Able to to meet the goal the following should you implement is Syslog server
What is meant by Syslog server ?Network devices can connect with a logging server using a common message format by using the System Logging Protocol (Syslog). It was created primarily to make monitoring network devices simple. A Syslog agent can be used by devices to transmit notification messages in a variety of distinct circumstances.
Computer systems deliver event data logs to a central place for storage via the Syslog protocol.
Syslog-core ng's is built in C, which makes it extremely quick. Although the majority of modules are likewise written in C, the syslog-ngTM incubator offers modules that enable syslog-ngTM to be extended with destinations written in Java, Lua, Perl, or Python.
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the following method is intended to return true if and only if the parameter val is a multiple of 4 but is not a multiple of 100 unless it is also a multiple of 400. the method does not always work correctly. public boolean isleapyear(int val) { if ((val % 4)
.isLeapYear (1900) will return an incorrect response as 1900 is not a leap year as the parameter val is a multiple of 4 but is not a multiple of 100 unless it is also a multiple of 400.
What is a parameter?These pieces of information are the values of the arguments (often referred to as actual arguments or actual parameters) with which the subroutine is going to be called or invoked.
A special kind of variable called a parameter, also known as a formal argument in computer programming, is used in a subroutine to refer to one of the pieces of data that are supplied to the subroutine as input.
An ordered list of parameters is typically used to define subroutines so that the results of the evaluation of the arguments for each call can be assigned to the corresponding parameters.
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now, you will dive in to understanding how linear models vary from sample to sample. here two random samples from a population are plotted onto the scatterplot. the population data (called popdata) already exists and is pre-loaded, along with ggplot and dplyr.
Using the whole dataset, popdata, plot response vs. explanatory, we will add a point layer using geom_point() and add a smooth trend layer using geom_smooth(), with the linear regression method, "lm", and no standard error ribbon, se = FALSE.
What is dataset?A collection of data is referred to as a dataset. When dealing with tabular data, a dataset is equivalent to one or more database tables, where each row corresponds to a specific record of the dataset in question and each column represents a specific variable. The dataset includes values for each variable, including things like an object's height and weight, for each set member. A group of files or documents can also make up a dataset.
Datasets are used to measure the information made available in a public open data repository in the open data discipline. Over a million datasets are gathered by the European data.europa.eu portal.
# Using popdata, plot response vs. explanatory
ggplot(___, aes(x = ___, y = ___)) +
# Add a point layer
___() +
# Add a smooth trend layer, using lin. reg., no ribbon
___(method = "___", se = ___)
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1. transform the following erd into a set of relations in 3nf; list all foreign key constraints. (40 points)
Relations in 3NF are as follows:
Speciality(SpecID,Description)Physician(PhysID,Name,SpecID,HospID)Hospital(HospID,Name,Address)Patient(PatientID,FirstName,LastName,Phone,PhysID)Treatment(TreatCode,Description,Price)PatientTreatment(PatientID,TreatCode)Here underlined are primary keys and italicized are foreign keys.
What is foreign keys?Foreign keys help define the relationship between tables, which is what puts the "relational" in "relational database." They enable database developers to preserve referential integrity throughout their system. By reducing errors and speeding up any operation that pulls data from tables connected by indexed foreign keys, foreign keys also benefit end users.
Technically speaking, a foreign key is a constraint that guarantees that a value can be added to column_a only if the same value already exists in column_b and links a column in one table (table 1.column a) to a column in another table (table 2.column b).
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what is the preorder traversal of the elements in a avl tree after inserting 3, 4, 45, 21, 92, 12 in this order?
45, 4,3, 21, 12, 92 is the preorder traversal of the elements in a avl tree after inserting 3, 4, 45, 21, 92, 12 in this order.
The definition of an AVL tree is a height-balanced binary search tree in which each node has a balance factor that is determined by deducting the height of the node's right subtree from the height of its left subtree. Most in-memory sets and dictionaries are stored using AVL trees. Database applications, where insertions and deletions are less common but frequent data lookups are necessary, also frequently use AVL trees. The Adelson, Velski, and Landis (AVL) trees are height-balancing binary search trees.
