Fixed-length character data types are the second-best option for a primary key after integer (number) data types.
Each record in a table is given a special identification by the PRIMARY KEY constraint. Primary keys cannot have NULL values and must have UNIQUE values. There can only be one primary key in a table, and this primary key may include one or more columns (fields). The primary key (PK) of the table is this column, or set of columns, and it upholds the table's entity integrity. Primary key constraints are frequently defined on an identity column because they ensure unique data. Each row of data values in a database table in a relational database is uniquely identified by a candidate key.
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a. what is a device register? b. what is a device data register? c. what is a device status register?
Register is a kind of computer memory that is used for rapidly accepting, storing, and transfering data and instructions that are being used immediately by the CPU. There are three kinds of register, namely:
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c write the code that creates an object of type rectangle named box1 using a no argument constructor.
Answer:
JAVA
Rectangle box1 = new Rectangle();
identify the key players in the case and describe their respective roles. are these the right roles? what roles in particular should be modified? how might such role modifications be accomplished? 2. focus on the role of the software vendor- unitrak software corporation. was it an appropriate role? did unitrak act responsibly
Wallingford, Lassiter, Kovecki, and Hedges are the major players. The MSCC's president, Wallingford, turned the group into a forceful advocate for the business community. Also, as a software vendor Unitrak Software Corporation played an acceptable role.
While the majority of the main players' roles were suitable at the time, MSCC would have benefited from some changes to better suit their IS requirements. Since Jeff Hedges already oversaw the Public Finance and lacked much computer experience, his post was not fit.
i. He was too preoccupied with the finance section to have time to manage the expanding computer operations.
ii. Hedges' position should be changed to remove his responsibility for computer operations and transfer it to someone with more knowledge of and interest in the organization's operations.
Since his division was responsible for the majority of the organization's financial development, Leon Lassiter had a greater awareness of the need for a stronger system to satisfy MSCC's requirements.
His engagement increased his awareness of the potential financial risk if an upgrade was not completed on schedule. Since he is more qualified than (Hedges) and has the will to satisfy the needs of a better IS, Lassiter would be a superior choice to oversee computer operations.
The software vendor, Unitrak Software Corporation played an acceptable role. However, MSCC made the error of choosing software that wasn't appropriate for their purpose.
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which mode specifier will erase the contents of a file if it already exists and create the file if it does not already exist?
The pop() method can be used to delete particular list items. The element at the specified index is removed by the pop() method, which takes the index value as an argument.
a string TrimEnd creates a new string object by removing characters from the end of a string. The characters to be eliminated are specified in an array of characters that is supplied to this procedure. When a class instance is created, the __init__ special method is immediately called. Another name for it is class constructor. For binary files, the line terminator is always b'n'; for text files, the newline parameter to open() can be used to choose the recognized line terminator(s).
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which of the following is a benefit to integrating crm software into an existing erp? more than one answer may be correct.
improved customer service, enhanced data analysis, streamlined proccess are several benefits of CRM softwares
what are the benefits?There are several potential benefits to integrating customer relationship management (CRM) software into an existing enterprise resource planning (ERP) system:
Improved customer service: By integrating CRM and ERP systems, companies can provide more personalized and efficient customer service. For example, customer service representatives can access customer information and order history from the ERP system, which can help them resolve issues more quickly and accurately. Enhanced data analysis: Integrating CRM and ERP systems allows companies to access a wider range of data, which can be used for more sophisticated analysis and decision-making. For example, combining sales data from the CRM system with production and inventory data from the ERP system can help companies better understand customer demand and optimize their operations.Streamlined processes: Integrating CRM and ERP systems can help companies streamline their business processes by eliminating data silos and reducing manual data entry. For example, sales data entered into the CRM system can be automatically transferred to the ERP system, which can help prevent errors and reduce the need for manual data entry.Increased visibility: By integrating CRM and ERP systems, companies can gain greater visibility into their operations and customer interactions. For example, the CRM system can provide insight into customer preferences and trends, while the ERP system can provide information on production and inventory levels. This increased visibility can help companies make more informed business decisions.To Know More About CRM, Check Out
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Social media professionals need to have a ______ approach that allows them to have a seamless integration of content, experiences, and messages for the user.A) dual channelB) omni channelC) hyper channelD) strategic channel
Social media professionals need to have a (Option B) Omni channel approach that allows them to have a seamless integration of content, experiences, and messages for the user.
