Top-down and bottom-up are the two main methods used in database design.
Define the term database design.
Data organizing using a database model is known as database design. The designer decides what information must be kept on file and how the data elements interact. Now that they have this knowledge, they can start to match the data to the database model.
The data is managed in accordance with a database management system. Tables, indexes, views, constraints, triggers, stored procedures, and other database-specific components required to store, retrieve, and remove persistent objects must all be included in the thorough database architecture defined by the database designer.
Answer continued:
The first step in top-down design is to define each entity type's attributes and to identify the many entity types that exist. In other words, top-down design first defines the necessary data sets, and only then does it describe the data items for each of those data sets.
Bottom-up design first identifies the necessary properties, then groups them to create entities.
When the system's data component contains a sizable number of entities and intricate relationships on which highly sophisticated actions are carried out, centralized architecture may be applied.
The database design task is broken down into a number of modules inside the decentralized design framework. Following the establishment of the design requirements, the lead designer distributes design subsets or modules to design groups within the team.
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In the early days of networking, the most common way to transmit data was via ____, dial-up telephone lines.a. directly-connected b. sharedc. linkedd. switched
In the early days of networking, the most common way to transmit data was via (Option D.) switched, dial-up telephone lines.
Early Data Transmission Methods in NetworkingThe most common way to transmit data in the early days of networking was through switched dial-up telephone lines. In this method, a user would connect to an ISP (Internet Service Provider) using a modem and a telephone line, and then the data was transmitted through the switched telephone line. This was a fairly reliable method of data transmission, although it was slow and limited in capacity. As technology improved, it was eventually replaced by faster data transmission techniques such as:
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Which of the following provides information on the subnets within your network, including the subnet addresses and the routers connecting each subnet?
The network diagram provides information on the subnets within the network, including the subnet addresses and the routers connecting each subnet.
A network diagram can be described as a visual representation of a telecommunications or computer network. It illustrates the components that make up a network and how they interact, including devices, routers, hubs, etc.
Depending on its purpose and scope, a network diagram may consist of a lot of detail or just provide a broad overview.
Networks help the determination of the impact of early or late starts or finishes, issue information about the allotment of resources, and permits managers to do “what if” analyses. With this information, managers may view the status of the plan, evaluate alternatives and analyze progress.
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a technician is using the security tab in the properties dialog box in an attempt to remove the inherited status from a file's permissions but cannot locate where to make the change. what step would the technician take to make the change?
The step would the technician take to make the change is to click the Advanced button to open Advanced Security Settings for the file. The correct option is d.
What is the security tab?You can configure access rights on the user object using the security tab of the machine properties window. You can grant or deny permissions to other groups and users over the user object using the security tab.
Go to the My Account page on the web to enable two-step verification and access all of your other account security options.
Therefore, the correct option is d, click the Advanced button to open Advanced Security Settings for the file.
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The question is incomplete. Your most probably complete question is given below:
The technician should be setting NTFS permissions instead of using Group Policy.
Lengthen the time period between forced password changes.
The principle of least privilege was not followed.
Click the Advanced button to open Advanced Security Settings for the file.
which of the following purposes do wireless site surveys fulfill? (select two.) answer identify the recommended 100 degree separation angle for alternating access points. document existing infrared traffic in the 5.4 ghz spectrum. determine the amount of bandwidth required in various locations. identify the coverage area and preferred placement of access points. identify existing or potential sources of interference.
The physical examination of a location where a wireless radio frequency (RF) network will be built is known as a wireless site survey.
What is a wireless site survey?In order to measure wireless coverage, data rates, network capacity, roaming capability, and service quality, the study evaluates the surrounding environment.In order to identify where your signal will be strongest and weakest, it is important to display the wireless coverage areas (often using heatmaps).Additional names include WLAN site surveys, wireless network surveys, RF site surveys, and networking site surveys.In other words, a survey is carried out to make sure your company makes the most of your wireless network and ultimately saves you money (and aggravation).Any setting, including a warehouse, office, hospital, hotel, or school, is suitable for site surveys.The two main goals are:identifying RF coverage and interference areasChoosing where to put access points.To Learn more About wireless site survey refer To:
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You have an application that renders videos used in your online business. You want tomake sure that the application continues to receive adequate attention from the systemCPU, even if you open other applications. How can you adjust the amount of attentiongiven to that application?