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consider the following code segment. for (int j = 1; j < 10; j = 2) { system.out.print(j); } which of the following code segments will produce the same output as the code segment above?
int sum = 0; for (int k = 0; k <= arr.length; k++) { sum = sum + 2 * k; }
System.out.print(sum); int sum= arr[0]; for (int k = 1; k <= arr.length; k++) { sum = sum + 2 * arr[k]; }
System.out.print(sum); int sum = 0; for (int k = 0; k< arr.length; k++) { sum = sum + 2 * arr[k]; }
System.out.print(sum); int sum= 0; for (int k = 0; k < arr.length; k++) { sum = sum + 2 * k; }
System.out.print(sum); int sum = 0; for (int k = 1; k <= arr.length; k++) { sum = sum + 2 * k; }
System.out.print(sum);
The code segment that will produce the same output as the code segment above is as follows:
int sum = 0; for (int k = 0; k <= arr.length; k++) { sum = sum + 2 * k; }Thus, the correct option for this question is A.
What is a Code segment?A code segment may be characterized as a type of text segment that significantly deals with one of the sections of a program in an object file or in memory, which contains executable instructions.
According to the context of this question, a code segment includes the area of memory containing the machine code instructions of an executing program in order to make the work easier.
Therefore, the correct option for this question is A.
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a fellow engineer tells you to configure the dhcp server to lease the last 100 usable ip addresses in subnet 10.1.4.0/23. which of the following ip addresses could be leased as a result of your new configuration?
C (10.1.5.200) is the ip address ould be leased as a result of the new configuration.
Why this configuration?
To answer this question, you must first determine the range of addresses in the subnet, which typically entails calculating the subnet ID and subnet broadcast address.
The mask converts to 255.255.254.0 when the subnet ID/mask is 10.1.4.0/23. Following the decimal process described in this chapter, you can copy the subnet ID's first two octets to find the subnet broadcast address because the mask's value is 255 in each octet.
Because the mask has a 0 on the fourth octet, you write 255 there. In octet 3, the interesting octet, multiply the magic number (2) by the value of the subnet ID (4), minus one, for a value of 2 + 4 - 1 = 5. (In this case, the magic number is calculated as 256 - 254 = 2.) This results in the broadcast address 10.1.5.255. The last address that can be used is one less: 10.1.5.254. 10.1.5.155-10.1.5.254 is the address range that includes the last 100 addresses.
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write a statement that assigns the variable d a dictionary that contains one element. the element's key should be the string 'answer' and the element's value should be the integer 42
Answer:
d={'answer': 42}
Explanation:
web 2.0 is referred to as the social web, and web 3.0 is described as the blank web. multiple choice question.
Web 2.0 is referred to as the social web, and web 3.0 is described as the personal web.
What is web 3.0?Web 3.0 is the concept of a new, more intelligent version of the internet. It is sometimes referred to as the Semantic Web, the Intelligence Web, or the Web of Data. It is an advancement on the current Web 2.0, which allows users to easily interact and share information through social networking, blogs, and other web-based applications. Web 3.0 is an effort to make the internet smarter and more organized.
The idea behind Web 3.0 is to use artificial intelligence, semantic technology, and natural language processing to organize data from the Web in an intelligent way. This would allow computers to better understand and interpret the content of the web. Additionally, Web 3.0 would use machine learning to make predictions and recommendations based on the data it collects. This could make web searches more efficient and accurate.
Web 3.0 would also use distributed ledger technology, such as blockchain, to decentralize data and increase security. Additionally, it would allow for more personalized experiences, as it would collect data from a variety of sources to create a more detailed view of the user.
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your internet is out, and devoxes connected by wifi and ethernet will not connect. you check several
Open the DNS settings on your router and try using a different DNS.
This is Because:
As the pinging to a website using IP address is successful. That means there has to be some problem with DNS.
Because whenever a website is been tried to accessed using domain name, firstly the corresponding IP address is been fetched from the DNS and then using the IP address, the website is been accessed.
In our case, the website is not accessible using the domain name, but the pinging to the website IP address is successful.
This confirms that there is some problem with the DNS.
Therefore, correct option is Open the DNS settings on your router and try using a different DNS.
