Getline() may end with a blank line because >> can leave a dangling newline in the input stream.
cin >> leaves the new line character (/n) in the iostream . If getline is used after cin >> the getline sees this new line character as leading whitespace, thinks it is finished and stops reading any further.
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a data analyst adds specific characters before and after their code chunk to mark where the data item begins and ends in the .rmd file. what are these characters called?
If a data analyst adds specific characters before and after their code chunk to mark where the data item begins and ends in the .rmd file, these characters are called delimiters.
Who is a data analyst?A data analyst can be defined as an expert or professional who is saddled with the responsibility of inspecting, transforming, analyzing, and modelling data with the sole aim of discovering useful information, providing insights, and creating informed conclusions, in order to support decision-making and create a completed report.
What is a delimiter?In Computer technology, a delimiter can be defined as a set of characters that are designed and developed to be used by computer programmers for marking the beginning and ending of a data item in a code chunk (.rmd file).
In this context, we can reasonably infer and logically deduce that a delimiter is used for indicating where a data item starts and end.
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Complete Question:
A data analyst adds specific characters before and after their code chunk to mark where the data item begins and ends in the .rmd file. what are these characters called?
A. Delimiters.
B. Syntax
C. Markdown
D. Backtricks
you have just installed a new disk drive in a windows server and you have booted the system. you open disk manager, change the disk type to dynamic and create three volumes. are you ready to store files on the disk?
Since you have just installed a new disk drive in a windows server, the response to if you are ready to store files on the disk is option B: No, you must first prepare the disk with a file system by formatting it.
Are there disk drives on servers?SAS hard disks are commonly used in servers. This is due to SAS hard disks' great benefits, which include their fast speed, stability, and improved security features. Low-end server systems may also use hard drives in addition to such server hard disks.
For the reasons mentioned above, partitioning is popular among power users, which is fantastic. But it's frequently not required for the typical user. Most computer users don't have a large enough file collection to necessitate a separate partition for storage.
So, do do so, Activate Disk Management. Decide which disk you wish to create a partition from. Select New Simple Volume by performing a right-click on the unpartitioned space in the bottom pane. After entering the size and selecting next, you're done.
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you have just installed a new disk drive in a windows server and you have booted the system. you open disk manager, change the disk type to dynamic and create three volumes. are you ready to store files on the disk?
a.
No, you need to partition the disk after creating the volumes.
b.
No, you must first prepare the disk with a file system by formatting it.
c.
Yes, you can start using dynamic disks after you have created a volume.
d.
Yes, Disk Manager installs FAT32 on new volumes by default.
3.
When Stacy tries to delete the field "Image,” in the Design view image below, she receives no warning message and the field deletes. But when she attempts to delete "BotanicalOrigin,” a warning message appears. Which best explains this difference?
a. “Image” is a primary key, and “BotanicalOrigin” is not a unique identifier.
b. “Image” is not a unique identifier, but “BotanicalOrigin” is a primary key.
c. “Image” contains no data, but “BotanicalOrigin” does contain data.
d. “Image” contains data, but “BotanicalOrigin” does not contain data.
When Stacy attempts to delete "Botanical Origin,” a warning message appears. The best explanation of the difference is “Image” is not a unique identifier, but “Botanical Origin” is a primary key. The correct option is b.
What is the primary key?The column or columns that each row in a table uses to uniquely identify itself is known as the primary key. For Optim to insert, update, restore, or delete data from a database table, the table must contain a primary key. The primary keys set for the database are used by Optim.
Therefore, the correct option is b.“Image” is not a unique identifier, but “Botanical Origin” is a primary key.
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what is also referred to as the invisible web? group of answer choices deep web. semantic web. snackable content. dark web.
The deep web is also called the invisible web. So, option A 'deep web' is the correct answer.
