The operating system decides whether a process is authorized to run on this system through a process known as access authorisation. The user name, which we are all familiar with when we log on to a computer, is the most prevalent type of this control. Authentication is the second method of operating system security.
What is the purpose of authorization?
The security procedure known as authorization establishes a user's or service's level of access. In technology, authorization is used to grant users or services permission to access certain data or carry out specific tasks.
What steps make up the user authentication process?
The user or machine must demonstrate their identity to the server or client during authentication. A user name and password are typically required for server authentication. Card-based authentication, retinal scanning, voice recognition, and fingerprint authentication are further options.
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intel ____ has responded to the need for security and performance by producing different cpu designs.
Intel Virtualization Technology has responded to the need for security and performance by producing different cpu designs.
What is Virtualization Technology?By abstracting hardware, virtualization enables many workloads to share a single pool of resources. A variety of workloads can co-locate on shared virtualized hardware while being completely isolated from one another, easily move between infrastructures, and scale as necessary.
Server administrators may easily construct and move virtual machines with the use of virtualization software, like VMware, Hyper-V, KVM, and XenServer. As a result, starting up a new instance of a server only takes a few minutes or even seconds.
Therefore, Native processing capacity partitioning and simultaneous hosting of many operating systems on a single computer are features of Intel processors. Virtual machines perform better thanks to this being more effective than software-based virtualization.
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Beginners Comp Sci (LANGUAGE: Java)
Please Help!
Java is an object-oriented, well-structured language that is accessible to beginners. Since many procedures run automatically, you can become proficient in it rather quickly.
Java is it taught in CS?The programming languages that students learn will form the cornerstone of every computer science education. A typical computer science program will cover at least one programming language, such Java or C++, used in
I'm 40; can I learn Java?
No, you are not too old to program, so let's get that out of the way. There has never been an age restriction on learning to code. But far too frequently, older folks limit. Their ability to achieve because of insecurity and uncertainty.
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widely used in the areas of business-to-business (b2b) electronic commerce and supply chain management (scm), what term is used to describe a network that connects parts of the intranets of different organizations and enables business partners to communicate securely over the internet using virtual private networks (vpns)?
The term used to describe this network is a Virtual Extranet.
What is network?Network is a system of computers or other devices connected to each other, usually via cables or wireless technology, that can communicate and share data. It allows users to access, store and exchange information, resources and services. Networks can be local or wide area, private or public, and can range from a single connection between two computers to millions of connected devices spanning the globe. Networks are used for a variety of purposes, including file sharing, streaming audio and video, video conferencing, online gaming and more.
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in step 5 of this activity, you created a data frame onlineta city hotels v2. what is the lead time in the first row created in this data frame?
Note that in order to identify the Lead Time of the first row of a data frame, you need to use the iloc[] attribute.
You can use the iloc[] property in the Pandas library to select specific rows or columns from a DataFrame. For instance, you can use iloc[0] to retrieve the first row of a DataFrame as a Pandas Series.
A DataFrame is a data structure that organizes data into a table with rows and columns. It is similar to a spreadsheet and is widely used in data analytics because it is easy to work with and allows for flexible data storage and manipulation.
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ambrose is testing his it department's new firewall deployment. he is using a collection of applications that employ a brute-force technique to craft packets and other forms of input directed toward a target. what is this collection of tools called?
Packet Filtering Firewall is responsible for filtering the packets based on the IP addresses source and destination port numbers and also the source and destination protocols.
What is information security?Information security can be defined as a preventive practice which is typically used to protect an information system (IS) that use, store or transmit information, from potential theft, attack, damage, or unauthorized access, especially through the use of a body of technologies, encryption, firewalls, frameworks, processes and network engineers.A firewall can be defined as a network security protocol that monitors and controls inbound and outbound traffic based on set aside security rules.In Computer technology, a firewall is used to control access to a computer or network, as it creates a barrier between a computer or a network and the internet in order to protect against unauthorized access.Therefore, the other functionality which would influence a decision to deploy a stateless, rather than stateful, firewall are:Block TCP portsAllow network protocols.
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tls provides security at the layer. a. network b. transport c. application d. none of the above
TLS offers security at the transport layer.
What is TLS?A cryptographic technique called Transport Layer Security (TLS) is intended to guarantee communications security over a computer network. Although the protocol is widely used in voice over IP, email, and instant messaging, its use to secure HTTPS is still the most commonly known.