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stihl shuns mass merchandisers and limits distribution channels to six independent u.s. distributors and six company-owned marketing and distribution centers. this approach to distribution would be best described as which of the following?
STIHL is a good example of selective distribution because it manufactures handheld outdoor power equipment and sells it to six independent U.S. distributors and six STIHL-owned marketing companies.
What is Selective distribution?
Selective distribution is a system and strategy that allows a company to sell its goods through a limited number of intermediaries. Different block exemption and competition laws govern these types of vertical agreements between businesses to ensure that no one company has an unfair advantage over another.
Consider a major food chain that sells franchise stores to individuals who meet the parent company's specific criteria. Consider an e-commerce behemoth that allows a select group of vendors to sell on their platform.
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cell phone operating systems are a type of ________ operating system.
Cell phone operating systems are a type of real time operating system.
Do mobile devices have a real-time operating system?Smartphones are an example of a mobile device with two mobile operating systems. In addition to the primary user-facing software platform, these devices also have a low-level, proprietary real-time operating system that controls the radio and other hardware.
Note that An operating system (OS) that ensures real-time applications have a given capability by a certain deadline is known as a real-time operating system (RTOS). RTOSes are intended for time-sensitive devices like microcontrollers and critical systems. Requirements for RTOS processing speed are expressed in milliseconds. Real-time operating system: what is it?
Therefore, An operating system (OS) that ensures real-time applications have a given capability by a certain deadline is known as a real-time operating system (RTOS). RTOSes are intended for time-sensitive devices like microcontrollers and critical systems.
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our router has restarted and we want to know what caused this. which command can we use to find out?
Show version is the correct answer because the output of the show version command includes the line 'System restarted by' followed by a reason. This line will provide a good indication of why the router restarted.
What is Router?
A router is a network switching device that can route network packets based on their addresses to other networks or devices. They are used for Internet access, network coupling, and connecting branch offices to a central office via VPN, among other things (Virtual Private Network).
They communicate using various access protocols, such as Ethernet, ATM, or DSL, depending on the type. The switching of data packets through the router in the OSI layer model is based on the network layer address (layer 3). There are multi-protocol routers that handle other network protocols in addition to routers that use Internet protocol (IP).
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give a recursive algorithm which takes a positive integer n as input and returns the sum of the first n positive odd integers. you may call this function as sumodd(n).
The recursive algorithm is:
def sum_of_odds_up_to_n(n):
if n <= 0:
return 0
if n % 2 == 0:
return sum_of_odds_up_to_n(n-1)
return n + sum_of_odds_up_to_n(n-2)
What is a recursive function?
Recursion is a technique used in computer science to solve computational problems when the solution is dependent on solutions to smaller instances of the same problem. Such recursive issues are resolved by recursion employing functions that call one another from within their own code.
A recursive function solves a specific problem by calling a copy of itself and addressing more manageable sub-problems within the larger problem. In most cases, we learn about the recursive function via the arithmetic-geometric sequence, which has terms with a shared difference.
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someone deletes a file, the file goes to the trash/recycle bin, then the user emptied the recycle bin. can the file always be recovered using forensics tools?
Yes, files that have been deleted from the Recycle Bin can still be recovered since they are still physically present on the storage device until they are replaced by new data.
What is recycle bin?Deleted items like files and folders are kept in the Recycle Bin as a "holding bay." When you remove a file or folder, it does not removing something permanently from your computer. The deleted items are instead placed in the Recycle Bin by Windows 7.
It's kind of like these files are in limbo right now. Once you decide they are no longer required, you can choose to permanently delete the deleted files, after which they will stay in the Recycle Bin.
Recovering deleted items from the Recycle Bin is the whole point in case you realize too late that you accidentally deleted the most significant file, image, or folder.
Your desktop houses the Recycle Bin, and Windows Explorer's Desktop favorite can be used to open it as well.
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Ellie i writing a gaming program where the character will hrink when their opponent enter their catle. What boundary mut be et for the program to work?
She is creating an algorithm that computers can use to solve equations by following a set of detailed instructions.
