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Databases Questions and Answers July 12, 2018

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Which of the following does a firewall use to block unauthorized access to the system?

Which of the following is the proper correction to the error in the code fragment below, to produce the following output: Output: The value of y is 3 The address of y is 0x7fff5375eb5c Code snippet: int y = 3; int *yptr; yptr = &y; printf("The value of y is %d ", *yptr); printf("The address of y is %p ", *yptr);

1. R = (StudentID, LastName, FirstName, CourseID, CourseSection, CourseName, Grade, InstructorLastName, InstructorFirstName, Building, OfficeNo) Assumptions: - StudentID is computer generated and unique - A course can have multiple sections - An office is assigned to only one instructor and an instructor can have only one office a) Determine all

A system can reach a saturation point if the CPU is fully utilized but is allowed to accept additional jobs Select one: True False

The complexity of the matrix multiplication algorithm using the divide and conquer strategy is log 2 ( n ) because:

how many registers does this design implement

Question: 13.47 Language Proof and Logic (Change of bound variables) This is done on the program Fitch and I dont really know how to solve it. Here is the premise: x Tet(x) And trying to prove this: y Tet(y)

Asymmetric encryption : When you get done filling out this template youre going to encrypt the file using my public key. With that in mind, answer the following questions: 4) Why is it safe for me to publish this public key?

Fundamentals of digital logic design

1. Write a Java program to display your first or last name using a pattern 2. Write a Java program to input and display your password. My Password
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Create a full disjunctive normal form - FDNF ( a full sum of products form - FSPF ) of the following Boolean function
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Haskell Programming -- Problem 2. Define a function, add, that takes two complex numbers and adds them. -- Recall that (a + bi) + (c + di) = (a+c) + (b+d)i. add ::

What are the SAP Intelligent Enterprise components? 1 point Extensibility in the application, achieving data - to - value, agility and speed development, and the integration Achieving data - to - value, agility and speed development, and the integration Achieving data - to - value, agility and speed development, and extensibility in the
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6. Answer the following questions about producers and consumers A. What are the two (2) extremes of a producer/con sumer system? B. What is likely to happen if there are more producers th an con sumers? C. What is likely to happen if there are more con sumers than producers? D. Can a deadlock occur if only one (1) producer an d one (1) con sumer
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Question 2 A Go-Back-5 ARQ scheme is employed on a 200 meters cable between two nodes A and B to send frames of size 10,000 bits with bit rate 1 Mbps and bit error probability of 105. Headers and acknowledgements are 20 bytes each. The speed of propagation of signals on the cable is 200,000 km/s, and the processing delay is 11ms. Assume large m
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JAVA Tenaga Merah SDN. BHD. is a company books that sell books online in Malaysia. Before year 2023, Tenaga Merah using traditional method by using paper to keep the sale record. Now, the company plans to move to digitalization process where they want to change from using paper to use computer system. The company has appointed you to develop a new
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What are the benefits of DevOps? Select the correct option ( s ) and llick or tap the Submit buitton. Flexibility to change, continuous Delivery and computing platform High TCO, rigidity and slow execution Flexibility to change, development productivity and reduce time to market Complexity, hybrid computing platform and IOT
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Write a program that asks the user for a date in the format mm/dd/yyyy , using a custom struct to store the date information entered in memory. The program should call a custom function that adds seven days to the user's date, passing in the data in and out of the custom function using the custom struct for the dates. The program should then print

java "old maid' card game As you know, one limitation with Java arrays is that they are of fixed size. We will soon see alternatives that can be used when the number of elements to store is not known in advance, but for this game, it turns out that the maximum number of cards in any deck is known: there are only 51 cards in this game, so we can

Which of the following was NOT an aspect of early databases? The importance of responding to queries quickly Multiple distributed data stores Being able to access the data via multiple methods Consistent data across the database

Suppose your business has 10 cash registers at the front of your store. You want to connect all cash registers to a computer server in the back room to collect data transactions. Discuss what is an efficient techniques to link the cash registers. Justify and support your solution. Important: I have asked this question three times, they are reply

what are three examples of programming languages?what makes each of these languages usefull to programmers?

What is the ICD-10-CM code for Coronary Artery Disease in Autologous Vein Bypass Graft?

