ShAIkespear/all_indexed_questions · Datasets at Hugging Face

question stringlengths 4 6.13k	question_id int64 0 49.1k	dataset stringclasses 3 values	category stringclasses 75 values
The Shannon theorem states that perfect secrecy implies...	0	epfl_qa	epfl_dpo_qa
Tick the \emph{incorrect} assertion. The perfect cipher over $\left\{ 0,1 \right\}^\ell$ is \dots?	1	epfl_qa	epfl_dpo_qa
Let $n$ be an integer. What is the cardinality of $\mathbf{Z}^*_n$?	2	epfl_qa	epfl_dpo_qa
(Nearest Neighbor) The training error of the 1-nearest neighbor classifier is zero.	3	epfl_qa	epfl_dpo_qa
You are given the task of choosing the parameters of a hash function. What value of the output will you recommend in order to be minimal and secure against second preimage attacks?	4	epfl_qa	epfl_dpo_qa
A query transformed into the concept space of LSI has?	5	epfl_qa	epfl_dpo_qa
How many different simple substitution ciphers do exist with respect to an alphabet of 26 characters?	6	epfl_qa	epfl_dpo_qa
In JOS, suppose one Env sends a page to another Env. Is the page copied?	7	epfl_qa	epfl_dpo_qa
(Bayes Nets) We are given a Bayes net involving the variables $X_{1}, \cdots, X_{n}$. We determine, using our standard rules, that $X_{1} \perp X_{2} \mid X_{3}$. Assume now that you delete some edges in the original Bayes net. For the modified Bayes net, is it always true that $X_{1} \perp X_{2} \mid X_{3}$ ?	8	epfl_qa	epfl_dpo_qa
A MAC forgery is\dots?	9	epfl_qa	epfl_dpo_qa
Select the morpho-syntactic categories that do not carry much semantic content and are thus usually filtered-out from indexing.	10	epfl_qa	epfl_dpo_qa
Let $n$ be an integer. Which of the following is \emph{not} a group in the general case?	11	epfl_qa	epfl_dpo_qa
Determine which of the following conditional statements evaluate to true (more than one answer can be correct):?	12	epfl_qa	epfl_dpo_qa
Tick the \textbf{false} assertion. $C(P_0,P_1)\ldots$?	13	epfl_qa	epfl_dpo_qa
Which of the following statement(s) is/are correct?	14	epfl_qa	epfl_dpo_qa
In JOS, after finishing the execution of a user-level page fault handler, how is the program control flow transferred back to the program? (You may get insights from the code snippet of _pagefault_upcall.)?	15	epfl_qa	epfl_dpo_qa
Which of the following statements regarding distant supervision is correct?	16	epfl_qa	epfl_dpo_qa
When computing PageRank iteratively, the computation ends when:?	17	epfl_qa	epfl_dpo_qa
The multiplication of two quadratic residues ...	18	epfl_qa	epfl_dpo_qa
Information extraction:?	19	epfl_qa	epfl_dpo_qa
Church booleans are a representation of booleans in the lambda calculus. The Church encoding of true and false are functions of two parameters: Church encoding of tru: t => f => t Church encoding of fls: t => f => f What should replace ??? so that the following function computes not(b and c)? b => c => b ??? (not b)?	20	epfl_qa	epfl_dpo_qa
Which of the following is/are typical AddressSanitizer use cases?	21	epfl_qa	epfl_dpo_qa
Tick the \emph{false} answer. In a group, the operation\dots?	22	epfl_qa	epfl_dpo_qa
When using linear regression, which techniques improve your result? (One or multiple answers)?	23	epfl_qa	epfl_dpo_qa
