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Databases Questions and Answers February 22, 2021

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If a twisted - pair cable has a diameter of 0 . 8 cm , which of the following options would you apply as the bend radius of the cable so that data transmission is not impaired?

VPN client software creates a virtual NIC on your laptop ( endpoint 1 ) , makes a connection with the VPN server at the office ( endpoint 2 ) , and then, in essence, creates a virtual direct cable from the virtual NIC to the office. The "virtual cable" is called a VPN extranet remote access server ( RAS ) tunnel dial - up connection
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p3 1)The notation vector means that the vector a)is a template class b)has object elements c)has primitive elements d)is a primitive data type 2)Using a data member of type Engine in Car class is an example of a)inheritance b)encapsulation c)composition d)IS-A relationship 22)Array elements a)may be a mix of primitive and object types b)may be of

Consider a specification of a traffic light with the usual three phases "red," "green," and "yellow." The requirement that the light shouldn't turn "green" when it currently is "yellow" is a Safety property. Soundness Completeness Liveness
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James, a supporting technician, is trying to resolve an issue pertaining to the router. On inspecting the issue, he figured that the router was unable to move packages from one node to another. As a resolution to this problem, he intends to follow the OSI model for troubleshooting. What layer of the OSI model should he inspect to understand the

A model is a simplified representation or abstraction of reality. Models help managers calculate risks, understand uncertainty, change variables, and manipulate time to make decisions. MIS support systems rely on models for computational and analytical routines that mathematically express relationships among variables. The goal of this activity is
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Author of this quotation: "Now what else is the whole life of mortals but a sort of comedy, in which the various actors, disguised by various costumes and masks, walk on and play each one his part, until the manager waves them off the stage?" Erasmus Christopher Marlowe William Shakespeare Thomas More
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What is the truth table for a gated SR latch for the diagram below. Ro Eo
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Visual Basic Build a login screen which will be passed an id and password. If the user fails to login in three tries, have them authentic based on their personal information. Authentic their mother's maiden name if they fail terminate the program after a message box stating their have failed to authenticate. If they succeed, ask them for the name
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How many bytes a char data type occupies?

Which type of data is not accessed in a derived class?

(6 pts.) Answer the below questions about WPA's TKIP method and WPA2's AES-CCMP method: 3. (a) Describe what features of the TKIP. and how and where they are used, to protect transmitted messages against message tampering (i.e.. detecting attacks that attempt to modify the message content) (b) Describe what features of the AES-CCM IP, and how and
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IV. The EXT3 file system of Linux uses a multiple index structure. If the file i node (inode) contains 15 pointers(or address entries) noted as addr[0]~addr[14]. Assuming that the block size is 4KB and size of a pointer is 4B, . (1) If the initial length of file A is 25KB, how many pointers in i-node will be accessed when the contents of A is

Know your acronyms! A customer says that he is using Windows 7 and that it is fully updated and secure . You know that this cannot be . Which of the following terms explains why the system can t be updated? DDoS BYOD EOL XSS IoT RMM PaaS

According to Planck's law of black body radiation, the spectral energy density R as a function of wavelength lambda (m) and temperature T (K) is given by: R = 2 pi c^2 h/lambda^5 1/e^hc/lambda kT - 1 where c = 3 times 10^8 m/s is the speed of light, h = 6.626 times 10^-34 J-s is Planck constant, and k = 1.38 times 10^-23 J/K is Boltzmann constant.
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Unsigned binary number (10100100.101)2 =()10

A digital signature can guarantee the integrity but not the source of the message.

Which of the following is correct for the full outer join? Answer choices Select an option It keeps only those rows that match the dataframes. It keeps all the rows from both dataframes. It includes all the rows of dataframe x and only those from y that match. It includes all the rows of dataframe y and only those from x that match.

This mosaic is from the early, as opposed to the late, 6 th century. What makes that clear? File:Church of Cosmas and Damian, apse mosaic in the Roman Forum.jpg Group of answer choices A - - figures are depicted in a realistic space B - - figures have some depth C - - figures cast shadows D - - all of the above E - - both A and C

verilog code for 12 x 12 bits Wallace Tree Multiplier

Discuss the concept of network sniffing and its implications.