Does a thesis statement contain sub - arguments that are facts?
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[ 1 5 pts ] Describe the project in plain English and describe the business rules required. [ 2 0 pts ] Model the system with a crow s feet entity relationship diagram Conceptual model Create a logical model ( fully normalized ) Create a physical model ( data types, primary / foreign keys ) Implement the model ( Using Microsoft Access ) [ 1 0 pts

Write a fully-documented class named Planner which stores an ordered list of Course objects. The array indices determine the preference of the courses (do not use ArrayList, Vector, or any other Java API Data Structures). A student can insert a course at any position within the range of the list. Make sure there are no gaps between courses on the
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what is wrong with this code it does not work for me can you solve it public class Item_in_Stock { String item_code; String item_name; String item_description; String item_category; int item_quantity; float item_price; String itemCode; String itemName; String itemDescription; String itemQty; String itemCat; // setting tax rate 5% private final

Write a matlab code for the question below: Question: In rolling a die four times, what is the odds that at least one 5 would appear?

Create a 4x4 Sudoku using visual basic. The program should also re-populate the board with these set of numbers below when each game is restarted. Show output 2103002000100400 1003340020000001 0001120300400020 0203300000200140 4210000001002003 0040030001303020 0300200410000012 4000001002004021 0200002030204001 0040010220000423 4000000220041400

Any kind of copied answers will be downvoted Example 21: Calculate the present value of a bond from the following data: A bond has a par value of ?!00 on which interest is payable semi- annually i) ii) It bears a coupon rate of 12 percent. ) The bond's maturity period is after 8 years. iv) The required rate of return on the bond is 14%
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Q20. What will following query exactly do. Be specific. SELECT * FROM `products` WHERE `product_name` LIKE "%light
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For the following statement, select True or False. You can use nslookup in non - interactive mode in order to query information about multiple websites or servers.
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- What is SD-WAN - How can use - How to do it Manageable - How to use with Linux sever - What network can do with it for example for small companies Dr. want a good research as will be for Master Thesis

what are the two types of modeling used in information systems chapter 1 ais.docx Word LAYOUT REFERENCES MAILINGS REVIEW VIEW ADD-INS AaBbCeC AaBbCcDc xA..A Normal 1No Spa. Heading1 Heading2 Trteubtitle Subtle Em. Styles Paragraph 1. What is a system? What are the six components of an Information System2lwhich of them is the most important and
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In the following figure, calculate the co-channel interference ratio in the worst case for the forward channel, given N=7, R= 3km, and gamma=2
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Please answer A, if you can also answer B I will be greatly appreciative. Consider the following document-term table with 10 documents and 8 terms (A through H ) containing raw term frequencies. We also have a specified query, Q, with the indicated raw term weights (the bottom row in the table). Answer the following questions, and in each case
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Consider the throughput example corresponding to Figure 1 . 2 0 ( b ) ( Page 4 6 ) . Now suppose that there are M client - server pairs rather than 1 0 . Denote Rs , and Rc , and R for the rates of the server links, client links, and network link. Assume all other links have abundant capacity and that there is no other traffic in the network

2 parts: a) Give an algorithm that, given a regular language L, determines whether L = L * b) Give an algorithm that can decide whether two regular grammars are equivalent

r the above charts, the initial SEQ Number (S 1. (2 points) What is Seq2 and Seq3 2. (3 points) What is ACK1, ACK2, Ack3 3. (3 points) What is Seq4 and ACK4
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Complete the following program so that it computes and writes out the two largest elements in the array. Use only one loop and don't change any elements of the array. import java.io.* ; class TwoLargest { public static void main ( String[] args ) { int[] data = {3, 1, 5, 7, 4, 12, -3, 8, -2}; // declare and initialize variables for the two largest

Write a java program that find the shortest path because it is not direct graph we should use Kruskals algorithm or we could use minimum spanning tree.