Creating a Seamless User Experience with an Omni-Channel ApproachAn omni-channel approach is a type of marketing strategy that provides customers with an integrated shopping experience. It uses multiple channels to connect with customers, such as:
Physical storesWebsitesSocial mediaMobile apps, and moreThis allows customers to have a seamless experience regardless of the channel they use, which makes it easier for social media professionals to create content, experiences, and messages that are consistent across all channels.
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The adoption of ________ has been an important factor in the development of the internet of things.
Answer:
ipv6
Explanation:
ipv6
which of the approaches is used to determine the password of a system account or a user account? (choose two.)
Using a Trojan horse, an approach is used to discover the password for a user or system account.
Explain about the Trojan horse?A application that has been downloaded and installed on a computer but is actually dangerous in nature is known as a Trojan horse. Strong signs that a Trojan is present on a computer include unexpected changes to its settings and odd activity, even when it should be idle.
Trojan malware is so named because it imitates the method used to infect computers in the ancient tale of the Trojan horse. A Trojan will conceal itself among apps that appear to be safe to use, or it will try to fool you into installing it. Trojans don't spread themselves through infecting other files or systems like viruses do. A Trojan is a computer program that targets your data or network in order to injure, interfere with, steal from, or otherwise cause harm.
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which two phases of the instruction cycle are always executed during the execution of an instruction? group of answer choices
The CPU does a cycle for each of these instructions before carrying them out.
Each instruction cycle in a simple computer includes the following stages: the memory to get the instruction. Decipher the directive. The fetch stage, the decode stage, and the execute stage are the three primary stages that make up this process. An instruction cycle is the sequence of steps the CPU must take in order to retrieve and carry out an instruction. It is made up of fetch and cycle execution. The stages between instruction fetch and instruction decode will be broken down by the 2-stage pipelined CPU as indicated by the red dotted line in the diagram.
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What type of malicious software is designed to replicate itself to other computers?.
So, a computer worm is a standalone malware computer program that replicates itself in order to spread to other computers.
What is Computer worm?
When you think of the word "worm," you could have a few ideas in mind. You might envision sweet, chewy, soft sweets with a hint of sourness. You might also picture the wriggling, cold-blooded invertebrate creatures that live on the surface of the Earth. And if you're thinking in terms of computers, malware might come to mind.
Computer worms, like real worms, frequently rely on deception to infect their hosts, thus you could argue they don't have much of a backbone. They can be ruthlessly destructive, which may give them the appearance of being a little cold-blooded. Learn more about them now.
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Switch to the view where you can modify how the printed version of your presentation will look.
You must move to the View tab in MS PowerPoint where you can edit how your presentation will appear on paper.
You choose the Handout Master button from the Master Views Ribbon Group's View Ribbon Tab. Unwhite the screen because you are in slide show view. The Slide Show Options option was clicked.
The layout, headers, and footers, as well as the background, can all be changed on presentation handouts using the Handout Master tab. On every page of the printed handout, changes made to the master handout are visible.
Click the View tab, then select Handout Master from the Master Views group to view the available handout options.
You can adjust the orientation of handouts, set the slide size, and specify the number and layout of slides to print on each page under the Page Setup group. To completely personalise your layout, use the settings on the three menus (Handout Orientation, Slide Size, and Slides Per Page).
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which type of internet connection can provide an unshared connection over regular telephone lines operating with at least 1 mbps of bandwidth?
DSL internet connection can provide an unshared connection over regular telephone lines operating with at least 1 mbps of bandwidth.
What is a DSL?
DSL internet is high-speed internet that you connect to via Wi-Fi or an ethernet cable via a modem. DSL is an abbreviation for Digital Subscriber Line/Loop, which is a data transmission medium that uses a copper telephone landline to receive data. (If you arrived here while looking for information on domain specific languages, also known as DSL, you should leave now.)