An algorithm is a set of guidelines for resolving a dilemma or carrying out a task. A recipe, which consists of detailed directions for creating a dish or meal, is a typical illustration of an algorithm. Algorithms are used by every computerized equipment to carry out its operations in the form of hardware- or software-based routines.
Algorithms are now crucial in the financial industry for the creation of automated and high-frequency trading (HFT) systems as well as the pricing of complex financial instruments like derivatives. An algorithm is a set of guidelines for resolving a dilemma or carrying out a task.
Algorithms are used by every technological device to reduce the time needed to complete tasks manually.
Algorithmic trading, commonly referred to as automated trading or black-box trading, involves buying or selling using a computer program.
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The answer is distance between players which is option (A)
a radio frequency identification (rfid) tag provides a generic identification for a credit or debit card carrying the tag.
Using radio waves, Radio Frequency Identification (RFID) technology can identify individuals or things.
What is Radio Frequency Identification?Using radio waves, Radio Frequency Identification (RFID) technology can identify individuals or things. It is possible to read data from a wireless device or "tag" from a distance without making physical contact or needing a clear line of sight using certain devices.Since the 1970s, various forms of RFID technology have been made commercially available. Car keys, employee identification, medical billing and history, toll road tags, and security access cards all contain it today and are now a common part of our daily lives. The proximity and vicinity types of RFID technology are both used by the US government for border management:Documents with proximity RFID capability can be securely and precisely read by authorized readers up to 20 to 30 feet away.Documents with proximity RFID capability can only be read from a few inches away and must be scanned close to an authorized reader.Only a number pointing to the data kept in secure databases is stored on the RFID card instead of any personal information.To Learn more About Radio Frequency refer to:
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a technician receives a notification from a soho router manufacturer of a specific vulnerability that allows attackers to exploit snmp traps to take over routers. the technician verifies the settings outlined in the notification. which of the following actions should the technician take next?
Check for and apply firmware updates is actions should the technician take next.
What is a router manufacturer?Routing manufacture, also called production routings, refers to the route to take during each stage of the manufacturing process while transforming components and raw materials into a final product.
Manufacturing companies utilize routings to visualize and manage the manufacturing process. Routing is the foundation for process scheduling, capacity planning, the scheduled assignment of material requirements, and production records.
Thus, Check for and apply firmware updates.
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suppose a[1], a[2], a[3], , a[n] is a one-dimensional array and n > 50. (a) how many elements are in the array?
a) In the array a[1], a[2], a[3] ...a[n] and n > 50, there are total (n - 1 +1) = n elements.
What is an array?An What is an array?is a row and column arrangement of objects (such as numbers, pictures, or algebraic expressions). A 2-dimensional array can be useful for organizing and displaying all the possibilities when listing results.
While it is possible to list all outcomes, this is not a practical way to count or find outcomes with specific characteristics. Instead, we could create an array to display the results in an organized manner; this will also help to ensure that no outcomes are missed in the list.
This is especially useful for experiments involving two separate events, such as tossing two coins, rolling two dice, or selecting two marbles from a bag with replacement.
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define the student class to inherit from the person class. declare an int public class variable to represent the id number. do not make this variable private. name this variable id. write the constructor to initialize all class variables. the order of the student constructor should be (firstname, lastname, id). also, define the tostring() method to resemble the tostring() method from the person class, except with the id following the name. the format should resemble: student: firstname lastname id make sure to add/create a .equals(object obj) method for person, and student. a student id is unique, so students are equal if the id is equal, along with their first and last names. for people, they are only unique/equal if both first and last names are equal. step 2: roster.initializelistfromfile() now, complete the unfinished initializelistfromfile() in the roster class. this method takes a filename as a parameter and fills the arraylist of objects of type person or student. each line in the file to read from represents a single object with the following possible formats: for a student object: firstname lastname id for a person object: firstname lastname your method should loop through every line in the file, and add a new person or student object to the people arraylist by calling the appropriate constructor with the appropriate arguments.
