Yes, it’s true that Smartphones and other mobile devices often can function as Portable media players. All such portable devices are pretty handy to use.
Every smartphone today is a portable media player, although there were several different handheld players that could store and play music before the 2007–2012 smartphone boom.
Any portable electronic device that can handle digital media is referred to as a portable media player (often abbreviated to PMP). Digital music, audiobooks, and video are just a few of the media file types that can be played, depending on the device.
Some of the more complex devices function as personal digital assistants and offer cutting-edge features like Wi-Fi (PDAs). Modern cell phones are frequently referred to as portable digital media players due to their portability and comprehensive playback capabilities.
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consider the following key establishment protocol. alice selects a random number x and computes xg, where g is a number that is known to the public. bob selects a random number y and computes yg. alice and bob send xg and yg to each other. the shared key is computed as (xy)g. describe an attack against this key establishment protocol.
Assume person called Darth who can intercept the communication between Alice and Bob. He also has the ability to perform the communication. Attack proceeds as given below:
What is an attack in program?An attack might have several stages, especially if a skilled opponent is conducting it. You can defend yourself more effectively if you know the different types of attacks and the stages they go through.
An attack against this key establishment protocol as follows:
Alice creates a secret key number 2, Bob creates a secret key number y, and Darth creates a secret key number z.Alice sends Bob the number 2, but Darth intercepts it and sends Bob the number g. Bob thinks it's the key that Alice sent.Bob sends Alice yg, but Darth captures it and sends her zg instead. Alice thinks it's the key Bob sent.The shared secret key is calculated by Alice as KAD = (x2) and by Bob as KDB = (y2). Also possessing these two keys is Darth.Every time Alice and Bob try to use these keys to communicate, Darth intercepts the message, decrypts and reads it, then encrypts it with another person's key and sends it on. Confidentiality is compromised in this way.Learn more about protocol
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your organization has decided to use dhcp for ipv6. you want all windows 10 systems using ipv6 to get all of their tcp/ip information through dhcp. how would you set up the network?
your organization has decided to use dhcp for ipv6. you want all windows 10 systems using ipv6 to get all of their tcp/ip information through dhcp. By setting up a Stateful network would you set up the network .
Why is DHCP utilized and what does it do?
Network devices are set up to communicate on an IP network using the Dynamic Host Configuration Protocol (DHCP).
A DHCP client utilizes the DHCP protocol to request configuration data from a DHCP server, including an IP address, a default route, and one or more DNS server addresses.
What are DHCP and DNS?
It is possible to translate domain names (like its.umich.edu) into IP addresses using the Domain Name System (DNS) on the Internet.
In order to automatically assign IP addresses and other parameters to devices when they connect to a network, there is a mechanism called Dynamic Host Configuration Protocol (DHCP).
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what is the purpose of audit trails? answer to correct system problems. to restore systems to normal operations. to detect security-violating events. to prevent security breaches.
The purpose of audit trails is to detect security-violating events or actions.
What is audit trails?An audit trail is a step-by-step record that can be used to trace accounting, transactional, or other financial data to its source. Audit trails are used to review and track various types of transactions, such as financial transactions and transactions on brokerage accounts. An audit trail can be as simple as a receipt for the purchase of an item. The receipt will include the transaction date, price, place of purchase, and who was involved in the transaction. Another example is when a company purchases office equipment.
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which version of the http protocol is used in these transactions? b. what is the domain name of the web server? c. what browser and version does the client use in this capture?
When someone enters a URL into their web browser's address bar to reach your website, your domain name is used.
What is a server's domain name?Your domain name is used when someone inserts a URL into their web browser's address bar to access your website.Or to put it another way, domain names give people a useful way to reach websites. Without it, they would have to use an IP address, a numeric identifier given to each website and server on the internet.A Domain Name System, or DNS, is what it is.A DNS is, in its most basic form, a list of domain names that correspond to IP addresses.They fill the communication gap between computers and people, making both servers and users happy.To learn more about server's domain name refer
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which of the following statements regarding solid state disks (ssds) is false? a) they generally consume more power than traditional hard disks. b) they have the same characteristics as magnetic hard disks, but can be more reliable. c) they are generally more expensive per megabyte than traditional hard disks. d) they have no seek time or latency.
The following statement regarding solid state disks (SSDs) is false.
A) They generally consume more power than traditional hard disks.
What is a SSD?Computer storage that is more recent is called a solid state drive (SSD). To read and write digital data, SSDs use flash memory. SSDs provide almost immediate boot and load times because they don't need to manually search for data.
