why should you compare hashes of the files you download from the internet to a library of known hash values?

Answers

Answer 1

A hash is a unique code that is generated from a file's contents. It prevents the spread of malware by checking a file's integrity.

What is hash values ?A hash value, also known as a hash code, is a numerical value that is generated from the contents of a file or other data. Hash values are used to verify the integrity of data by allowing a recipient to compute the hash value of the received data and compare it to the expected hash value. When you download a file, you can use a tool to calculate the hash of the downloaded file and compare it to the expected hash value provided by the source of the download. If the calculated hash matches the expected hash, it means that the file has been downloaded correctly and is unchanged from its original form. If the calculated hash does not match the expected hash, it means that the file has been modified or corrupted during the download process and may not be trustworthy.

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Related Questions

what is the advantage of c language over assembly language? select one: a. the c language does not need a compiler to be assembled in to an executable program. b. hand assembly coding is much faster in c c. assembly language creates much faster executable code d. all the answers e. c lanuage programs are transportable to other processor architectures

Answers

Compared to Assembly, C is simpler to program in. It is unnecessary to reiterate the obvious reasons. C is simpler to use and makes it possible to build programs more quickly. These applications are typically simpler to maintain and easier to debug.

Is Python a form of assembly?

In comparison to high-level languages like C, C++, Java, and Python, assembly language is both more low-level and less high-level. Thus, it serves as a bridge language. Instead of using 0s and 1s, assembly languages make use of integers, symbols, and abbreviations.

Is the assembly language challenging?

Assembly language programming is challenging; it is slow, monotonous, and requires intense focus. There are only registers and memory locations available to you. There is no reason not to use Goto as the JMP instruction, which is Goto's equivalent in assembly language, is often used.

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we consider vsfs. we assume that the starting affress of the inode region is 54kb and inode object size is 512b. for inode 74, what is its physical address in terms of byte position.

Answers

The physical address, expressed in bytes, is 5,44,512 according to the stated assertion.

Address and data: what are they?

When referring to a decentralised or other intranet or database, a data address is a series of alphanumeric characters that can only be accessed with the knowledge of or custody of a private key in order to enable for transaction data on the network or database.

An addressing in a memory is what?

A memory is a name to something like a particular memory region used by hardware and software at varying scales in computing. Memory addresses are remedied digit sequences that are often represented and used as unsigned integers.

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The complete question is-

We consider vsfs. We assume that the starting address of the inode region is 512KB and inode object size is 256B. For inode 79, what is its physical address in terms of byte position? Fill in the blank with an integer value.

Which of the following web design software would allow the web designer to create videos?
A. FTP
B. Text editor
C. Storyboard
D. Flash

Answers

Answer: FTP

Option A.

Explanation:

The answer is D. Flash.

treasury regulation § 1.6695-2 details the due diligence requirements. how many requirements are there?

Answers

If you are paid to prepare a tax return or make a refund claim claiming any of these tax benefits, you must comply with four specific due diligence obligations as outlined in Treasury Regulation 1.6695-2.

What is Treasury regulation?A recognized disciplinary body of the US federal government is the US Sentencing Commission.The panel suggested 7 actions that corporations should take to demonstrate due diligence: The business must create and publish a code of ethics describing the essential requirements and identifying the organization's main danger zones. The system is overseen by high-ranking organizations that are thought to adhere to business regulatory and ethical standards (such as an ethics director, vice president of operations, general advocates and so forth).No one who has a history of misconduct ought to have a position of leadership.There will also be a training course (Ethics Training) for distributing guidelines and procedures.

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you need to implement a symbol table. the goal is to optimize the performance (maximize the speed) of an average look-up. which data structure should you use for your symbol table?

Answers

The most popular way to build symbol tables is by maintaining two tables, a hash table and a symbol table, which is known as a hashing scheme.

How should a symbol table be implemented? What data format is best?The most popular way to build symbol tables is by maintaining two tables, a hash table and a symbol table, which is known as a hashing scheme. An array containing a hash table has an index range of 0 to table size – 1. Pointers pointing to the names of the symbol table are contained in these entries.You can use one of the following methods to implement a symbol table a linear (sorted or unsorted) list, a binary search tree, and a hash table.You can use one of the following methods to implement a symbol table is a linear list, either sorted or unsorted, a hash table, Binarized search tree.        