//Roster.java import java.io.File; import java.io.FileNotFoundException; import java.util.ArrayList; import java.util.Scanner; public class Roster { ArrayList<Person> people; ArrayList<Student> students; public Roster(String filename ) { people = new ArrayList<Person>(); students = new ArrayList<Student>(); initializeListFromFile(filename); } public void initializeListFromFile(String filename) { try { Scanner scnr = new Scanner(new File(filename)); while (scnr.hasNextLine()) { String tmp = scnr.nextLine(); String[] li = tmp.split(" "); if(li.length == 3) { // Student Object students.add(new Student(li[0], li[1], Integer.parseInt(li[2]))); } else if(li.length == 2) { // Person Object people.add(new Person(li[0],li[1])); } else { System.out.println("Invalid entry in file: " + filename); System.exit(1); } } scnr.close(); } catch (FileNotFoundException e) { e.printStackTrace(); } } public static void main(String [] args) { Roster r = new Roster("test.txt"); System.out.println(r.people); System.out.println(r.students); } }
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assigning a role to enable aws services to access one another is the realm of: group of answer choices
Assigning a role to enable aws services to access one another is the realm of API connector.
A strong, user-friendly addon called API Connector imports data from any API. Start immediately by selecting an API from a library of pre-configured ones, or design your own unique connections to the data sources of your choice. An incredible application called API Connector makes it possible for non-programmers to use the power of APIs and combine them without any difficulty.
Without having to spend money on pricey BI or ETL solutions, it offers up a lot of opportunities. The quickest and easiest way to build an API-based website with API Connector. I was able to establish a course discovery site without any coding knowledge by combining it with WP All Import to import the data.
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Implement a class Bug that models a bug climbing up a pole. Each time the up method is called, the bug climbs 10 cm. Whenever it reaches the top of the pole (at 100 cm), it slides back to the bottom. Provide a method getPosition that returns the current position. Complete the following file Bug.java 1 public class Bug 3 4 private int position; 5 I/ Provide the getPosition and up methods Submit
Using the codes in computational language in C++ it is possible to write a code that Implement a class Bug that models a bug climbing up a pole. Each time the up method is called, the
Writting the code:#include<iostream>
using namespace std;
class Bug
{
public:
int get_position() const;
void reset();
void up();
private:
int position = 0;
};
int Bug::get_position() const
{
//return current position of bug
return position;
}
void Bug::reset()
{
//position of bug resetted to 0
position = 0;
}
void Bug::up()
{
//increment bug position by 10 and if it becomes 100 then move it back to 0
position += 10;
if (position == 100)
position = 0;
}
int main()
{
Bug bugsy;
Bug itsy_bitsy;
bugsy.reset();
itsy_bitsy.reset();
bugsy.up();
bugsy.up();
cout << bugsy.get_position() << endl;
cout << "Expected: 20" << endl;
itsy_bitsy.up();
itsy_bitsy.up();
itsy_bitsy.up();
cout << itsy_bitsy.get_position() << endl;
cout << "Expected: 30" << endl;
for (int i = 1; i <= 8; i++)
{
bugsy.up();
}
cout << bugsy.get_position() << endl;
cout << "Expected: 0" << endl;
bugsy.up();
cout << bugsy.get_position() << endl;
cout << "Expected: 10" << endl;
return 0;
}
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which file in the boot process is responsible for loading the graphical user interface and starting the client/server runtime subsystem?
The protected system procedure known as the Local Security Authority (LSA) authenticates and logs users onto the local computer.
The kernel, a fundamental component of any operating system, controls communication between hardware and software. The kernel is in charge of controlling I/O from and to the hard disk, cache, and memory. It also manages task scheduling, device signaling, and other crucial responsibilities. Before any other code is allowed to execute and before the permission and throttle checks take place, the authentication procedure always begins at the beginning of the application. To verify a user's identity, different systems could require various kinds of credentials.
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if when we have testing every single individual function, method, class, or other individual unit of code we are not done testing a application.
Everything that could possibly break should be tested. It would make more sense if you wrote your test first, as you would expect from a data access layer. Initially, the test would fail. You'd then write production code to pass the test.
What is Unit Testing?
Unit testing is a type of software testing that involves testing individual software units or components. The goal is to ensure that every piece of software code works as it should. Developers perform unit testing on applications during the development (coding) phase. Unit tests are used to isolate and validate a section of code. A single function, method, procedure, module, or object is referred to as a unit.