A distributed system always involves physically dispersed or geographically separated components. Group of answer choices True False

What port does HTTPS use to perfrom secure transactions?

throw ( rand ( ) % 2 ? DerivedException ( "DerivedException" ) : DerivedException 2 ( "DerivedException 2 " ) ) ; } catch ( BaseException &b ) { b . print ( ) ; } return 0 ; } C . Write a program which shows that all destructors for objects constructed in a block are called before an exception is thrown from that block.using std::cout; using
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private static void computerMove ( ) { System.out.println ( " Computer is calculating possibilities..." ) ; for ( int i = 0 ; i < 3 ; i + + ) { for ( int j = 0 ; j < 3 ; j + + ) { if ( board [ i ] [ j ] = = ' ' ) { board [ i ] [ j ] = computer; int score = minimaxHelper ( 2 , false ) ; board [ i ] [ j ] = ' ' ; System.out.println ( " Possibility

Compare and contrast SHA-1 and MD5 How are they alike and how do they differ?

Write a program "lab 2 Problem 2 . c " to calculate the permutation and combination for given n and r . The values of n and r should be passed to the program as a command - line argument. The permutation and combination are defined for given n and r as: P ( n , r ) = n ! ( n - r ) ! , C ( n , r ) = P ( n , r ) r ! Output Format: P ( 5 , 3 ) = 6 0
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Using ONLY MATLAB to solve this problem: Explain your codes please 8. How large should n be chosen in (1.13) to have
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Discuss in detail wifi network with references

Its saying my output is incorrect. Please help Your output is incorrect
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Good morning (fore me). I need some help for understanding this for algorithm analysis. Express the following complexities with the help notation : 2^n+5*n+3 n^k+n+n^k*ln(n) Illustrate the construction of the Huffman tree for : C={p:100, q:17, r:2, x:58, y:80, z:5} Then decode the binary sequence 1111011001.

How many "hello" output lines does this program print? 1 #include "csapp.h" 2 3 int main() 4 { 5 int i; 6 7 for (i = 0; i < 2; i++) 8 Fork(); 9 printf("hello "); 10 exit(0); 11 } Express your answer as an integer.

Write jQuery script only along with the jQuery library reference to change the background color of the body tag of the document to black color.

help me urgent i just have 40 minute Problem 1 - Threads and Concurrency The following exercise shows what can happen when two threads (here Person and Person) share the same object here a common bank account) For that you are going to write program that will include two classes Account and Jobferson Anderson The Account class is very simple. It
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C++ or C PROGRAM Write bubble sort but using only GOTO. Dont use for loop thanks

Responsive frameworks and libraries provide convenience when creating a modern website. Discuss at least three design options, such as hiding content or layout changes, that would be beneficial for a responsive website on a mobile device or tablet. Please make copy paste available

main.cpp code #include #include #include "ItemToPurchase.h" #include "ShoppingCart.h" using namespace std; void AddItem(ShoppingCart &cart) { ItemToPurchase addItem; string addItemName; string addItemDescription; int addItemPrice; int addItemQuantity; cout cout cin.ignore(); getline(cin, addItemName); addItem.SetName(addItemName); cout
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true or false Well - known ports are open for use without restriction

How many Color objects are created in the code fragment below? Color c 1 = new Color ( " # 0 0 ff 0 0 " ) ; Color c 2 = new Color ( 0 , 2 5 5 , 0 ) ; Color c 3 = c 1 ;

By default, when you create a table, borders display around each cell. Question content area bottom Part 1 True False

A programming language may come into existance as a deliberate commercial decision by a company. provide an example of such a programming language and explain the reason why it was developed

Explain in at least four lines each the following security concepts: 5. Phishing and Identity Theft 6. Hacker 7. Spoofing 8. Denial-of-Service (DoS)

Software ENG Using plantUML, create a class diagram from this sequence diagram. Do not worry about attributes. You may upload the uml image or the plantUML source.

Make a C++ program that will sort a list of numbers using merge sorting. The program will ask numbers from the user. The output should also print the divide and conquer process or steps before arriving to the final result which is the sorted list.

using phyton answer this do not use comment answer only comment Q1. Print (Getting Input from User) (NAME, AGE, SID, DEPARTMENT, COLLEGE, HOMETOWN)

Consider the following screenshot. What is the sum of 2 + 3? 4 5 6 7 What is the sum of 2 + 3? CORRECT WRONG What is the sum of 2 + 3? AS 67 Complete the code below using HTML and JQuery to create similar output. The results are activated when the user clicks on any of the answer buttons. Hint: side colour: bbb, center colour: eee, correct colour:
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What 3 ethnicities populate the balkans