Through the use of cryptography, such as the usage of certificates, the TLS protocol primarily attempts to offer security, including privacy (confidentiality), integrity, and authenticity between two or more communicating computer programs.
The TLS record and the TLS handshake protocols make up its own two layers, which it executes in the presentation layer.
A communications protocol that offers security to datagram-based applications is the closely related Datagram Transport Layer Security (DTLS).
Hence, TLS offers security at the transport layer.
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In Active Directory, a Domain Controller functions as which of the following? Check all that apply.O A Kerberos authentication serverO A DNS serverO A server that holds a replica of the O Active Directory database
Answer:
O A Kerberos authentication server
O A DNS Server
O A server that holds a replica of the Active Directory database
Explanation:
javascript can be used for a. validation of data entered by a user b. any or all of the above c. computations based on user input d. changing the look and feel of a web page
Javascript can be used for b. any or all of the above .
What is JavaScript used for?Making interactive web pages is possible with JavaScript, a text-based computer language used both on the client-side and server-side. JavaScript adds interactive aspects to online sites that keep users interested, whereas HTML and CSS are languages that provide web pages structure and design.Given that JavaScript is the most widely used programming language in the world, it should come as no surprise that it is one of the most in-demand talents in the current web development market. Seventy-two percent of businesses are eager to employ JavaScript specialists, according to the Devskiller IT Skills and Hiring Report 2020.Despite being more sophisticated than HTML, JavaScript allows you to write useful code far faster than it would take you to master the proper HTML markup for web pages. However, compared to HTML, learning everything that JavaScript is capable of will take far more time.Learn more about JavaScript refer to :
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What is the horizon on a perspective drawing?
One form of eye-level line is the horizon. Eye-level lines are the lines that naturally direct the viewer's eye into a photograph.
What is photograph?Photograph is defined as a picture made when light strikes a photosensitive surface, either a piece of film for photography or an electronic image sensor like a CCD or CMOS chip. Photography, which means "painting with light" in its literal sense.
A natural form of line to direct the viewer's eye level is a horizontal line. Because it enables you to manage the height of the viewer's eye as they stare at the image, a horizon line is crucial in art. The horizon line is always visible to you at eye level.
Thus, one form of eye-level line is the horizon. Eye-level lines are the lines that naturally direct the viewer's eye into a photograph.
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Choose the correct term for each type of software.
software manages the hardware and software on a computer. Without this software, the computer
would not be functional.
software allows users to complete tasks and be productive. Examples of this software include
browsers, word processors, and video editors.
software allows programmers to create the software and utilities used on computers.
The correct term for each type of software may include is as follows:
An operating system is a type of software that manages the hardware and software on a computer. Without this software, the computer would not be functional.System software is a type of software that allows users to complete tasks and be productive. Examples of this software include browsers, word processors, and video editors.Application software allows programmers to create the software and utilities used on computers.What do you mean by Software?Software may be defined as a set and collection of instructions, data, or programs that are used to operate computers and execute specific tasks.
It is the opposite of hardware, which describes the physical aspects of a computer. Software is a generic term used to refer to applications, scripts, and programs that run on a device.
An operating system is software that controls and coordinates the computer hardware devices and runs other software and applications on a computer. It is the main part of system software and a computer will not function without it.
Therefore, the correct term for each type of software may include is well-mentioned above.
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is the programming language for client-side programs.which syntax is used for a function to return a value?
The answer to the question is that client-side programs are written in JavaScript.
In plain English, what is a programming language?A scripting language is a language and grammar system used to give instructions to a computer or other computing equipment so that it can carry out particular activities. • High-level languages like BASIC, C, C++, Fortran, Java, Assembler, Ada, and Pascal are referred to as programming languages.
Why do we use programming?Today's environment is highly automated, making computer programming essential. The relationship between individuals and machines needs to be under human control. We utilize computer coding to harness such computational power because computers and machines can perform tasks so precisely and effectively.
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the address resolution protocol (arp) transmits a broadcast message and requests a reply with information on the ip address of a computer. arp most likely offers a
ARP(address resolution protocol) is a mechanism for mapping a dynamic IP address to a permanent physical machine address in a local area network (LAN).
What is the main aim of the ARP Address Resolution Protocol? Generally in a local area network, LAN , the Address Resolution Protocol (ARP) is a technique used for translating a dynamic IP address to a permanent physical machine address (LAN).Another term for the actual machine address is A media access control (MAC) address .Protocol for (ARP) Address Resolution Protocol (ARP) is a layer 2 protocol which maps MAC addresses to IP addresses.