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where must program instructions and data reside in order for the cpu to directly read and execute them? group of answer choices hard disk ram, or memory bus flash drive

Answers

The RAM stores both data and instructions simultaneously. Serially, or one at a time, instructions are read one at a time from memory. Before turning around to fetch the following instruction, the processor decodes and performs an instruction.

What does a CPU do?

A central processing unit, sometimes known as a CPU, is a piece of electronic equipment that executes commands from software, enabling a computer or other device to carry out its functions.

What is a CPU in plain English?

The central processing unit, or CPU, is the mind of the machine. The CPU manages all of the computer's operations, just like a human brain would. The CPU's role is to monitor input signals from hardware—such as a mouse—and software. Then it searches for and executes the instructions that correspond to that data.

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betsy is using a port scanner to identify ports that are open on a server in her environment. she is scanning a web server that uses http. which port should betsy expect to be open to support this service

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Hypertext Transfer Technology, a widely used internet communication protocol, is assigned port number 80. (HTTP). Unencrypted web pages are transmitted and received on this network port by default.

Port should betsy expect to be open to support this service.

Port

A port is a number used in computer networking to designate a connection endpoint and direct data to a particular service. A port is a logical construct that, at the operating system's software level, identifies a particular activity or class of network service. For each transport protocol and address combination, a port is identified by a 16-bit unsigned number called the port number. Transmission Control Protocol (TCP) and User Datagram Protocol are the two most popular transport protocols that make use of port numbers (UDP).

A port number is invariably connected to a host's IP address and the kind of transport protocol being used for communication. It completes the network address of a message's origination or destination. To make it simple to transmit an incoming packet to a running application, specific port numbers are designated to signify particular services.

The most well-known port numbers—those lower than 1024—identify the historically most popular services and are utilised for this purpose. Ephemeral ports are higher-numbered ports that are open to programmers' wide use.

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8. the internet does not currently offer any resource reservation or quality of service management facilities. how do the existing internet-based audio and video streaming applications achieve acceptable quality? what limitations do the solutions they adopt place on multimedia applications?

Answers

The Multimedia Streaming service class is ideal for elastic, variable-rate streaming media applications with waiting for output and the ability to respond to packet loss.

What is   Multimedia Streaming service?The Multimedia Streaming service class is ideal for variable-rate elastic streaming media applications, such Webcasting and streaming music and video, when a user is waiting for the output and the programme has the ability to respond to packet loss by reducing its transmission rate.Media content can be delivered and played back in segments via media streaming. Instead of loading a single file, which could be sluggish if not network-optimized, the player reads a manifest file outlining how the target material is divided into separate data chunks.Media content can be delivered and played back in segments via media streaming. as opposed to loading a single, potentially slow-loading file

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what spreadsheet function enables you to put each of the colors in column g into a new, separate cell? 1 point divide mid delimit split

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The spreadsheet function that enables you to put each of the colors in column g into a new, separate cell is option D: SPLIT.

What does a function in the sample spreadsheet mean?

A function is a preset formula that conducts calculations. Common functions that can be used to rapidly determine the sum, average, count, maximum value, and minimum value for a range of cells are included in all spreadsheet systems.

Therefore, one can say that the use SPLIT to divide each color in Column G into its own distinct cell. The spreadsheet function SPLIT separates text into smaller chunks and places each one in a different cell, all around a predetermined character.

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logical errors are mistakes that cause the program to produce erroneous results. group of answer choices true false

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It is true Logical mistakes are mistakes that result in the programme producing inaccurate results. This is a group of computer language commands that work together to do a certain task. Application software describes programmed that help users use computers.

What exactly is software?

A software programmed is a collection of executable instructions, often used to provide instructions to a computer system on how to carry out a certain operation or solve a particular issue.

An example of a syntax error

A syntax error is a particular kind of error that often results from errors in a software program's source code, such as:

word spelling.

typographical mistakes

Inaccurate labelling

Spacing

What is a mistake of logic?

A logical mistake is a form of error that often results in inaccurate results from the software programmed and causes a runtime error.

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you need to implement disk quotas on your linux system. you need the quotas on the / directory. what is the full path and name of the file that must be edited to implement quotas for users and groups?

Answers

The full path and name of the file that must be edited to implement disk quotas for users and groups on the / directory is /etc/fstab.

What is implement disk quotas?

Disk quotas are a mechanism used to limit the amount of disk space a user or group can use on a filesystem. It is used to ensure that users do not exceed the amount of disk space they have been allocated. Disk quotas can be implemented at the user or group level, and can be used to prevent a single user from overusing system resources. The administrator sets limits on the amount of disk space that each user or group can use, and the user is prevented from exceeding this limit. The system will then alert the administrator when the quota limit is reached. Disk quotas are an important part of enforcing resource usage policies and maintaining system performance.