DSL is the most common type of broadband internet access, and it uses existing phone wiring to transmit data via a DSL modem, making the internet available to everyone.
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A computer randomly generates numbers 1 through 100 for a lottery game. Every lottery ticket has 7 numbers on it. Identify the correct experiment, trial, and outcome below: Select all that apply: The experiment is the computer randomly generating a number The experiment is the computer randomly generating a number less than 10. A trial is one number generated. The trial is identifying the number generated. An outcome is the number 2 being generated. The outcome is the number being randomly generated.
Answer:
it were be a diffent number :
Tina is using the Table Analyzer. She has already moved the fields she wants from one table to another. A portion of her screen is shown.
(the image wouldnt load on this one sorry.)
What does Tina need to do before clicking Next?
a. She needs to rename Table 1.
b. She needs to delete “tblRetailers.”
c. She needs to choose a primary key for Table 1.
d. She needs to select the table to be analyzed.
The thing that Tina need to do before clicking Next is option a. She needs to rename Table 1.
Why renaming Excel table?Select the cell or the range of data to rapidly build a table in Excel. Go to Home and click Format as Table. Select a table design. If you want the first row of the range to be the header row, check the box next to My table as headers in the Format as Table dialog box, and then click OK.
Your charts and PivotTables will update immediately when you use tables to swiftly sort and filter your data, add new records, and add records. Another one of my favorite features, "Named Ranges," is similarly handled using tables. In my Excel Intermediate course, named ranges are covered.
Therefore, You can give each table a name to make it simpler to refer to it, for instance, in a workbook with numerous tables.
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what is a data model used to analyze and communicate data needs at the individual project or application level using graphical symbols to identify data entities and relationships.
An entity–relationship model describes interrelated things of interest in a specific domain of knowledge.
What is entity relationship diagram?An entity-relationship model illustrates how several topics of interest relate to one another in a particular field of knowledge. An ER model's foundational components are entity types and interactions between entity types. An entity relationship model (ERM), also referred to as an entity relationship diagram (ERD), is a graphical representation that shows the connections between individuals, things, locations, ideas, or events inside an information technology (IT) system. In order to define the relationship between the database entities, it serves as a framework built using specific symbols. Entities, attributes, and relationships are the three main building blocks used to make ER diagrams. One or more of a school management system's entities include a department, administration, courses, teachers, students, and buildings.To learn more about entity relationship diagram refer to:
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host e wants to send an ip datagram to host f. host e sends out an arp request to find out host f's mac address. what are the source ip address and the destination ip address of host f's arp reply.
Assume Host A wants to send an IP datagram to Host B, but neither A's nor B's ARP caches contain B's MAC address. Assume that the forwarding table of switch S1 only contains entries for Host B and router R1.
Explanation in Detail:
Because the destination address of the received ARPframe is a broadcast address, Switch S1 will broadcast the Ethernet frame over both of its interfaces. And it discovers that A lives on Subnet 1, which is linked to S1 via the interface connecting to Subnet 1. S1 will also add an entry for Host A to its forwarding table.
Yes, router R1 receives this ARP request message, but R1 does not forward it to Subnet 3. B will not send an ARP query message requesting A's MAC address because A's query message contains this information. When switch S1 receives B's response message, it will create an entry in its forwarding table for host B and then drop the received frame because destination host A is on the same interface as host B. ((In other words, A and B is in the same LAN segment).
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the event logs most commonly used for troubleshooting are located in the applications and services logs node. true or false?
The event logs most commonly used for troubleshooting are located in the applications and services logs node is false.
What is troubleshooting?Troubleshooting is defined as the procedure for locating, organizing, and fixing a flaw, error, or problem in software or a computer system. It makes it possible to fix and restore a computer or piece of software when it breaks down, stops working, or behaves strangely.
For in-depth and targeted troubleshooting in Windows, use the Diagnostics-Networking, WLAN-Autoconfig, and System logs. Look for the Event Viewer to find these logs. Alternately, select Event Viewer under Administrative Tools in the Control Panel.
Thus, the event logs most commonly used for troubleshooting are located in the applications and services logs node is false.