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you receive an e-mail to reset the online banking username and password. when you attempt to access the link the url appearing in the browser does not match the link. what is this known as?
An attempt was made to open the link. The link does not correspond to the URL displayed in the browser. It's called phishing.
What is phishing?Phishing attacks are counterfeit communications that appear to come from a trustworthy source but which can compromise all types of data sources. Attacks can facilitate access to your online accounts and personal data, obtain permissions to modify and compromise connected systems--such as point of sale terminals and order processing systems--and in some cases hijack entire computer networks until a ransom fee is delivered.Sometimes hackers are satisfied with getting your personal data and credit card information for financial gain. In other cases, phishing emails are sent to gather employee login information or other details for use in more malicious attacks against a few individuals or a specific company. Phishing is a type of cyber attack that everyone should learn about in order to protect themselves and ensure email security throughout an organization.
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how can an algorithm be described in which the work it does grows as a function of the square of the problem size?
The algorithm be described as : quadratic
About Time-Complexity:
Your program is functional, but it runs too slowly. Or perhaps your neat little piece of code is running just fine, but slower than that other, longer one. In computer science, the Big-O notation is frequently used to describe the efficiency or complexity of an algorithm. Practically speaking, it serves as a gauge to determine whether your function is effective and whether it needs to be improved.
As you continue your education, time-complexity will play a bigger role in your development environment. You'll eventually be able to evaluate your software and determine which programs fit into which time complexity categories (constant, linear, quadratic, exponential, logarithmic). To better understand how Time-Complexity works in your code and in real life, we'll be breaking down the fundamentals in this guide.
O(N²) — Quadratic Time:
An algorithm with quadratic time complexity has performance that is squarely correlated with the size of the input data set (think of Linear, but squared). This temporal complexity will appear in our applications anytime we nest over numerous iterations in the data sets.
Let's look at the cards again. How to eliminate all the cards with the same number if, for example, you chose the first card in the deck. You would need to go through the deck and eliminate any duplicate cards. You would repeat the process with the next card, the next, and so on until you reached the last card in the deck after you were certain that all the duplicates had been eliminated. An illustration of quadratic time complexity is this.
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all dual core or higher processors and all motherboards sold today support what technology capable of enhancing the processor support for virtual machines?
Hardware-assisted is the technology capable of enhancing the processor support for virtual machines.
Hardware-assisted
Hardware-assisted virtualization is a platform virtualization technique used in computing that enables effective full virtualization with the use of hardware resources, primarily the host processors. When an unmodified guest operating system (using the same instruction set as the host machine) functions in a full virtualization, the entire hardware environment, or virtual machine, is emulated. In 2005, 2006, and 2010, x86 processors (Intel VT-x, AMD-V, or VIA VT) adopted hardware-assisted virtualization.
Accelerated virtualization is another name for hardware-assisted virtualization, which is also referred to as native virtualization by Virtual Iron and hardware virtual machine (HVM) by Xen.
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blunk is a service that allows users to send updates through posts that contain only a few words. these updates are sent to the users who have signed up to receive them. blunk can be regarded as a(n) .
The help of the service Blunk, users may share updates via posts just with a few words. Users who have subscribed to receive these updates are informed about them. Blunk is equal to a microblog.
What does the term "user" mean?A users is anyone who employs or makes use of a certain object, such as a smoker or a website user. You are a Vocabulary.com user if you are reading this. Congrats! A user is one who employs or makes use of something, which is what it means to utilize something.
What does a relationship user look like?It indicates that one individual is consuming overly whilst the other is giving everything. — Dr. Meghan Marcum The relationship's power dynamics are thrown off by it. Both partners would be in charge of giving their partner assistance, trust, and emotional safety in a healthy relationship.
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what is the name of the hacker who maintained propaganda websites and posted hacker training tutorials for the e-jihad?
Youni Tsoulis is the name of the hacker who maintained propaganda websites and posted hacker training tutorials for the e-jihad.
What is a cyberjihad?A concept called "cyber jihad" was created to broadly characterize how Islamic extremist terrorists utilize the internet. in their conflict with the opposition by using the Internet as a tool for communications, fundraising, recruiting, training, and strategy.
What is the role of an ethical hacker?The duty of doing risk analyses and testing systems for security flaws is given to ethical hackers since they have the knowledge, expertise, and experience to do so. In order to defend businesses from assaults, these tests are run against all conceivable security lapses, exploits, and vulnerability situations.
