Databases Questions and Answers November 29, 2019

Briefly describe multiprocessing Briefly describe parallel processing Briefly describe symmetric configuration

Write a program that reverses a string and prints it on the screen. The sentence may contain spaces and the maximum number of characters including in the sentence is 99. Sample input /output: CAUsers P-2633 Desktop file.exe Enter a string to be reversed Hi There reversed string : erehT iH Process returned

Problem 3 : Sets and Counterexamples Show that for arbitrary sets A , B , and C , taken from the universe { 1 , 2 , 3 , 4 } , the following claims are not always true by using a simple counter example for each: ( a ) ( A B ) s u p ( A B C ) ( b ) if Csube ( A B ) , then ( A B ) s u b e C ( c ) if ( A B ) s u b e C , then Csube ( A B ) show work

Compulsory misses are those that occur in an cache ) infinite 2 way Set associate 4 way set Associate 8 way set associate Direct

To Add Users or Groups to Existing Permissions List on a registry hive Start registry editor regedit Click the key that you want to change the Permissions list for. On the Edit menu, click Permissions, and then click Add. In the Locations box of the Select Users, Computers, or Groups dialog box, click the computer or domain of the users and groups

Black - box testing is based on the types of the parameters.Group of answer choicesTrueFalse

IN JAVA PART A. Write a program FitnessPlanner_1 that asks the user to enter his/her weight in lbs, how many chicken nuggets were eaten, average walk speed in mph (typically 3 mph, which is a 20minute mile pace), and average run speed in mph (typically 6 mph, which is a 10minute mile pace). The program should then output how long the user needs to

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Problem 3 A random walk is a stochastic process that describes the path of successive random steps on some mathematical space (we'll use integers for this problem). A simple example (1-D random walk) would be starting at position 0, moving +1 or -1 steps with equal probability, and repeating for the number of total steps. a) Write a function that

Simplify the following Boolean functions by use of K-maps: (a) F(a,b,c,d) = (1,3,4,5,6,7,9,11,13,15) (b) G(w,x,y,z) = (2,3,6,7,12,13,14) (c) H(i,j,k,l) - (1,4,5,6,12,14,15)

plz provide with python coding thanks! Q5. Distance traveled by a particle ( 20 points) On Canvas course webpage under Files > Assignments, you will find a file called velocities.txt. The file contains two columns, the first represent time t in s and the second column is the velocity (in the x-direction) in ms1 of a particle at the corresponding

matlab plz 3. [3 pts] Create a vector x from should be 2 to +2 with an increment of 1. Your vector x = (2. -1.0, 1, 2] a. Find the absolute value of each member of the vector b. Find the square root of each member of the vector 4. [3 pts Create a vector x from 9 to 12 with an increment of 3. a. Find the result of x divided by 2. b. Find the

Develop a function template for finding average of elements contained in an array Develop a class template for creating a stack with push pop and display operations. Write a main function to create stack of integers and float numbers

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3. Consider a coin with unknown probability of getting head (let us say ). Let X be a random variable taking value 1 if head appears and 0 if tail appears. Let us assume that we are given a set of 15 independent samples {1,1,0,0,1,1,1,0,1,0,1,1,1,0,1}. Assume that the probability mass function of X is parameterized by and is defined as

Experiment 3 1.Johnson counter() 1.Johnson counter() 0 1 Q3Q2Q1Q0=0000 2. Design of Beat Pulse Generator Using Johnson Counter() 2. Design of Beat Pulse Generator Using Johnson Counter()

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What are 2 of the common attacks and hacks used against packet filtering firewalls? What counter measures can be deployed to prevent these problems?