In the Task Manager, change the application's priority setting. Right-click the application in the "Details" tab and choose "Set Priority." Select "low," "normal," "high," "real time," or "above normal," from the drop-down menu.
How does application work?
An client application, often known as a software application or app for brief, is a computer program that is used by end users and is created to do a specific task that is unconnected to the operation of the computer. Applications include word processing, media players, and accounting systems. All apps are alluded to together by the word "application software." Software system, that is related to how computers work, and utility software are the other two main categories of application ("utilities"). Applications could includes pre just on computer.
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write a program to simulate an experiment of tossing a fair coin 16 times and counting the number of heads
import scipy and import numpy as np. data as data bring up numpy. due to chance, rn m = 10**5
Create a computer software to imitate a coin-tossing experiment?This should only require one to three lines of numpy code. (Generate a 2d array of 10**5 x 16 random numbers between 0 and 1 using np.random.uniform1).Then, transform values less than 0.5 to True, or "head," and count how many heads there are on each simulated coin.This is the code:[tex]import numpy as np\\import scipy.stats as stats\\import numpy.random as rn\\m = 10**5; # number of coins\\N = 16; # number of tosses each coin\\sims = np.empty(N)\\for j in range(N):\\flips = np.random.randint(0, 2, m)\\sims[j] = np.sum(flips)print(sims[:])[/tex]
[tex]starter code:import numpy as npimport matplotlib.pyplot as pltfrom numpy.core.fromnumeric import size#%% Q1 setupimport scipy.stats as statsimport numpy.random as rnrn.seed(0)#%% Q1am = 10**5; # number of coinsN = 16; # number of tosses each coinarr = rn.uniform(0,1,size=(m,N))# find headCount[/tex]
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A landscaping company's employees receive payment for their services using a credit card reader that physically attaches to an Apple mobile device. Which of the following connection types is being used?
Lightning
Since the landscaping company's employees receive payment for their services using a credit card reader that physically attaches to an Apple mobile device. The connection types that is being used is option Lightning.
What is lightning?A massive electrical spark known as lightning can form between clouds, in the air, or on the ground. Air serves as an insulator between the positive and negative charges in the cloud and between the cloud and the ground during the early stages of development.
Therefore, in regards to computing, one can say that it was a product of Apple Inc. that developed and constructed the Lightning computer bus and power connector, which was released on September 12, 2012, to replace the 30-pin dock connector.
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identify the correct term of the highlighted item in the code below. app.get('/painters/:painter id?', function (req, res) { ... }
The highlighted portion of the code is app.get.
what is code for a program?Computer code, or a set of instructions or a system of rules defined in a specific programming language, is a term used in computer programming (i.e., the source code). It is also the name given to the source code after a compiler has prepared it for computer execution (i.e., the object code).
These include bar codes, ISBNs, ASCII codes, post codes, and bank account numbers; a check digit is a common checking mechanism used in many current codes. An illustration of this is the widespread usage of ISBN numbers on all new books today.
A system of communication signals or symbols. a set of assigned and frequently secret symbols (such as letters or numerals).
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You plan to implement a new security device on your network. Which of the following policies outlines the process you should follow before implementing that device?
answer choices
Change management
Acceptable use
Resource allocation
SLA
Change management
Change management policies outlines the process you should follow before implementing a new security device on your network.
What is Change management policies?
Change Management attempts to reduce the risk associated with Change. Change is defined by preferred practices as "the addition, modification, or removal of anything that may have an effect on University IT services." Modifications to IT infrastructure, applications, systems, processes, documentation, supplier interfaces, and so on are all included.