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on what page in the wgu student portal can you find a list of the courses you must complete for your degree program?
Your Degree Plan is a tab on the home page. It lists out all of the courses you are required to complete to earn your degree on a standard path.
Define portal?A portal is a popular website that offers a variety of products, services, and vendor links. By choosing the content sources and compiling them into an easy-to-use interface that can be customized, it serves as a value-added middleman before being presented to the end user.A portal is a phrase, typically synonymous with gateway, for a World Wide Web site that serves as, or is intended to serve as, a significant entry point for users when they connect to the Internet or that people frequently use as an anchor site. The two types of portals are general and specialized.A portal is any frequently visited website that acts as a point of access to the Internet and typically has several connections to a range of sources of data, information, resources, and services.To learn more about portal refer to:
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Which command can an administrator issue on a Cisco router to send debug messages to the vty lines?answer choices- terminal monitor- logging console- logging buffered- logging synchronous
These messages must be sent to the terminal lines using the terminal monitor command.
What do you meant by terminal monitor ?On the VTYSH session, the terminal monitor is utilized to dynamically display a selection of logs. Only the live or active logs are seen when the switch's terminal monitor capability is activated. On the SSH session or console session, these logs are visible.
Description. For the current terminal session (i.e., VTY or asynchronous line), this command permits the display of debugging messages and system error messages.
The command no logging console can be used to turn off console logging; it does not apply to the console itself. How do I access Ubuntu Monitor from the terminal? Simply enter any name for System Monitor followed by the command gnome-system-monitor, apply. As soon as you click disabled, select any keyboard shortcut, such as Alt + E. Pressing Alt + E will quickly launch System Monitor.
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true or false. priority queue can be implemented using an array, a linked list, a heap data structure, or a binary search tree.
True, priority queue can be implemented using an array, a linked list, a heap data structure, or a binary search tree.
What is the best way to set up a priority line?Binary trees, heaps, linked lists, and arrays are examples of typical data structures that may be used to build priority queues. The list is set up such that the item with the highest priority is always at the top. According to priority, the items are listed in descending order.
Is a priority queue a tree?A heap data structure, a linked list, an array, or a binary search tree can all be used to build a priority queue.
It is a full tree. Because of this characteristic, Binary Heaps are appropriate for array storage. A binary heap can be either a minimum or maximum heap. A Min Binary Heap requires that the root key be the least important among all other keys.
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your laser printer keeps printing vertical black lines on its output pages. what is the most likely cause of the problem?
A used-up toner cartridge or a worn-out drum unit are the typical culprits for streaking. Drum units are consumables that only require replacement after 3 or 4 toners have been used. A separate toner and drum unit is not utilized by all printers.
What is a laser printer's drawback?
Unlike inkjet printers, which can print on a variety of papers, laser printers cannot. You can't put anything that is heat-sensitive through them. Simple graphics may be printed on home laser printers, but clean pictures are difficult. Choose an inkjet printer if you wish to print images.
Why would you use a laser printer?
Popular computer printers like laser printers use non-impact photocopier technology, which avoids damaging the paper with keys. A laser beam uses electrical charges to "draw" a document on a drum covered in selenium when a document is supplied to the printer.
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Kristy just received a laptop from her employer so she can work from home. She wonders if she can also use the laptop for personal activity, such as streaming movies. What documentation should Kristy check to find the answer to her question?
A. Acceptable use policy (AUP)
B. Knowledge base
C. Code of conduct
D. Warranty
Answer:
A
Explanation:
Acceptable use policy
maybe
what is the worst-case complexity to remove a node from the non-visited nodes data structure and insert it into the visited one?
It is to be noted that node removal can cause a lot of instability. For example, removing a node from a non-visited set of data can trigger a collapse of the data structure making the data corrupt.
What is a node?Database nodes are storage nodes that connect to databases and conduct different operations on them, such as update, insert, delete, and select. Each database type needs a unique set of setup parameters.
It is critical to understand that nodes serve as a safeguard against faults that may occur on the primary database node, and you will have a standby node ready to take over the primary role from the malfunctioning node at any moment.
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From the prespective of networking infrastrcutre, sound waves, such as the human voice, vary continuously over time and are considered what type of data?
From the perspective of networking infrastrcutre, sound waves, such as the human voice analog data, as it is a continuous electrical signal.