This file is used to control the mounting of file systems. In order to enable disk quotas, the user must add the “usrquota” and/or “grpquota” options to the fourth field in the relevant mount line in this file. The user must then execute the command “mount -o remount /” in order to apply the changes. After disk quotas have been enabled, the user must then edit the file /aquota.user to set disk quotas for individual users, and the file /aquota.group to set disk quotas for groups.

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The file that has to be modified to implement disk quotas for users and groups on the / directory has the complete path and name of /etc/fstab.

Implement disk quotas: What are they?

A method called disk quotas is used to restrict how much disk space a person or group may use on a filesystem. It is employed to make sure that users do not go over the allotted quantity of disk space. To stop a single user from excessively consuming system resources, disk quotas can be imposed at the user or group level.

How does Implement disk quotas work?

The administrator places restrictions on how much disk space each user or group may use, and the user is forbidden from going over these limitations. When the quota limit is reached, the system will then notify the administrator. Disk quotas are crucial for upholding system performance standards and implementing resource consumption restrictions.

The mounting of file systems is managed by this file. The "usrquota" and/or "grpquota" options must be added to the fourth field in the pertinent mount line in this file for disk quotas to be enabled. The user must then use the command "mount -o remount /" to put the modifications into effect. After disk quotas have been enabled, the user must modify the files /aquota.user and /aquota.group to configure disk quotas for specific users and groups, respectively.

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you are an it director for a large school system. you need to set up inbound and outbound rules on the windows 10 machines. what will you use to accomplish this?

Answers

You will use to accomplish this Windows Defender Firewall with Advanced Security.

What aspect of Windows 10 makes configuration easier?Purview offers a sophisticated set of features while streamlining configuration setup. Regarding: Windows 10. MS Windows 11.GPO settings are updated more often by default on domain controllers—every 5 minutes. The GPO's Set Group Policy refresh interval for machines option is found in the Computer Configuration -> Administrative Templates -> System -> Group Policy section, where you may modify the GPO update frequency.A microprocessor called a Trusted Platform Module (TPM) is made to perform fundamental security-related tasks, mainly those requiring encryption keys. A hardware bus is used by the TPM to connect with the rest of the system after it has been placed on the motherboard of a computer.

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you have an azure storage account named storage1 that contains a file share named share1. you also have an on-premises active directory domain that contains a user named user1. you need to ensure that user1 can access share1 by using the smb protocol. what should you do?

Answers

A file share with the name share1 is located in your storage1 azure storage account. Set up the storage1's virtual networks and firewalls.

How do firewalls work?

An organization's previously set security policies are used to monitoring and filter incoming network traffic through a firewall, a network security device. Essentially, a firewall is the wall that separates a private intranet from the public Internet.

The workings of a firewall:

A firewall makes the determination of which network communication is safe to pass through this and other traffic is not. Basically, it separates the trustworthy from the untrustworthy or the good out from evil. However, it is helpful to comprehend the construction of web-based networks before we delve into detail.

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____ are used to connect computers, hubs, switches, and routers to a network in a local area network (LAN).

Answers

Answer:

Network interface card (NIC) or wireless network interface controller (WNIC)

Explanation:

To connect a computer or device to a local area network (LAN), several hardware components are required: a network interface card (NIC) or wireless network interface controller (WNIC) a transmission medium, either wired or wireless a network connection device, such as a router, hub, switch, wireless access point (WAP), gateway or bridge

true/false a better way to repeatedly perfrom an operattion is to write the statements for the task once andf then place the statements ina lopp that will repeat the statments as many times as necacsery

Answers

A statement or group of statements will run repeatedly as a result of a repetition structure. To repeatedly complete the same work, repetition structures are employed. A Boolean (true/false) condition is used in condition-controlled loops to regulate how often they repeat.

Which structure, in this quizlet, makes a statement or group of statements run repeatedly?

A repetition structure, more generally referred to as a loop, causes a statement or group of statements to run as many times as necessary. A condition-controlled loop is what? A statement or series of statements is repeated as long as a condition is true in a condition-controlled loop.

What Python loop repeatedly runs a collection of instructions so long as a predetermined condition is true?

A code block is repeated using the while loop. It repeatedly runs the code block till a specific condition is met rather to just doing it once.