Tick the \textbf{false} assertion.	24	epfl_qa	epfl_dpo_qa
Select the \emph{incorrect} statement. Problems in Bluetooth includes:?	25	epfl_qa	epfl_dpo_qa
Which of the following is \textbf{not} a finite field.	26	epfl_qa	epfl_dpo_qa
Thick the \emph{incorrect} assertion.	27	epfl_qa	epfl_dpo_qa
Which of the following statements is extbf{incorrect} ? Training a model with $L_1$-regularization ...	28	epfl_qa	epfl_dpo_qa
Let $\mathcal{C}$ be the $(6,3)$ linear code on $\mathbb{F}_3$ whose parity-check matrix is egin{equation} H = egin{pmatrix} 2 &0 &1 &1 &1 &0 \ 1 &2 &0 &0 &1 &1 \ 0 &0 &0 &1 &1 &1 \end{pmatrix}. \end{equation} True or false: The matrix egin{equation} ilde{H} = egin{pmatrix} 1 &0 &2 &2 &2 &0 \ 2 &1 &0 &0 &2 &2 \ 0 &0 &0 &2 &2 &2 \end{pmatrix} \end{equation} is also a valid parity-check matrix for $\mathcal{C}$.	29	epfl_qa	epfl_dpo_qa
Feature degeneracy:?	30	epfl_qa	epfl_dpo_qa
What is WRONG regarding the Transformer model?	31	epfl_qa	epfl_dpo_qa
What is $\lambda (91)$, i.e. the exponent of $\mathbb{Z}_{91}^*$?	32	epfl_qa	epfl_dpo_qa
Let $n$ be an integer. Which of the following is \emph{not} a group in the general case?	33	epfl_qa	epfl_dpo_qa
Tick the \emph{wrong} assertion concerning 3G.	34	epfl_qa	epfl_dpo_qa
Tick the \textbf{false} statement regarding the DES round function.	35	epfl_qa	epfl_dpo_qa
Let $G$, be a valid generator matrix of dimensions $\mathbb F^{k imes n}$. Recall that ``valid'' means that $k \leq n$ and $ ext{rank}(G) = k$. Let $D_1 \in \mathbb F^{k imes k}$ and $D_2 \in \mathbb F^{n imes n}$ be diagonal matrices with non-zero diagonal elements. True or false: $D_1 \cdot G \cdot D_2$ is also a valid generator matrix.	36	epfl_qa	epfl_dpo_qa
The Vernam cipher \ldots?	37	epfl_qa	epfl_dpo_qa
When using linear regression, which techniques improve your result? (One or multiple answers)?	38	epfl_qa	epfl_dpo_qa
When using linear regression, what can cause numerical instabilities? (One or multiple answers)?	39	epfl_qa	epfl_dpo_qa
Tick the \textbf{true} assertion. Let $X$ be a random variable that is equal to zero with probability 1/2 and to 1 with probability 1/2. Since the variance of $X$ is $V(X)=E((X-E(X))^2)= E(X^2)-(E(X))^2$, here $V(X)$ is:?	40	epfl_qa	epfl_dpo_qa
Which of the following scheduler policies are preemptive?	41	epfl_qa	epfl_dpo_qa
Suppose that an item in a leaf node N exists in every path. Which one is correct?	42	epfl_qa	epfl_dpo_qa
When using linear regression, which techniques improve your result? (One or multiple answers)?	43	epfl_qa	epfl_dpo_qa
Which adversarial model corresponds to Linear Cryptanalysis?	44	epfl_qa	epfl_dpo_qa
Suppose that an item in a leaf node N exists in every path. Which one is correct?	45	epfl_qa	epfl_dpo_qa
In an FP tree, the leaf nodes are the ones with:?	46	epfl_qa	epfl_dpo_qa
Which protocol does \emph{not} use RC4.	47	epfl_qa	epfl_dpo_qa
(Robustness) The $l_{1}$ loss is less sensitive to outliers than $l_{2}$.	48	epfl_qa	epfl_dpo_qa
What is the support of the itemset {beer, chocolate} and the confidence of the rule {chocolate} → {beer} in the dataset below?TID: Items BoughtT1: milk, butter, beerT2: milk, diaper, beer, eggsT3: butter, diaper, beer, chocolate T4: milk, butter, diaper, beerT5: milk, butter, diaper, chocolate ?	49	epfl_qa	epfl_dpo_qa
