Databases Questions and Answers October 11, 2018

"What is the optimal mechanism to ingest a log of visitor activities on a website?"

T(x): x is a teacher C(y): y is a course P(x, y): teacher x instructs course y. a= Math b= Mr Adams c=Mrs White Using the above predicates, symbols, and appropriate quantifiers, express the following statements symbolically. A. Some courses are taught by more than one teacher. B. No teacher instructs more than two courses. C. Math is taught by

Ethereal is a free packet sniffer that allows you to capture traffic on a local area network. It can be used on a variety of operating systems and is available at www . ethereal.com.

Turn off hpyhenation in the document

can i turn off ai search

Elaborate on the main uses of computer programming software, tools, and languages

A temperature sensor mass flow meter consists of measuring the temperature difference ( Delta ( T ) ) introduced into the fluid by a heating element electrical power ( q = 1 0 W ) : the heat capacity of the fluid is known ( C = 1 0 3 m 2 s - 2 K - 1 ) , the mass flow rate is then deduced m = Delta ( m ) / Delta ( T ) which in the ideal case would

In PYTHON please. Write a program that asks the user to enter any string and look for the first appearance of an 'x' or 'X'. Give the location of that appearance. Also expand the problem, locate all the 'x' or 'X's in the string and return the count. So we need the location of the first appearance of letter x or X along with a count of all the

you are reporting on the status of key risks to date at a progress meeting. which of the following tools provide a visual dis? risk information management system, event - based technical reviews, waterfall effect, earned value analysis

What is the relationship between network neutrality and innovation?

Assess the feasibility of using open - source software

Topic: Use of any loop statement (chapter 5). There is NO need to use any "if/else" statement. Create a new C++ project titled HW 5 in the CodeBlocks IDE. Use the Console Application project option. Use loop to approximate the PI value In the 14th century, Babylonian mathematicians approximated the value of PI manually by calculating this series:

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When inserting a chart into a document, what chart data is used to create the chart?

your program requirements call for contractors to use the same customized web development software that is used in all of the same required end product specifications while cutting development time in half, and costs a tenth of the price. Is this a risk? Neither risk nor opportunity, risk, opportunity, or not enough information

What is the RHEL 8 command to install Ansible and all dependent packages?

leucovorin if often given concurrently with fluouroracil in order to

Create a relational scenario following the given ERD and SQL statements. Create a scenario describing the relationships between patient, doctor, BloodBanks, Patients, Donors, BloodInventory, BloodTests. ERD ( Entity - Relationship Diagram ) Tables and their attributes: Patients Patient ID ( primary key ) Patient Name Patient Blood Group Patient

If mailing your resume,you should never fold it , even though it is less expensive to mail taht way.True or false?

Project Details: Input: us backbone topology which consists of 2 4 nodes anc edges is given as input. The input file contains adjacer bandwidth, delay, and reliability matrices. The relations between each node in these matrices is separated by " : " . matrix is separated by an empty row. In the neighborhood matrix, link distances are unifol

What is Pivot table brief explanation?

New Class: PowerSupply This class will represent a power supply unit with interesting characteristics: Physical Type: S ( switching , very light ) or T ( transformer - based, very heavy ) Voltage Type: F ( fixed 1 3 . 8 vDC ) or V ( variable voltage, 3 2 0 vDC ) Current Handling: two numbers, separated by a slash, one indicating the maximum

IP address and TCP port number by client computer ( source ) to connect to ftp ftp . Freebsd.org

On the camputer, an efficient file management system will inctease (please tick if those are right) a organization image b productivity wastage d money flow

Cis 145- networking Week 3 hands on project Wout 3. Hands-On Progear (Clyoen 5a. . thaby Build a MAC Address Table in Packet Tracer Estimated time: 1-2 Howrs Resources - Computer with Cisco Packet Tracer installed -internet access +Context: in week 1, you installed Packet Traces and practiced interacting with the user interface. Earlor in this

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Using R language: Generate 5000 random samples of x. Use below function to generate a set of y values given the model parameter a and the generated input data x. Plot y against x. output = function(a,x){ y=-1 +a*x return(y) }

the one dimensional array DATA holds X ( X > 0 ) elements. Each element in the array is an integer greater than zero.

jenny set up a tax practice and must compy eith the standards of security and privacy. which of the following standards must she implement in her practice. jenny must implement effective technologies to protect her website against bulk filing of fraudulent tax income returns. Jenny must run weekly vulnerability scans in accordance with PCI DSS

Propose a technique for detecting gaps of length ranging between 1 and K pixels in line segments of a binary image. Assume that the lines are one pixel thick. Base your technique on 8-neighbor connectivity analysis, rather than attempting to construct kernels for detecting the gaps

I'm working on a Java project that requires a method that accepts strings representing individual words. The method has to count the number of occurrences all two character sequences of letters are in those words. For example, ["banana", "bends", "i", "mend", "sandy"] gets "ba", "an", "na", "an", "na" from "banana"/ "be", "en", "nd", "ds" from

Designing Web and app based user interfaces for handheld devices presents additional design challenges, including:

True or False? Server computers originally required their own chassis, disk, power supply, and fan. Servers consumed considerable power, took up considerable space, and generated considerable heat within the data center.

