The output from a switch is the process of forwarding a packet from one port to another port on the same switch or to another network device. The switch uses the MAC address of the destination device to determine the correct port to forward the packet to.
To choose the root bridge on a switch, the switch uses a protocol called the Spanning Tree Protocol (STP). The STP algorithm selects one switch in the network to be the root bridge, which is the central point for the network topology. The root bridge is responsible for sending out bridge protocol data units (BPDUs) and determining the best path for data to travel through the network.
To choose the root bridge, the switch uses a process called the election process, in which the switch with the lowest bridge ID (BID) is chosen as the root bridge. The BID is a combination of the switch's MAC address and a configurable priority value. The switch with the lowest BID is chosen as the root bridge and the other switches in the network will adjust their paths to forward traffic through the root bridge.
You can choose the root bridge in the switch by configuring the switch's priority value. A lower priority value will increase the chances of the switch being elected as the root bridge.
The answer has to be general since the question is incomplete.
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The Query Editor of the Management Studio lets you enter and execute all types of
A) SELECT statements
B) DDL statements
C) DML statements
D) SQL statements
All DDL statements are inputtable and executable in the Management Studio's Query Editor.
What key is needed to run a query in the query Editor?Pressing CTRL+L when creating a query will execute the selected text or all of the statements in the Query Editor window, displaying the execution plan.
In Microsoft SQL Server Management Studio, how do you open the query editor?Select New Query from the context menu by selecting the server node that is currently associated with a Database Engine instance. In addition to connecting to the same instance of the Database Engine, this will open a Database Engine Query Editor window and set the window's database context to the login's default database.
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List all of the permutations of {a, b, c} no replacement and length 3
Proof
If subsets, then the answer is correct.Notice that Part 4 * Part 5 = Part 1 6 * 10 = 60
What is permutation example?An arrangement of things in a precise order is called to as a permutation. Here, the members of sets are arranged in a linear or relation to a matter. For illustrate, the set A=1,6 has a permutation of 2, which is 1,6,1. There is no other method for organizing the pieces of set A, as you can see.
1. That would be 5*4*3 = 60
Part 2 is the same as part 3,
just replace every "e" with a "c".
Part 3: correct
For enumerations, it's a good idea to be systematic in doing them,
so you don't miss any.
Alphabetical order would be good
a _ _, d _ _, e _ _
a(de, ed), d (ae, ea), e (ad, da)
ade, aed, dae, dea, ead, eda
Part 4: count the number of permutations in
part 2 or part 3: ? six.
Part 5: "subjects" ? or "subsets"
If subsets, then the answer is correct.
Notice that Part 4 * Part 5 = Part 1
6 * 10 = 60
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The complete question is -
List all the permutations of {a,b,c}. This is a permutation and repeats are not allowed Therefore, there are p(3,3)= 3!/0! = 6 permutations, which are a, b, c ; a, c, b ; b, a, c ; b, c, a ; c, a, b ; c, b, a.
A painting company has determined that for every 112 square feet of wall space, one gallon of paint and eight hours of labor will be required. The company charges $35.00 per hour for labor.
Write a function named compute_cost(), that takes area of wall space and the price of a paint gallon. Function then computes the following:
The number of gallons of paint required
The hours of labor required
The cost of the paint
The labor charges
The total cost of the paint job
Finally it returns the total cost to the calling program
Write the main() function that prompts the user to enter area of wall space to be painted and the price of a paint gallon. The main function then calls compute_cost() function to compute the cost and prints the total cos.
Make sure it is in python program
The sum of paint cost() and labor charge ()
print(f"The number of hours of lab time are needed: labour()hours" print(f"The number of gallons of paint are needed: gallons(wall)")
Print "The Price of Paint: $paint cost()," "The Price of Labor: $labour charge()," and "The Total Price of the Job: $round(total(), 2)"
In Python, what is a programme?A collection of Python statements that have been carefully chosen to accomplish a certain task is the simplest definition of a programme.
The square footage of a wall in feet and the cost of a gallon of paint are inputted by the user into the python software. To determine the entire cost of the project based on the quantity of paint and the labour costs, five functions are used: gallons(), labour(), paint cost(), labour charge(), and total().