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When filtering records in a query, the expression must return what kind of value?
a. a maximum or minimum value
b. a single text value
c. a positive number value
d. a true or false value
When filtering records in a query, the expression must return this kind of value: a. a maximum or minimum value.
What is SQL?SQL is an abbreviation for structured query language and it can be defined as a domain-specific programming language that is designed and developed for the management and communication of various data that are saved in a relational or structured database.
What is query?In Computer technology, a query can be defined as a computational request for data that are stored in a database table, from existing queries, or even from a combination of both a database table and existing queries.
In database management system (DBMS), either a maximum or minimum value would be returned when the functions MIN() or MAX() are used in conjunction with a structured query language to filter records in a query, which corresponds to the values at the top or bottom values in a data field.
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A bank would like to enhance building security in order to prevent vehicles from driving into the building while also maintaining easy access for customers. Which of the following BEST addresses this need? A. Guards B. Bollards C. Motion sensors D. Access control vestibule
Since the bank would like to enhance building security in order to prevent vehicles from driving into the building while also maintaining easy access for customers. The BEST term that addresses this need is option C. Motion sensors.
What is a motion sensor, exactly?A motion sensor is seen as a gadget that tracks actual movement on a thing or in the surroundings. It has the capacity to instantly recognize and record kinetic and/or physical actions. A motion detector is another name for a motion sensor.
Therefore, Since the bank wants to know before hand, the use of a motion sensor, sometimes known as a motion detector, is a piece of technology that use a sensor to find nearby individuals or objects. Any security system needs motion sensors as a crucial part. A sensor will alert your security system and, with newer systems, your cell phone when it senses motion. Hence, it is the best.
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In the short-run, if P < ATC, a perfectly competitive firm should increase production to the output level at which P = ATC. continue producing at a loss. shut down. continue producing at a profit. There is not enough information to answer the question.
In the short-run, if P < ATC, a perfectly competitive firm should option B: There is not enough information to answer the question since we do not know the firm's AVC.
What Is Perfect Competition?According to economic theory, perfect competition exists when all businesses sell the same goods, market share has no bearing on prices, businesses can enter or quit the market without any obstacles, consumers have perfect or complete information, and businesses are unable to set prices.
Note that a perfect market, also known as an atomistic market, is defined by various idealizing conditions, which are together referred to as perfect competition, or atomistic competition, in economics, specifically general equilibrium theory.
Because competing firms pressure them to accept the market's current equilibrium price, a perfectly competitive firm is referred to as a price taker.
Therefore, from the question, you can see that some data are missing and as such, one cannot make any reasonable conclusion. Hence, option B is correct.
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Explanation:
function of the organelle in question 4.
Using the diagram and your knowledge of biology, identify the following:
a. Organelle A_____
b. Substance A_____
c. Substance B_____function of the organelle in question 4.
Using the diagram and your knowledge of biology, identify the following:
a. Organelle A_____
b. Substance A_____
c. Substance B_____
RT 2: Regents Review!
ections: Recall what you learned in unit 1 about designing an experiment to answer the ientist is interested in the effect that the amount of glucose given to a mitochondria n unt of carbon dioxide that is produced.
scientist sets up three containers: Container 1 holds 20 mitochondria and a 0.5 %cor ainer 2 holds 20 mitochondria and a 1.0 % concentration of glucose; and Container 3 hondria and a 5.0 % concentration of glucose. 0.5 % concentration of glucose
function of the organelle in question 4.
Using the diagram and your knowledge of biology, identify the following:
a. Organelle A_____
b. Substance A_____
c. Substance B_____
RT 2: Regents Review!
ections: Recall what you learned in unit 1 about designing an experiment to answer the ientist is interested in the effect that the amount of glucose given to a mitochondria n unt of carbon dioxide that is produced.
scientist sets up three containers: Container 1 holds 20 mitochondria and a 0.5 %cor ainer 2 holds 20 mitochondria and a 1.0 % concentration of glucose; and Container 3 hondria and a 5.0 % concentration of glucose. 0.5 % concentration of glucose
RT 2: Regents Review!
ections: Recall what you learned in unit 1 about designing an experiment to answer the ientist is interested in the effect that the amount of glucose given to a mitochondria n unt of carbon dioxide that is produced.