Unit 1 Assignment Suppose the length of each packet is L bits. Also, assume the path from a server to a client includes N links each of rate R ( i . e . , there are N - 1 routers between the server and the client ) . a . With store - and - forward packet switching, what is the end - to - end delay to transmit one packet over the N links ( ignoring
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1/ Create the following NFA N1 using Jflap 2/Test NFA on strings: abaabba and abbbbb 3/Explain why a string is/is not accepted by N1 4/Convert the following NFA N2 to the equivalent DFA. NFA with empty transition 5/Test DFA on the strings given above. 6/ Save DFA to a file. Describe how jflap stores the set of states and dishtinguishes the set of
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Which of the following statements is false? Question 7 options: If an exception occurs in a script, IPython terminates the script and displays the exception's traceback. When an exception is raised in an interactive IPython session, it displays the exception's traceback, then terminates the IPython session. Attempting to divide by 0 results in a

Write Matlab or Mathematica code to reproduce the plots below. Obviously your random points will be different, but you should show that the mean-squared-displacement looks like a line as in the 3rd plot To be clear, the rightmost plot is an average over many particles. The thing that is averaged is the square of the quantity in the center plot.
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What is the largest vector that you can work with on your computer in MATLAB? What is the largest matrix? (Try different n and observe for which n MATLAB starts screaming at you, or for which n you have to wait an inordinate amount of time). You can follow these examples: n=10; x=rand(n,1); n=10; A=rand(n,n); Do the same for PYTHON and NUMPY.

5. Show the representation of the string "Comets are #1!" in the memory of a MIPS based system using the NULL terminated method, using hexadecimal notation. Explain how it was done.

For this assignment, you will complete exercise 2 on page 577 which involves creating a project with a specific class (Class State) in it. Be sure to read the bold print just BEFORE the exercise description. Complete this exercise and submit a .zip file of the completed Project the whole Project and not just the code.

Prompt: After reading instructions, complete required steps: Your task is to implement a linked dictionary, which will store key - value pairs in a linked list. Your linked dictionary should support the following operations: add ( key , value ) : Adds a new key - value pair to the linked dictionary. If the key already exists, the corresponding

C++ Program few erros wont compile #include #include #include #include #include #include #include //To prevent those using g++ from trying to use a library //they don't have #ifndef __GNUC__ #include #endif using std::cout; using std::cerr; using std::cin; using std::endl; using std::ifstream; using std::vector; using std::string; using

Create a Java class to check if a given 10-digit number has 10 digits from 0 to 9 (one of each) Make sure 10 digit numbers are accepted Validate that the input number is 10 digits long. If the validation is successful: Use a loop, decision structures and the relevant arithmetic operators to determine if each of the 10 digits are included in the

Please solve it with python. Write a function removeDuplicates(filename) which remove duplicate lines from the file with the given name and writes the output to a file called "output.txt". Among the duplicate lines, the resulting file should only keep the one that appears first in the original file
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would XOJET add operational complexity that would nullify any gains from lower ownership costs?

Design documents are absolutely critical to communicate the projects design. In this chapter you learned about the user interface design. Complete the following assignment: Draw a site map and an ISD for a web site that sells some retail products (e.g., books, music, clothes). You can create this with the software of your choosing; but the final

Use the code shown below to complete all the sub - parts of this problem add x 1 , x 0 , x 0 ; zero register addi x 2 , x 1 , 1 0 ; set counter ( lcv ) addi x 5 , x 0 , 2 0 0 0 ; get address of A [ ] s first element Strt: ld x 7 , 0 ( x 5 ) ; get A [ i ] addi x 7 , x 7 , 1 2 ; update value sd x 7 , 0 ( x 5 ) ; save A [ i ] addi x 5 , x 5 , 8 ;
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Which of the following tag names representsthe title of the HTML document?

Given three String variables, a, b, and c, which of the following statements could you use to achieve the same thing as: c = a + b; c = a.length() + b.length(); c = (int)a + (int)b; c = a.concat(b); c = b.concat(a); c = a.plus(b);

The overlay method that only keeps features common to both input layers ( only where the two inputs overlap ) is called a union. symmetrical difference. intersect. identity.
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about assembly language question plz help 1. A finite-state machine is a specific application of what type of data structure? 2. In a finite-state machine diagram, what do the nodes represent? 3. In a finite-state machine diagram, what do the edges represent?