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effective when sending a single message to several recipients and when needing to communicate 24 hours a day, 365 days a year.
Email, is effective when sending a single message to several recipients and when needing tocommunicate 24 hours a day, 365 days a year. Correct answer: letter C.
This means that recipients can receive emails at any time, which is especially beneficial for people in different time zones.
Email is a great tool for mass communication. It allows for a message to be sent to a large number of people with minimal effort.
Email is also easy to use, and most people are familiar with the basics of creating and sending emails. Additionally, messages that are sent via email can be easily tracked, giving the sender the ability to know when a message is received, opened, and responded to.
_____ is effective when sending a single message to several recipients and when needing tocommunicate 24 hours a day, 365 days a year?
A) A weblog
B) A wiki
C) Email
D) Malware
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Which of the following devices is used for connecting multiple network hosts where the physical signal is always repeated to all ports?
A. Bridge
B. Router
C. Hub
D. Switch
The physical signal is always repeated to all ports on hub devices, which are used to connect numerous network hosts.
Which of the following gadgets doesn't pass broadcast data?Any broadcast packets that are received by a hub, switch, or all other segments in the broadcast domain will be forwarded by those devices, but not by a router.
What network device can be used to link several devices and does not block broadcast traffic?A hub is a basic type of Layer 1 Ethernet repeater that enables the connection of numerous devices to the same Ethernet network. All ports on a network hub get the same traffic since, unlike a switch, a hub DOES NOT split up collision domains.
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You are seeing streaks of toner across your papers when you are printing things using your office's laser printer. What is the MOST likely cause of this problem
It's usually a sign of a filthy transfer roller if you notice toner streaks on your printouts. As a result, routinely cleaning the transfer roller will keep your printed documents spotless.
What brings about toner streaks?Toner can pour out of a broken cartridge, or it can cause streaky prints. It is necessary to change your toner cartridge if any of its photoconductor's (the part with the green or blue roller) parts are visibly harmed.
Why are there streaks on my laser printer's prints?The most common causes of streaking are a used-up toner cartridge or a worn-out drum unit. Drum units are consumables that only require replacement after using three or four toner cartridges. Toner and drum units are not always used separately by printers.
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R Management 4. Assume that your system has one queue for jobs waiting for printing, and another queue for those waiting for access to a disk. Which queue would you expect to have the faster response? Explain your reasoning.
This suggests that the other queue, where jobs are awaiting access to a disk, will move more quickly.
Why is a system referred to as a computer?Its interconnected components (input, output, storage, and CPU) work together to accomplish the tasks specified in the program being run, a computer is referred to as a system.
This is so that other jobs can't interfere with the job that is done as even the printing queue operates on the first Attend, First Wait algorithm, which requires the queue waiting and printing services to go through numerous other procedures before the service provided to print. Additionally, since the job with printing must save the data on the disk, there is a chance that doing so will quickly and randomly alter the disk's content. This may lead to the potential that perhaps the disk is just not updated with the most recent information; as a result, the printing process may produce outdated information that is unusable. However. As it does not operate according to the initial Ask, first Serve algorithm, the queue waiting for disk access would've been able to handle more jobs quickly.
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You decide to work late on a Saturday night to replace wiring in your server room. Upon arriving, you realize that a break-in has occurred and server backup tapes appear to be missing. What should you do as law enforcement officials arrive
As soon as law enforcement personnel show up, you should inform authorities that there is surveillance video on the property.
When handling a situation involving a data breach or data loss Chain of custody is defined.Definitions: A procedure that keeps track of the transfer of evidence throughout its lifespan of collection, storage, and analysis by recording each individual who handled the evidence, the day and time it was gathered or moved, and the reason for the transfer
Which Soar component automates the reaction to security incidents involving IT?What SOAR component is used to automate the response to security incidents involving IT? D. Security orchestration, automation, and response (SOAR) is a software program created to improve the effectiveness of incident response by speeding up reaction times.
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When looking over a written document, you should reread for meaning, add, rearrange, remove and replace. What process are you using
The revision process includes three rounds of editing: the structure edit, the copy edit, and proofreading. The structural edit is performed at the paragraph level and concentrates on the logic and thought flow.