Scope:
The owner of the change must submit a change request via the ITS Change Management module within Ivanti Service Manager (ISM). The change should not be implemented until it has been reviewed and approved in accordance with the procedures outlined in this policy.
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state two other ways gaming company cloud use cookie
Answer:
1. to track user activity
2. to track user preferences
An employee sets up an automation that transfers files in a specific folder on their PC to a remote drive for archiving, provided the files are more than six months old.
Which quality of automation is described in this example?
rule-based
cumulative
intrusive
complex
Automation that transfers files in a specific folder on their PC to a remote drive for archiving is rule-based automation
Rule base automation
The simplest forms of rule-based automation and machine intelligence lead to systems that apply man-made rules to store, sort, and manipulate data, and draw conclusions.
Rule-based decision-making is often referred to as procedure-based decision-making, which can help with many problems. Archive automation like the problem above is one of the problems that can be solved with rule based automation
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you are currently logged in using the badams account. you want to view the contents of the /etc/inittab file, but you are not allowed to with the badams account. which command could you use to view the file?
The command that can be used to view the file is su -c "cat /etc/inittab" -l. The command in computer is a code that is used to tell (someone) to do something in a forceful and often official way.
A command in computer refers to a single order from a user to the computer's operating system or to an application to show a service, such as "Show me all my files" or "Run this program for me.
Kind of command there are:
Group management commands. Array management commands.Global commands.The commands are a kind of sentence to tell someone to do something. The other kind of command are: questions, exclamations and statements.
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a managed network device experiences an event - one of its managed ports goes down - and this device sends a udp message (trap) to a central management server. what is the name of the service that will receive this trap?
The service that will receive this trap is called SNMP, or "Simple Network Management Protocol."
The internet protocol suite, a collection of the most widely used communication protocols online, contains the application layer protocol SNMP.
In the 1980s, as organisational networks grew in size and complexity, SNMP was developed. One of the most extensively used protocols for network monitoring today is this one.
SNMP is used to gather information about network changes or to check the status of devices linked to networks. SNMP communicates with your network to gather details about this network device activity. For instance, it monitors the number of hits a web server receives, the number of bytes, packets, and errors sent and received on a network. IT specialists can keep a pulse on all of their managed devices and applications by gathering this data.
The performance metrics of every device in the network can be accessed in real time using SNMP, TCP, and other types of probes. Software can notify system administrators of problems when thresholds for specific values are surpassed, allowing them to investigate the data and find a fix.
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forthe lac operon, the repressor protein is deactivated when the is present inside the cell increasing the amount of lac operon transcription
When the inducer is inside the cell, lac operon transcription is increased.
Explain about the inducer?Molecular controls of gene expression are known as inducers. The two ways an inducer works are as follows: By neutralising repressors. Due to an inducer's interaction with a repressor, the gene is activated.
Both inactivating repressors and activating activator proteins are methods that inducer molecules use to promote transcription. By attaching to tryptophan in the trp operon, the trp repressor activates itself. So, if tryptophan is not required, the repressor is linked to the operator, and transcription is not turned on. Inducers include things like allolactose. The lac operon in Escherichia coli is controlled in terms of how lactose is expressed.
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Which is true about font use in presentation slides? bright font colors should always be used. only one font size should be used. font size should be at least 24 point. font and background color should contrast.
font and background color should contrast is the true statement about font use in presentation slides.
Because Contrast is the synonym for different things. If the font color is the same as the present background, no one will be able to see the text because it will blend into the background.
What is presentation slides?
A slide in a slide show or slide presentation is a single page or image displayed in a slideshow. When watching a ten-picture slideshow, for example, a single image is considered a slide.
A slide is one page of text, images, or animations in a presentation or program such as Microsoft PowerPoint. For example, the slide layout to the right shows four slides.
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Answer: Bright font colors should always be used.
Explanation:
Julian is working on a form in Access, as shown below.
