $\ell$. D. Find a point which is not on the curve $E$. Answer:
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What does a plant require to grow? A. Enzymes B. sodium C. Pesticides D. Plantations E. Farmers F. sugar G. H 2 O H. photons Answer:
G
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What increase the amount of nutrients in loam? A. water B. mussels C. fire D. air E. organic molecules F. decomposition G. Enzymes H. Organic compounds Answer:
F
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Tick the \emph{true} assertion among the followings: A. Visual cryptography is perfectly secure (at an unreasonable cost). B. The Vernam cipher was invented by Kerckoff. C. Just like coding theory, cryptography usually faces random noise. D. Enigma has never been broken. Answer:
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. We saw in class that we can quickly decrease the spatial size of the representation using pooling layers. Is there another way to do this without pooling? A. Yes, by increasing the amount of padding. B. Yes, by increasing the stride. C. Yes, by increasing the number of filters. D. No, pooling is necessary. Answer:
B
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What can protons and neutrons be broken down into? A. molecules B. quarks C. strings D. ions Answer:
B
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What is a result of genetic material being exchanged during reproduction? A. sperm B. pollen C. Diversity D. mutations E. flowers F. chromosomes G. seeds H. gene flow Answer:
C
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. what can affect the respiratory system? A. Pollution B. mildew C. gas D. influenza E. oxygen F. bacteria G. smallpox H. gold Answer:
B
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. How many times does the Earth complete a revolution around the sun in a decade? A. twelve B. one C. ten D. two Answer:
C
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 code instrumentation is/are correct? A. We should instrument basic blocks when collecting edge coverage. B. The instrumentation code for coverage collection should not change the original functionality. C. Binary rewriting-based coverage collection has lower runtime overheads than compiler-based instrumentation. D. We can only do binary rewriting on position-independent code (PIC). Answer:
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Biomass is the total mass of what at a trophic level? A. Plants growth B. peachleaf willow C. Conifers D. animals E. living things F. Most plants G. all matter H. insects Answer:
E
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. A guy wants to figure out how fast makes it to work every day so he looks up A. how wide the road is B. how tall the building is C. how the weather is D. the space between destinations Answer:
D
openbookqa
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Let S(x) be the statement “x has been in a lake” and L(x) be the statement “x lives in Lausanne” and the domain of x consists of all the humans in the world. The sentence : “there exists exactly one human that lives in Lausanne and that has never been in a lake” corresponds to the statement (multiple choices possible): A. \( \exists! x (S(x) \wedge L(x)) \) B. \( \exists x \Bigr[( S(x) \wedge eg L(x)) \wedge orall y \left[ eg( S(y) \wedge eg L(y)) \wedge (x=y) ight] \Bigr] \) C. \( \exists x \Bigr[ ( eg S(x) \wedge L(x)) \wedge orall y \left[ eg( eg S(y) \wedge L(y)) ee (x=y) ight] \Bigr] \) D. \( \exists! x ( eg S(x) \wedge L(x)) \) Answer:
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What do living things need to survive? A. molecules B. oxygen C. nutrients D. heat Answer:
C
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. How many integers $n$ between $1$ and $2021$ satisfy $10^n \equiv 1 \mod 11$? Check the correct answer. A. 1010 B. 183 C. 505 D. 990 Answer:
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. A 128-bit key ... A. has 128 decimal digits. B. is too long for any practical application. C. provides reasonable security for at least four decades. D. adresses $n^2$ problem for $n=2^{64}$. Answer:
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What do animals find protection from when using rock overhangs? A. sun's heat B. insects C. weather D. erosion E. rivers F. bats G. wind H. the sun Answer:
C
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. what does a windmill primarily use to convert wind energy into electricty? A. matter vibrating B. stored energy C. solar power D. batteries E. Movement of an air mass F. heat is produced G. energy of moving objects H. Something to move Answer:
G
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. When scientists work in natural settings rather than a lab, it is called what? A. extracurricular activity B. exploratory C. outside work D. fieldwork Answer:
D
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Which of AddressSanitizer (ASan), MemorySanitizer (MemSan), UndefinedBehaviorSanitizer (UBSan) or ThreadSanitizer (TSan) can detect bugs (if any) in the following code snippet? \begin{lstlisting}[language=C,style=c] int sum_array(int *arr, size_t len) { // Return sum of array elements int result = 0; for (size_t i = 0; i <= len; i++) { result += arr[i]; } return result; } \end{lstlisting} A. ASan B. MemSan C. UBSan D. TSan E. There is at least one bug in the snippet, but none of the mentioned sanitizers can detect it. F. There are no bugs in the snippet. Answer:
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. How are genetic traits passed down to offspring? A. Through mucus B. Through chromosomes C. Through bacteria D. Plant reproduction E. Through the environment F. Through play G. Males and females H. deoxyribonucleic acid 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 statements about symbolic execution is/are correct? A. Symbolic execution can efficiently handle and solve constraints in programs with simple logics but large input space. B. State space explosion is a common challenge for symbolic execution. C. Symbolic execution can always accurately model a system's environment (e.g., system calls, file I/O, and network I/O). D. Symbolic execution requires actually running the target program. Answer:
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. K-Means: A. always converges to the same solution, no matter the initialization B. always converges, but not always to the same solution C. doesn't always converge D. can never converge Answer:
B
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What is always conserved in chemical reactions? A. mass B. bonds C. force D. energy Answer:
A
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. How many generators are there in $\mathbb{Z}_n$? A. $1$ B. $n-1$ C. $n$ D. $\varphi (n)$ Answer:
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. The one-time pad is\dots A. A perfectly binding commitment scheme. B. A statistically (but not perfectly) binding commitment scheme. C. A computationally (but not statistically) binding commitment scheme. D. Not a commitment scheme. 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 reaction called when an acid and a base react? A. activation B. decomposition C. oxidation D. neutralization Answer:
D
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. A stove is used for cooking by heating the what? A. air B. weather C. coal D. pan E. gas F. bed G. pets H. fire Answer:
A
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. One-time pad ... A. never uses a key $K$ which is picked from a uniform distribution. B. pads the message at least once before encryption. C. allows an efficient key management. D. uses an invertible group operation such as ``$\oplus$" for encryption. Answer:
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Consider a binary classification problem with a linear classifier $f(\mathbf{x})$ given by $$ f(\mathbf{x})= \begin{cases}1, & \mathbf{w}^{\top} \mathbf{x} \geq 0 \\ -1, & \mathbf{w}^{\top} \mathbf{x}<0\end{cases} $$ where $\mathbf{x} \in \mathbb{R}^{3}$. Suppose that the weights of the linear model are equal to $\mathbf{w}=(4,0,-3)$. For the next two questions, we would like to find a minimum-norm adversarial example. Specifically, we are interested in solving the following optimization problem, for a given $\mathbf{x}$ : $$ \min _{\boldsymbol{\delta} \in \mathbb{R}^{3}}\|\boldsymbol{\delta}\|_{2} \quad \text { subject to } \quad \mathbf{w}^{\top}(\mathbf{x}+\boldsymbol{\delta})=0 $$ This leads to the point $\mathbf{x}+\boldsymbol{\delta}$ that lies exactly at the decision boundary and the perturbation $\boldsymbol{\delta}$ is the smallest in terms of the $\ell_{2}$-norm. What is the optimum $\delta^{\star}$ that minimizes the objective in Eq. (OP) for the point $\mathbf{x}=$ $(-1,3,2) ?$ A. $(1,-1,0)$ B. $(0,-1,1)$ C. $(-2,0,0)$ D. $(1.2,0,1.6)$ E. Other F. $(0,2,0)$ G. $(-1.2,0,1.6)$ Answer:
E
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. All prokaryotic and some eukaryotic organisms reproduce through what method, where a parent passes all of its genetic material to the next generation? A. microscopic reproduction B. sexual reproduction C. organic reproduction D. asexual reproduction Answer:
D
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What gets most energy from electromagnetic energy? A. water B. waves C. rocks D. photons E. Light F. batteries G. rays or beams H. ecosystems Answer:
H
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Plants, cyanobacteria, and algae are living things that undergo what process and produce glucose? A. glycolysis B. photosynthesis C. cellular respiration D. cytoplasmic transfer Answer:
B
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What are ionic substances completely held together by? A. magnetic bonds B. ionic bonds C. thermal bonds D. localized bonds Answer:
B
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What is used to measure electric current? A. chronometer B. galvanometer C. anemometer D. atomizer Answer:
B
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. The inside surface of the jejunum is covered with tiny projections called what? A. alveoli B. flagella C. mucosa D. villi Answer:
D
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Where in the cell does transcription occur? A. nucleus B. protoplasm C. cell wall D. epidermis Answer:
A
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What are the basic units of the structure and are biodegradable? A. leaves B. peat C. paper D. solutes E. cells F. fungi G. trees H. sugar Answer:
E
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. The worst place to leave a candy bar is A. refrigerator B. closet C. freezer D. sunlight Answer:
D
openbookqa
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. what changing can cause transferring energy in the atmosphere A. deforestation B. bearing C. temperature D. global warming E. days F. direction G. heating liquids H. The atmosphere Answer:
C
