The data of the local network is 172.20.0.254.
What is local network?A local area network is a type of computer network that connects computers in an area that is relatively small, like a home, school, lab, university campus, or office building. A wide area network, on the other hand, typically uses leased telecommunications circuits and spans a greater geographic area. Simply go to the network settings on your computer, laptop, or Mac and select the option to set up a new connection or network. Plugging in an Ethernet cable with one end in the computer and the other in your router or network switch makes adding more computers to your LAN a straightforward process. A local area network (LAN) is a group of interconnected devices that are physically located in a building, office, or house.To learn more about local network refer to:
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Practice 1) Several people are standing in a row and need to be divided into
two teams. The first person goes into team 1, the second goes into team 2, the third goes
into team 1 again, the fourth into team 2, and so on.
Write a method that takes an array of positive integers (the weights of the people) and
return an array of two integers, where the first element is the total weight of team 1, and
the second element is the total weight of team 2 after the division is complete.
Make sure your method throws appropriate exceptions. Also test your method with a few
test cases in the main method.
Java
Java program with function calls and list return. An image of the code and output of the algorithm is attached.
Java Codeimport java.util.ArrayList;
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
ArrayList<Integer> total_weight = new ArrayList();
ArrayList<Integer> weight = new ArrayList();
int N;
double media;
// Number of people in rowN = Numberofpeople();
// Function to divide the people into two teamdividedintotwoteams(total_weight,weight, N);
// OutputSystem.out.println("Total weight of team 1 y 2: "+total_weight);
}
public static int Numberofpeople() {
Scanner sc = new Scanner(System.in);
int n;
System.out.println("****Divide people into two teams**** ");
System.out.println("--------------------------------- ");
System.out.print("Number of people in row: ");
n = sc.nextInt();
return n;
}
public static void dividedintotwoteams(ArrayList<Integer> total_weight, ArrayList<Integer> weight, int n) {
Scanner sc = new Scanner(System.in);
// Define variablesint team1, team2, x;
team1 = 0;
team2 = 0;
int w;
for (x=1;x<=n;x++) {
System.out.print(x+" person weights: ");
do {
w = sc.nextInt();
} while (w<=0);
weight.add(w); //add weight to ArrayList
if (x%2!=0) {
team1 = team1+w;
} else {
team2 = team2+w;
}
}
total_weight.add(team1);
total_weight.add(team2);
}
}
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. consider the count-to-infinity problem in the distance vector routing. will the count-to-infinity problem occur if we decrease the cost of a link? why? how about if we connect two nodes which do not have a link?
No, this is because that decreasing link cost won't cause a loop (caused by the next-hop relation of between two nodes of that link).
The count-to-infinity problemThe count-to-infinity problem occurs when a node in a distance vector routing network propagates an incorrect distance to another node, causing a loop. This can happen when a link cost is decreased, since this could cause the node to incorrectly believe that the cost of the link is lower than it actually is, leading to a routing loop.
If two nodes are connected that do not have a link, then the count-to-infinity problem will not occur, as there is no potential for a routing loop. However, if the two nodes do have a link and the cost of the link is decreased, then there is the potential for a routing loop, and the count-to-infinity problem could occur.
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develop sql code that would create the database files corresponding to your relational schema for the healthone medical database project. write the sql statements for creating the tables, specifying data types and field lengths, establishing primary keys and foreign keys, and implementing other constraints you identified.
Select New Database from the context menu by right-clicking Databases. Enter a database name in New Database. Select OK to establish the database using all default values; otherwise, carry out the ensuing optional procedures. Select (...) to choose a different owner to alter the owner name.
What SQL code that would create the database files?Launch MySQL Workbench in administrator mode (Right-click, Run as Admin). To construct the database schema, select File>Create Schema. Click Apply after providing the schema with a name.
Expand the Databases' node in Object Explorer before expanding the database that houses the new table. Right-click your database's Tables node in Object Explorer, and then select New Table.
Therefore, To execute the SQL command that creates the schema, click Apply in the Apply SQL Script to Database window.
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What makes some websites more trustworthy than others?
sheryl is explaining the osi model to new technicians at her company. she is trying to explain what protocols operate at the various layers of the osi model. at what layer of the osi model does tcp operate?
The Transport layer of the OSI model operates the TCP protocol. Correct answer: letter A.
The Transport layer of the OSI model is responsible for providing reliable end-to-end communication between two hosts. So, it is responsible for ensuring delivery, data sequencing and error control.
What does the OSI model consist of?