(i couldnt find the image on this one sorry)
Julian would like to create a subform using "frmOrderDetails.” Which steps should he follow?
a. He should right-click on the form under the Forms list and choose Embed from the drop-down list.
b. He should double-click on the form under the Forms list and save it as “frmRetailers.”
c. He should click on the form under the Forms list and drag and drop it onto the “frmRetailers” forms.
d. He should left-click on the form under the Forms list and save it as “subfrmRetailers.”
Since Julian would like to create a subform using "frmOrderDetails.” The steps that he should follow is c. He should click on the form under the Forms list and drag and drop it onto the “frmRetailers” forms.
What is the foam about?Right-click the form you wish to use as the main form in the Navigation Pane, and then select Layout View. From the Navigation Pane, drag the form you want to use as the subform onto the main form.
Subforms are forms inside other forms. Whenever there is a one-to-many relationship and you wish to display data from numerous tables, you often use it. For instance, if you wanted to display an order along with the order details, you would use a subform.
So, When you wish to display data from tables or queries with a one-to-many relationship, subforms are extremely helpful. For instance, a Customer form might have a subform that shows the Orders for each customer.
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Which Photoshop tool allows users to select an area of an image using a specific color, or color range?
Answer:
Color picker tool.
Explanation:
There are a few different ways that you can select a specific color in Photoshop. One way is to use the color picker tool. With this tool, you can click on any area of your image and the color picker will sample the color for you.
this environment is found near the equator on a pretend world. what combination of temperature, precipitation, and humidity best describe environment e's climate?
The combination of temperature, precipitation, and humidity that best characterizes an environment's climate is referred to as desert.
THE DESERTLarge physical characteristics of a desert include geographic boundaries, internal and invading mountain ranges, dominant soil conditions, major cavern and spring systems, external drainage systems, and outstanding bolsons with their related ephemeral lakes and internal drainage systems.
The desert is difficult to characterize, yet the following qualities can be enumerated:
- Low and irregular precipitation patterns (aridity) frequently cause drought throughout the summer months.
- Both air and soil are subject to sustained high temperatures.
- High rates of evaporation from soil surfaces.
- Severe temperature swings.
There are deserts on every continent, covering more than one-fifth of the Earth's surface area. A desert is a region that receives less than 10 inches (25 cm) of precipitation annually. Deserts are included in the category of regions known as drylands.
Deserts are characterized by low humidity (air moisture), low annual precipitation, and an overall moisture deficit, which indicates that the rate of evaporation exceeds the rate of precipitation on average. Extreme temperatures also characterize deserts.
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when using selection sort, how many times longer will sorting a list of 63 elements take compared to sorting a list of 7 elements?
When using selection sort, it will 4 times longer in sorting a list of 63 elements compared to sorting a list of 7 elements.
What is a selection sort?An in-place comparison sorting algorithm in computer science is called selection sort. It performs worse than the equivalent insertion sort in general because it has an O(n2) time complexity, which makes it ineffective on large lists. In some circumstances, especially when auxiliary memory is constrained, selection sort, known for its simplicity, outperforms more complex algorithms in terms of performance.
The algorithm separates the input list into two parts: a sorted sublist of items that is built up from left to right at the front (left) of the list and a sublist of the remaining unsorted items that take up the remainder of the list. The unsorted sublist initially consists of the entire input list, while the sorted sublist is initially empty.
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You need to configure the FastEthernet 0/1 interface on a switch to automatically detect the appropriate link speed and duplex setting by negotiating with the device connected to the other end of the link.
Drag the command on the left to the approbate configuration step on the right to accomplish this. Not all of the commands may be required
Enter global configuration mode
conf t
Enter interface configuration mode
int fa0/1
Set speed of the interface
speed auto
Set the duplex setting for the interface
duplex auto
To configure the FastEthernet 0/1 interface on a switch to automatically detect the appropriate link speed and duplex setting by negotiating with the device connected to the other end of the link. The commands are as follows:
Enter global configuration modeWhat is an ethernet networking interface?