Tick the \textbf{false} statement.	50	epfl_qa	epfl_dpo_qa
Tick the \textbf{non-commutative} operation.	51	epfl_qa	epfl_dpo_qa
In order to have security of $2^{128}$ against key recovery attack for a (secure) symmetric key encryption scheme \ldots?	52	epfl_qa	epfl_dpo_qa
The Kerckhoffs Principle states that ...	53	epfl_qa	epfl_dpo_qa
How many different simple substitution ciphers do exist with respect to an alphabet of 26 characters?	54	epfl_qa	epfl_dpo_qa
Recall that we say that a kernel $K: \R imes \R ightarrow \R $ is valid if there exists $k \in \mathbb{N}$ and $\Phi: \R ightarrow \R^k$ such that for all $(x, x') \in \R imes \R $, $K(x, x') = \Phi(x)^ op \Phi(x')$. The kernel $K(x, x') = \cos(x + x')$ is a valid kernel.	55	epfl_qa	epfl_dpo_qa
When representing the adjacency list of a Web page in a connectivity server by using a reference list from another Web page, the reference list is searched only in a neighboring window of the Web page's URL, because:?	56	epfl_qa	epfl_dpo_qa
Let $X$, $Y$, and $K$ be respectively the plaintext, ciphertext, and key distributions. $H$ denotes the Shannon entropy. The consequence of perfect secrecy is \dots?	57	epfl_qa	epfl_dpo_qa
For $K$ a field, $a,b\in K$ with $4a^3+27b^2 \neq 0$, $E_{a,b}(K)$ is?	58	epfl_qa	epfl_dpo_qa
MD5 is?	59	epfl_qa	epfl_dpo_qa
For $p$ prime and an arbitrary odd $n$, the symbol $\left( {p \over n} \right)$ denotes?	60	epfl_qa	epfl_dpo_qa
Select the \emph{incorrect} statement.	61	epfl_qa	epfl_dpo_qa
A vending machine dispensing books of stamps accepts only $1 bills, $2 bills and $5 bills. Find a recurrence relation for the number of ways to deposit $$n$$ dollars in the vending machine, where the order in which the coins and bills are deposited matters.	62	epfl_qa	epfl_dpo_qa
Mean Square Error loss:?	63	epfl_qa	epfl_dpo_qa
What should be the type of value ? // list: List[String] list.foldLeft(value)((x, y) => x + y.length)?	64	epfl_qa	epfl_dpo_qa
Which of the following statement(s) is/are correct?	65	epfl_qa	epfl_dpo_qa
Which of the following statements are true?	66	epfl_qa	epfl_dpo_qa
Given graph 1→2, 1→3, 2→3, 3→2, switching from Page Rank to Teleporting PageRank will have an influence on the value(s) of:?	67	epfl_qa	epfl_dpo_qa
What adversarial model does not make sense for a message authentication code (MAC)?	68	epfl_qa	epfl_dpo_qa
Given 3 users with ratings u1: 1, 3 u2: 2, 4 u3: 1, 4?	69	epfl_qa	epfl_dpo_qa
CBC can deal with three types of IV. Tick the \emph{false} answer.	70	epfl_qa	epfl_dpo_qa
Which of the following congruence classes has a multiplicative inverse?	71	epfl_qa	epfl_dpo_qa
Tick the \textbf{true} assertion. In a zero-knowledge interactive proof for $L$, \ldots?	72	epfl_qa	epfl_dpo_qa
Which of the following is true regarding the random forest classification algorithm?	73	epfl_qa	epfl_dpo_qa
Let $n$ be any positive integer. Three of the following assertions are equivalent. Tick the remaining one.	74	epfl_qa	epfl_dpo_qa
Tick the \emph{true} assertion among the followings:?	75	epfl_qa	epfl_dpo_qa
In WEP\dots?	76	epfl_qa	epfl_dpo_qa