16. Fill in the blank so the count method counts the number of O's in the first n elements of an array and returns it. for example: if we invoke the method with counto (arr, 10); and arr contains {0, 1, 2, 25, 26, 0, 27, 8, 0, 0} it will return the number 4. public static void int counto (int [] nums, int N) int count = 0; for (int k = 0; k

C Programming For your lab, you will write a small utility to determine whether a store customer has exceeded the credit limit on their account. To accomplish this, your program will accept as input five values, listed below: Account Number (an integer value) The customers balance at the beginning of the month The total of all items charged by the

Write a MATLAB script file that generates a vector named x that contains the Fourier Series shown below for the terms n 1.3, 5,99 where the fundamental frequency is fo 1 Hz Also, plot the result for values of t from-1 to 1 second using the command "h = plot(t,x%" and label the axes and title the plot. Use at least 500 points in the plot for a

A game designer is requesting you to develop a turn-based combat system between a player and an enemy. They have given you the following UML diagrams as an outline. Character +PlayerHP: int (default value = 30) +EnemyHP: int (default value = 30) +Speed: int (default value = 6) +Attack: int (default value = 2) -Damage: int +Name: string +Potions:

In these graphs, find: a) the largest clique b) the largest independent set In these graphs, find: a) the largest clique b) the largest independent set

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Design a synchronous base 14 counter that counts through the natural binary sequence from 0 (0000) to 13 (1101) and then returns to zero on the next count. Use JK flipflops to solve this problem. PLEASE SHOW THE CIRCUIT USING A SCREENSHOT FROM THE FOLLOWING WEBSITE: https://logic.ly/demo PLEASE SOLVE THIS PROBLEM WITH A SCREENSHOT FROM THE

Question 1: Apply Radix-Sort (LSD-First) on the following sequence of numbers. Show steps of sorting for each digit (corresponding to each column). [3] Question 2t a. Write the recursive solution for finding the length of the LCS (Longest Common Subsequence) [0.S] between twe strings. b. Find longest common sabsequence of the twe strings X and Y

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1 6 Which switching method has the lowest level of latency? store - and - forward fast - forward cut - through fragment - free Navigation Bar

#include #include using namespace std; int main() { int input; cout cin >> input; switch (input) { // Complete this switch statement in C++ } return 0; } You will write a program that uses a switch statement. First, have the user enter an integer as prompted below. If the number is 0 1, or 2 you should printNumber less than three if the number

Homework 1 about Conditionals: Write a program that receives an integer from the user and prints Large if that number is greater than or equal to 100 , prints average if that number is between 20 and 100, and prints Small if that number is less than or equal to 20 . You can get an input from user and convert it to an integer using a =

Task You will create a game Tic-Tac-Toe for two players. One player places the X pieces and the other player places the O pieces. The basic game board is a grid of 9 spaces, in a 3 x 3 arrangement. When one player covers an entire row, column or diagonal, the player wins the game. In this program, you will design a class TicTacToe with

C programming Struct PERSON Assignment >>> you must write comment explaining the code < < < Outcome: Student will demonstrate the ability to create a struct or structs using typedef Student will demonstrate the ability to create an array of structs Program Specifications: You are to DESIGN and WRITE a program the will CREATE and use three

Jonis Pancake House (CODE IN PYTHON) Joni's Pancake House is a growing restaurant business, and they'd like to upgrade their existing pen-and-paper system for tracking tickets to a digital point of sale system. They are asking you to design and build that point of sale program for them. The point of sale program must: Allow the waitstaff to input

If the following is a constructor public Account ( string accountName ) { Name = accountName; } Then what is the name of the class? Group of answer choices Account accountName Name None of the above.

Consider the grammar, G: SaAaIbBbAaAalbBbBbla Mark the correct Chomsky Normal Form Grammar(s) SPQRTab,PAPb,QQAb,RBRa,TTBaSPQRT,APQb,BRTa,QAP,TBR,Pa,RbSPQRT,APQb,BRTIa,PQA

he court. Sometimes, the court requests that the driver's license be suspended, and the tem that processes driver's licenses handles the suspension. 1. To what events must the ticket-processing system respond? List each event, the type of event, the resulting use case, and the actor(s). Think carefully about who the actors are. Does the officer

What is the purpose of a default schema in SQL Server? Group of answer choices It defines the authentication method for users. It specifies the database s default collation. It stores backup copies of database objects. It simplifies object references for users.