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Consider a matrix factorization problem of the form $\mathbf{X}=\mathbf{W Z}^{\top}$ to obtain an item-user recommender system where $x_{i j}$ denotes the rating given by $j^{\text {th }}$ user to the $i^{\text {th }}$ item . We use Root mean square error (RMSE) to gauge the quality of the factorization obtained. Select the correct option. A. Given a new item and a few ratings from existing users, we need to retrain the already trained recommender system from scratch to generate robust ratings for the user-item pairs containing this item. B. Regularization terms for $\mathbf{W}$ and $\mathbf{Z}$ in the form of their respective Frobenius norms are added to the RMSE so that the resulting objective function becomes convex. C. For obtaining a robust factorization of a matrix $\mathbf{X}$ with $D$ rows and $N$ elements where $N \ll D$, the latent dimension $\mathrm{K}$ should lie somewhere between $D$ and $N$. D. None of the other options are correct. 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. Generic attacks on DES include A. time memory tradeof against 2 key Triple DES. B. collision attack against 3 key Triple DES. C. meet in the middle attack against 3 key Triple DES. D. known plaintext attack by Van Oorschot-Wiener agains 2 key Triple DES. Answer:
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What can result in offspring? A. seeds B. competition C. courtship D. travel E. resistance F. solitude G. litter H. reading Answer:
C
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What changes from heat or pressure during metamorphism? A. minerals B. carbohydrates C. fossils D. grains Answer:
A
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. A plant needing to photosynthesize will want to be placed nearest to a A. fridge B. bed C. skylight D. basement Answer:
C
openbookqa
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. The inverse document frequency of a term can increase A. by adding the term to a document that contains the term B. by removing a document from the document collection that does not contain the term C. by adding a document to the document collection that contains the term D. by adding a document to the document collection that does not contain the term Answer:
D
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. The reason that flies can always find food is that they can smell A. organism decay B. bad smells C. dying animals D. rotting trees Answer:
A
openbookqa
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. The angle of refraction depends on the index of what? A. vibration B. frequency C. refraction D. reflection Answer:
C
sciq
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. Blowing what into a whistle causes sound? A. a lack of noise B. CFCs C. CO 2 D. a lack of sound E. wind F. air G. gas H. no noise Answer:
F
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 fuzzing? A. Fuzzers may get ``stuck'' and cannot easily detect that they are no longer improving coverage B. The efficacy of a fuzzing campaign scales with its speed (executions per second) C. Fuzzers generally determine the exploitability of a crash. D. There is little to no benefit in running fuzzers in parallel. Answer:
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. what are the building blocks of DNA? A. Plants growth B. Plant reproduction C. Organic compounds D. it needs them E. Earth orbiting the Sun F. major threat to health G. Chemical energy H. polynucleotides Answer:
H
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Determine which of the following compound propositions are satisfiable (more than one answer can be correct): A. (p∨¬q)∧(¬p∨q)∧(¬p∨¬q) B. (p↔q)∧(¬p↔q) C. (p → q)∧(p → ¬q)∧(¬p → q) D. None of the other options Answer:
A
m1_preference
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. pituitary hormones can be blamed for what? A. a lot of human deaths B. Plant growth is reduced C. harmful substances D. Dehydration E. matter vibrating F. producing obesity G. major threat to health H. Leptospirosis Answer:
F
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What does predation limit on a species? A. Animal survival B. Reproduction C. the number of animals D. genetic material E. scarce resources F. nutrients G. grass H. birds Answer:
C
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What behavior causes people to hurt others? A. ambitious B. Damages them C. aggression D. complex E. loving F. insects G. smoking H. curious Answer:
C
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What kind of weathering changes the size of a mineral or rock but does not change its chemical composition? A. mechanical weathering B. radiation C. molecular weathering D. chemical reaction Answer:
A
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. How many sections does a fish heart have? A. ovum B. fat C. four D. p53 E. two F. cut G. bone H. stem Answer:
E
qasc
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What is the earliest reptile? A. hylonomus B. staurikosaurus C. pliosaur D. sporozoans Answer:
A
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Which is taught? A. walking upright B. red hair C. avoiding unpleasant smells D. mopping the floor Answer:
D
openbookqa
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. raccoons eat what? A. debris B. people C. fire D. dirt Answer:
A
openbookqa
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. Does the stream-lined body featured on most fish increase or decrease water resistance? A. precipitates B. increases C. quickens D. decrease Answer:
D
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. What makes up the dense outer layer of bones? A. cartilage B. scales C. compact bone D. marrow Answer:
C
sciq
The following are multiple choice questions (with answers) about knowledge and skills in advanced master-level STEM courses. For any function $f:\{0,1\}^p\rightarrow \{0,1\}^q$ and for any $a\in\{0,1\}^p$, we have\ldots A. $\Sigma _{b\in \{0,1\}^q}\mathsf{DP}^f(a,b)=1$ B. $\Sigma _{b\in \{0,1\}^q}\mathsf{DP}^f(a,b)=0$ C. $\Sigma _{b\in \{0,1\}^q}\mathsf{DP}^f(a,b)=\frac{1}{2}$ D. $\Sigma _{b\in \{0,1\}^q}\mathsf{DP}^f(a,b)=\frac{1}{\sqrt{2}}$ 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 movement of fluid out of the capillaries called? A. absorption B. diffusion C. filtration D. osmosis Answer:
C
sciq