Which of the following integers has the square roots $\{2,3\}$ when taken modulo $5$ \textbf{and} the square roots $\{3,10\}$ when taken modulo $13$.	77	epfl_qa	epfl_dpo_qa
Given that JOS has correctly initialized the IDT and installed all the interrupt handlers. Which of the following will JOS do if the CPU with CPL = 3 tries to read the memory in data segment with DPL = 0?	78	epfl_qa	epfl_dpo_qa
Which of the following is true for Recommender Systems (RS)?	79	epfl_qa	epfl_dpo_qa
The feature ``deck structure type'' can have the following values: Cast-in-place Concrete, Concrete Precast Panel, Open Grating, Closed Grating, Steel plate, Corrugated Steel, Aluminum and Timber. For logistic regression, what is the best encoding for these values? (One or multiple answers)?	80	epfl_qa	epfl_dpo_qa
The multiplication of two quadratic residues ...	81	epfl_qa	epfl_dpo_qa
Which of the following algorithms is \emph{not} a hash function?	82	epfl_qa	epfl_dpo_qa
Which of the following scheduler policies are preemptive?	83	epfl_qa	epfl_dpo_qa
The worst case complexity of an exaustive search (with memory) against DES is\dots?	84	epfl_qa	epfl_dpo_qa
Let $(G,+)$ be a group of order $n$. If $g$ is a generator of this group, then it has order\dots?	85	epfl_qa	epfl_dpo_qa
Bluetooth pairing v2.0 is based on\dots?	86	epfl_qa	epfl_dpo_qa
Let $E$ be an elliptic curve. Solving which of the following problems would help you to break Elliptic Curve Diffie-Hellman (ECDH) over $E$?	87	epfl_qa	epfl_dpo_qa
The CRT implies?	88	epfl_qa	epfl_dpo_qa
What is the mean squared error of $f$ for a sample, where $\textbf{x}$ is an input, $y$ a target and $f(\textbf{x},W)$ the mapping function ? (One answer)?	89	epfl_qa	epfl_dpo_qa
You are given the following collection of premises: If I go to the museum, it either rains or snows. I went to the museum on Saturday or I went to the museum on Sunday. It did not rain and it did not snow on Saturday. It did not rain on Sunday. Which conclusions can be drawn from these premises ? (more than one answer can be correct)?	90	epfl_qa	epfl_dpo_qa
In the first pass over the database of the FP Growth algorithm?	91	epfl_qa	epfl_dpo_qa
Tick the \textbf{false} assertion.	92	epfl_qa	epfl_dpo_qa
Which of the following graph analysis techniques do you believe would be most appropriate to identify communities on a social graph?	93	epfl_qa	epfl_dpo_qa
Which of the following is correct regarding schemas and ontologies?	94	epfl_qa	epfl_dpo_qa
In RSA, we use CRT ...	95	epfl_qa	epfl_dpo_qa
Suppose that q is density reachable from p. The chain of points that ensure this relationship are {t,u,g,r}. Which of the following is always true?	96	epfl_qa	epfl_dpo_qa
Tick the \textbf{correct} assertion. Let $G$ be a cyclic multiplicative group of order $101$, let $g$ be a generator of $G$, and let $e_G$ be the neutral element of $G$.	97	epfl_qa	epfl_dpo_qa
Tick the \textit{correct} assertion.	98	epfl_qa	epfl_dpo_qa
Let $\mathcal{C}$ be a binary $(6,3)$ linear code containing the codewords $\mathbf{x}_1 = 011011$, $\mathbf{x}_2 = 101101$ and $\mathbf{x}_3 = 111000$. True or false: The minimum distance of the code is $d_{\min} = 3$.	99	epfl_qa	epfl_dpo_qa