The deep web which is sometimes also called the invisible web comprises a large part of the Internet that is not accessible to conventional search engines. Deep web content includes ch-at messages, email messages, private content on social media sites, electronic health records, electronic bank statements, and other content that is accessible over the Internet but is not indexed and crawled by standard search engines such as Ya-h-oo, Go-og-le, or Bin-g.
The deep web is particularly used for legitimate day-to-day online activities and can only be accessed with special tools such as the Tor browser.
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what agency did the united states create to use cyber weapons and to defend against cyberattacks? group of answer choices u.s. cyber command department of network security department of cyber defense department of technology strategy
U.S. Cyber Command is the united states create to use cyber weapons and to defend against cyberattacks.
What does the U.S. Cyber Command do?U.S. Cyber Command has information technology, intelligence, and military capabilities.The organization's goal is to lead, synchronize, and coordinate cyberspace strategy and activities in order to protect and advance national interests in cooperation with regional and global partners.Cybersecurity is the defense against cyberthreats for systems connected to the internet, including their hardware, software, and data. The government-wide initiative to comprehend, control, and lower danger to our physical and digital infrastructure is led by the Cybersecurity and Infrastructure Security Agency (CISA).To assist Federal Executive Branch civilian departments and agencies in securing their unclassified networks, turn to the Department of Homeland Security (DHS).To learn more about Cybersecurity refer,
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Question 5 of 10
How does a programmer instruct a video game on how to function?
A. By choosing parameters in a creative manner
B. By using phrases that can be interpreted in several different way=
C. By writing an algorithm using a computer language
OD. By creating a range of variables within the game
SUBMIT
Answer:
either C or D
Explanation:
From a logical and practical view, computer and technology is about code
write a program that reads weather data from a given csv file and determines the day with the lowest average temperature.
Python is used for read the .csv file.
What is Pyhton Programming?
The syntax of Python is straightforward and resembles that of English. Python's syntax differs from various other programming languages in that it enables programmers to construct applications with fewer lines of code. Python operates on an interpreter system, allowing for the immediate execution of written code. As a result, prototyping can proceed quickly.
Code for read csv file:
import csv
weather_file = csv.DictReader(open("weather_2012.csv", 'r'),
delimiter=',', quotechar='"')
results = {}
for row in weather_file:
weather = row["Weather"].split(" "" ")
if not (weather in results):
results[weather] = {
"max": float(row["Temp (C)"])
}
continue
if float(row["Temp (C)"]) > results[weather]["max"]:
results[weather]["max"] = float(row["Temp (C)"])
y=[]
print("Weather Mean Temperature")
for month in sorted(results, key=lambda results: results):
y.append(results[month]["max"])
print("%s %.1f" % (weather[month], results[month]["max"]))
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Antivirus software prevents infection by recording key attributes about your files and checking to see if they change over time in a process called?.
Antivirus software prevents infection by recording key attributes about the files and checking to see whether they change over time in a process called inoculation.
Antivirus software are programs that protects computer systems and removes viruses that can damage data or computers. There are many types of antivirus software that use different processes to prevent files and data from damage that may cause by viruses. Inoculation is one such process that is used by antivirus software programs.
Inoculation refers to a process used by an antivirus software utility program that compares old and current versions of files to check to see if there occur any changes. In this way, inoculation detects malicious activities that otherwise can badly damage important data.
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if a packet with a destination address: 194.24.29.16 arrives at the router, then to which interface will it be forwarded?
The source IP address in the IP packet is used by the receiver to identify the sender and as the destination IP address for the return IP packets.
What is IP address?
A device on the internet or a local network can be identified by its IP address, which is a special address. The rules defining the format of data delivered over the internet or a local network are known as "Internet Protocol," or IP.
What is IP Packets?
A network packet, also known as an IP packet, is a unit of data that travels over the internet or a packet-switched network from an origin to a destination address (from a sender to a receiver). It has a data size of between 1 KBS and 1.5 KBS.
Describe the forwarding interface?