For many years, computers used hard disk drives (HDDs), which read each chunk of data using an arm that moves across a spinning platter. HDDs are among the computer hardware components that are most susceptible to malfunction or damage due to their moving parts.
Operating SSD technology is completely different. SSDs don't rely on any moving parts, making them a more durable component because they use a chip made with NAND flash memory.
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having a single server for providing internet content has the following disadvantages:
The following drawbacks come with using a single server to host Internet content: single point of failure. Bandwidth waste in high demand for the same material. scaling problems.
What is a single server?A solitary server is one that operates independently and is not a member of a team. A solitary server is really one that does not belong to or is not managed by a Windows domain in the context of Microsoft Windows networks.When service periods and arrival rates are unpredictable, queues or waiting lines develop in systems. Simple queueing models provide light on the subtle ways that variability contributes to congestion. The design and administration of several industrial and service systems depend on an understanding of this.The following drawbacks come with using a single server to host Internet content: single point of failure. Bandwidth waste in high demand for the same material. scaling problems.To learn more about single server refer,
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mohammed is experiencing issues with his work computer. he speaks to the it department and they identify various symptoms of a computer virus. what are symptoms of a computer virus? more than one answer may be correct.
Some of the symptoms of a computer virus include slow down of computer performance, unexpected pop-up windows,some files go missing
What are the symptoms of a computer virus?
Computer performance is sluggish (taking a long time to start up or open programs)Shutting down or restarting problemsThere are no files.Files go missingSystem crashes and/or error messages occur on a regular basis.Unexpected pop-upsNew programs (toolbars, etc.)Major symptoms of having computer virus are crashing of the system and the delay in the performance of the computer also the pop-up windows make the system slow
Delay in installing of files and the installed ones have the restarting or opening problem and uninstalling certain programs might be the final one
Hence to conclude we should be aware of virus in pc and uninstall those virus related softwares
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Re-designing and automating business processes can be seen as a double-edged sword because:
increases in efficiency may be accompanied by job losses.
reliance on technology results in the loss of hands-on knowledge.
increases in efficiency may be accompanied by poor data quality.
support for middle-management decision making may be offset by poor data quality.
The re-designing and automating business processes can be seen as a double-edged sword because increases in efficiency may be accompanied by job losses.
What is double-edged sword?Double-edged sword is a terms for the result that has both positive and negative effect.
Re-designing and automating business process it can make business process have better efficiency but since it will make business process automated it not required many people, so it will make job loss for many people.
Re-designing and automating business process don't make we lose the knowledge because the knowledge still needed for automating process. It also doesn't mean the data will have poor quality, even it can make data have great quality because human-error factor can be eliminated in process.
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what is the name of. acommon api mentioned in class used to connect java to relational databases g
From the Java programming language, there is global data access through the Java Database Connectivity (JDBC) API.
You can access practically any data source, including relational databases, spreadsheets, and flat files, using the JDBC API. The Java API known as JDBC (Java Database Connectivity) controls how to establish a connection to a database, send commands and queries, and handle result sets received from the database. One of the first Java language libraries was JDBC, which was introduced in 1997 as a part of JDK 1.1. The Java SE version includes Java Database Connectivity (JDBC), an application program interface (API) that standardizes and makes it easier to link Java programs to external, relational database management systems (RDBMS).
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what is the ordering obtained by using the depth first search algorithm to solve the topological problem in the dag below?
Topological sorting for a Directed Acyclic Graph (DAG) is a linear ordering of vertices where u comes before v for every directed edge. If a graph is not a DAG, topological sorting is not possible for that graph.
How is DAG defined in coding?
A directed acyclic graph (DAG) is a graph without cycles linking the other edges that is used in computer science and mathematics. As a result, starting at any edge, it is not possible to traverse the complete graph. The directed graph's edges are one-way only.
What in networking is DAG?
A deep learning neural network called a DAG network has layers that are set up in the form of a directed acyclic graph. A DAG network's design might be more intricate, with layers receiving inputs from other layers and producing data to other layers.
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which of the following are examples of an insider attack? select two. a. a competing company steals a list of products from the research and design department to gain a competitive advantage. b. ruben accesses a company's private network by stealing the passwords of an employee. c. realizing he will be fired soon, jake copies his company's patent plans to a flash drive and takes them home so that he can submit the plans himself, d. after being passed over for a promotion, isabel logs on to her organization's server and intentionally deletes files
A competing company stealing products from a department to gain a competitive advantage and Jake copying his company's patent plans to a flash drive so that he can submit the plans himself are examples of an insider attack.