The Shannon theorem states that perfect secrecy implies...

0

epfl_qa

epfl_dpo_qa

Tick the \emph{incorrect} assertion. The perfect cipher over $\left\{ 0,1 \right\}^\ell$ is \dots?

1

epfl_qa

epfl_dpo_qa

Let $n$ be an integer. What is the cardinality of $\mathbf{Z}^*_n$?

2

epfl_qa

epfl_dpo_qa

(Nearest Neighbor) The training error of the 1-nearest neighbor classifier is zero.

3

epfl_qa

epfl_dpo_qa

You are given the task of choosing the parameters of a hash function. What value of the output will you recommend in order to be minimal and secure against second preimage attacks?

4

epfl_qa

epfl_dpo_qa

A query transformed into the concept space of LSI has?

5

epfl_qa

epfl_dpo_qa

How many different simple substitution ciphers do exist with respect to an alphabet of 26 characters?

6

epfl_qa

epfl_dpo_qa

In JOS, suppose one Env sends a page to another Env. Is the page copied?

7

epfl_qa

epfl_dpo_qa

(Bayes Nets) We are given a Bayes net involving the variables $X_{1}, \cdots, X_{n}$. We determine, using our standard rules, that $X_{1} \perp X_{2} \mid X_{3}$. Assume now that you delete some edges in the original Bayes net. For the modified Bayes net, is it always true that $X_{1} \perp X_{2} \mid X_{3}$ ?

8

epfl_qa

epfl_dpo_qa

A MAC forgery is\dots?

9

epfl_qa

epfl_dpo_qa

Select the morpho-syntactic categories that do not carry much semantic content and are thus usually filtered-out from indexing.

10

epfl_qa

epfl_dpo_qa

Let $n$ be an integer. Which of the following is \emph{not} a group in the general case?

11

epfl_qa

epfl_dpo_qa

Determine which of the following conditional statements evaluate to true (more than one answer can be correct):?

12

epfl_qa

epfl_dpo_qa

Tick the \textbf{false} assertion. $C(P_0,P_1)\ldots$?

13

epfl_qa

epfl_dpo_qa

Which of the following statement(s) is/are correct?

14

epfl_qa

epfl_dpo_qa

In JOS, after finishing the execution of a user-level page fault handler, how is the program control flow transferred back to the program? (You may get insights from the code snippet of _pagefault_upcall.)?

15

epfl_qa

epfl_dpo_qa

Which of the following statements regarding distant supervision is correct?

16

epfl_qa

epfl_dpo_qa

When computing PageRank iteratively, the computation ends when:?

17

epfl_qa

epfl_dpo_qa

The multiplication of two quadratic residues ...

18

epfl_qa

epfl_dpo_qa

Information extraction:?

19

epfl_qa

epfl_dpo_qa

Church booleans are a representation of booleans in the lambda calculus. The Church encoding of true and false are functions of two parameters: Church encoding of tru: t => f => t Church encoding of fls: t => f => f What should replace ??? so that the following function computes not(b and c)? b => c => b ??? (not b)?

20

epfl_qa

epfl_dpo_qa

Which of the following is/are typical AddressSanitizer use cases?

21

epfl_qa

epfl_dpo_qa

Tick the \emph{false} answer. In a group, the operation\dots?

22

epfl_qa

epfl_dpo_qa

When using linear regression, which techniques improve your result? (One or multiple answers)?

23

epfl_qa

epfl_dpo_qa

Tick the \textbf{false} assertion.

24

epfl_qa

epfl_dpo_qa

Select the \emph{incorrect} statement. Problems in Bluetooth includes:?

25

epfl_qa

epfl_dpo_qa

Which of the following is \textbf{not} a finite field.

26

epfl_qa

epfl_dpo_qa

Thick the \emph{incorrect} assertion.

