Databases Questions and Answers July 16, 2018

4. You are the network admin for a moderately sized business, and are allocated a subnet of 118.16.4.0 with a subnet mask of 255.255.252.0. What subnet mask should you use to divide this subnet into 64 smaller subnets of 14 available hosts each? Using the subnet mask you found in this problem calculate the network address, broadcast address, and

True or false: In discussion of PKI failures, policymakers pointed out that trust is not a problem that technology can solve.

Which of the following is an ethical issue related to the use of computers and information systems, where those who have the necessary knowledge and access permissions may exert undue power?

Make the following program, when printed on the screen, make the "X" appear in red and the "O" in yellow. At the same time, the board should be blue (the game should have colours and not show white as in the image).

Name Y OF UNITS +1 Dat 1. Solve. Draw and label a tape diagram to subtract 10, 20, 3 a. 17-9 = 18-10 +1 b. 33-19 = 10 c. 60-29 = d. 56 - 38 = 9 18 17 = 4 MUUD ? Les

Which of the following usually appears beside the signature line on a job application form? an acknowledgement that the applicant understands the consequences

Which is true? A/B Testing is often done in brick and mortar stores A/B Testing is only done in a digital environment A/B Testing is only done for websites and email A/B Testing is only done for direct mail

Which is not generally a responsibility of a medical director? Patient satisfaction Quality of care Financial earnings Medical staff professionalism

ERA Explorer 23.8.1 EC Certificate in Data Management with Excel > Take-A-Challenge

Student Name: Exercise Goal: List what type of Workout you Name of Fitness prefer: .App

Question 1 1 : Which parse tree ( s ) ( in the picture ) are generated by CFGs for "eat shrimp with salt"? Please select all that apply. Question 1 2 : Multiple - Answer Question: Can you use a regex or more regexes to capture this? Please select all that apply. A . a ( ( b | c ) ( d | e | f ) ) ? ( gh * i ( kh * ) i * ) ? j B . a ( ( b | c ) ( d

1 With IPv4 internet addressing (4 bytes=32 bits each), approximately how many unique addresses are possible? [select all that apply] 281 trillion 2^32 65536 5 pts 4294967296

Which layer of the OSI reference model does router belong to? 0 1 O 3 07 02 O 6 04 05

This attribute is the measure of software's ability to withstand an attack. Redundancy Recoverability Reliability Resiliency

The difference between Objects & Classes is fundamental to understanding Software Modeling. Based on your understanding of that difference, please select a correct OBJECT from the list provided below.Student 2 PersonMaryFemale

n analogical transfer, the problem you have already solved, that you are using to help yourself inderstand a newer, more difficult problem, is known as the problem Primary Target Source Goal

4M x 16 main memory uses 512 x 8 ram chips. Memory is word addressable. One word = one byte. a) How many RAM chips are needed? b) How many address bits are required for each RAM chip? c) Would the above 2 answers change if one word = two bytes instead?

T / F The Deadlock Avoidance approach to solving the deadlock problem allows the three necessary conditions for deadlocks to exist.

Attributes for medication In a ERD

What will be the final value of EAX in this example? mov eax, 5 mov ecx, 3 L1: Jmp Exit add eax, ecx loop L1 ; repeat loop Exit:

3. List and briefly describe three major components of CRM systems (answer about 6 sentences) 4. List three types/categories of e-businesses and provide an example of each

write an algorithm to check whether given expression is valid or not using stack with an example explain different cases in which these expression validation is chdcked

add a total row to the financials table and display totals using the sum function for columns b and d

list different name resolutions how they are used, benefits, and problems

I need a step by step walk through for how to do these steps, I got stuck : ( Add a label control into the Form Header section and enter Ticket Details by Driver into the label. Set the following properties for the label: Change the Width property to 2 , the Height Property to . 2 5 " , the Top property to . 2 " , the Left property to 2 . 5 " ,

Could you please explain in detail? DESCRIPTION: What "standard" bias should be used in the exponent if we prefer not to write negative exponents using two's complement notation? Show the largest positive and the smallest positive number that can be stored on the system using this notation, if the storage is normalized. (Assume that no bits are

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T / F In a uniprocessor machine, concurrent processes cannot be overlapped; they can only be interleaved.