The OSI model consists of seven layers:
Physical Layer: Responsible for transmitting raw data bits over physical medium such as cables, radio waves, etc.Data Link Layer: Responsible for formatting and transmitting data frames, which are packets of data that have an address header and trailer attached.Network Layer: Responsible for managing and routing data packets from one network to another.Transport Layer: Responsible for reliable end-to-end delivery of data packets.Session Layer: Responsible for establishing, managing, and terminating communication sessions between two or more computers.Presentation Layer: Responsible for translating, encrypting, and compressing data so that it can be sent across the network.Application Layer: Responsible for providing services to end users, such as web browsing and file transfer.Sheryl is explaining the OSI model to new technicians at her company. She is trying to explain what protocols operate at the various layers of the OSI model. At what layer of the OSI model does TCP operate?
A. Transport
B. Application
C. Network
D. Data link
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What is the correct port number that should be used with the winscp or cyberduck secure file transfer program?.
The correct port number that should be used with the WinSCP or Cyberduck secure file transfer program is 22.
What is a file transfer program?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 level of software, identifies a particular process or kind of network service within an operating system. Thre are more than 800 ports.
Therefore, WinSCP or Cyberduck secure file transfer programs should be used with port number 22, which is the correct one to use.
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Enter a function in cell H12 based on the payment and loan details that calculates the amount of cumulative principal paid on the first payment. Be sure to use the appropriate absolute, relative, or mixed cell references. All results should be formatted as positive numbers. Enter a reference to the remaining balance of payment 1 in cell B13. Use the fill handle to copy the functions created in the prior steps down to complete the amortization table. Expand the width of columns D:H as needed.
It is to be noted that what Microsoft Excel is to calculate here is "Cumulative Principal" The formula for doing this for the first payment is given as =CUMPRINC(rate, nper, pv, start_period, end_period, type).
How will the above be used to achieve the given prompt?The formula for calculating the cumulative principal paid on the first payment is as follows:
=CUMPRINC(B5/12,B6,B4,1,1,0)
To enter this formula into cell H12, type "=CUMPRINC(B5/12,B6,B4,1,1,0)" without the quotation marks.
To reference the remaining balance of payment 1 in cell B13, type "=B12-H12" without quotation marks.
To use the fill handle to copy the functions down to complete the amortization table, select cells H12 and B13, then hover the cursor over the bottom-right corner of the selected cells until the fill handle appears.
Click and drag the fill handle down to the last row of the amortization table. The functions will be automatically copied down and applied to each row of the table.
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Crisha is configuring File History for the first time on her computer. She attaches an external hard drive and onfigures it as the drive for File History. Vhich of the following is most likely to occur in this scenario? a. Trisha will have to specify a folder that is not at the root of the drive for backup. b. Backup data will be added to the free space on the hard drive. c. The hard drive will be formatted before being used by File History d. Any files on the hard drive will be overwritten by backup files and folders.
Tap Search after sliding in from the right edge of the screen. In the search box, File History settings. Choose the network or external device you want to use by selecting Select a drive. Activate File History.
The $OF contains files whose pathnames are too long to be kept on your backup device, according to this answer on answer.microsoft.com. Additionally, File History is still the program Microsoft advises using for file backups even though Backup and Restore is a feature of Windows 10 itself. In stark contrast to Backup and Restore, File History's main function is to enable you to back up individual files rather than producing a full system image.
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Which type of loop is best in each situation? : you know ahead of time how many passes you wish to make through a loop. : you do not know ahead of time how many passes you wish to make through a loop.
In first situation, we will use "for loop" while in second situation we will use "While loop".
What is Loop in programming?
A loop is a software program or script that repeatedly executes the same instructions or processes the same data until it is told to stop. A loop, if not handled properly, can cause the computer to slow down as it becomes overburdened with repeating the same steps in an endless loop.
For Loop Syntax:
The for statement establishes a loop with three optional expressions:
for (expression 1o1; expression 2o2; expression 3o3) {
// code block to be executed
}
While Loop Syntax:
while ( condition ) {
/*....while loop body ....*/
}
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uppose the cache access time is 10ns, main memory access time is 200ns, the hard drive access time is 10ms, the tlb hit rate is 98%, the cache hit rate is 95% and the page fault rate is 0.001%. assuming non-overlapped access, what is the average access time for the processor to access an item
The average access time for the processor to access an item is 19.5.
What is average access time?Average access time is defined as a standard statistic for evaluating the performance of computer memory systems. Access time is the amount of time it takes for an electronic system to respond to a request and provide the needed data.