scientist sets up three containers: Container 1 holds 20 mitochondria and a 0.5 %cor ainer 2 holds 20 mitochondria and a 1.0 % concentration of glucose; and Container 3 hondria and a 5.0 % concentration of glucose. 0.5 % concentration of glucose
job scheduling consider the problem of scheduling n jobs of known durationst1, t2,...,tn for execution by a single processor. the jobs can be executed in any order, one job at a time. you want to find a schedule that minimizes
The collection of n tasks with known processing times and due dates can be referred to as the EDD rule; the least value of Lmax is obtained by sequencing the jobs in non-decreasing order of their due dates.
The goal of the interval scheduling maximization problem (ISMP) is to identify the largest compatible set, or a collection of intervals with the least possible overlap. The idea is to optimize throughput by completing as many tasks as you can. Greedy algorithms typically operate by beginning with an empty or "base" solution and adding items one at a time until all of them have been added and have the best "score" by the algorithm's defined standards.
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The three main parts of a computer are the cpu, memory, and motherboard. Imagine you are explaining what a computer is to a kindergarten student. What analogy would you use to explain the hardware parts of a computer?.
I will use analogy like if these components, like a human body, work together to enable us to go about our daily lives. The computer and thus CPU functions similarly to the brain, performing some tasks and directing other parts, such as how the brain sends signals to our legs to cause us to walk.
Analogy Explanation:
Memory is similar to our body's memory. It records everything that has occurred as well as all calculations. There are various types of memory, but they all store information and data in the same way that we store fun events and memories in our brains to remember and possibly use later.
When we study for a test, our memory stores all of the information for us to use on the test. This is analogous to computer memory. The motherboard is analogous to our physical bodies and skin. It holds all of our organs inside and allows them to work together. The motherboard on a computer connects all of the computer's major components.
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if a vim user wants to use a command that is similar to the windows copy command, what command should they use?
If a vim user wants to use a command that is similar to the windows copy command, they will choose command "y".
What is Vim command?An improved version of the Vi editor, Vim, is a text editor that is more compatible with Vi. Vi editors are most frequently used to create new files, modify existing files, or just read files. When editing various types of plain text, the Vim editor is more beneficial. More editing software uses this command.The Vi editor has undergone numerous improvements, including the ability to open multiple windows at once, multi-level undo options, buffers, syntax highlighting, filename completion, command-line editing, online help, and many others.Linux code implementation and fundamental Vim commands.To learn more about command, refer to
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the set of methods that can be used to acquire, organize, store, manipulate, and transmit information is known as .
Information technology is the umbrella term for a collection of processes that can be used to collect, arrange, organize, store, alter, and transfer data.
Technology: What Is It?
Technology is the systematic and repeatable body of scientific to achieve practical objectives. The result of such an effort is sometimes known as technology. The use of tech is pervasive in many areas, including daily life, science, industry, communication, and transportation. Both real things like the machines or the utensils and intangible tools like software are considered technologies. Computer technology (IT) is indeed the practice of creating, processing, storing, retrieving, and exchanging various types of data and information using computers. Technology used for information and communications includes IT.
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which of the following specifications replaces wep with a stronger security standard that features changing encryption keys? group of answer choices O vpn O utm O aup O wpa2 O tlsAnswer: WPA2
The specifications that replaces wep with a stronger security standard that features changing encryption keys is option C: WPA2.
What is WPA2 (Wi-Fi Protected Access 2)?The encrypted security technology known as WPA2 (Wi-Fi Protected Access 2) guards internet traffic on wireless networks. The Wi-Fi Protected Access security protocol's second iteration, WPA2, fixes earlier issues and provides stronger encryption.
Note that the purpose of security standards is to increase the security of information technology. Hence, one can say that a security standard is "a published specification that establishes a common language, contains a technical specification or other precise criteria and is designed to be used consistently, as a rule, a guideline, or a definition."
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select the right order of the tcp/ip five-layer network model. 1 point physical layer > data link layer > transport layer > network layer > application layer physical layer > application layer > data link layer > network layer > transport layer physical layer > data link layer > network layer > transport layer > application layer. physical layer > network layer > data link layer > transport layer > application layer
The five-layer networking architecture serves as the foundation for the TCP/IP concept. These are the physical, data link, network, transport, and application layers, arranged from bottom (the link) to top.