What is an insider attack?Any risk to a company's cyber security that comes from within is referred to as an insider attack.In most cases, it happens when a current or former employee, contractor, vendor, or business partner who has valid user credentials abuses their access to the damage of the organization's networks, systems, and data. An insider threat may be carried out knowingly or unknowingly. Whatever the motivation, compromised confidentiality, availability, and/or integrity of enterprise systems and data is the ultimate outcome.The majority of data breaches are caused by insider attacksThe organization is vulnerable to attacks from within when traditional cybersecurity strategies, policies, processes, and systems are focused primarily on external threats.So, options a and c are correct.To learn more about insider attack, refer:
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the it director at your organization has asked you to come up with a way to provide a secure connection to the network for employees that work from home. what should you recommend?\
There are several options for providing a secure connection for remote employees to connect to the network like Virtual Private Network (VPN), Remote Desktop Protocol (RDP), Cloud-based solutions.
Explanation in Detail:
Virtual Private Network (VPN): A VPN creates a secure, encrypted connection between the employee's device and the organization's network. This allows the employee to access network resources as if they were on-site.Remote Desktop Protocol (RDP): RDP allows employees to remotely access a desktop on the organization's network. This can be a good option for employees who need to use specific applications that are only available on-site.Cloud-based solutions: Cloud-based solutions such as Microsoft Azure or Amazon Web Services (AWS) can provide secure remote access to network resources. These solutions allow employees to access network resources through a web browser or client application.It's important to consider the security implications of each option and choose the one that best fits the needs of the organization. It may also be a good idea to implement multiple solutions to provide flexibility and redundancy for remote access.
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Which of the following is not a feature of the most popular web browsers? Session restore Pinned tabs Social browsing Thumbnail preview
The correct answer for this question is tacked browsing.
What is browsing?Browsing is the act of skimming over a collection of facts without having a clear goal in mind. It typically refers to using the internet and the world wide web.
The phrase may suggest that the individual is simply squandering time online without any real purpose.
The ability to locate information without specifically looking for it is one benefit of hypertext systems like the world wide web, much as how one can discover a new book to read by perusing the bookcases in a library.
Browsing is frequently contrasted with more deliberate search techniques, such as making use of a search engine's advanced capabilities.
Other hypertext systems, including assistance systems or the previous Gopher protocol, can also be referred to as "browsing."
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How many gigabytes would it take to download only 10 photos
Answer:
It depends on the size of the picture and multiple different factors
Explanation:
what is the purpose of a method? group of answer choices store the data for all objects created by the same class enables changes in the implementation without affecting users of a class provide comments about the program implementation to access the instance variables of the object on which it acts
A method is an area of code that only runs when it is called. A method can accept parameters that are data.
Explain about the method in code?
A method in object-oriented programming is a computer program that is defined as a component of a class and is present in every object that belongs to that class. It is possible for a class to contain many methods.
A section of code known as a method only executes when it is called. Parameters are pieces of information you can pass into a method. Functions are another name for methods, which are used to carry out certain operations.
In classes, methods are similar to functions, subroutines, and algorithms. While loops, for loops, and other programming constructs can all be used as methods. A method can change an object's attribute values.
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When populating a motherboard with DIMM modules, what configuration option will not work? a. using two different manufacturer's memory leaving a slot unpopulated mixing unbuffered with registered mixing memory speeds
b.) Mixing unbuffered with registered when populating a motherboard with DIMM modules.
What is a motherboard in a computer?The motherboard serves as the backbone of the computer, connecting all of its parts and enabling communication between them. None of the components of the computer, including the hard disk, GPU, and CPU, could interact without it. For a computer to function properly, the motherboard must be fully functional. The main printed circuit board (PCB) in a computer is called the motherboard. All components and external peripherals connect to a computer's motherboard, which serves as its main communications hub. Virtually all computers, notably desktop and laptop PCs, contain motherboards. The majority of the components and computer peripherals connect to a motherboard inside the computer chassis.
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some operating systems perform buffered i/o. in this scheme, an output request is accepted from a user and the user is informed of the normal i/o completion. however, the actual physical write operation is performed later, at a time convenient to the operating system. discuss the effect of buffered i/o on integrity in a dbms
We had to provide input to the CPU in the operating system, and the CPU then carried out the instructions and produced the results. However, there was a drawback to this strategy.