An Ethernet networking interface, often known as a network client, is a circuit board or card that is installed in a personal computer or workstation. A local area network (LAN) connection can be made by a computer or mobile device utilizing Ethernet as the transmission medium.
An Ethernet networking interface must adhere to a variety of Ethernet standards with various transmission speeds and error correction types/rates. A networking interface for an Ethernet network can use any type of transmission hardware, including fiber optic, coaxial copper, and wireless, depending on the capabilities of the hardware it is sending to or receiving from and the required network transfer rates.
Ethernet is a standard for the transmission of binary data, but even though its hardware characteristics are defined, it is hardware-independent.
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What is the relationship between the data life cycle and the data analysis process? how are the two processes similar? how are they different? what is the relationship between the ask phase of the data analysis process and the plan phase of the data life cycle? how are they similar? how are they different?.
Answer: The data life cycle deals with the stages that data goes through during its useful life; data analysis is the process of analyzing data. And both are concerned with examination of data.
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nadia uses the disk management tool to create a simple volume in one of the disks. she specifies the simple volume size and chooses a drive letter. while selecting the formatting options, she modifies the default allocation unit size. what will happen if the allocation unit size is large?
Since Nadia uses the disk management tool to create a simple volume in one of the disks.The thing that will happen if the allocation unit size is large is option A: The performance of file sharing applications will increase.
What do file sharing programs do?The use of the peer-to-peer architecture, a file sharing program is a program created to send or receive digital files in course or over a network.
Note that Utility software called disk management tools is used to manage data on disk by carrying out various operations on it. Additionally, they carry out tasks including managing drives, formatting disks, verifying disks, and dividing devices.
Therefore, one can say that there is no need to buy, maintain, or use expensive equipment or additional storage space because files can be transferred immediately through an internet connection.
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Nadia uses the Disk Management tool to create a simple volume in one of the disks. She specifies the simple volume size and chooses a drive letter. While selecting the formatting options, she modifies the default allocation unit size. What will happen if the allocation unit size is large? Question 11 options: a) The performance of file sharing applications will increase. b) The performance of database applications will increase. c) The performance of file sharing applications will decrease. d) The performance of database applications will decrease.
In Python, how would you print only the first character of a string?
Answer:
mylist[0][0]
Explanation:
String indexing in Python is zero-based: the first character in the string has index 0 , the next has index 1 , and so on
Answer:
>>> s = "Hello"
>>> print(s[0])
H
write a program prints the sum of the first n positive integers. this is calculated by adding all the numbers from 1 up to the number, n, together. for example, if n were equal to 5, then we’d have 5 4 3 2 1
If the positive integer n is 5 then output value ,mean by adding all the numbers from 1 up to 5 is 15.
what is integer?An integer, sometimes referred to as a whole number in algebra, is a number whose decimal (or fractional) portion equals zero. Positive whole numbers, negative whole numbers, zero, and other integers make up the set of all integers.
what is a positive integer?A whole number higher than zero is what constitutes a positive integer. Every counting number is contained in the set of positive integers (that is, the natural numbers).
#include <iostream>
int main() {
int n, sum = 0;
cout << "Enter a positive integer: ";
cin >> n;
for (int i = 1; i <= n; ++i) {
sum += i;
}
cout << "Sum = " << sum;
return 0;
}
Input: n = 5
Output: Sum of digits in numbers from 1 to 5 = 15
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40 points to answer all four questions each in 2- 4 sentances minimum
1. What are some challenges that photographers face when trying to take a great image? What can they do to overcome these challenges?
2. What are some elements that separate good images from great images? How have you used these elements in your photography practice to create great images?
3. What purposes can photographers have for taking photographs? Select one purpose and describe a photograph that MOST LIKELY would be taken to meet that purpose.
4. In photography, what does it mean to capture images with your audience in mind? How have you taken photographs while keeping your audience in mind?