1. 1,000,000 as a binary floating number with 8-bit mantissa. a) What is mantissa here? Answer in binary. b) What is the exponent? Answer in 2's complement. 2. 0.0009765625 as a binary floating number with 8-bit mantissa. a) What is mantissa here? Answer in binary. b) What is the exponent? Answer in 2's complement.

Which similarity exists among all languages? O All language skills are developed by 3 months of age. All languages refer to the future. Syntax is identical. All languages have nouns and verbs

Set the Record Source property for the WorkshopAttendance report to the WorkshopAttendanceByType query

Explain/discuss the correlation information systems management and risk management infrastructure to attain business risk resilience. Why is it important and why is it interesting?

3 In working with the Golf data, we saw information regarding each shot that was taken appear in a row in our spreadsheet. The row of data that we saw corresponded to what database term? O attribute O primary key O entity class 0.5 pts instance 3 Sy

C Programming: Why is this giving an error? How would it be fixed? int FindUnassignedLocation(int grid2D[9][9], int *row, int *col) { for (row = 0; row < 9; row++) for (col = 0; col < 9; col++) if (grid2D[row][col] == BLANK_SPACE) return TRUE; return FALSE; }

Table 4 Read over Part C. Develop your own Table before coming to Lab. Note: you do not need to use all th olumns and rows in the table below. Extra provided to not limit your creativity.)

2) (20 points) What are the terms ao, , and az of the following sequences a. an = (-2) b. an = 3 an = (n/2] + [n/21 d. an = 1 + (-1)"

Which portal is hosted on the Cisco ISE Policy Service node and allows clients to download a posture agent from it to perform posture assessment?

please explain everything in detail Solve the fime complexity of the 1 tugman coding aegorithm uing Greedy feehnique pleare explain in detail with cc++3

Identify Walmart and Amazon information technology components required to enable their organizational function.

QUESTION 1 Write a C + + program with the following specifications: a . Define a C + + function ( name it myfunction _ StudentID where StudentID is your actual student ID number ) that has two 2 integer inputs ( N and M ) and returns a double output S , where S = n = 1 N m = 1 M m n 2 + e m 2 + e n 2 m n + 2 ( Note: in the actual quiz, do not

Write a recursive method String reverse(String text) that reverses a string. For example, reverse("Hello!") returns the string "!olleH". Implement a recursive solution by removing the first character, reversing the remaining text, and combining the two.

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Three of the most important jobs of security management are to ensure _according to sensitivity, ensure that roles maintain _, and to manage _ enemy of security. assets, accountability, software assets, separation of duties, complexity software, separation of duties, complexity software, accountability, people people, separation of duties,

How many total bits are required for a direct mapped cache with 8 KiB

I am getting a weird error when I try get the rear number from my linked list. The error is. Access violation reading location 0xDDDDDDDD. My code is #include "QueueLinked.h" template QueueLinked ::QueueNode::QueueNode(const DataType& nodeData, QueueNode* nextPtr) { dataItem = nodeData; next = nextPtr; } template QueueLinked ::QueueLinked(int

Which of the following is NOT listed as a difficulty faced by law enforcement agencies in the deterrence of computer and network attacks?

Urgent, I really need help please, I am writting tomorrow: They gave me these details to draw the logic diagram for the expression: Draw the logic diagram for the expression: [ ( A + B ) + ( A ' + B ' ) } Label each step. Use only two inputs per logic gate. Complete this question by either using the Sketch tool or uploading your answer. the given

T / F The Dining Philosopher's Problem illustrates basic problems in deadlock and starvation.

Course: Operating Systems Code: IT241 *Please not handwritten* Consider having the following reference string: 5 7 4 0 1 3 5 1 4 9 6 4 3 2 2 9 0 5 Use FIFO, OPT, LRU page replacement algorithms and compare between them based on page faults, knowing that 4 pages can be in memory at a time per process.