Is editing or revision done first?It's time to move on to editing your work when you've done rewriting it. Editing involves changing the way sentences are put together and how they are phrased, but rewriting entails making significant, comprehensive changes to your paper's overall structure and arrangement.
What happens during a document revision?In order to ensure that the document fulfills its objective, revision entails examining the global level and paragraph level organization of the draft and making modifications at the global, paragraph, and sentence levels.
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Is each of the following an absolute pathname, a relative pathname, or a simple filename? a. milk_co b. correspond/business/milk_co c. /home/max d. /home/max/literature/promo e. ..
f. letter.0210
easy pathname milk co correspond/business/milk co; relative pathname c. The absolute pathname is /home/max. /home/max/literature/promo d A basic filename with an absolute pathname is etter.0210.
Describe an example of an absolute path./home/sally/statusReport is an absolute path; it always includes the root element and the entire directory list needed to find the file. The path string contains each and every piece of data required to find the file.
What distinguishes a pathname that is absolute from one that is relative?If a file or directory is to be located entirely outside of the root directory (/), it must be specified using an absolute path. In other words, a complete path starting at the root of the actual file system, or the / directory, is what we mean by an absolute path. The definition of a relative path is a direct, connected connection to the present (pwd).
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C. Theme: Object-oriented. Baic of programming ( encapulation, inheritance, polymorphim, clae, and object ). Structure and aociation. Tak : Create Book and Notebook clae and create the function that connect them
The four main principles of object-oriented programming are polymorphism, inheritance, encapsulation, and abstraction.
What is meant by object-oriented programming ?Programming in the object-oriented (OOP) manner identifies classes of objects that are closely related to the methods (functions) with which they are associated. It also covers the concepts of attribute and method inheritance.
A system that is object-oriented enables users to totally concentrate on tasks rather than tools. C++ and Smalltalk are two examples of object-oriented programming languages.
OOP can be used to reduce the amount of work required in manufacturing and design applications. It can be applied, for instance, when creating flowcharts and blueprints. The designers and engineers can accurately create these flowcharts and blueprints thanks to OOP.
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An isolated equipment grounding receptacle is installed using a rigid nonmetallic conduit and a metal device box. Two 12 AWG conductors enter the box and are spliced to two 12 AWG conductors leaving the box and to two pigtails, which feed the receptacle. The 12 AWG isolated equipment ground has a pigtail splice for the receptacle and continues through the box. A bare 12 AWG equipment grounding conductor enters the box, connects to the box grounding screw, and continues on through the box. Determine the minimum size metal device box for this installation.
The minimum size metal device box for this installation 3 x 2 x 3 1/2 device box.
What amount of cubic inches of room is needed to instal one no. 12 AWG conductor in a box or conduit fitting?A 2.25 cubic inch, each conductor with a gauge of 12 AWG needs 2.25 cubic inches of space. Both the two white and the two black 12 AWG wires must be counted. The two green equipment-grounding conductors are treated as a single 12 AWG conductor in accordance with 314.16(B)(5).Both the equipment grounding conductor and the grounded circuit conductor must be extended to the second building.Box-fill estimates do not take into account minor fittings like bushings, wire connections, and locknuts. A single count is required for each conductor with an outside-the-box origin that is terminated or spliced inside the box.To learn more about 12 AWG conductor refer to:
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You are a server virtualization consultant. During a planning meeting with a client, the issue of virtual machine point-in-time snapshots comes up. You recommend careful use of snapshots because of the security ramifications. Which security problem is the most likely to occur when using snapshots
When employing snapshots, the security issue that is most likely to arise will have less patch updates than invoked snapshots.
What kind of hypervisor would be necessary to use an existing server running an existing operating system?Typically, a Type 2 hypervisor is set up on top of an existing OS. It is frequently referred to as a hosted hypervisor since it uses the pre-existing OS of the host system to control calls to CPU, memory, storage, and network resources.
What does server virtualization primarily provide users of cloud computing?What are the advantages of server virtualization? It makes cloud computing more practical and effective. Any machine to which the user has access can access the virtual desktop.