The network access layer, internet layer, transport layer, and application layer are the four layers that make up the TCP/IP model (going from bottom to top). In the OSI Model's fifth layer: The OSI (Open Systems Interconnection) model's Session Layer regulates the conversations (connections) between computers. The connections between the local and distant applications are established, managed, and terminated by it. the OSI model's seven layers. Layer 1 is physical, followed by Layer 2 for data links, Layer 3 for networks, Layer 4 for transport, Layer 5 for sessions, Layer 6 for presentations, and Layer 7 for applications.
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when setting up a number of hosts to serve the exact same set of content via http servers, what can you confiugure as a method
We are setting up a number of hosts to serve the exact same set of content via HTTP servers. To ensure the traffic is distributed evenly, we will use a load balancer.
When setting up a number of hosts to serve the exact same set of content via HTTP servers?Use a load balancer to ensure traffic is distributed evenly between the hosts.Configure your servers for high availability so that if one host fails, the other hosts will automatically take over and serve the content.Ensure that each host has the same content by setting up a distributed version control system, such: as Git, and commit content to a central repository.Configure the servers with the same web server software, such as: Nginx or Apache, and ensure the same configuration is applied to all hosts.Use a content delivery network (CDN) to ensure the content is delivered quickly, no matter where the user is located.Monitor and log the performance of each host to ensure uptime and performance standards are met.We will configure the servers for high availability and ensure the same content is served on all hosts by setting up a distributed version control system. The web server software will be the same across all hosts, and we will use a CDN for fast content delivery. We will also monitor and log the performance of each host to ensure uptime and performance standards are met.
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kaitlyn's summer interns are tasked with the repetitive and dull task of entering data all summer. which of the path-goal leadership styles should kaitlyn emphasize?
kaitlyn's summer interns are tasked with the repetitive and dull task of entering data all summer. Katlyn should emphasize on directive path-goal leadership style.
What is data entry?
Transcribing information into another media, typically through input into a computer program, is known as data entry. Handwritten documents, data from spreadsheets, series of numbers, computer code, and even names, and addresses are examples of data types that people might transcribe.
When entering data into a computer or comparable system, some businesses use audio input, which the user listens to. So that there are fewer pauses, the typist must be able to follow along as the tape progresses.
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YOu are configuring the local security policy of a windows system. You wnat to prevent users from reusing old passwords. YOu also want to force them to use a new password for at least 5 days before changing it again. Which policies should you configure? (select two)enforce password historyPassword complexityMaximum password ageMinimum password age
Since You are configuring the local security policy of a windows system. You wnat to prevent users from reusing old passwords. The policies that you should configure are options A and D:
Enforce password history.Minimum password age.Why is a minimum age required for passwords?The Minimum Password Age policy is known to be one that establishes how long users must keep a password before changing it. The minimum password age will stop users from using a new password, changing it to their old one, and then bypassing the password system.
Therefore, one can say that Users can repeatedly use a small number of passwords by setting the Enforce password history option to a low number. If you don't also set a Minimum password age, users can change their password as often as necessary in order to reuse their original password.
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You have decided to establish a VoIP system in your home. Which of the following devices is necessary to connect your analog telephone to your VoIP server? a. Codec b. IP-PBX c. Softphone d. ATA
The device which is necessary to connect the analog telephone to the VoIP server is d. ATA
ATA is an abbreviation for analog telephone adapter which is used to connect a standard telephone to a network or computer so that the user can make calls over the Internet.
Analog telephone adapters create a physical connection between a phone and a network device or computer; some ATA perform analog-to-digital conversion and connect directly to a VoIP server, while some ATA uses software for either or both of these tasks.
The simplest type of ATA consists of one or more RJ-11 jacks to plug a telephone into and a USB connector that plugs into the user's laptop, computer, or handheld device. This ATA often works in conjunction with some type of software (generally a softphone program). The software serves as an intermediary between the VoIP server and a telephone, digitizing voice data so that it can be transmitted over the Internet.
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