Question 1 ( 1 point ) The ALU is capable of performing arithmetic and logical operations True False

Sonraki soruya gectiginizde bu yanitta deisiklik yapilmasi onnlenir. Consider the NFA A,M={Q,,A,{D},}, in which Q={A,B,C,D},={0,1} and : Mark the state transition table(s) of the deterministic FA that will recognize L(M). \begin{tabular}{|l|l|l|} \hline State Unput & 0 & 1 \\ \hline \end{tabular}

Assume that at time 5 no system resources are being used except for the processor and memory. Now consider the following events At time 5: P1 executes a command to read from disk unit 3. At time 15: P5's time slice expires. At time 18: P7 executes a command to write to disk unit 3. At time 20: P3 executes a command to read from disk unit 2. At

Please code it in java , thank you Pliers 1111 8.49 12.00 10 Hammer 2222 6.98 9.90 23 Saw 3333 2.69 6.50 3 Screwdriver 4444 1.59 3.56 8 Box Nails 5555 1.89 3.34 17 using the attached file create a report with the following columns Item Description, item number, Cost, Price, , quantity, Profit Profit is calculated as Price-Cost * quantity 3

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Fill in the blank in the code of Cholesky decomposition given below.

1. What is the difference between the WWW and the Internet? 2. Describe the steps how the web works from the user's perspective. 3. What is the difference between web clients and web servers? 4. What is the role of a DNS server? 5. Which protocol is used to exchange information on the Internet? 6. Which protocol is used for web documents? 7. What

Numpy and Python. a) Implement back substitution in Python, using Numpy. Use simple numpy function, f.ex. numpy.dot. Solve for Rx = b, where R = numpy.array([[1,4,1], [0,6,4], [0,0,2]]) is the upper triangle matrix and b = numpy.array([3,2,1]) is the lower triangle matrix. Use the following code: def backsub(R,b): """ back substitution input: n x

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please write in PYTHON. Thanks (The Point class) Design a class named Point to represent a point with x- and y-coordinates. The class contains: - Two private data fields x and y that represent the coordinates with get methods. - A constructor that constructs a point with specified coordinates, with default point (0, 0). - A method named distance

In a virtual reality ( VR ) environment, enabling users to act on objects, such as using a data glove to pick up and move objects, is known as interaction simulation telepresence

PLEASE USE PYTHON Below we use the pocket algorithm to find a linear separator w for the breast cancer data and then output its E_in What is the accuracy? That is, what percentage of the datapoints does the classifier w classify correctly? Change the code below so that the accuracy is printed as well as E_in. In [22]: xnp.ones (D.shape

Although not required, documentation using _ _ _ _ enables the programmer to visually display an OOP design methodology. A . UML B . The comment feature C . Member access operators D . XML

Submit an ARM assembly program that does the following: 1. Prompt for the user to enter a number (integer). 2. If the entered number is <100 print: "The input number is less than 100." 3. If the entered number is >=100 print: "The input number is greater than or equal to 100." 4. Prompt for the user to enter a single character. 5. If the entered

Just need the accurate answer or option. no need to explain sir. Chomsky Normal Form (4 points) 4.0 points possible (graded, results hidden) Consider the following grammar S Aa A abc BAA SB BABE Answer the following questions based on the grammar above. 1. Which of the following variables are nullable? A B S 2. After removing the nullable/epsilon

0 8 0 4 4 8 3 9 c 0 8 0 4 8 3 9 D 0 8 0 4 8 3 9 E 0 8 0 4 8 3 9 F 0 8 0 4 8 3 A 0 0 8 0 4 8 3 A 1 0 8 0 4 8 3 A 2 0 8 0 4 8 3 A 3 0 8 0 4 8 3 A 4 , give the 4 preceding memory addresses from lowest numbered to highest numbered address

In the code: Console.WriteLine ( $"Initial name is: { myAccount . Name } " ) ; the expression myAccount.Name explicitly invokes the Name property's get accessor to get the value of myAccount's instance variable name. Group of answer choices True. False.