Case Project # 1 - A company has three discrete servers: a file server running Linux, a contact and email server running Windows Server, and a DNS & DHCP server running an earlier version of Windows Server. Make a case for or against going virtual with this setup. Case Project # 2 - Research both Infrastructure as a Service and Platform as a

One of the most important AWS best - practices to follow is the cloud architecture principle of elasticity. How does this principle improve your architecture s design?By reducing interdependencies between application components wherever possibleBy automatically scaling your on - premises resources based on changes in demandBy automatically

public class SuperHero { protected String name; protected int strength; protected String power; public SuperHero(String name, int strength, String power){ this.name = name; this.strength = strength; this.power = power; } public String getName(){ return name; } public int getStrength(){ return strength; } public void setPower(String newPower){

You are to implement a computer-based variant of the game Snake and Ladder using C++. This is a game mainly for two players who play against each other. The basic game of Snake and Ladder is a simple press-your-luck game with one winner. Players score points by moving up on the board. The player who reaches the end of the board first is the
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Write a program that prompts the user for his first name and his last name. Store the first name into a variable (i.e firstName ), and store the last name into a variable (i.e. lastName ). Then print the user's first and last name to the screen. Java Language. I use Notepad++

python 3- Write Python code using Regular Expression to validate the address base on the below requirements. Below is a correct Format of the Ethereum Blockchain Address: 1. An ETH address is an identifier containing 26-35 alphanumeric characters. 2. An ETH address starts with the numbers 1,3 , or eth1. 3. It contains digits in the range of 0 to
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Q3. Consider the following network. Fig. Q3 (a) State the names and one function of all layers of the OSI model including any sub-layers. (8 marks) (b) Computer A attempts to send a message to computer B. The message is encapsulated as it passes through the different layers of the OSI model. Describe the main headers added at the Transport and
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need help fast. Thanks Be sure to give the edges in the correct order for each algorithm and give the sum of the minimum spanning tree. a) Use Kruskal's Algorithm to find the minimum spanning tree for the following weighted graph. b) Use Prim's Algorithm to find the minimum spanning tree for the following weighted graph starting at A
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I submitted my main class & subclass in Java, my teacher gave me some feedback but i'm not sure how to declare the tax rate in just the subclass & re use it in main. Also how would I use the local variables from subclass. This is what my teacheres feedback was: (I did fix some of the required changes already) This method name needs to be changed

Please solve this question

Jack and Michel use DSS signature scheme for message origin authentication. The primes p and g are chosen as p=89 and q=11. The seed for finding e: (the root of 1 mod p) is taken as e,=3. The private key d is selected as 61. The digest of the message M is h(M)=10 and r=7. Explain the steps of key generation, encryption, and decryption.

Which of the following best describes stack and roll ?

The following example uses a Model View Controller (MVC) pattern to implement a small fortune cookie application. The application provides a random fortune cookie message to the user, selected from a list of fortunes that can be updated. You need only to fill in the functionality for the boxes indicated, and can presume that all libraries,

The Animal class has a default constructor with no parameters. Define an overloaded constructor that takes two string parameters and an integer parameter for the type, the color, and the age of the animal. Ex: If the input is dog orange 3, then the output is: Animal: Undefined, Undefined, 0 Animal: dog, orange, 3 #include #include using namespace

Question 5 12 Points Calculate the following floating point addition. (3 digits are assigned for the mantissa.) Show your calculations. 0.237 x 104 + 0.462 x 103
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Explain how to implement a queue using two stacks each having size n. Briefly explain how to implement the enqueue and dequeue operations of the queue using the push and pop operations of the stacks. How many elements can you store in this queue (i.e. in terms of n)? Provide the running time of the queue operations in terms of the number of

Using HTMLS code, creale cart_checkouthtml as shown in the below given picture. Fill the checkout form with all necessary details and add a screenshot to your
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Problem 2/5: Given a bandwidth of 20 MHz and a frequency reuse factor of 1 and RF channel size of 1.25 MHz (duplex channel) and 42 calls per RF channel, find: (1) The number of RF channels for CDMA. (2) The number of permissible calls per cell (CDMA).

The entire focus of the predictive analytics system in the Infinity P&C case was on detecting and handling fraudulent claims for the company's benefit. Question 1 8 options: True False

Assignment specification Your job is to count the number of identifiers in programs written in our Tiny language. You should pick out the identifiers from a text file, and write the output to a text file (named A1.output). Note that the output file should contain a line like "identifiers:5". Here are the sample input and output files. The input
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what are emerging technologies?