The most frequent applications of a forwarding information base (FIB), also referred to as a forwarding table or MAC table, are network bridging, routing, and related tasks. These tasks involve determining the correct output network interface controller to which the input interface should forward a packet.
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You can change the calculation used in the values area by right-clicking a value in the values area to open the shortcut menu, and then clicking field settings to open the ____ dialog box.
You can change the calculation used in the values area by right-clicking a value in the values area to open the shortcut menu, and then clicking field settings to open the Value Field Settings dialog box.
Value fields are made up of their names, texts, a rule describing how they are consolidated across time features, and if they are volume fields or price fields.
Right-click any value field in the pivot table to see Value Field Settings. Options will be listed on the screen. Value field settings are third from the last on the list, at the very end. A dialog window will open after you tap on it.
The section where we drop fields for the pivot table is another place where we can access value field settings. Users might visit the numbers section. Select the little arrow head. Value Fields Settings is the last selection.
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you are a network administrator for your organization. you are asked by your manager to set internet explorer to be your default web browser. how will you accomplish this task?
A security administrator is an expert in network and computer security, including the management of security tools like firewalls and providing general security advice.
What is the network administrator for your organization?Planning, development, installation, configuration, support, and optimization are required for all network hardware, software, and communication channels.
A network administrator is required by every company that makes use of multiple computers or software platforms to link and coordinate the various systems.
Therefore, The smooth and current operation of a company's computer network is the responsibility of the network administrator.
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write some code that repeatedly reads a value into the variable n until a number between 1 and 10 (inclusive) has been entered.
Making a set of instructions that instruct a computer how to carry out a task is the process of programming. Computer programming languages like JavaScript, Python, and C++ can all be used for programming.
every iteration, the formula initVal:step:endVal increases the index by the value step, or decreases the index if step is negative.
valArray: On each iteration, create a column vector, index, from the array's succeeding columns. For instance, index = valArray on iteration one (:,1). The maximum number of times the loop can run is n, where n is the number of columns in the valArray, which is returned by numel(valArray(1,:)). Any MATLAB® data type, such as a character vector, cell array, or struct, may be used as the input valArray.
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when you need information stored in computer files, you select the file and open it. when you need information from your long-term memory, you utilize the memory process known as .
The correct answer is Acquiring data need information stored in computer files, you select the file and open it. when you need information from your long-term memory, you utilize the memory.
Data acquisition is the process of sampling signals that measure real-world physical conditions and converting the resulting samples into digital numeric values that can be manipulated by a computer.An acquisition is when one company purchases most or all of another company's shares to gain control of that company. Purchasing more than 50% of a target firm's stock and other assets allows the acquirer to make decisions about the newly acquired assets without the approval of the company's other shareholders.
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what is the method by which an os stores, organizes, and manages access to files on a storage device?
File system is the method by which an OS stores, organizes, and manages access to files on a storage device.
A file system in a computer is the method by which files are named and organised logically for storage and retrieval. Without a file system, data would not be isolated into distinct files and be challenging to locate and retrieve. The organisation and accessibility of individual files are becoming even more crucial for data storage as data capacities rise.
Using the same logic-based method of document storage and retrieval, digital file systems and files are named after and modelled after paper-based filing systems.
Operating systems (OS) like Microsoft Windows, macOS, and Linux-based systems can have different file systems. Some file systems are created for particular uses.
An index of all the data on a storage device can be thought of as a file system, which stores and organises data. Hard drives, optical drives, and flash drives are some examples of these gadgets.
The maximum number of characters that can be used in a name, the permitted characters, and, in some systems, the length of the file name suffix are all specified by file system conventions. File names are frequently not case sensitive in file systems.
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do you think you have the qualities of an enterpreneur in you? If yes, give examples when you have shown these qualities.
The quality that all successful entrepreneurs must possess is determination and the ability to take action. They have to think and make decisions quickly and they discipline themselves to act and implement their decisions.