Construct Turing machines that will accept the following languages on {a,b) you can provide your TM either by drawing it, or by writing all the transitions of your TM) L- (w: w is even)
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Convert to reverse binary

which of the following are good ways to protect your computer. Select all that apply

what is swirl? Explain how it is used for creating a course and a new lesson. List the files that are produced while generating the new course

In the algorithm select the input elements are divided into groups of 5

Create a class called Date that includes three pieces of information as instance variables 1 . Month ( type int ) . 2 . Day ( type int ) . 3 . Year ( type int ) . Your class should have a constructor that initializes the three instance variables and assumes that the values provided are correct. Provide a set and a get method for each instance

Maud Jean Louis MJ Insert Draw Design Layout References Mailings Review View Help Comments ( 2 ) Create the main method with the IOException clause. 2 . ) ( 4 ) Create and Instantiate an Object of the Class type created above. 3 . ( 1 ) Create a Scanner object. ( 1 ) Create a prompt to ask the user to enter a filename. 5 . ) ( 3 ) Open the file
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How many IP addresses does an organization with a /56 IPv6 network block have? Express your answer as x^y which means x raised to the power y .

Using the Box class you developed in the previous assignment, complete the implementation of the game. To recap game play from the previous assignment... " In this game ( Shut the Box ) , there is a box that contains 9 tiles numbered 1 through 9 with all tiles in the " up " position. In each round of the game the player rolls a pair of dice,

Evolutionary algorithm (EA) is a technique of Artificial Intelligence (AI). Explain how this technique can help people in health industries. Give at least FOUR (4) examples to support your answer. [8 marks]
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Python (Central city) Given a set of cities, the central point is the city that has the shortest total distance to all other cities. Write a program that prompts the user to enter the number of the cities and the locations of the cities (that is, their coordinates), and finds the central city. Note that the coordinates are entered in one line.

Say how the receiver can safely find and process all the ICMP fields if it does not know ahead of time?

Course: Software Project Management NOTE: Don't Use google and copy paste. If you have knowledge releated to the subject, only then answer else I will down vote. Question 1. Descriptive: Explain the phases of Software Project Management considering the processes from the PM knowledge areas (PMBOK).

Project Scenario The sales team will monitor and record sales performance, both for the company and for individual sales professionals and teams. The sales operations team may also develop the sales metrics that the sales team must achieve, along with calculating how much compensation a sales professional receives for different sales activities.
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(30) 1. Assume that you have opened a modem "Icecrean Bar" in front of the NSU main gate. In your Icecream Bar, different flavor of le cream are available along with a range of choices of toppings. Customers can have any flavors with their choice of toppings You want to build an App for customers to order their flavor and choose toppings. The App
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At the prompt, type lsblk and press Enter. Note the storage devices listed, and their partitions. Document the storage device(s) on your system, and the partition(s) that are currently created

C Programming Topics: Pointers, Structure, C-Function The structure below represents information about students and their list of grades in all modules. typedef struct { char* module; int grade; } module_grade; //module, e.g. "COMP1028" /umerical grade typedef struct { unsigned int student_ID; char* student_name; module_grade* grades; unsigned int
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What must IT professionals do to ensure that the projects they lead meet the clients expectations and do not lead to charges of fraud, misrepresentation, or breach of contract?

16. Which of the following instruction is used to call a function? a. B b. BL c. MOV d. LDR 17. Which of the following instruction transfers data from register to memory? a. LDR b. MOV c. STR d. SWI
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2-3 sentences What is the difference between Application Software and Operating System Software?

Find the solution for each of the following recurrences with the iteration method ( explicit substitution method ) . [ Rubrics: Show the iteration steps and do the back - substitution based on the initial conditions. The final result should be a function of n . ] ( a ) [ 5 pts ] . ( ) = ( 1 ) + ( 0 ) = 1 , > 1 . ( b ) [ 5 pts ] . ( ) = 2 ( 1 ) + 1

what category does a host belong to

python program: bacteria starting population 1000. the population increase 60% every four weeks. 10% of the population dies every week. simulate the population over the course of five years.

mcq 1. In interrupt-driven I/O, in which direction are interrupts issued? From I/O Module to processor From processor to I/O Module From processor to peripheral device From peripheral device to processor 2. The program counter (PC) holds: The instruction The address of the instruction The number of instructions in a program The execution time 3.