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Which of the following statements describe the benefits of a career in transportation, distribution, and logistics (TDL)? everfi
The statement that describes the benefits of a career in transportation, distribution, and logistics (TDL) is: It seeks to reduce logistics costs for the company and increase satisfaction for buyers.
What is a career in transportation, distribution, and logistics (TDL)?The planning, management, and transportation of people, materials, and commodities via road, pipeline, air, train, and water are the main areas of employment for the Transportation, Distribution, and Logistics Career Cluster.An expanding sector known as transportation, distribution, and logistics (TDL) links producers and other businesses with customers. To move items from one site to another securely and on schedule, a large TDL workforce is required due to the sharp development in eCommerce.In order to make sure that the product reaches the customer at the appropriate location and time while taking distribution and logistics into account, that profession assesses what is pertinent to logistics transport.Learn more about TDL refer to :
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You need a fast, secure, and reliable multihomed network perimeter solution that is designed to prevent specific types of network traffic from entering your corporate network. Which solution should you deploy
Using a ( VPN) virtual private network is the best approach to grant users access to private resources via the internet since encryption of all data assures a secure connection between the client and server.
What network security protocol enables the use of a single setup to encrypt all network traffic?Contrary to application security protocols like HTTPS, which are only applicable to web servers and require a PKI certificate for each server, IPSec can be configured to secure some or all network traffic with a single setup.
Which of the following has the greatest chance of preventing buffer overflow attacks?By making sure you are up to current with system and application fixes, buffer overflow threats can frequently be reduced.
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The "Traveling Salesperson Problem" poses this question: A salesperson is given a list of cities and the distances between them. The salesperson has to visit each city exactly once and then return to the first city. What is the shortest possible route the salesperson could take? Assume an actual salesperson is trying to determine the shortest route she can take to visit 18 cities. She could use a computer program to calculate the distance of every possible route and then select the shortest one. Alternatively, she could use a heuristic to find a route. Which of the following reasons would justify the use of a heuristic? Elimination Tool
When using an algorithm to solve a problem is difficult or impractical, a heuristic is employed. We therefore need something that works well enough to find a route. A heuristic excels in this situation.
A heuristic function's definition.A heuristic function is a function that estimates a problem's approximate cost (or ranks alternatives). Finding the shortest driving distance to a destination is an example of a problem. The distance in a straight line to the spot would be a heuristic cost. Informed Search employs the heuristic function, which identifies the most promising route. It generates an estimate of how far away the agent is from the goal using the agent's current condition as input.
What sort of heuristic algorithm is that?By providing quick answers, heuristic algorithms are utilized to solve NP-hard problems and reduce the time complexity of issues. It is frequently used to solve artificial intelligence issues. One illustration is informed search, when more data is available to determine the following step in locating the answer.
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Write a program that:
Takes the list lotsOfNumbers and uses a loop to find the sum of all of the odd numbers in the list (hint: use Mod).
Displays the sum.
Situation B
Write a procedure that takes a positive integer as a parameter. If the number given to the procedure is no more than 30, the procedure should return the absolute difference between that number and 30. If the number is greater than 30, the procedure should return the number doubled.
#include <iostream>
#include <vector>
#include <string>
int main(int argc, char* argv[]) {
//Fill it by own.
std::vector<int> lotsOfNumbers = {0,1,2,3,4,5,6,7,8,9};
//Loop to find odd numbers.
for(int i=0;i<lotsOfNumbers.size(); i++) {
if(lotsOfNumbers[i]%2!=0) std::cout << lotsOfNumbers[i] << std::endl;
else continue;
}
return 0;
}
Situation B:#include <iostream>
#define check(x) ((x>30) ? 2*x : 30-x)
int main(int argc, char* argv[]) {
std::cout << check(15) << std::endl;
std::cout << check(-2) << std::endl;
std::cout << check(30) << std::endl;
std::cout << check(78) << std::endl;
return 0;
}
4.5 code practice phython code answers
Answer:
count = 0
data = input('Please enter the next word: ')
while data!= "DONE":
count = count + 1
print("#" + str(count) +": You entered the word " + data)
data = input("Please enter the next word: ")
print("A total of "+ str(count) + " words were entered.")