What is entrepreneurs?An entrepreneur is defined as a person who has the ability and desire to establish, manage and succeed in a start-up company with his own risks, in order to generate profit.
It is classified into the following types:
Small Business- Scaling of Initial Business Large Corporate Business Social Business5 Qualities of a Better Entrepreneur
Willingness to fail. Fear of failure is a common affliction.Critical Thinking. As the first trait, critical thinking enables entrepreneurs to move away from the herd mentality Clarity of Vision. Use yourself. Strong communication.Entrepreneurship accelerates economic growthEntrepreneurs are important for a market economy because they can act as the wheels of a country's economic growth. By creating new products and services, they increase new jobs, which ultimately leads to an acceleration of economic development.
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2.2 Lesson Practice python quiz
Answer:x = int(input("Enter an integer: "))
print(x + 1)
print(x + 2)
print(x + 3)
2.2 question 2
a = float(input("Enter number here: "))
b = float(input("Enter number here: "))
c = float(input("Enter number here: "))
print(a + b + c)
Explanation:
Let's say you are the Robot (Give yourself a name) you are talking to the customer.
The customer wants to purchase a bicycle.
The customer wants to know the purchase of the 3 bicycles. What's included in the total cost? Taxes 8%
How will the customer be paying? Will this customer needs deliver or they will pickup?
Use your mathematical operators....
Let the robot's name be Alpha.
Alpha will follow a predetermined algorithm to interact with the customer.
Algorithm -
Alpha: Hello. Please select the model of the bicycle from the list.
Alpha: The selected model's MRP is $x.
Alpha: The MRP will be subject to an additional 8% tax.
Alpha: Total cost of 1 bicycle is MRP+(8% of MRP).
Alpha: Total cost of 3 bicycle is 3*(MRP+(8% of MRP)).
Alpha: Choose a payment option from the list.
Alpha: Choose the delivery option. Pickup or home delivery
What is an Algorithm?
A set of finite rules or instructions to be followed in calculations or other problem-solving operations or A procedure for solving a mathematical problem in a finite number of steps that frequently involves recursive operations.
For example,
An algorithm to add two numbers:
• Take two number inputs
• Add numbers using the + operator
• Display the result
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Isai is explaining to his brother what a modem is. Which of the following statements should Isai say? A modem acts as a firewall for VLANs, accepting and denying data packets based on preconfigured rules. A modem converts digital signals into analog waves so they can be transmitted through telephone or cable lines. A modem uses encryption to prevent hackers from understanding secure communications on the network.
Answer:
He should say the first one; A modem acts as a firewall for VLANs, accepting and denying data packets based on preconfigured rules.
Explanation:
its just how they work
Where in the dashboard would you primarily view and engage with your audience and the social media content published by others?.
Answer is Tabs and Streams.
The Dashboard Would You Primarily View And Engage With Your Audience And The Social Media Content Published By Others is tabs and streams.
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A while loop is called a pretest loop because the condition is tested after the loop has had one iteration. True or false?.
Answer:
True
Explanation:
The while loop tests the condition first then performs iteration.
a data analyst is working with product sales data. they import new data into a database. the database recognizes the data for product price as text strings. what sql function can the analyst use to convert text strings to floats? 1 point
Cast is the sql function use to convert strings to floats. CAST is a sophisticated function that converts one or more values from one data type to another.
What is cast function?CAST is a sophisticated function that converts one or more values from one data type to another. The SQL CAST function converts an expression's data type to the provided data type. See Data Types for a list of the data types supported by InterSystems SQL. CAST is similar to CONVERT, but with the following differences: CAST is less flexible than CONVERT.
Type casting is a technique for transforming data from one data type to another. This data conversion technique is also known as type conversion or type coercion. We can cast both reference and primitive data types in Java. Casting changes only the data type rather than the data itself.
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must eat is a company that allows online food delivery. must eat rolls out updates every month for better user interface. recently, after one of its updates, the network team of the company detects certain unauthorized access to the main data frame of the company. on inspection, the team notices that there has been no breach of sensitive data. what kind of cybersecurity exploitation was attempted by the hackers in this scenario?