Motherboard

In Java Please Objective: In this lab, youll create a program which allows us to administer a quiz. A user will be able to add questions, remove questions and modify questions. In addition, a user will be able to take a quiz and get a score. Classes: Youll be creating two classes. A Question Class and a Quiz Class. Question class Each object

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What types of personal privacy is offered to the user of the City of Chicago or Chicago Fire Department Internet or E - Mail systems?

Algorithm: Three of the following algorithms must be used to solve the problem. Dijkstra Algorithm Bellman - Ford Algorithm A * Algorithm Flody - Warshall Algorithm Additional points will be awarded for solving the problem with any of the meta - heuristic algorithms specified. ( extra 1 0 points ) Simulated Annealing Algorithm Tabu Search

Order the following functions so that for all i, j, if fi comes before fj in the order then fi = O(fj ). Prove that your ordering is correct. f1(n) = 3n f2(n) = 12 f3(n) = n f4(n) = n! f5(n) = n^2 + 100n f6(n) = n + log(n)

True or false? By default, gridlines on a spreadsheet will display when the spreadsheet is printed.

2nd page Script setup and start-up: Declare variables to hold all your personal information (saved in local storage) Pull all your personal data from local storage into the declared variables NOTE: If an object was used, you will have to JSON.parse() when retrieving data Display all your personal data in decreasing header tags (h1 -> h2 -> h3 ->

which of the correctly idenfidentity about Bessie coleman

Write a statement that limits the output of float and double variables to two digits after the decimal point. for c + +

Which of the following forms is used to record measurments of tpr values and fluid balance?

You might find a statement like PATH=$PATH:$HOME/bin in your .bash_profile file. What does such a statement do? It creates your PATH variable, setting it have your home directory and /bin It creates your PATH variable, setting it have bin within your home directory It adds both your home directory and /bin to your PATH variable It adds to your

Which type of list is considered best for safe coding practice?

Quadratic Polynomials 1 point possible ( graded ) Recall a degree n polynomial in x 1 , x 2 , dots, x k is a linear combination of monomials in x 1 , x 2 , dots, x k where the highest of degrees of the monomials with non - zero coefficients is n . ( Recall monomials in x 1 , x 2 , dots, x k are unordered words using x 1 , x 2 , dots, x k as the

The company safe should be unlocked only when Mr . Jones is in the office or Mr . Evans is in the office, and only when the company is open for business, and only when the security guard is present.

In the questions below you need to find constants c and n0 such that given statement is true. (a) Show that f (n) = n^2 + 10 O(n3) (b) Show that n! O(n^n) (c) Show that f (n) = 3n^3 + 7n + 10 (n^3) (d) Show that 1^2 + 2^2 + 3^2 + ..... + n^2 O(n^3). 1

Assess the role and development of critical applications and system software

1. How has Moore's Law impacted computing? 2. Is Moore's Law coming to an end?

Give a CFG for the language N ( M ) where M = ( { q 0 , q 1 } , { 0 , 1 } , { Z 0 , x } , , q 0 , Z 0 , ) and is given by ( q 0 , 1 , Z 0 ) = { ( q 0 , x Z 0 ) } , ( q 0 , l o n , Z 0 ) = { ( q 0 , l o n ) } ( q 0 , 1 , x ) = { ( q 0 , x x ) } , ( q 1 , 1 , x ) = { ( q 1 , l o n ) } ( q 0 , 0 , x ) = { ( q 1 , x ) } , ( q 1 , 0 , Z 0 ) = { ( q 0 ,

Which is the most frequent used method of getting youe resume to an employer?

How would we determine the count of non - blank items in the range A 1 :A 1 0 ?

Describe the following relational operators: Union, Project, Intersect and Join. Please p rovide a real-world application example for each of these operators.

Look at the pseudo code below and find the Big O estimate or worst case complexity of the following functions. int fun(int N) { for(i=0;i

Question 1 (1 point) Microsoft Word is a word-processing program that allows for the creation of both simple and complex documents. True False

List some of the things one should consider when evaluating collaboration tools that allow multiple users to see and modify the same document.

Different hardening approaches are required to protect endpoints in response to varied and constantly evolving cybersecurity threats. Please select all of the items below that represent "Operating System Hardening Best Practices"

Name at least three (3) components of a strong security program you would include at your healthcare institution/department. What incident(s) would they address?

Reaponding to job posting and sending out broadcast letters results in employment: ( select the best response )

Using R language: Generate 5000 random samples of x. Use below function to generate a set of y values given the model parameter a and the generated input data x. Plot y against x. output = function(x){ y=-1 -0.2*x return(y) }

What is the IP address and port number used by ftp freebsd.org to receive file.

Binary to decimal

briefly define the term data science and machine learning and identify the differences between them

with the loan balance, the interest rate, and monthly payment, what would be the remaining number of months to pay off like what you see in the finanace.yahoo.com page or the more current page of yahoo?