This will happen if you try to use an index that is out of range for a list. The list will be erased and the program will continue to run. Nothing - the invalid index will be ignored. A ValueError exception will occur. An IndexError exception will occur

What's the math behind divisive clustering?

is it true or false that The HAVING clause is the only way to compare the result of an aggregate function

Fran's report on traffic patterns in the Midwest contains a large quantity of numerical information comparing patterns state-to-state. The best way for her to simplify this information for the committee is for Fran to use O an executive summary. O charts or tables. O appendices. O bulleted lists. O a preview statement

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b) 7 QUESTION 4) (10 points The following formulas are used to convert a Polar coordinate to a Cartesien coordinate. xrcos(a), ysin(a) The ar symbol is angle in degrees (between 0360), the r symbol is radius. Write a complete 8086 Assembly program to do followings. Define and initialize two arrays (sinus and cosinus) with values given below. Since

Write a C++ code that compare two vector If vector1 is char vector and vector2 is string vector. vector1={c,a,r}; vector2={"car"}; if(vector1==vector2) { dosomething; }

Here is Figure 2.26: Here is Figure 2.30: 4. (20pt) Consider the following grammar for a declaration list: decl_list = decl_list decl ; | decl ; decl + id : type type int | real char | array const .. const of type record decl_list end Construct the characteristic finite state machine for this grammar (like the one in Fig. 2.26, p.96-97 of

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Objective: Write a program that analyzes a collection of words and sorts them in ascending order by the number of vowels, consonants, and the length of the word. First download the driver file and the text file and include it in your project Next write a class called WordHelper and implement the following methods sortByVowels: This static method

Vnuran ics the data helnwitn ancwer nuestions about the Utilitv Approach to the CDT

Write a C program for Linux that runs an infinite loop sleeping for intervals of 2 seconds. The program starts by printing nothing but if the signal SIGINT is sent to the program the program writes a short statement with the number of iteration it is executing (toggle debug on). The program remains printing until another SIGINT is sent to the

Find out how often the recursive version of fib calls itself. Keep a static variable fibCount and increment it once every call to fib. What is the relationship between fib(n) and fibCount?

A head librarian for a large city is looking at the overdue fees per user system wide to determine if the library should extend is lending.

Assuming this is a complete code chunk, and we expect to see output printed after running this, why is the below code incorrect?

s an infinite loop more likely to occur in a while loop or a For loop

The goal of data analysis interpretation is to understand the data True False

GIVEN TEMPLATE: #include #define AlphaValue 100 int main() { int r, g,b; unsigned int rgb_pack; int r_unpack, g_unpack,b_unpack; int alpha = AlphaValue; printf("enter R value (0~255): "); scanf("%d",&r); printf("enter G value (0~255): "); scanf("%d",&g); printf("enter B value (0~255): "); scanf("%d",&b); while(! (r 3.1 Specification A digital

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Give me achieved questions on algorithm and basic data structure

BST.java //sample implementation of a BST class BST { Node root; //reference to root of the binary search tree public BST() { root = null; } //iterative insert public void insert(int val) { Node newNode,prev,curr; boolean done = false; prev = null; curr = root; newNode = new Node(val,null,null); if (root == null) { root = newNode; } else { while

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What type of networking equipment maintains a table of the Media Access Control ( MAC ) addresses of devices connected to it ?

Consider a college students apartment that has 1 bedroom, 1 bathroom, 1 living room, 1 kitchen, 1 dining area, 1 laundry room, and 1 storage closet. Develop a relationship chart of the seven areas. Sketch a layout of the apartment containing the areas and arrange them based upon the relationship chart findings.

What is the age range when a person's political opinions and identity is most likely to change significantly? Select one: a. \\( 18-25 \\) b. \\( 25-39 \\) C. \\( 40-59 \\) d. \\( 60+ \\) e. None of the Above

Hardware over the years has become cheaper. This is especially true with respect to hard drive capacity. Keeping that in mind, are disk quotas worth implementing? Why or why not? If you were asked to implement disk quotas, would you use FSRM or traditional disk quotas? Defend your decision.

I need help 5. (25 points) Proofs: Prove or disprove the following statement: If n > 1 is an integer, then n has a prime factor

What are five functions that an operating system provides for a user?

In the following network, what path will RIPv2 normally use to send packets from \\( P C 1 \\) to \\( P C 2 \\)

Which one of the following is not a valid returned function Code in MODBUS RTU: 01 hex 81 hex 96 hex 72 hex 95 hex

C++ question 1. Create a Point class, initialize the coordinates with constructors, set the values of the coordinates and print them. Use a pointer object of Point, dynamically allocate memory and call the functions 2. Now create 10 such pointer objects and using pointer arithmetic print all the values in the main

Assume you have a binary object named Calc. What are the steps to display the assembly code for the function main() inside object Calc? Question 7 options: Type gdb Calc, then type Calc functions Type disassemble on the command prompt Type gdb Calc, then disassemble main None of the given answers are correct

Question 64: (a) What are the four rules that guide the coding and categorization of a data record? Explain why each one is important for researchers. (b) What is meant by stemming, aliasing, and the use of exclusion filters in content analysis software applications?