A CPU is trying to transfer 8 KB of data from external memory to its memory using a 32-bit bus. Compute the time required for the entire transfer, if the clock cycles per data transfer is 5. Assume the bus runs at 10 MHz and has a total overhead of 3 clock cycles per data transfer. How much data can be transferred from the external memory in 5 ms?

Discuss stacks, queues, deques, lists, and iterator. What is an abstract data type?

**Context of the question - 8.9(Game: play a tic-tac-toe game) In a game of tic-tac-toe, two players take turns marking an available cell in a 3x3 grid with their respective tokens (X or O). Create a program in Java for playing a tic-tac-toe game. The following question does not require you to write code. I am just looking for what approach you

6. A counselor has 3n+2 campers with her at a junction in a hiking trail. She knows their camp is twenty minutes down one of four possible paths. It will be dark in one hour and the group must find their camp before dark n of the 3n+2 campers sometimes lie, and unfortunately the counselor doesn't know which n they are. She checks path 4, leaving
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C Sharp. Design a program that accepts as an input a sentence in which all of the words are run together, but the first character of each word is uppercase. Convert the sentence to a string in which the words are separated by spaces and only the first word starts with an uppercase letter. For example, the string StopAndSmellTheRoses would be

Highlight at least two differences between Permanent Virtual Circuit and a VPN Tunnel? [2 points)
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Which of the following pairs of expressions are unifiable? For those which are, give the resulting bindings for the variables. Give reasons if they cannot be unified. [ [ a , b , c ] ] and [ X | Y ]

1. Prove the following polynomial is O(n^). Use algebraic manipulations. P(n) = 2 n4 - 50 n3 10 n2 + n + 10 (a) Prove O(n^). (b) Prove 2(*)
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MySQL is a widely used relational database management system that offers a range of features to support the development of robust and scalable PHP applications. What are some key features of MySQL , and how does it differ from other database management systems? Additionally, research best practices for securing MySQL against potential attacks,

Write a recursive method called "sumDigit" to find sum of the digits of a given integer value. For example, System.out.println(sumDigit(1023)); Will print 6 View keyboard shortcuts

Suppose you have ridden a bicycle from New York City to Key West, Florida. Your bicycle odometer shows the total miles, which you have dutifully logged at the end of each day with paper and pencil. Your first two entries might be 55 and 120, indicating that you rode your bike 55 miles on day 1 and 65 miles on day 2. Your task is to create a pandas

can i please get help with this programic logic questions please thank you 1. Identify each of the following memories [2 marks] (a): (b) (c) (d) 2. Write down the definition of each of the following logic circuits giving two examples for each, and then draw the block diagram of each type. [3 marks] (a) Combinational logic circuit (b) Sequential
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week 5 Please answer two questions from the ones listed below and respond to two threads of your classmates. What are the three major components of the X 1 1 Windows system? What are the major differences between X 1 1 Windows systems and Wayland systems? What is the role of a display server? What is the role of the desktop? What are two popular

Which of the following is used to convert the source code for a program to object code?

using C to write please write some common and sow me the output. Tasks: 1. Program-1. An interesting way of calculating n is to use a technique known as Monte Carlo, which involves randomization. This technique works as follows. Suppose you have a circle inscribed within a square, as shown in the figure (assume that the radius of this circle is 1;
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A company is building a security team and needs to fill two critical roles. Which of the following combinations of security roles best represents the MOST complementary skillsets for a well - rounded security team? Security Awareness Trainer & Incident Responder Security Architect & Security Analyst Chief Information Security Officer ( CISO ) &

In analyzing transactions, Walmart discovered that many people who buy Children s Tylenol in their stores also buy orange juice in the same transaction. They used this information to discount Children s Tylenol but raise the price of orange juice during flu season. What is the name of the approach Walmart used to discover this information?

What was the correct sequence of historical database development?

Suggest a business Tech idea which is not yet on the market! give the outline of your business tech idea!

1. Command practice What do the following commands do? a) date b) who c) whoami d) who am i e) pwd f) cd g) mkdir h) rmdir i) rm j) cp k) mv 1) ls (-1 -9) m) cat n) more o) less
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