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cyber crimes require motive, means and opportunity, just like physical crimes. a network security manager cannot affect the cybercriminal's motive, but can have an impact on means and opportunity. true false

Answers

A network security manager cannot affect the cybercriminal's motive, but can have an impact on means and opportunity is  false.

Who is network security manager?

Many members of the cybersecurity workforce are thinking about quitting because they are so anxious and burnt out. According to VMware research, 47% of cybersecurity incident responders report having gone through high stress or burnout in the last 12 months.

Therefore, a network security manager defends a computer network by resolving problems, keeping an eye out for potential threats, and giving users strong passwords. As a manager, you might need to set the course for other IT experts who are collaborating on the company's digital security.

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Complete the program.
inFile = open("fruit.txt","r")
___
print(strIn)

Answers

The Complete form of the program is:

inFile = open("fruit.txt","r")

strIn = inFile.read()

print(strIn)

What is a program?

This program opens a file called "fruit.txt" in read mode, reads the contents of the file into a string called strIn, and then prints the string.

Keep in mind that this program assumes that the file "fruit.txt" already exists in the current working directory and is readable. If the file does not exist or is not readable, the program will raise an exception. You can handle these exceptions by using a try-except block, as shown below:

try:

   inFile = open("fruit.txt","r")

   strIn = inFile.read()

   print(strIn)

except IOError:

   print("Error: could not read file.")

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what types of decision variables are necessary for this problem? continuous pure integer integer and binary pure binary continuous, integer and binary

Answers

When some variables has to be integers but not all of them, the program is known as a mixed integer program. When all of the variables must be integers, the program is referred to as a pure integer program.

Describe binary.

All binary used in computer systems is based on binary, which is a numbering system in which each digit can only have one of two potential values, either 0 or 1. These systems employ this code to comprehend user input and operating instructions and to offer the user with an appropriate output.

Who developed binary?

The self-described creator of the binary system, Gottfried Wilhelm Leibniz (1646–1716), is regarded as such by the majority of mathematicians and/or math historians.

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a user calls into service desk to ask for assistance locating a specific file. the user is not familiar with their macbook and is unable to locate the missing file from a list of over 700. andy, being the service desk technician, shows the user how to locate the folder. he clicks the search icon on the right side of the file, the menu bar and a search bar are then populate. the user was then able to search for the folder they were looking for. what is the process that andy used to assist in finding the lost folder?

Answers

Employ Spotlight: Double-click the file in the search results after starting Spotlight and typing in the file name. View Spotlight's Search page; Look at in the Finder: Select View > Group By > Date Last Opened by selecting the Finder icon in the Dock, selecting Recents in the Finder pane, and finally. Choose View > Use Groups if you can't find Group By in the View menu.

A help desk is what?

When an IT user needs assistance, they can call a help desk, which can be an individual, a group, an organizational function, or an outside service.

IT support: What is it?

In its broadest sense, IT support refers to any kind of technical support given to people or businesses for hardware or software. Typically, it concentrates on aiding a user in troubleshooting a particular issue.

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define a secure facility. what is the primary objective of designing such a facility? what are some secondary objectives of designing a secure facility?

Answers

A safe facility's location is key to achieving its primary goal of maximizing physical security through the utilization of local traffic patterns, natural topography, and development.

What is the most importance thing when adapting planning in a physical security measures?

An actual area called a secure facility has safeguards in place to lessen the possibility of physical threat attacks. A safe facility's location is key to achieving its primary goal of maximizing physical security through the utilization of local traffic patterns, natural topography, and development.

Protective measures including fences, gates, walls, guards, and alarms would be needed for a secondary goal.

Access control, monitoring, and security testing are universally acknowledged as the three most crucial elements of a physical security plan and collectively they work to increase the security of your place.

The outermost point of your security perimeter, which you should define early on in this procedure, may serve as the starting point for access control.

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what is it called when you squeeze the brake pedal until just before the wheels lock, then ease off the pedal, then squeeze again, repeating until you've reduced your speed enough.

Answers

The ABS system is reactive; when a wheel starts to lock up, it automatically lessens the braking pressure until the wheel regains grip.

How fast are Mbps?

Megabits per second, sometimes known as Mbps or Mb Mbits p/s, is the unit of measurement for broadband speeds. A megabit is one million bits, which are incredibly small pieces of data. Your internet activity should be faster the more Gbps (megabits per second you have available.

What Wi-Fi speed is faster?