1. Some challenges that photographers face when trying to take a great image include:
Short Windows of Time for the Best Light · Capturing a Scene as it Appears to the Eye2. Some elements that separate good images from great images include:
Light.Subject.Composition3. The purposes that photographers have for taking photographs include:
Memorial.Communicative:Creative4. To capture images with your audience in mind simply means to have the emotions and feelings of the audience in mind.
What is photography about?Photographs are important in everyone's life because they connect us to our past and remind us of people, places, feelings, and stories from our past. They can assist us in determining who we are.
When we talk about capturing the moment in photography, we're really referring to the photo's feeling, emotion, vibe, or atmosphere. That comes from more than just the subjects or the surroundings; it also comes from the photographer.
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you have installed anti-virus software on the computers on your network. you update the definition and engine files and configure the software to update those files every day. what else should you do to protect your systems from malware? (select two.)
Since you have installed anti-virus software on the computers on your network. The other things that you do to protect your systems from malware are options B and E:
Schedule regular full system scans.Educate users about malware.Why is setting up an antivirus scan important?This is often done so as to guarantee the ongoing health of your system, scheduled scans are essential. They regularly perform a thorough virus and other threat check on your systems. The difficulty with scheduled scans is figuring out when the systems will be accessible.
Therefore, one can say that any software that is seen as a form of malicious is one that has been purposefully created to disrupt a computer, server, client, or computer network, leak sensitive data, as well as been able to gain unauthorized access to data or systems, prevent users from accessing information, or inadvertently compromise a user's computer security and privacy.
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You have installed anti-virus software on the computers on your network. You update the definition and engine files and configure the software to updates those files every day.
What else should you do to protect your systems from malware? (Select two.)
- Disable UAC.
- Educate users about malware.
- Enable chassis intrusion detection.
- Enable account lockout.
- Schedule regular full system scans.
How does html help solve the problem of telling a computer what goes on a web page and how it should be organized?.
HTML tells your browser about the structure of your document
What are the four layers of Geert Hofstede's "cultural onion"?
Answer:
Symbol, hero, ritual, value.
Explanation:
As you already know, a stack is a data structure realizing the so-called LIFO (Last In - First Out) model. It's easy and you've already grown perfectly accustomed to it.
Let's taste something new now. A queue is a data model characterized by the term FIFO: First In - Fist Out. Note: a regular queue (line) you know from shops or post offices works exactly in the same way - a customer who came first is served first too.
Your task is to implement the Queue class with two basic operations:
put(element), which puts an element at end of the queue;
get(), which takes an element from the front of the queue and returns it as the result (the queue cannot be empty to successfully perform it.)
Follow the hints:
use a list as your storage (just like we did in stack)
put() should append elements to the beginning of the list, while get() should remove the elements from the list's end;
define a new exception named QueueError (choose an exception to derive it from) and raise it when get() tries to operate on an empty list.
Complete the code we've provided in the editor. Run it to check whether its output is similar to ours.
Expected output
1 dog False Queue error
Using knowledge in computational language in JAVA it is possible to write a code that put() should append elements to the beginning of the list, while get() should remove the elements from the list's end; define a new exception named.
Writting the code:var Stack = function(){
this.top = null;
this.size = 0;
};
var Node = function(data){
this.data = data;
this.previous = null;
};
Stack.prototype.push = function(data) {
var node = new Node(data);
node.previous = this.top;
this.top = node;
this.size += 1;
return this.top;
};
Stack.prototype.pop = function() {
temp = this.top;
this.top = this.top.previous;
this.size -= 1;
return temp;
};
var Queue = function() {
this.first = null;
this.size = 0;
};
var Node = function(data) {
this.data = data;
this.next = null;
};
Queue.prototype.enqueue = function(data) {
var node = new Node(data);
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a college student logs onto a college computer for the first time. which security policy category should be presented to the student?
Answer:
acceptable use policies