1 2 . An insurance company wants to create a popup to allow the logged - in user to view / edit a contact's details. When the logged - in user clicks the contact's name, the popup should open in edit mode and the Update and Cancel buttons should be displayed. Which two steps must be completed as part of implementing this? ( Choose two ) ( Choose

Need help writing code in java for #6. Please do a read me file explaining how to compile and run code. Ilt IIial value of Buf_Size is 6. ues result from these operations? Assume ompare the Java competition nh synchronization mechanism with that of mechanism with that of 8. Co 9. What will be the effect if the wait and signal operations are ma 10.
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What is an file organization that uses a hash function to map keys to hard disk addresses?

Does the Ruby programming language use copy or reference semantics? Or does it use both? Please include an explanation and code example/s using the web application called Repl.it. Cite any sources you use and answer in a detailed, complete and easy to understand manner. Thanks and a big thumbs up for the correct solution.

How to develop a vehicle tracking system in react native using expo, where the user can track how far is the vehicle and how long it will take to reach the user location?

Write function definition in C basic Write the function definition for a function called FindRemainder that takes two arguments of type integer. The function should return the remainder of the first argument divided by the second argument. The function should not allow divide by zero and return a 0 if the denominator is a 0.

Use the pow function to print out 3 raised to the power of - 3

Construct NPDA that accept the following regular language: L ( a a a * * b )
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Hashing is good for which queries? Exact match queries Finding the maximum key value All of these Range queries None of thes
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The longest substring without repeating characters are "ABCDEFG", "BCDEFGA,"CDEFGAB with length of 7

Draw the state diagram for the detection of the following sequence. You should consider that the sequence may repeat which last part of a good sequence can be the starting of another sequence. 1101

use search box to color fill

P1 Make use of the scikit-learn (sklearn) python package in your function implementations Complete train_test_split function Using the train_test_split function from sklearn implement a function that given a dataset, target column, test size, random state and True/False Value for stratify will return train_features (DataFrame), test_features

OS , I want someone to convert this algorithm into complete Java code. please. I want to solve the entire project as code without any loss. I want the complete code from you and you tested it . And I ' m just copying the code from here, please. Comp 4 3 1 Project - F 2 3 Due :midnight 1 4 / 0 1 / 2 0 2 4 The project is a simulation for some of the
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SimpleAgedCache

convert the following to the base indicated show steps (01010111) =( 10 ) (65.75) 10 || 02 (01010.01) ) 10
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Write a python function to evaluate the following summation. Q f(t) = th n=0 Et t should be accepted as an input. The function should accept another optional input for tolerance, otherwise it should default to a tolerance of 10^-3
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Explain the steps necessary to migrate from a Windows workgroup network to an Active Directory domain-based network. Explain how upgrading from a Windows workgroup to Active directory might impact the current users on a local machine. Explain how Active Directory implements access controls differently than a Windows workgroup. Suggest a strategy

This a question about matplotlib.pyplotand and mpl_toolkits.mplot3d. can u have more than 3 variables for .scatter? For example: ax.scatter(X['width'], X['height'], X['color_score'], c = y, marker = 'o', s=100) cant there be another one after color_score? if so can you explain.

question from NLP . 2- list the different smoothing methods and compare them?

Please explain, thanks An interface consists of a list of methods a class must implement. True False
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A typical enterprise has different layers and departments, with different roles and requirements. With which Amazon Web Services ( AWS ) service can an enterprise mai hierarchy to a structure so the governance at scale framework can be implemented? AWS Organizations AWS Identity and Access Management ( IAM ) AWS Service Catalog o . AWS Control
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In most languages that provide constructors or destructors, how are they named?

The code & frac 1 2 ; will produce which fraction

As the chief data analyst for your hospital, you have been approached by senior management. They have returned from a recent conference where there was renewed buzz around the Triple Aim framework. Smitten by the Triple Aim bug, senior management now wants to take the first steps at addressing this framework through concrete data. They reach out

Discussion Questions Explain how you would change the code in main.cpp so that on / off times of the LED are 1 s in duration. Write a sample code section showing how you would modify the while loop in main.cpp to print "Goodbye ARM World." to the terminal when the LED turns off?
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Can someone help write this in java ... Write a program that simulates the tossing of a coin. The program should wait for the user to press a key, then generate a random number in the range of 0 through 1. If the number is 0, the program should display the image of a coin with heads facing up. If the number is 1, the program should display the

The following narrative describes Aegis Companys Billing Procedures: Each evening the shipping department at Aegis Company forwards, to the billing department, copy #2 of all shipping notices for goods shipped to customers that day. The next day a billing clerk starts the billing process by obtaining unit sales prices from a price list book and

I want professional explanation and summarization for erd diagram

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