Fast internet download speeds are defined as 200 Mbps downloading and 20 Mbps upload. The standard for high speed internet is now greater than ever, with average speeds of around 152/21 Mbps. Anything faster than 200 Mbps may support many internet users.

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miles is an it consultant. he is given the specifications of a networking project for the new campus of a multinational corporation. among the requirements, switches and wireless access points (waps) must interconnect all nodes, the network must use hardware firewalls, and it must support single sign-on (sso). which network infrastructure does he select that fulfills these requirements?

Answers

A consultant for IT, Miles. A multinational corporation's new campus's networking project's requirements are presented to him. You require a modem as your main piece of hardware. Your required modem will depend on the kind of Internet access you select.

What is Local Area Network?

In a Local Area Network, a hub connects various computers. A switch is a type of networking equipment that joins various LAN segments together. Additionally, packet filtering and forwarding between LAN segments are supported by switches. Based on the physical address included in the incoming message, Switch sends the message to the appropriate recipient. A Switch does not broadcast the message to the full network like a Hub does. It establishes the device to which the communication is addressed.

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What is an Array known as in Python?

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Arrays are an essential component of the majority of programming languages and a fundamental data structure. They are containers in Python that can store multiple items simultaneously. In particular, they are a logical collection of values belonging to the same data type for each one.

In particular, they are a logical collection of values belonging to the same data type for each one. The fact that Python arrays can only hold a sequence of multiple items of the same type is the most important thing to keep in mind about them.

The Python programming language supports lists, whereas arrays do not. Because they are not a built-in data structure, arrays cannot be used without being imported through the array module. When working with homogeneous data, the array module's arrays are useful because they act as a thin wrapper for C arrays.

They are also smaller and use less memory and space, making them more space- and size-efficient than lists. NumPy arrays should be used to carry out mathematical calculations by importing the NumPy package. Aside from that, lists work in a similar manner and are easier to use, so you should only use them when absolutely necessary.

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the special pets adoption agency has hired your programming team to write a program that will keep track of all of the pets they have ever placed into adoption. each pet is given a classification of type of animal, gender, age and color. what could be a benefit of storing these animals and their classifications as lists in the program you create instead of individual variables?

Answers

The benefit of storing these animals and their classifications as lists in the program you create instead of individual variables are as follows:

Storing the animals and their classification to lists will allow us to easily sort animals by their types.Storing the animals and their classification to lists will allow us to do a binary search of the animal by age.

What is the importance of programming?

The importance of programming is determined by the fact that it helps in speeding up the input and output processes in a machine.

It is important to automate, collect, manage, calculate, and analyze the processing of data and information accurately. Programming helps create software and applications that help computer and mobile users in daily life.

Therefore, the benefit of storing these animals and their classifications as lists in the program you create instead of individual variables is well described above.

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true or false? a protocol analyzer can see every data link layer frame and network layer protocol in use.

Answers

An instrument used to track data flow and examine signals as they pass across communication channels is a network protocol analyzer. The given statement is true.

What types of information can a protocol Analyser provide?

The use of protocol analyzers by IT administrators and security teams enables them to record network traffic and evaluate the recorded data to find errors or possible malicious behaviour.

By enabling you to examine the actual data that moves over a network, packet by packet, a network analyzer is a tool that provides you a very excellent understanding of what is occurring there. A typical network analyzer can display talks happening between hosts on a network since it is capable of understanding a wide range of protocols.

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if we have an algorithm whose sequential complexity is o(n) and we parallelize it with p processors, what is the maximum speedup we would expect (write this as a formula)? under what circumstance we might achieve the maximum speedup?

Answers

The maximum speedup we would expect is S = P x log (N), where P is the number of processors and N is the input size.

In order to achieve the maximum speedup, all processors must be used efficiently with no communication overhead or synchronization issues.

What is maximum speedup with examples?The maximum speedup that can be achieved is limited by the laws of physics. In general, the maximum speedup is equal to the number of processors working in parallel. For example, if a task is run on a single processor, the maximum speedup that can be achieved is 1x. If the same task is run on two processors in parallel, the maximum speedup is 2x. The maximum speedup can be further increased by increasing the number of processors, but only up to a certain point. Beyond this point, the speedup decreases due to communication overhead and synchronization delays. In addition, other factors such as memory bandwidth, efficiency of the algorithms, and the nature of the data can also affect the maximum speedup. Therefore, the maximum speedup can vary depending on the task, the hardware, and the algorithms used.