HOW HAS AIRTEL ZAMBIA BENEFITED FROM OUTSOURCING

Instruction Format 2 . Yukar da komut format verilen temel bilgisayara ait a a da makine kodu verilen komutlar n kar l klar n yaz n z . ( Write the command equivalents of the following machine codes of the basic computer whose command format is given above. ) a . 2 A 2 5 b . 1 A 2 6 c . 7 0 4 0 d . 4 A 2 7 e . 7 0 0 1 3 . Temel bilgisayarda yer

Step by step to use a scanning tool in kali linux to expand the scan to all ports on the target's IP ?

Give the Big O estimate of the following functions. Simplify the function and find the highest order term in it. You dont need to find constants c and n0 in this problem. (a) f (n) = 5n^5 4n^4 + 3n^3 + 2n^2 + n 1. (b) f (n) = (n^3 (log(n))^3)(n^2 log(n)) + 11n^3. (c) f (n) = (5n^4+10n^3100n^2n1)/6n^2 . (d) f (n) = log(n^3 + n + 10) + n^2 log(n +

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cd ab 00 00 01 11 10 0 I x 01 o O o 1 C) 1 I 0 x 1 C) 1

Fix the function below so that it returns 'I have provided feedback'

Why is routing important

No primary key in SQL allow Null values

different between accessor method and mutator

Example: Alice chooses p A = 1 0 7 , A = 2 , d A = 6 7 , and she computes A = 2 6 7 - = 9 4 ( m o d 1 0 7 ) . Her public key is ( p A , A , A ) = ( 2 , 6 7 , 9 4 ) , and her private key is d A = 6 7 . Bob wants to send the message " B " ( 6 6 in ASCII ) to Alice. He chooses a random integer k = 4 5 and encrypts M = 6 6 as ( r , t ) = ( A k , A k M

Is the address space public or private?

Which key lets you select multiple worksheets in a workbook?

Let the following statements: A: Roses are red. B: Violets are blue. C: Sugar is sweet. Use the definitions above to translate the following statements into English. ( )

When creating a new users account, if the account will come with a home directory then by default, all entities in which of the following directories is automatically copied into the new home directory? /etc /etc/bashrc /etc/.bashrc /etc/newusers /etc/skel

What is the sequence number of the TCP FIN segment that is used to close the TCP connection between the client computer and ftp freebsd. Org

Discuss three techniques for power optimization in mobile computing architectures.

If a union type is total, the number of entities in the union type is equal to the total number of entities in al its superclass.

Propose a machine learning algorithm for a school

True or False: Software engineers view a software system as consisting solely of the source code that is used to generate it

Given a scenario where a Live IPL cricket match is watched through live streaming. Provide appropriate network architecture diagram. Illustrate the phases from connection establishment to connection tear down.

Tablet PC Comparison provides a wide variety of information about tablet computers. Their website enables consumers to easily compare different tablets using factors such as cost , type of operating system, display size, battery life, and CPU manufacturer. A sample of 8 tablet computers is shown in the table below ( Tablet PC Comparison website )

Figure 1 1 . 1 5 Computational graph for batch normalization ( see problem 1 1 . 5 ) . Problem 1 1 . 5 * The forward pass for batch normalization given a batch of scalar values { z i } i = 1 I consists of the following operations ( figure 1 1 . 1 5 ) : f 1 = E [ z i ] f 2 i = x i - f 1 f 3 i = f 2 i 2 f 4 = E [ f 3 i ] f 5 = f 4 + l o n 2 f 6 = 1

Which one of the following is not a type of interview?

what are the pros and cons of cloud database

Which git command uploads / updates your commits to the remote repository from your local repository?

Use the outline symbols to display only the two levels of subtotal rows. Create an automatic outline and collapse the outline above Total Deposit.

APA format research proposal Information Technology

Which type of list is considered best for safe coding practice?

Which of the following statements is the closest to reality? A. There is mathematical proof that modern cryptographic systems cannot be broken. B . Messages encrypted with modern cryptographic systems may be broken given enough . time. C . An attacker can easily decrypt and read cipher text if they know which cryptographic system was used to

Name the 3 Program Errors

When the Python interpreter sees an identifier, in which scope does it look for the identifier first?

Discuss three techniques for power optimization in mobile computing architectures.

What is big data? What are its main business applications?

A non - conducted or blocked PAC is

1 . Discuss the differences between application systems and operating systems?

( a ) 2 points possible ( graded ) Consider the function defined over three binary variables: f ( x 1 , x 2 , x 3 ) = ( n o t x 1 ? ? n o t x 2 ? ? n o t x 3 ) . We aim to find a such that, for any x = [ x 1 , x 2 , x 3 ] , where x i i n { 0 , 1 } : * x + 0 > 0 when f ( x 1 , x 2 , x 3 ) = 1 , and * x + 0 0 when f ( x 1 , x 2 , x 3 ) = 0 If 0 = 0

The problem with supporting mobile devices on the Internet is that the Internet is designed to route packets hierarchically. The Mobile IPv 4 protocol was created to address this challenge. The most widely accepted standard for Mobile IPv 4 , permits a mobile device to communicate via the Internet in a relatively transparent manner. For example, a