Explanation:
So the code is asking us to put in words from the user and then it will count those words in total.
so first we want the code to start from 0 to get an accurate count
count = 0
boom, first line.
second you will ask the user to input a word with a data string on it to then have it stored
data = input('Please enter the next word: ')
now if the user enters DONE the code will know to stop and give the total
while data != "DONE":
then we will have the code count the words we inputed,
count = count + 1
next we want to know how many words we put in "the whole point of the code.
print("#" + str(count) +": You entered the word " + data)
the data is very important
if the user didnt enter DONE we want the code to continue so we ask the user to enter another word
data = input("Please enter the next word: ")
now we do the same thing as the code before, now we show how many words were entered in total
print("A total of "+ str(count) + " words were entered.")
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An application named APP1 runs on a domain-joined Windows server named SERVER1. When APP1 runs, it reads and writes to a specific registry key. You need to harden APP1's access to the registry. What should you do
Make a service account for APP1 and use regedit.exe to provide the service account the required registry rights.
In regedit, how can I add permissions?Click Start > Run > type regedit.exe > press Enter to launch the Registry Editor. Right-click the key that requires permission in the left pane, then select Permissions. Choose the user or group to which the permission should be applied. For the access levels of the group or username, select the Allow checkbox.
Registry permissions: What are they?Each permission option allows you to manage Registry rights for a certain person or group. Three groups of these permissions are provided by the Registry. The procedure of defining user access to the Registry keys is made simpler by these groupings.
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Murray is a database technician. He has created a single enterprise database system. How is this better than multiple databases in independent solutions
The process of centralizing many databases and instances to share resources and, among other things, save license and hardware costs, is known as database consolidation.
What does a database serve?Any collection of data or information that has been properly structured for quick search and retrieval by a computer is referred to as a database, often known as an electronic database. Databases are designed to make it easy to save, retrieve, edit, and delete data while carrying out various data-processing tasks.
What advantages does a database offer a company?A DBMS gives businesses a thorough understanding of how data is shared, preventing the needless duplication of data. A DBMS also enables businesses to enforce data security and privacy guidelines to lower the chance of a data leak.
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Question:Murray is a database technician. He has created a single enterprise database system. How is this better than multiple databases in independent solutions?
A. It results in data duplication
B. It results in data redundancy.
C. It results in data consistency.
D. It results in data concurrency.
You need to implement HomeGroup on three computers. Which version or versions of Windows could you install that will support this feature?
Windows 10, Windows 8.1, Windows RT 8.1, and Windows 7 all support HomeGroup. You can join a homegroup but not create one or share content with it on a PC running Windows RT 8.1.
Does HomeGroup still exist in Windows 10?HomeGroup is no longer available in Windows 10. (Version 1803). Windows 10 still provides features that let you share printers and data despite its disappearance.
The HomeGroup functionality was first offered by which operating system?The new HomeGroup feature in Windows 7 makes it simple to connect the PCs in your home. Windows 7-powered computers automatically recognize one another.
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disadvantages of network
wifi works with all of the apps and does online classes
the field or fields on which records are sorted is called the sort key. true or false
True. The report's sort key refers to the field or fields on which records are sorted.
An important sort key is what?The first sort field, rep number, is referred to as the main sort key (also known as the primary sort key), and the second sort field, customer name, is referred to as the minor sort key when records are sorted by more than one field, such as sorting by rep number and then by customer name (also called the secondary sort key).
In Access, how do you sort numbers?The Sort & Filter group can be found by clicking the Home tab on the Ribbon. The field can be sorted by choosing the Ascending or Descending command.
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Select the type of form control that "disguises" the characters that are typed.
a. text box
b. password box
c. encrypt box
d. hidden box
the style of frame element that hides the characters you type.the password box
What are form controls also known as?The line of interaction between the client and the server is an interface control called a form control.By control type, interactions change:buttons: button menus: choose, file handling: input type="file," etc.and are additionally categorized.
Basic form control is what?The majority of form widget kinds, such as single sentence text fields, time & date controls, control mechanisms without input like checkboxes, buttons, and colour pickers, buttons, and so forth, are created using this tool.