Since must eat is a company that allows online food delivery, the kind of cybersecurity exploitation was attempted by the hackers in this scenario is A zero-day attack.
What is meant by zero day attack?Since the seller or developer has only become aware of the flaw, they have "zero days" to remedy it, hence the term "zero-day." When hackers take advantage of the vulnerability before developers have a chance to fix it, it is known as a zero-day assault.
This harmful computer worm targeted machines in Iran, India, and Indonesia that were utilized for manufacturing. Iran's uranium enrichment facilities were the main target in an effort to thwart the nation's nuclear program.
Therefore, Since there are currently no antivirus signatures or updates for zero-day threats, they are by definition challenging to identify. There are a variety of zero-day vulnerability detection techniques that can be used to locate previously unknown software vulnerabilities.
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Must Eat is a company that allows online food delivery. Must Eat rolls out updates every month for better user interface. Recently, after one of its updates, the network team of the company detects certain unauthorized access to the main data frame of the company. On inspection, the team notices that there has been no breach of sensitive data. What kind of cybersecurity exploitation was attempted by the hackers in this scenario?
1. It could have been an evil twin exploit.
2. It could have been an attempted hack by a white hat hacker
3. A zero-day attack might have been the cause
4. It could have been an attempted hack by a gray hat hacker
given two implementations of sparc, one with only four sets of registers in the circular register file, and one giant one with 32 sets, can you run the same compiled binary on both processors?
No, it isn't. Machine language is used to encode the CPU's programs. The machine language for x86 and ARM does not have the same instructions, and the encoding is extremely different.
It is possible to think of machine code as either a simple and hardware-dependent programming language or as the lowest-level representation of a built or assembled computer program. Machine code is a strictly numerical language that is intended to run as quickly as feasible. Machine language and assembly language are not portable and are hardware-specific. This means that in order for a program to execute on another computer, the machine code that was utilized to run it on the first computer must be changed. A high-level language's portable code can execute unchanged on numerous computers.
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When running code, select the example that would most likely result in an exception.
A) Dividing by zero
B) Missing parentheses
C) Missing quotes
D) Opening a file
When running code, select the example that would most likely result in an exception is: "Dividing by zero" (Option A)
What is an exception in Code?An exception is an occurrence that happens during program execution that disturbs the usual flow of the program's instructions. When a method encounters an error, the method produces an object and passes it to the runtime system.
Alternatively, an exception is an occurrence that occurs during the execution of a program that disturbs the usual flow of instructions. For instance, public static void Main ().
There are three kinds of exceptions:
checked exceptions, errors, and runtime exceptions.An exception is an object that signals a problem. The exception object should give a way to fix the problem or at the very least identify what went wrong.
In most cases, the exception object will include a "stack trace," which will allow you to backtrack through your application and hopefully pinpoint the precise point where things went wrong.
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which term refers to the 100-mbps standards, even though there are now much faster versions of ethernet available?
Fast Ethernet refers to the 100-mbps standards, even though there are now much faster versions of ethernet available.
Define Ethernet.
Wide area networks, metropolitan area networks, and local area networks all frequently use the Ethernet family of wired computer networking technologies. In order to build local area networks, Ethernet is basically a common communication protocol.
This enables communication over a network between two or more different network cable types, such as copper to fiber optic and vice versa. Without an internet connection, you can use an Ethernet connection. However, you are limited to speaking with computers and other gadgets connected to an Ethernet network.
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3. Online word processing programs always have more features than standalone programs.
O True
O False
True, Online word processing programs have more features than standalone programs.
What is an online word processor?
An online word processor provides the ability to create, edit, share, save, and access your documents from anywhere, anytime. The online versions of these programs work in real-time, so you don't have to worry about saving your work, and they allow multiple contributors to collaborate and edit documents all at once.