QUESTION 6 Antes de hacer una organizaci n de burbuja, los datos deben ser almacenados en orden descendente. True False

for Python 3 Prompt the user how many employees will be entered -take input for an employee, prompt the user for a name, hours worked, and hourly rate. If the employee works over 40 hours, they should receive 1.5 times their hourly rate for all hours worked over 40. Print the employee name and the amount the employee should be paid. Display the

Select all that apply Which of the following statements are true regarding Web pages as distribution channels? Multiple select question. Web pages display the products and ways to purchase the products. Web pages are used as a means of promotion as well as distribution. Web page capabilities and uses for distribution are shrinking daily. Web pages

Which of the following are NOT true about writing paragraphs? Select one: a . The main idea of each paragraph is usually expressed somewhere in the paragraph by one sentence. b . A paragraph s topic sentence is usually found at the beginning of the paragraph. c . The rest of the paragraph generally expands the theme contained in the main / topic

In Java program this method (10) Create a function public static HashMap (String words) which takes as input an array of strings and returns a HashMap where the keys are the strings that appear in the array and the values are the number of times that the word appears in the array

Please, can someone correct the error messages?? ie send CTRL-ALT-DEL + Disconnect Auto hide SQL Worksheet History 0.026 ID, (DI ID) AS OF ),2) AS ROUND (SUM (PROFIT),2) AS TOTAL PROF FROM ORDER ITEMS OI, ORDERS O WHERE OI.ORDER ID 0.ORDER ID GROUP BY ROLLUP ID) ORDER BY OMBER OF ORDERS: Saipt Output x Error starting at line : 22 in command -

Can I get some help? /** * This Java program inlcudes several errors. One error will keep it from compiling. * The remaining errors will throw exceptions and/or prevent correct output. * * Some errors could be the result of bad typing; some errors are the results of bad logic. * There are NO COMMENTS in this code, and not a lot of whitespace. * *

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Need Solutions with these questions please help... Wireless Security- Assessment Test Spring 2018 1. Enterprise-class access points and wireless LAN controllers may be monitored and configured using which of these protocols? (Choose 3) A PHP HTTPS CLSA D SMTP E SNMP 2. Which items, provided by a network manager, would NOT be beneficial to an

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Amazon, Apple, MS , and . . . continue to introduce the market with invasive, dystopian technologies that solve non - existent problems. It is preposterous that we will have to , [ voluntarily ! ] , provide biometric data to buy goods or services. The IT companies attempts to normalize biometric payment and home surveillance systems are making the

[ 4 Points ] Computable? Consider the function f : { 0 , 1 } * { 0 , 1 } * that is defined by f ( w ) = { 0 i f P N P 1 i f P = N P Is f computable in polynomial time? If not, is it computable? Explain your reasoning.

Wireless lan What is the frequency in Hertz of a signal that repeats YX, XXX times within one minute? What is its period, data rate and wavelength? (Where Y is the first number digit and X is the number of Os in your student id) What is the bandwidth of a signal composed of frequencies from YO Hz to Y00 Hz and data rate? (Where Y is the last

S Tab Window Help 1 1 Final Examir Login Coursicle | UVM My Account - TypeWhizz Fri Ju final - exam - 2 1 New Chrome a LETE 2 1 / 2 4 Steps Hello, sloane - rosentha Transcription 1 0 1 Final Examination Transcription 1 0 1 Course 2 0 2 1 > How To Track Multiple Speakers > Transcription 1 0 1 Final Examination Time limit: 0 0 : 5 6 : 0 7 People

Consider a scenario where a video call is made through Whatsapp from your cell phone and the receiver is your friend's cell phone over the Internet in real time. i ) Illustrate the same from connection establishment phase to connection tear down phase in normal case. ( Include the required protocols and message stream ) with neat sequence diagram.

Write an application that inputs five numbers, each between 10 and 100, inclusive. As each number is read, display it only if its not a duplicate of a number already read. Provide for the worst case, in which all five numbers are different. Use the smallest possible array to solve this problem. Display the complete set of unique values input after

2. You are layout editor for Town & Style Magazine, a luxury lifestyle magazine serving the St. Louis metropolitan area. You are given a collection of n news articles a1 . . . an, such that article ai occupies `i column inches. After laying out all the ads for the paper, you are left with n slots s1 . . . sn, such that sj can hold a news article

flowchart is a graphic representation of a process. A necessary step in improving a process is to flowchart it. in this way, all parties involved can begin with the same understanding of the process. It may be revealing to start the flowcharting process by asking several different team members who know the process to flowchart it independently.