An IT professional discovers a security flaw that could potentially harm the company's customers. Which of the following actions align with the ethical responsibilities of the professional?

1. If the production function is given by Y = AK1/312/3, the savings rate, s, is 20 percent, the depreciation rate, d, is 5 percent, and = L = 1, the steady-state level of output in the Solow model is: Y (a) 1 dk 20% 7/5 = 5% 7/15 (b) 2 (c) 3 (d) 4 (e) 8 Ksz sk Y 213 N (1) 1 Joel Lundel > hiher Greuth

When a program runs, some time is often spent on overhead. Which of these are considered examples of overhead?I.Reading from the diskIl.Writing to the computer screenIII.Advancing the clock

Suppose x = 18.9. The output of the statement -- System.out.println((int(x) % 3); is 1. true or false?

Java specifies that all expressions, including arguments to calls, are evaluated from left to right. Why does Java does this, while C/C++ does not?

Status Report Template (copy and paste into a new document - then delete this note and title) Project Name: Project Manager: Project Start Date: Project % Complete: Executive Summary PV: AC: EV: CV: BAC: EAC: Report Date: Report Period: Baseline Completion Date: Anticipated Completion Date: Other Accomplishments (Not Included in Executive Summary)

What is the difference between a control total and a hash total?

Why are presentations and reports of your data important? They allow you to see data errors in your data. They effectively transform data into information. They keep people from falling asleep during a presentation. They can tell you if the way the data was collected was accurate

Write routines to implement two stacks using only one array. Your stack routines should not declare an overflow unless every slot in the array is used. (JAVA)

Given some information about a company s employees, you are asked to calculate the percentage of employees for whom working from home is greener than travelling into the office.To compute this percentage, you are provided with information in the form of two lists. The first list has an item for each employee who travels by train to work. The item

Using the RPG combat code, add the following functionality: Create a class called "Potion" Potions are used to heal a character The potion should have 2 private members: count and healingAmount count holds the number of potions the player has available healingAmount holds the amount of health recovered by the character The potion constructor

Let X be the set of all students at MSU, and let M(s) be s is a math major, C(s) be s is a computer science major, and let P(s) be s is a physics major. Express the following statements using quantifiers, variables, and the predicates M(s), C(s), and E(s). 1) Some computer science students are also physics majors. 2) No mathematics students are

What type of information system can show information in the form of a map, such as roads, population distribution characteristics, sewer systems and other utilities, income levels, health conditions, or even areas of high or low crime? Genetic Algorithms Executive Support System Expert system Neural Network Geospatial Information System

The value in Control a is 2 and in Control b is 128. 255 \\( -128 \\) 0 256

A 2 7 - inch monitor contains 1 9 2 0 x 1 0 8 0 picture elements, or pixels. Each pixel is represented in 2 4 bits of memory. A byte of memory is 8 bits.a . How many megabytes ( MB ) of memory are required to store the information displayed on the monitor?b . Suppose it takes 1 0 ms to refresh the monitor. How fast must the image data be moved

Which command displays the functions in a binary object? Question 8 options: gdb only gdb and dissemble disassemble only info functions only gdb and info functions

1. Which of the following are equal when being reduced to Big-O notation and what is their Big-O? 2N^2, N^2+5N+300, log(N) + 5N + log(5N), 2N^0.5 + 42, 136, 3N * 5N + 32, 2N^0.5 * 7N^1.5

Type the keyword that is used to define a variable as a constant

A creative process for generating a large number of ideas and successfully isolating the best ones is called: Evolution Selective creativity Ideation Random selection

Question 115 pts (15 Pts) Select the function below which displays three lines of asterisks. Each line should randomly contain between 1 and 80 asterisks. void asterLine() { int r; for ( int i = 0; i < 3; i++) { r = rand() % 80 + 1; for ( int i = 1; i two) status = 1; return status; } int status = 2; if(one == two) status = 0; else if (one > two)

what are three types of classes in OOP

Consider that you have the given array \\( \\operatorname{arr}[1]=[2,1,23,4,5,6,5,5,4) \\). If you insert all the elements in an integer set. what will be the size of the set? Select the correct option from the given choices