In SDLC, STLC, and V Model, unit testing is the first level of testing performed before integration testing. Unit testing is a type of WhiteBox testing that is typically performed by the developer. In practice, however, due to time constraints or developers' reluctance to test, QA engineers also perform unit testing.
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when you declare or access an array, you can use any expression to represent the size, as long as the expression is .
Answer: an integer..............
a series of audio or video clips released in a sequence that is popular in home, academic, and corporate settings is called a(n) .
a series of audio or video clips released in a sequence is commonly called a playlist.
What is a Playlist?A playlist is a collection of audio or video tracks that are intended to be played in a specific order. Playlists can be created by individuals or organizations and can be shared with others.
Playlists are commonly used in music streaming services, such as Spotify or Apple Music, but they can also be created and shared on other platforms.
Playlists are a convenient way to organize and enjoy a collection of audio or video tracks, and they can be tailored to a specific theme, or occasion.
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what does a block cipher utilize in order to change plaintext characters into two or more encrypted characters?
A mathematical structure known as an invertible matrix is a block cipher utilize in order to change plaintext characters into two or more encrypted characters.
What is Block Cipher?
A block cipher is a method of encrypting data in blocks to generate ciphertext with the help of a cryptographic key and algorithm. In contrast to a stream cipher, which encrypts data one bit at a time, a block cipher processes fixed-size blocks at the same time. The majority of modern block ciphers are built to encrypt data in fixed-size blocks of 64 or 128 bits.
A block cipher encrypts and decrypts a block of data using a symmetric key and algorithm. A block cipher requires an initialization vector (IV), which is added to the input plaintext to increase the cipher's keyspace and make brute force attacks more difficult. The IV is generated by a random number generator and combined with the text in the first block and the key to ensure that all subsequent blocks produce ciphertext that differs from the first encryption block.
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which of the following bones is not visible in the lateral view of the skull?multiple choicepalatine bonestemporal boneszygomatic bonesmaxillary bones
The bone that is not visible in the lateral view of the skull is option B: The ethmoid bones.
What bones can be seen in the side view of the skull?From an anterior and lateral view, the following skull bones are discernible: is the sphenoid bone. frontal skeleton it is the zygomatic bone.
The ethmoid bone is an unpaired cranial bone that plays a significant role in the construction of the nasal septum and upper nasal cavity. Additionally, the medial orbit wall is made up of the ethmoid bone.
Hence, The ethmoid bone, which is only externally visible as the upper conchae (internal bumps) of the nasal cavity and in the eye sockets, also contributes to the floor of the cranial cavity.
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regarding a spreadsheet model, an uncontrollable model input is known as a(n) a. statistic b. parameter. c. decision variable. d. dummy variable.
Option C is correct. The way that values are passed from the calling function to the called function is through arguments or parameters.
Formal parameters are the variables that are utilized as parameters in the definition of the function. A parameter, also known as a formal argument in computer programming, is a particular type of variable used in a subroutine to refer to one of the bits of data given to the procedure as input. Values that are provided into a function are known as parameters. A function that adds three numbers, for instance, can have three parameters. A function has a name, and other places in a program can call it. When such occurs, the communication is referred to as an argument.
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A ________ examines each part of a message and determines whether to let that part pass.
Answer:
packet-filtering
Explanation:
A packet-filtering firewall examines each part of a message and determines whether to let that part pass.
listen to exam instructions as a network administrator, you are asked to recommend a secure method for transferring data between hosts on a network. which of the following protocols would you recommend? (select two.)
Two protocols SFTP and SCP would be recommended for secure data transmission between hosts across a network. Thus, options A and C pertain to the correct answers.
Network protocols are an established set of rules that identify how data is transmitted between different devices or hosts on a network. Essentially, network protocols allow connected devices to communicate with each other, regardless of any differences in their internal structure, design, and processes. SFTP and SCP are two examples of network protocols. The SCP or secure copy protocol establishes a connection, copies the files, and after that closes the connection. The SFTP or secure file transfer protocol provides a secure service for file transfer between systems. Unlike SCP, SFTP allows for browsing the file system on the remote server before copying any files.
"
Missing options are:
A. SFTP
B. Telnet
C. SCP
D. DNS
"
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