In a typical scenario, we have to manage numerous processes, and we are aware that the time required for an I/O transaction is significantly longer than the time required by the CPU to execute an instruction. In the past, thus,
What is the operating systems work ?
The following process begins its execution after displaying the output. As a result, the CPU sits idle the majority of the time, which is the worst situation for operating systems. Spooling is a notion that is used in this situation.
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a(n) distinguished name uniquely identifies a certificate entity to a user’s public key. _____
Due to the quantity of horizontal and vertical pixels recorded, a differentiated name can be used to uniquely identify a certificate entity.
What distinguishes a certificate object from the user's public key in a unique way?A certificate object is uniquely identified by (an) distinguished name in relation to a user's public key. In order to get access to a secure source, a response attack tries to retransmit a recording of the authenticated data that has been cracked. Two keys are utilized in a public key system—one for encryption and the other for decryption. Although there is a mathematical connection between the two keys, grasping one does not disclose the other. The "public key" and the "private key" of the user are the two keys. Both a public key and a private key exist on the network.To learn more about Public key system refer to:
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your boss asked you to install a new virtual machine running mint. when you download the file, what is the first thing you should do
In the VirtualBox Manager window's upper left-hand corner, click "New."
Choose a Name, Type, and Version when prompted.
What do you mean by virtual machine ?An electronic replica of a physical computer is called a virtual machine (VM). Virtual machine software requires upkeep such as updates and system monitoring because it may run programs and operating systems, store data, connect to networks, and perform other computer operations. A piece of software known as a hypervisor provides access to computational resources for virtual machines that run on actual hardware. Multiple virtual machines can run on a single physical computer thanks to the hypervisor, which abstracts the resources of the machine into a pool that can be distributed and provisioned as necessary.
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does a database entry form allow the user to enter or modify data in the records? select yes or no.
Yes a database entry does allow the user to enter or modify data in the records.
What is database entry?Data entry is the process of the entering informational or the updating records in the database or computers system.
You use a form to manually of the update data. Data in entry forms can provide an easier, faster, and more accurate to the way to enter data. Forums by it can contained ofbany number of controls to the such as lists, text of boxes, and buttons. In turn, each of the controls on the form wither reading or the data from or writes data to an underlying table in the field.
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true or false: compared to the hierarchical clustering methods, the k-means clustering method is more computationally efficient, especially when dealing with large data sets.
The stated statement, "K-means clustering method surpasses hierarchical clustering techniques in terms of processing efficiency when working with huge data sets," is TRUE.
What is the k-means clustering method?The goal of k-means clustering, a vector quantization technique that originated in signal processing, is to divide n observations into k clusters, where each observation belongs to the cluster that has the closest mean (also known as the cluster centroid or cluster center), which serves as a prototype for the cluster.
The result is the division of the data space into Voronoi cells.
Euclidean distances can only be minimized via the geometric median; the more difficult Weber problem can only be solved using normal Euclidean distances. K-means clustering minimizes within-cluster variances (squared Euclidean distances).
For instance, it is possible to obtain better Euclidean solutions using k-medians and k-medoids.
When dealing with large data sets, the k-means clustering method outperforms the hierarchical clustering techniques in terms of processing efficiency.
Therefore, the stated statement, "K-means clustering algorithm surpasses hierarchical clustering techniques in terms of processing efficiency when working with huge data sets," is TRUE.
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the _____ is responsible for the fragmentation, compression, encryption, and attachment of an ssl header to the cleartext prior to transmission.
Prior to transmission, the cleartext is fragmented, compressed, encrypted, and given an SSL header by means of the SSL Record protocol.
What does SSL Record protocol mean?Data fragments received from the higher layer are encrypted using the SSL record protocol, which also computes and adds MAC to the data. Negotiates the cipher suite to be used for secure communication, verifies the identity of the server and client, and transfers keys in a secure manner between the server and client.Prior to transmission, the cleartext is fragmented, compressed, encrypted, and given an SSL header by means of the SSL Record protocol.Data fragments received from the higher layer are encrypted using the SSL record protocol, which also computes and adds MAC to the data.To learn more about SSL record protocol refer to:
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Clem has entered the following formula into his spreadsheet: =vlookup(a5,a7:g20,3,true). What advanced feature is he using?.
He is utilizing the advanced capability of the lookup table.
Why do people use spreadsheets?Using spreadsheet software, data that has been organized into rows and columns may be stored, viewed, and modified. The spreadsheet is one of the most utilized pieces of software for personal computers. Normally, spreadsheets are used to keep track of numerical data and short text strings.