The cloud regions are isolated from each other. Select one: True False

D Question 3 0 During a software development process, there is a perception that nothing is being done in one of the stages. Identify this stage. O A . Implementation stage OB . Maintenance stage OC . Research stage - pts OD . Testing stage

Can i please get help with problem 3? please, if possible, answer in a text format. JN/2) f(n/2); f(n/2); f(n/2); Problem 3. Let A[O...n-1) be an array of n distinct integers. A pair (Ali), A[]) is said to be an inversion if these numbers are out of order, i.e., i AG). Design a O(n log n) time algorithm for counting the number of inversions

Task 1: Provide a real software example scenario (provide the reference) where the confidentiality of data was breached. Also mention the amount of loss incurred and the steps taken to safeguard against future breaches. Task 2: Provide a real software example scenario (provide the reference) where the integrity of data was breached. Also mention

During pen testing, you need to identify the operating system of a system on the network. Which Nmap scan option would be best for this? Group of answer choices - Og - O - Pn - sS

(10pts) We are given a communication network that is an edge-weighted graph G-(V, E) The weight on each edge is at least 0 and at most 1, representing the reliability of the communication channel: it is the probability that the communication between the two endpoints will not fail. Design an O(E| log lEl) time algorithm to find the most reliable

Can't get this one to work please help. I am no expert I did follow the instruction but I guess I am missing something. COMP230 IP Address Array VBScript Program ' =================================== ' This initialize a 2-dimension array ' of IP Address. The first index +100 ' is the room# and the second index+1 ' is the computer# in the room. dim

The given statement is related to . . . If a problem has a polynomial solution with a multi - tape TM , it has also a polynomial solution with a standard TM . Being decidableBeing polynomially equivalentBeing equal in complexityBeing verifiableBeing recognizable

Please explain! Question 0. Manual Perceptron Training Below you can see the first 5 data points of the data set, all labeled as 'setosa'. Let's set the numerical value for 'setosa' to 1. (i.e. y = 1) In [5]: x[0:5], y[0:5] Out[5]: (array([[5.1, 1.4], [4.9, 1.4), [4.7, 1.3], [4.6, 1.5], [5. , 1.4]]), array([-1, -1, -1, -1, -1])) Suppose the

5 . 8 . 1 : LAB - Database programming with Python ( SQLite )

You want to refer to the case and our assigned readings/videos and you can refer to outside information (cite the source or the link and provide a short description of the link and how it fits with your discussion.) Continue the discussion during the week with your next comment to others by Tuesday and all final comments in by Saturday night.

Given the following unorderedLinkedList class, provide an implementation for the member function reverse. When the reverse function is called on an unorderedLinkedList object called mylist (e.g. mylist.reverse()), it will create a new unorderedLinkedList and insert the elements of mylist into the new list in reverse order and then return the new

1.Describe a business problem your university has that you would like to see solved. How can information technology help solve it? 2.Describe how you would solve a problem you face. Is the approach taken by a systems analyst as described in the text any different? 3.Many different types of information systems were described in this chapter. Give

5.7 A sequential circuit has one flip-flop Q.two inputs x and y, and one output S. It consists of a full-adder circuit connected to a D flip-flop, as shown in Fig. PS.Z Derive the state table and state diagram of the sequential circuit. Full adder C CIk Clock FIGURE PS.7 present state next state

you can use the string class's _ _ _ _ _ _ function for inserting characters within a string variable. a . add b . addition c . append d . insert

/*The questions in this assignment are about doing soccer analytics using SQL. The data is in tables England, France, Germany, Italy, and Spain. These tables contain more than 100 years of soccer game statistics. Follow the steps below to create your tables and familizarize yourself with the data. Then write SQL statements to answer the questions.

IN C + + you will develop a program that acts as a simple air traffic control simulator with one runway for landing and taking off. First, your program reads the simulation parameters: time length, landing time, takeoff time, landing arrival rate, and takeoff arrival rate. After running the simulation, your program will output the number of

To use this function, first create a vertical lookup table, with values to use for comparison listed in the left column of the table and corresponding output values in as many columns to the right as you like.