Main memory access time = 200 ns
Cache access time = 10 ns
Hit ratio = 0.95
Average access time
= 0.95 x 10 + ( 1 - 0.95 ) x 200
= 9.5 + 0.05 x 200
= 9.5 + 10
= 19.5
Thus, the average access time for the processor to access an item is 19.5.
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a list is sorted in ascending order if it is empty or each item except the last one is less than or equal to its successor. define a predicate issorted that expects a list as an argument and returns true if the list is sorted, or returns false otherwise.
Python program to know if a list is sorted . Output and code image attached.
Python Codedef isSorted(lst2):
for p in range(len(lst2)):
for z in range(p,len(lst2)):
#Return false if an item is less than or equal to its successor
if lst2[p]>lst2[z]:
return False
return True
if __name__ == '__main__':
# define variableslist = [int() for ind0 in range(5)]
ans = str
# insert numbers into the listprint("Enter 5 numbers: ")
for d in range(5):
list[d] = int(input())
# call function to determine if the list is sortedans = isSorted(list)
if (ans):
print("Yes")
else:
print("No")
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exercise 4. (problem: finding two points nearest to each other) objective: write a program thatfinds two points in plane with minimum distance between them. here is a test case for the input:
To find two points in place with minimum distance between there here is a test case for the input return Math.sqrt(Math.pow((p1.getX() - p2.getX()), 2)+Math.pow((p1.getY() - p2.getY()), 2));
//Java program
import java.util.Scanner;
class Point{
private double x,y;
public Point() {
x=0.0;
y=0.0;
}
public Point(double _x , double _y) {
x=_x;
y=_y;
}
public double getX() {
return x;
}
public double getY() {
return y;
}
}
public class Nearest {
public static void main(String args[]) {
int count;
Scanner in = new Scanner(System.in);
System.out.print("Enter number of points : ");
count = in.nextInt();
Point point[] = new Point[count];
Point p1=point[0],p2=point[0];
double x,y;
double min = Double.MAX_VALUE;
double dist=0.0;
System.out.println("Enter points");
for(int i=0;i<count;i++) {
System.out.print("Enter x : ");
x = in.nextDouble();
System.out.print("Enter y : ");
y = in.nextDouble();
point[i] = new Point(x,y);
}
for(int i=0;i<count;i++) {
for(int j=i+1;j<count;j++) {
dist = distance(point[i],point[j]);
if(dist<min) {
p1=point[i];
p2 = point[j];
min=dist;
}
}
}
System.out.println("Point with minimum distance \n");
System.out.println("point1 x: "+p1.getX()+" y : "+p1.getY());
System.out.println("point2 x: "+p2.getX()+" y : "+p2.getY());
in.close();
}
public static double distance(Point p1 ,Point p2) {
return Math.sqrt(Math.pow((p1.getX() - p2.getX()), 2)+Math.pow((p1.getY() - p2.getY()), 2));
}
}
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A network analyst is setting up a wireless access point for a home office in a remote, rural location. The requirement is that users need to connect to the access point securely but do not want to have to remember passwords. Which of the following should the network analyst enable to meet the requirement?
1. MAC address filtering
2. 802.1X
3. Captive portal
4. WPS
Since the network analyst is setting up a wireless access point for a home office in a remote, rural location. The option that the network analyst should enable to meet the requirement is option 1. MAC address filtering.
Why is MAC filtering used by people?A person can be able to stop traffic originating from particular recognized machines or devices using MAC address filtering. The router uses the MAC address of a computer or other networked device to recognize it and decide whether to allow or deny access.
Therefore, as a network analyst, the use of MAC filtering is one that is located in the settings under Advanced Settings, Security, Access Control, or a section that is similar to these. The precise location will depend on the router's brand. There are two filtering options available for you to select from.
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Assume you have two lists named list1 and list2 that are of the same length. Create a dictionary in which the elements of list1 are the keys and the elements of list2 are the values. For example, the dictionary will have:an element in which list1[0] is the key and list2[0] is the value,an element in which list1[1] is the key and list2[1] is the value, and so on.
The solution to the above prompt with regard to the list named are:
A) dict1 = dict([(list1[i], list2[i]) for i in range(len(list1))])
B) dict1 = {}
for i in range(len(list1)) :
[Tab Key]dict1[list1[i]] = list2[i]
C)
dict1 = dict([(list1[i], list2[i]) for i in range(len(list2))])
What is a list in programming?A list or sequence is an abstract data type in computer science that contains a finite number of ordered items, where a given value may appear more than once.
The usage of lists is another programming method that will be helpful to our algorithm development because many algorithms need the manipulation of sets of data. Similar to a variable, a list—also known as an array—is a tool for data storage.