27

epfl_qa

epfl_dpo_qa

Which of the following statements is extbf{incorrect} ? Training a model with $L_1$-regularization ...

28

epfl_qa

epfl_dpo_qa

Let $\mathcal{C}$ be the $(6,3)$ linear code on $\mathbb{F}_3$ whose parity-check matrix is egin{equation*} H = egin{pmatrix} 2 &0 &1 &1 &1 &0 \ 1 &2 &0 &0 &1 &1 \ 0 &0 &0 &1 &1 &1 \end{pmatrix}. \end{equation*} True or false: The matrix egin{equation*} ilde{H} = egin{pmatrix} 1 &0 &2 &2 &2 &0 \ 2 &1 &0 &0 &2 &2 \ 0 &0 &0 &2 &2 &2 \end{pmatrix} \end{equation*} is also a valid parity-check matrix for $\mathcal{C}$.

29

epfl_qa

epfl_dpo_qa

Feature degeneracy:?

30

epfl_qa

epfl_dpo_qa

What is WRONG regarding the Transformer model?

31

epfl_qa

epfl_dpo_qa

What is $\lambda (91)$, i.e. the exponent of $\mathbb{Z}_{91}^*$?

32

epfl_qa

epfl_dpo_qa

Let $n$ be an integer. Which of the following is \emph{not} a group in the general case?

33

epfl_qa

epfl_dpo_qa

Tick the \emph{wrong} assertion concerning 3G.

34

epfl_qa

epfl_dpo_qa

Tick the \textbf{false} statement regarding the DES round function.

35

epfl_qa

epfl_dpo_qa

Let $G$, be a valid generator matrix of dimensions $\mathbb F^{k imes n}$. Recall that ``valid'' means that $k \leq n$ and $ ext{rank}(G) = k$. Let $D_1 \in \mathbb F^{k imes k}$ and $D_2 \in \mathbb F^{n imes n}$ be diagonal matrices with non-zero diagonal elements. True or false: $D_1 \cdot G \cdot D_2$ is also a valid generator matrix.

36

epfl_qa

epfl_dpo_qa

The Vernam cipher \ldots?

37

epfl_qa

epfl_dpo_qa

When using linear regression, which techniques improve your result? (One or multiple answers)?

38

epfl_qa

epfl_dpo_qa

When using linear regression, what can cause numerical instabilities? (One or multiple answers)?

39

epfl_qa

epfl_dpo_qa

Tick the \textbf{true} assertion. Let $X$ be a random variable that is equal to zero with probability 1/2 and to 1 with probability 1/2. Since the variance of $X$ is $V(X)=E((X-E(X))^2)= E(X^2)-(E(X))^2$, here $V(X)$ is:?

40

epfl_qa

epfl_dpo_qa

Which of the following scheduler policies are preemptive?

41

epfl_qa

epfl_dpo_qa

Suppose that an item in a leaf node N exists in every path. Which one is correct?

42

epfl_qa

epfl_dpo_qa

When using linear regression, which techniques improve your result? (One or multiple answers)?

43

epfl_qa

epfl_dpo_qa

Which adversarial model corresponds to Linear Cryptanalysis?

44

epfl_qa

epfl_dpo_qa

Suppose that an item in a leaf node N exists in every path. Which one is correct?

45

epfl_qa

epfl_dpo_qa

In an FP tree, the leaf nodes are the ones with:?

46

epfl_qa

epfl_dpo_qa

Which protocol does \emph{not} use RC4.

47

epfl_qa

epfl_dpo_qa

(Robustness) The $l_{1}$ loss is less sensitive to outliers than $l_{2}$.

48

epfl_qa

epfl_dpo_qa

What is the support of the itemset {beer, chocolate} and the confidence of the rule {chocolate} → {beer} in the dataset below?TID: Items BoughtT1: milk, butter, beerT2: milk, diaper, beer, eggsT3: butter, diaper, beer, chocolate T4: milk, butter, diaper, beerT5: milk, butter, diaper, chocolate ?