Which term describes the unique identifier that identifies a specific record in a table? A secondary key A schema A primary key A foreign key

Wi - Fi allows smartphones and other cellular devices to access data from the Internet when away from home, offices and buildings. Select one: True False

A _ _ _ _ _ is a named collection of formats you apply to text in a word processing document.Select one:A . templateB.styleC.headingD.orientation

System changeover is the process of transitioning from the new information system and retiring the old system. Changeover can be rapid or slow depending on the method chosen. Your system is almost completed and ready to be deployed. List and explain FOUR (4) types of system changeover methods that you can implement. *You may include a drawn

Review the example of the threats table. Make a threat table based on CIA (any target, e.g., Web server, Personal laptop, Email system, and so on) Examples of Threats

Exemplify the types of security threats to wireless networks and discuss how security is carries out in a ) WLAN. b ) Bluetooth.

Can somoene help me get started and finding he first couple please or like a good way to compare them? I think your supposed to like multiply both sides by logn or something and then divideby the same to find out which is bigger. so far i have the second equation as bgger than the first and thrd. ormation - 2018SP-15942-CX algbook.pdf

Analyzing an Ambiguous Grammar (2 points) 2.0 points possible graded, results hidden) Consider the following ambiguous context-free grammar. Saxaxx aX | X 1. The grammar above is ambiguous. So, there exist strings that have multiple leftmost derivations in this grammar. However, not all strings are like this. Write down below a length 8 string

You want to create a custom audience segment of users who have engaged with your mobile app for more than 5 minutes per session on average. Which GA 4 feature would you use to define and analyze this user segment? 1 . a ) 2 . b ) 3 . c ) 4 . d ) a user properties b segment overlap c cohort analysis d audience

The process of turning a key into an array index for storage is called: standard representation indexing hashing integerization

Write a python program that creates a sinusoidal function with f = 6 0 H z for a 1 second duration. Use a step size of T 1 0 0 where, T is the period of one cycle ( 1 f ) . Use the below. First, calculate ) by using np . arange. Your start value will be 0 , the stop value will be T ( 1 cycle ) , and the step will be as specified above. This will

Write a C++ function to display a list of all books that are published by the author Sara Smith. Use the following class diagram Only to solve the problem. Note: Submit the function in a pdf or doc format. Book -itle: string -borrowed: boolean -authors: Author [ +Book (tide, authors get title 0: string get authors 0: Authorl tis borrowed (0:

A Case Study: You have been given the responsibility of constructing a database grounded on the ERD diagram ( refer to page 4 ) provided by Provisional Employment. Some reports are also required by Provisional Employment to make strategic decisions and improve the efficiency of everyday operations. You must do the following to obtain this:

The Engineering School of a small Australian university is getting a new building. It has two floors; the building s architecture has been approved and the builders are about to start. The building is expected to be operational within six to twelve months. On the Ground floor there are eight labs , a common area, and a lecture theatre. The 1 st

Due on: January 7 , 2 0 2 4 The objective of this project is to package and distribute the solution for the fourth homework assignment using Python packaging tools. Additionally, you will upload the package to the Pychon Package Index ( PyPI ) to make it accessible to the wider community. Guideline: Organize the solution code, documentation, and

According to the article, why are autonomous trucks necessary? Multiple Choice To save fuel costs To eliminate the need for truck drivers To reduce traffic congestion To address a shortage of drivers and improve safety

The Session Initiation Protocol ( SIP ) was developed as a more efficient alternative to H . 3 2 3 for real - time applications on the Internet. True False

Q 4 ) ( 2 5 pts ) Consider the following sequence of instructions, and assume that it is executed on a 5 - stage pipelined data path ( IF , D / R , ALU, DM , WB . Also assume that writing into a register happens in the first half of the clock cycle while reading from a register happens in the second half of the clock cycle: List the read - after -

Consider the use of the go-back-n protocol where n=4 for error control for communication from A to B. A packet from A to B, and an ACK from B to A are received in error. (a) (12 pt) Please complete the following diagram. Clearly indicate the sequence number (SN) for packets from A to B, the Response ACK number (RN) for packets from B to A, the

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