What is Analog data?Analog data is a type of data that is represented by continuous physical measurements. Analog data is typically represented by a physical quantity such as voltage, current, temperature, pressure, or sound. This type of data is typically converted into a digital form for storage, processing, and analysis. Analog data is often used in industries such as healthcare, manufacturing, and oil and gas. Analog data is used to represent data or information in a physical form, such as a waveform or electrical signal. These signals are created through analog-to-digital converters and are typically used for measurement and control systems. Analog data is typically used for analog-to-digital conversion, audio and video recording, and medical imaging. It is also used to measure temperature, pressure, humidity, and other physical properties.To learn more about analog data refer to:
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assume a stack-oriented processor that includes the stack operations push and pop. arithmetic operations automatically involve the top one or two stack elements. begin with an empty stack and consider the following program push 4 push 7 push 8 add push 10 sub mul push 40 push 4 div add a) show the resulting stack after each operation is performed. b) write an expression using normal infix notation that is equal to the calculation just performed using this stack machine.
Answer:
Sequence of popped values: h,s,f.
State of stack (from top to bottom): m, d
Explanation:
a data analyst is creating a dashboard using tableau. in order to layer objects over other items, which layout should they choose? 1 point layered tiled itemized floating
Since the data analyst is creating a dashboard using tableau. in order to layer objects over other items, the layout that they choose is option D: floating layout.
What does the idea of floating mean?When the weight force on an object is countered by the water's upward push, the thing floats. Water exerts an upward force proportional to the volume of the submerged object; water depth or volume have no bearing on this upward force.
Therefore, one can say that the float attribute was created to enable web designers to make straightforward layouts with an image floating inside a text column and text wrapping to the left or right of it.
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what is a function? a function is a subprogram designed to perform a particular task. a function is used to signal an event in your code.
The Correct answer is a) A function is a subprogram designed to perform a particular task
What is function ?A big programme can be broken down into the fundamental components known as function in C. The group of code blocks denoted by are present in the function. The C programme can be reused and made modular by calling a function numerous times. In other terms, we may say that a programme is made up of a group of functions. In some programming languages, the function is also known as a process or a subroutine.Function announcement In order to inform the compiler of the function name, function parameters, and return type, a function must be declared globally in a c programme.Using a function Throughout the programme, functions can be invoked from anywhere. Function declaration and function calling cannot have different parameter lists. We have to pass exactly as many functions as it does.To learn more about function refer to:
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which form of access control enforces security based on user identities and allows individual users to define access controls over owned resources?
A particular kind of access control system called DAC grants access rights in accordance with rules that users specify. DAC operates around the tenet that subjects control who has access to their objects. Utilizing capability tables and access control lists (ACLs) are advantages of the DAC approach.
Which access control paradigm allows normal user identities complete control over the things they generated or were allowed access to, like data?
Subjects are granted complete authority over the objects they have generated or been given access to through discretionary access control (DAC), including the ability to share the objects with other subjects. The data is under the control of the subjects.
What in access control is AAA?
Authentication, authorization, and accounting is referred to as AAA. A framework called AAA allows for the intelligent management of access to computer resources, the enforcement of rules, the auditing of consumption, and the provision of data required for service billing.
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discuss whether or not the following devices/processes are open-loop or closed-loop. if they are closed-loop, please explain the sensing mechanism. (a). traffic light; (b). washing machine; (c). toaster; (d). aircraft autopilot; (e). temperature regulation in human body.
A sensor is used at traffic lights to identify the presence of automobiles. Either a closed loop or an open loop can exist.
How do open and closed loops differ?
An open-loop control system, commonly referred to as a non-feedback system, solely bases its actions on the input; the control action is unaffected by the output. A closed-loop control system, commonly referred to by the term review system, examines the power capacity and modifies it to produce the desired condition.
What distinguishes an open loop from a closed loop?
The open network and a closed loop system are fundamentally different from one another in that the former can self-correct while the latter cannot. As a result, components are quite often known as non-feedback controls, whereas closed-loop systems are frequently referred to as feedback-controlled systems.
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what is the main disadvantage of a poll? a. power b. can not set priorities c. no way to mask it d. no hardware support e. too complicated g
A poll's primary drawback is its power. This method's main drawback is how slowly it works.
What is poll ?
The drawback of polling is that if there are too many devices to check, it may take longer to service an I/O device than it does to poll all of the devices. By asking a series of questions and extending generalisations into ratios or confidence intervals, opinion polls are often created to represent the opinions of a population. Pollster is a term used to describe someone who conducts polls. Maximum effectiveness and bandwidth use are the results. Polling is the process through which one programme continuously checks other programmes or devices.
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