Features :
1. Office Online Is Free
2.Access Documents Anywhere With Cloud Storage
3.Easy Sharing and Collaboration
4.Office Online Offers a Simplified Workflow
Hence, Online word processing programs generally have more features than standalone programs.
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which of the following would be important for an engineer to consider when building a web-based api? a.) the design of the interface b.) the structure of the web page c.) the style definitions of the application d.) the values of the data
The design of the interface is important for an engineer to consider when building a web-based API.
What is Web API?
API is an abbreviation for Application Programming Interface. API is a type of interface that contains a set of functions. These functions will enable programmers to obtain specific features or data from an application.
As the name implies, a web API is an API that can be accessed via the web using the HTTP protocol. It is a framework for creating and developing HTTP-based RESTFUL services. Different technologies, such as java and ASP.NET, can be used to create a web API. Web API can be accessed via a web server or a web browser.
Web API is essentially a web development concept. It is restricted to the client-side of Web Applications and does not include information about a web server or a web browser. Web API services are used when an application is to be used on a distributed system and to provide services on various devices such as laptops, mobile phones, and so on. Web API is a more advanced version of a web application.
So, the correct answer is a.) the design of the interface.
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1. What is an example of something especially difficult about a sports game's user interface design? Why is it so hard?
2. Let's say you wanted to make an American Football game. What is an example of a legal issue you'd have to watch out for?
An example of something especially difficult about a sports game's user interface design is the gameplay mechanic.
What exactly is a gaming mechanic?The rules and procedures that direct the player and determine how the game will react to their moves and actions are known as the game's mechanics. You design the game's mechanics, which determine how it will function for the players.
Game mechanics are the guidelines or rules that control and direct the player's actions and the game's reactions in both tabletop and video games. A lexeme, or play element, is similar to the L-shaped move of the knight in chess while a rule is a set of instructions on how to play.
Game mechanics consist of four components: quantity, spatial, state, and action. Each of them is described in the following chart, along with some illustrations for each.
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we receive several blocks of ciphertext in cfb mode. an error has changed a single bit in the middle of the ciphertext. how much of the plaintext will be affected by the error when we decrypt it?
When we decrypt it, the fault will affect the plaintext. One bit and one block.
What are encryption and decryption?The process of encryption converts plain text data (plaintext) into something that would seem random and meaningless (ciphertext). Decryption is the process of converting ciphertext to plaintext.Encryption is the process of transforming information it in to a secret code that hides its true intent. The study of information encryption and decryption is known as cryptography. Ciphertext and plaintext are terms used to describe different types of data in the computer world.Data is encrypted so that only those with the secret key (formally referred to as a decryption key) or password may decipher it in its new form, or code.To learn more about encryption and decryption refer to :
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a network switch is configured to perform the following validation checks on its ports: all arp requests and responses are intercepted. each intercepted request is verified to ensure that it has a valid ip-to-mac address binding. if the packet has a valid binding, the switch forwards the packet to the appropriate destination. if the packet has an invalid binding, the switch drops the arp packet. which security feature was enabled on the switch to accomplish this task?
The security feature that was enabled on the switch to accomplish this task is Dynamic ARP Inspection
Where is dynamic ARP configured?The database of legitimate IP-to-MAC address bindings used by dynamic ARP inspection is called DHCP snooping bindings. The DHCP snooping binding database entries are subordinate to ARP ACLs. ACLs are only used by the switch if they are set up using the ip arp inspection filter vlan global configuration command.
Networks are shielded from man-in-the-middle ARP spoofing attacks by MS switches' Dynamic ARP Inspection (DAI) security function. DAI validates Address Resolution Protocol (ARP) packets by inspecting them on the LAN and using the data in the DHCP snooping table on the switch. 5 Oct 2020
Note that a trusted database is used to perform an IP-to-MAC address binding inspection as part of dynamic ARP inspection to ascertain the validity of packets.
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