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match the definition and term. - gain unauthorized access to resources or data or make them available to unauthorized individuals. - check who has logged onto a network, accessed resources, or used group or user privileges. - an attempt to prevent or respond to an attack. - identifying and minimizing possible events that are a danger to the network and data. a. breach b. audit c. countermeasure d. risk management e. threat f. defense in depth

Answers

The match of the definition and term are:

Breach -gain unauthorized access to resources or data or make them available to unauthorized individuals. Audit - check who has logged onto a network, accessed resources, or used group or user privileges. Threat - an attempt to prevent or respond to an attack. Risk management - identifying and minimizing possible events that are a danger to the network and data.

What Does Mode of Attack Mean?

When someone gains access to a computer network, system, application software, data, or other resources without authorization, this is known as unauthorized access. Unauthorized access is defined as any access to an information system or network that contravenes the owner's or operator's declared security policy.

Therefore, an approach used by hackers to gain access to a system is called a mode of attack. Hackers take advantage of system flaws to corrupt data or stop computer operations by manipulating existing code or adding new malicious code. Email attachments are one type of attack.

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what would be the first line of the module for a function named mileage with parameters miles and rate?

Answers

The first line of the module for mileage is:

D) Function Mileage (Miles, Rate)

About Functions:

To put it simply, a function is just a "chunk" of code that you can reuse rather than having to write it out repeatedly. Using functions, programmers can divide an issue into smaller, more manageable chunks, each of which can carry out a specific function. The specifics of a function's operation are almost impossible to remember once it has been built. This method of abstracting the details enables the programmer to concentrate on the larger picture.

(Some function types may also be referred to as subroutines or procedures.)

Once a function has been defined, a programmer can use its name to invoke it whenever they need it. The function also likely needs some inputs or arguments to operate, which are passed to the function each time it is called.

As all programming languages come with built-in functions, you've probably used functions like this virtually every time you've developed a program. For instance, Python: print("hello world")

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The question is incomplete. Below is the complete question:

What would be the first line of the module for a function named Mileage with parameters Miles and Rate?

A) Mileage (Miles, Rate)

B) End Function

C) Sub Mileage (Miles, Rate)

D) Function Mileage (Miles, Rate)

what is the syntax for the cmd.exe command to view the attributes on a file named batch1.bat in windows 10

Answers

The attrib command, which shows, modifies, or deletes characteristics associated with files or directories, is referenced in this article.

What does the cmd attrib command do?

Your attr list name is the name of the file that the ATTRIB command allocates. Your active attribute lists can be listed using the LISTALC command and the STATUS operand. The data set name is NULLFILE, which is also the name of the data set for files allocated using the ALLOCATE command's DUMMY option.

What in a computer is attrib?

A user can alter certain properties, or "attributes," of a computer file or directory by using the ATTRIB command in Intel ISIS-II, DOS, IBM OS/2, Microsoft Windows, and ReactOS. The EFI shell also has the command available.

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shamika is a networking student who has just moved into a small house with two other roommates. she has purchased a new dsl modem and is planning on configuring the built-in firewall. she needs to change the default username and password for the device first. what is her concern?

Answers

The default username and password are likely available on the Internet and anyone could use those credentials to hack into the modem and access the home network.

What is the use and importance of username and password ?

A username and password are required for two (2) reasons:

To ensure the safety of your account. It will prevent unwanted people from accessing your Domain Name information. To gain access to the Member Management and Manage Domains functions, which will allow you to efficiently make changes to your Domain Name.

The following is how the user name and password work:

Step 1: A user goes to a website and fills out a form to generate a username and password.

Step 2 - The password is hashed and the resulting hash is saved in the database.

Step 3 - When a user logs in, they must re-enter their password on the website.

What is built-in firewall ?A firewall is a security device either computer hardware or software — that can help safeguard your network by filtering traffic and preventing unauthorized access to your computer's confidential data.A firewall not only blocks unwanted traffic, but it can also assist prevent harmful malware from infiltrating your computer.Different levels of protection can be provided by firewalls. The key is to determine how much protection you require.

Complete question is :

Shamika is a networking student who has just moved into a small house with two other roommates. She has purchased a new DSL modem and is planning on configuring the built-in firewall. She needs to change the default username and password for the device first. What is her concern?

A. She is being overly cautious, as home networks are a low priority for hackers.

B. She will be unable to configure the firewall until those temporary default credentials have been changed.

C. The DSL company has those credentials and could use them to monitor her network communications.

D. The default username and password are likely available on the Internet and anyone could use those credentials to hack into the modem and access the home network.

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