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True or false: Sports teams are superior to other forms of entertainment, and do. Do not directly compete with others such as video games and movie theaters
Because concessions have grown to comprise a significant portion of professional sports teams' overall profits, they have been steadily rising prices in a monopolistic environment, which is why the cost of food and drink in sports stadiums is so high.
Do you mean food by concession?Some gatherings or locations enter into agreements with third parties to sell food. These agreements are frequently referred to as concessions, which is also the term for a food stand.
What makes food a concession?A ballpark or other venue's concessions are known as such because the venue has given a certain vendor permission to serve food there. Think about that the next time you're eating peanuts at a sporting event.
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Fred has saved a large number of Word documents on his computer running Windows 7 Home Edition. He installs Windows 10 on his computer, using the same partition on which Windows 7 was installed. He does not reformat this partition. What happens to these documents
These documents are placed in the Windows.old\Documents and Settings\Fred\My Documents folder.
Which Windows 10 installations demand that you submit a product key before they may be installed?You will require a product key to do a clean install of Windows 10 on a computer when you are utilizing bootable installation media that has never been upgraded to the operating system and activated. Windows 10, as well as a compatible edition of Windows 7, Windows 8, or Windows 9, can be used to enter a product key. 1
Which approach from the list below is used to install Windows 10 completely from scratch on a new computer?Migration via wiping and loading The user data and settings must be backed up to an external place before you may install Windows 10 on an already-existing PC using this approach. The user data and settings need to be restored after that.
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Which BEST describes a third-generation computer? A. the CPU was used for the first time, computers could be owned by the general public, and a GUI was used B. used operating systems, keyboards, and monitors for the first time, and integrated circuits were used to supply electricity C. used artificial intelligence so that the computers become reasonably intelligent all on their own D. high-level programming languages, magnetic tape and disks for storage, and used small transistors to supply electricity
C. used artificial intelligence so that the computers become reasonably intelligent all on their own
Third-generation computers were developed in the 1960s and marked a significant advancement in the development of computers. They were the first computers to use integrated circuits, which allowed for smaller and more powerful computers. Third-generation computers also featured the development of high-level programming languages, such as COBOL and FORTRAN, which made it easier for programmers to write and understand code. These computers also used magnetic tape and disks for storage, which were much more efficient than the punched cards used in earlier computers. Third-generation computers made use of artificial intelligence, which allowed them to perform tasks that required some level of independent thought and decision-making.
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in a data dictionary, any name other than the standard data element name is called a(n) _____.
In a data dictionary, any name other than the standard data element name is called an alias.
According to the IBM Dictionary of Computing, a data dictionary is a a feature that keeps track of your data. MAPS contains the Data Dictionary's storage. It is described by Oracle as a group of tables with metadata. The phrase can refer to databases and database management systems (DBMS) in a number of ways that are all closely related.
In order to help users comprehend the tables and data they are working with more quickly and to bring uniformity to your reports and Data Blocks, aliases are field-level descriptive names.
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Users report they have to select the output tray at the printer, even though the correct tray is selected in the print dialog. Which of the following should a technician perform FIRST to attempt to solve the problem
On the print server, reinstall the driver. Even when the right tray is selected in the print dialog, users claim they still need to choose the output tray at the printer.
Does a wireless printer make sense?
A wireless printer that relies on a hands-free gadget makes it simpler to operate when you're on the go. You will undoubtedly save a lot of money because there is no installation required. They operate within any household or business's budget.
What is a wireless printer's drawback?
The wireless printer's drawback is that an access point or wireless router is required. You are unable to use the wireless printer without a wireless network. However, the majority of houses and businesses already have wireless networks.
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class HashTable(): def __init__(self,nbuckets): pass def __len__(self): pass def __setitem__(self, key, value): pass
To determine the length of the instance attributes, utilize the magic method __len__. Now, the len(s) method internally calls the special method __len__() to return an object's length.
What does Excel properly?Capitalizes the initial letter of a text string and any additional letters that come after any character other than a letter in the text. lowercase letters are used for all other letters.
Is the constructor _ init ?Python classes have a reserved method called "__init__". In OOP principles, it is referred to as a constructor. When an object derived from the class is created, this method is called, enabling the class to initialize the attributes of the class.
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