49

epfl_qa

epfl_dpo_qa

Tick the \textbf{false} statement.

50

epfl_qa

epfl_dpo_qa

Tick the \textbf{non-commutative} operation.

51

epfl_qa

epfl_dpo_qa

In order to have security of $2^{128}$ against key recovery attack for a (secure) symmetric key encryption scheme \ldots?

52

epfl_qa

epfl_dpo_qa

The Kerckhoffs Principle states that ...

53

epfl_qa

epfl_dpo_qa

How many different simple substitution ciphers do exist with respect to an alphabet of 26 characters?

54

epfl_qa

epfl_dpo_qa

Recall that we say that a kernel $K: \R imes \R ightarrow \R $ is valid if there exists $k \in \mathbb{N}$ and $\Phi: \R ightarrow \R^k$ such that for all $(x, x') \in \R imes \R $, $K(x, x') = \Phi(x)^ op \Phi(x')$. The kernel $K(x, x') = \cos(x + x')$ is a valid kernel.

55

epfl_qa

epfl_dpo_qa

When representing the adjacency list of a Web page in a connectivity server by using a reference list from another Web page, the reference list is searched only in a neighboring window of the Web page's URL, because:?

56

epfl_qa

epfl_dpo_qa

Let $X$, $Y$, and $K$ be respectively the plaintext, ciphertext, and key distributions. $H$ denotes the Shannon entropy. The consequence of perfect secrecy is \dots?

57

epfl_qa

epfl_dpo_qa

For $K$ a field, $a,b\in K$ with $4a^3+27b^2 \neq 0$, $E_{a,b}(K)$ is?

58

epfl_qa

epfl_dpo_qa

MD5 is?

59

epfl_qa

epfl_dpo_qa

For $p$ prime and an arbitrary odd $n$, the symbol $\left( {p \over n} \right)$ denotes?

60

epfl_qa

epfl_dpo_qa

Select the \emph{incorrect} statement.

61

epfl_qa

epfl_dpo_qa

A vending machine dispensing books of stamps accepts only $1 bills, $2 bills and $5 bills. Find a recurrence relation for the number of ways to deposit $$n$$ dollars in the vending machine, where the order in which the coins and bills are deposited matters.

62

epfl_qa

epfl_dpo_qa

Mean Square Error loss:?

63

epfl_qa

epfl_dpo_qa

What should be the type of value ? // list: List[String] list.foldLeft(value)((x, y) => x + y.length)?

64

epfl_qa

epfl_dpo_qa

Which of the following statement(s) is/are correct?

65

epfl_qa

epfl_dpo_qa

Which of the following statements are true?

66

epfl_qa

epfl_dpo_qa

Given graph 1→2, 1→3, 2→3, 3→2, switching from Page Rank to Teleporting PageRank will have an influence on the value(s) of:?

67

epfl_qa

epfl_dpo_qa

What adversarial model does not make sense for a message authentication code (MAC)?

68

epfl_qa

epfl_dpo_qa

Given 3 users with ratings u1: 1, 3 u2: 2, 4 u3: 1, 4?

69

epfl_qa

epfl_dpo_qa

CBC can deal with three types of IV. Tick the \emph{false} answer.

70

epfl_qa

epfl_dpo_qa

Which of the following congruence classes has a multiplicative inverse?

71

epfl_qa

epfl_dpo_qa

Tick the \textbf{true} assertion. In a zero-knowledge interactive proof for $L$, \ldots?

72

epfl_qa

epfl_dpo_qa

Which of the following is true regarding the random forest classification algorithm?

73

epfl_qa

epfl_dpo_qa

Let $n$ be any positive integer. Three of the following assertions are equivalent. Tick the remaining one.

74

epfl_qa

epfl_dpo_qa

Tick the \emph{true} assertion among the followings:?