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A technician, Joe, has been tasked with assigning two IP addresses to WAN interfaces on connected routers. In order to conserve address space, which of the following subnet masks should Joe use for this subnet?A. /24B. /32C. /28D. /29E. /30E
The correct option is E. The following subnet that masks should Joe use for this subnet is /30.
An IP network can be logically divided into subnetworks or subnets. 1, 16 Subnetting is the process of splitting a network into two or more networks.
Similar most-significant bit groups are used in IP addresses to address computers that are on the same subnet. As a result, the network number or routing prefix and the rest field or host identity are logically separated into two fields in an IP address. A host or network interface can be identified by the remainder field.
The Classless Inter-Domain Routing (CIDR) notation allows the routing prefix to be represented as the network's primary address, followed by a slash (/), and the prefix's bit length at the end. To give one example, the prefix is 198.51.100.0/24.
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listen to exam instructions a user reports that she can't connect to a server on your network. you check the problem and find out that all users are having the same problem. what should you do next?
Note that where while listening to exam instructions a user reports that she can't connect to a server on your network. you check the problem and find out that all users are having the same problem. What you should do next is: "Determine what has changed" (Option B)
What is a network?A computer network is a collection of computers that share resources that are located on or provided by network nodes. To interact with one another, the computers employ standard communication protocols across digital linkages.
Local-area networks (LANs) and wide-area networks (WANs) are the two main network kinds (WANs). LANs connect computers and peripheral devices in a constrained physical space, such as a corporate office, laboratory, or college campus, using data-transmitting connections (wires, Ethernet cables, fiber optics, Wi-Fi).
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While listening to exam instructions a user reports that she can't connect to a server on your network. you check the problem and find out that all users are having the same problem. what should you do next?
What should you do next?
Create an action plan.Determine what has changed.Established the most probable cause.Identify the affected areas of the network.Which descriptions best fit a normalized table? Check all that apply.
a. flexible
b. complex
c. easy to maintain
d. difficult to update
e. contains repeated data
The descriptions best fit a normalized table is: "flexible" (Option A). Normalization is the process of structuring data in a database.
This comprises the creation of tables and the establishment of linkages between those tables in accordance with rules aimed to preserve the data while also making the database more adaptable by avoiding redundancy and inconsistent reliance.
What is a table in Database Management?Tables are database structures that hold all of the information in a database. Tables logically arrange data in a row-and-column structure comparable to spreadsheets.
Each row represents a distinct record, and each column represents a record field.
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nstall the ntp service and then verify that the ntp service is running. use the dnf package manager to install the ntp service. use the systemctl utility to verify that the ntp service is running.
It can be inferred that the above task will be executed in Linux because the systemctl utility command is a Linux utility used to manage the sytemd service and the service manager on Linux.
1) In order to install NTP Service first, execute the following command as sudo in order to update your local repository index: "$ sudo apt-get update"
2) Execute this command to install NTP Server daemon from APT database: "$ sudo apt-get install ntp"
3) Next, open the file in the nano editor as sudo by executing the following command: "$ sudo nano /etc/ntp.conf"
4) Restart the NTP Service using the following command line "$ sudo service ntp restart"
To check that the NTP Service is running, execute the following command: "$ sudo service ntp status"
What is an NTP Service and why is it important?The Network Time Protocol (NTP) is a service that allows system clocks to be synchronized (from desktops to servers). It is not only useful but also needed for many distributed applications to have synchronized clocks. As a result, if the time originates from an external server, the firewall rules must enable the NTP service.
The usage of authentication techniques in Network Time Protocol (NTP) is critical to preventing an attacker from manipulating time information. Such systems have been present for a long time, such as the Symmetric Key-based method and the Autokey approach.
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40 points to answer all four questions each in 2- 4 sentances minimum
1. What are some challenges that photographers face when trying to take a great image? What can they do to overcome these challenges?
2. What are some elements that separate good images from great images? How have you used these elements in your photography practice to create great images?
3. What purposes can photographers have for taking photographs? Select one purpose and describe a photograph that MOST LIKELY would be taken to meet that purpose.
4. In photography, what does it mean to capture images with your audience in mind? How have you taken photographs while keeping your audience in mind?
1. Some challenges that photographers face when trying to take a great image include:
Short Windows of Time for the Best Light · Capturing a Scene as it Appears to the Eye2. Some elements that separate good images from great images include:
Light.Subject.Composition3. The purposes that photographers have for taking photographs include:
Memorial.Communicative:Creative4. To capture images with your audience in mind simply means to have the emotions and feelings of the audience in mind.