What characteristics are sophisticated?It is true that more complex functions help you comprehend how things work and how quickly things change. For instance, you will study exponential and logarithmic functions in the Advanced Functions course for grade 12.
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Answer: A: Lookup Table
Explanation:
an i/o system call returns a one-bit information about the status of the call.
a. true
b. false
An i/o system call returns one-bit information about the call's status, Therefore the given statement is true.
What is an i/o system?I/O (Input/Output) is a type of data processing system that sends and receives data from a computer hardware component, device, or network. A network allows data to be sent between devices. Computers would be unable to communicate with other systems or devices if I/O was not present.The primary function of an i/o system is processor communication, which includes a variety of tasks such as data transfer between the processor and an I/O module, accepting and decoding commands sent by the processor, reporting current status, and the ability for the I/O module to recognize its own unique address.A system call allows a user program to communicate with the operating system. The program requests a number of services, and the operating system responds by invoking a series of system calls to fulfill the request.To learn more about i/o system call refer to :
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Add a total row to this table and display the average for the Cost column instead of the sum of all the values.
You selected the Total Row check box on the Design Ribbon Tab of the Table Style Options Ribbon Group. You went to cell C21 and clicked the Total Row arrow. You chose Average from the Total Row menu.
What is total row?Enabling the Total Row option and then selecting one of the functions from a drop-down list for each table column allows you to quickly total data in an Excel table. The SUBTOTAL function is used by default in the Total Row selections, which allows you to include or ignore hidden table rows, but you can also use other functions.
Drag a total row formula across the fill handle to copy it to an adjacent cell in the total row. This will automatically update the column references and display the correct value. If you copy and paste a formula in the total row, the column references will not be updated as you copy across, resulting in inaccurate values.
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The ________ function does the same thing as using the mathematical ^ operator.
Select one:
a. abs
b. pow
c. round
d. cos
e. sqrt
The sqrt function does the same thing as using the mathematical ^ operator.
The power of a number is determined utilizing the pow() function. The power raised to the base number is returned by the pow() function, which takes two boundaries (the base worth and the power esteem). This is indicated by "^". This function in computer programming assists with deciding the worth of a whole number raised to a specific power. This is composed as,
pow = power = ^ (Power operator)
In mathematics, it likewise assists with computing the number raised to power. For example, 3^2 = 3²=9. The clear can be loaded up with the pow() function.
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biometric scanners measure human characteristics such as fingerprints. (1 point)truefalse
A biometric scanner measures human characteristics like fingerprints and eye retinas. This statement is True.
What is a biometric scanner?Biometric scanners are pieces of hardware used to capture biometric data for identity verification. These scans compare the saved database to approve or deny system access. To put it another way, biometric security means that your body becomes the key to unlocking your access.Traditional passwords have long been a point of weakness for security systems, and modern cybersecurity is focused on reducing the risks for this powerful security solution. Biometrics seeks to address this issue by connecting proof-of-identity to our bodies and behavioural patterns.Biometrics are biological measurements or physical features that can be used to identify people. Fingerprint mapping, facial recognition, and retina scans are all examples of biometric technology, but these are only the most well-known.To learn more about biometric scanner refer :
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you have just installed a new disk and formatted it. you don't want to assign it a drive letter and you want to access it from your existing c: drive. what feature should you use?
Shadow copies: They simultaneously replicate all the data stored in separate volumes.
Disk mirroring: What is it?Shadow copies are duplicates of all the data that are simultaneously replicated across various volumes.
Disk mirroring is a word used in data storage to describe the doubling of logical disk volumes across multiple physical hard drives to ensure continuous availability.
Finally, take note that RAID 1 is where this is primarily employed. The response given above is accurate because mirrored volumes are known to be complete logical representations of independent volume copies.
A raid 1 and mirrored system copies all of the data on several drives by simultaneously writing data to two or more disks.
Disk mirroring, often known as doubling logical disk volumes over many physical hard drives to provide continuous availability, is a term used in data storage.
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Division by zero when the program is executing is an example of a _____________ error.
Division by zero when the program is executing is an example of a runtime error.
Since dividing by zero is not a specified operation, the program cannot be performed at runtime since it lacks the necessary valid code, which results in a run-time error. Runtime errors are errors that happen while a program is being executed.
There are various forms of runtime errors, such as logic errors that result in inaccurate output. Runtime errors also include memory leaks.
These mistakes—also referred to as "bugs"—can be corrected with quick updates or minor patches created just for the purpose.
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the advantages of command line operating system