75

epfl_qa

epfl_dpo_qa

In WEP\dots?

76

epfl_qa

epfl_dpo_qa

Which of the following integers has the square roots $\{2,3\}$ when taken modulo $5$ \textbf{and} the square roots $\{3,10\}$ when taken modulo $13$.

77

epfl_qa

epfl_dpo_qa

Given that JOS has correctly initialized the IDT and installed all the interrupt handlers. Which of the following will JOS do if the CPU with CPL = 3 tries to read the memory in data segment with DPL = 0?

78

epfl_qa

epfl_dpo_qa

Which of the following is true for Recommender Systems (RS)?

79

epfl_qa

epfl_dpo_qa

The feature ``deck structure type'' can have the following values: Cast-in-place Concrete, Concrete Precast Panel, Open Grating, Closed Grating, Steel plate, Corrugated Steel, Aluminum and Timber. For logistic regression, what is the best encoding for these values? (One or multiple answers)?

80

epfl_qa

epfl_dpo_qa

The multiplication of two quadratic residues ...

81

epfl_qa

epfl_dpo_qa

Which of the following algorithms is \emph{not} a hash function?

82

epfl_qa

epfl_dpo_qa

Which of the following scheduler policies are preemptive?

83

epfl_qa

epfl_dpo_qa

The worst case complexity of an exaustive search (with memory) against DES is\dots?

84

epfl_qa

epfl_dpo_qa

Let $(G,+)$ be a group of order $n$. If $g$ is a generator of this group, then it has order\dots?

85

epfl_qa

epfl_dpo_qa

Bluetooth pairing v2.0 is based on\dots?

86

epfl_qa

epfl_dpo_qa

Let $E$ be an elliptic curve. Solving which of the following problems would help you to break Elliptic Curve Diffie-Hellman (ECDH) over $E$?

87

epfl_qa

epfl_dpo_qa

The CRT implies?

88

epfl_qa

epfl_dpo_qa

What is the mean squared error of $f$ for a sample, where $\textbf{x}$ is an input, $y$ a target and $f(\textbf{x},W)$ the mapping function ? (One answer)?

89

epfl_qa

epfl_dpo_qa

You are given the following collection of premises: If I go to the museum, it either rains or snows. I went to the museum on Saturday or I went to the museum on Sunday. It did not rain and it did not snow on Saturday. It did not rain on Sunday. Which conclusions can be drawn from these premises ? (more than one answer can be correct)?

90

epfl_qa

epfl_dpo_qa

In the first pass over the database of the FP Growth algorithm?

91

epfl_qa

epfl_dpo_qa

Tick the \textbf{false} assertion.

92

epfl_qa

epfl_dpo_qa

Which of the following graph analysis techniques do you believe would be most appropriate to identify communities on a social graph?

93

epfl_qa

epfl_dpo_qa

Which of the following is correct regarding schemas and ontologies?

94

epfl_qa

epfl_dpo_qa

In RSA, we use CRT ...

95

epfl_qa

epfl_dpo_qa

Suppose that q is density reachable from p. The chain of points that ensure this relationship are {t,u,g,r}. Which of the following is always true?

96

epfl_qa

epfl_dpo_qa

Tick the \textbf{correct} assertion. Let $G$ be a cyclic multiplicative group of order $101$, let $g$ be a generator of $G$, and let $e_G$ be the neutral element of $G$.

97

epfl_qa

epfl_dpo_qa

Tick the \textit{correct} assertion.

98

epfl_qa

epfl_dpo_qa

Let $\mathcal{C}$ be a binary $(6,3)$ linear code containing the codewords $\mathbf{x}_1 = 011011$, $\mathbf{x}_2 = 101101$ and $\mathbf{x}_3 = 111000$. True or false: The minimum distance of the code is $d_{\min} = 3$.

99

epfl_qa

epfl_dpo_qa