What is photography about?Photographs are important in everyone's life because they connect us to our past and remind us of people, places, feelings, and stories from our past. They can assist us in determining who we are.
When we talk about capturing the moment in photography, we're really referring to the photo's feeling, emotion, vibe, or atmosphere. That comes from more than just the subjects or the surroundings; it also comes from the photographer.
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Assume you are an IT manager for a small- to medium-sized company. You are currently working on a new website and need someone to help develop your website. You need to place an ad for the position. Without listing the specific skills, state a name for the position and the minimum requirements for the position. Defend your answer with reasons why these are necessary minimum requirements.
Since You need to place an ad for the position. The position is Ad specialist, and the specific skills, is to have a good knowledge of marketing and ad making. The minimum requirements for the position is a BSC in advertising and media production or in marketing'
Who is a marketing expert?Creative concepts are transformed into advertising campaigns by advertising pros. They could specialize in advertising mediums like print, radio, television, and digital.
The daily management of paid digital marketing initiatives, including paid search, display, and social advertising strategies for B2B and B2C organization, is the responsibility of paid media specialists.
Most jobs are full-time or more. Sales representatives for advertising frequently put in extra hours. This profession has a dismal employment prognosis. The U.S. Bureau of Labor Statistics predicts a drop in employment through 2024.
Hence, People can prove they are experts in internet advertising by showing they have a Go ogle Ads certification and others.
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A network technician has been tasked with designing a WLAN for a small office. One of the requirements of this design is that it is capable of supporting HD video streaming to multiple devices.
Which of the following would be the appropriate wireless technology for this design?
A. 802.11g
B. 802.11ac
C. 802.11b
D. 802.11a
the receiver question 18 options: encodes the symbols to interpret the meaning of the message. transmits the symbols to interpret the meaning of the message. decodes the symbols to interpret the meaning of the message. responds to the symbols to interpret the meaning of the message. must ignore the symbols to interpret the meaning of the message.
A message is encoded by the sender, who then sends it. (3) The message is decoded by the receiver.
The process by which the receiver interprets the symbols used by the message's source is known as decoding. He is the recipient of the communication from the sender. Feedback: Feedback is any behavior by the recipient that shows he has heard and understood the sender's message. The process through which information is conveyed and comprehended by two or more individuals is referred to as communication. Effective communication is about conveying the sender's intended message. The receiver's job is to accurately translate the sender's message, both verbal and nonverbal, into their own language. Decoding is the process of understanding the message.
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Timothy works in the graphic arts department and has received approval to upgrade his video card. The card has arrived, and you are ready to begin the upgrade. To ensure your personal safety, which of the following should you do first.
Before handling any internal components, disconnect the computer and take the necessary anti-static procedures to safeguard your personal safety.
Regarding graphics
In order to inform, clarify, or amuse, graphics are graphic images or designs on a surface, including a wall, canvas, computer, newspaper, or stone. In modern usage, it refers to a visual visualization of data, such as that used in software for education and entertainment, design and manufacturing, typesetting, and the graphic arts. Computer graphics refers to images created by a computer. Graphics can be aesthetic or useful. The line between the two may become hazy if the latter is a documented form, such as a picture, or an analysis by a scientist to emphasize key characteristics.
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A company wants to create highly available datacenters. Which of the following will allow the company to continue to maintain an Internet presence at all sites in the event that a WAN circuit at one site goes down?
A. Load balancer
B. VRRP
C. OSPF
D. BGP
A company wants to create highly available datacenters. BGP will allow the company to continue to maintain an Internet presence at all sites in the event that a WAN circuit at one site goes down.
About BGPBGP (Border Gateway Protocol) is a type of routing protocol that functions to exchange information between Autonomous Systems (AS). This BGP is a Dynamic Routing and on the proxy itself there are several kinds of dynamic routing features other than BGP such as OSPF and RIP. To exchange information, BGP utilizes the TCP protocol so that there is no need to use other types of protocols to handle fragmentation, retransmission, acknowledgment and sequencing.
Characteristics Of BGP Using distance vector routing algorithm. Distance vector routing algorithm periodically copies the routing table from router to router. Changes to the routing table are updated between interconnected routers when a topology change occurs. Used between ISPs with ISPs and clients. Used to route internet traffic between autonomous systems. BGP is Path Vector routing protocol. In the process of determining the best routes, it always refers to the best and selected path that it gets from other BGP routers. BGP routers establish and maintain peer-to-peer connections using port number 179. Inter-peer connections are maintained using periodic keepalive signals. The metrics (attributes) for determining the best route are complex and can be modified flexibly. BGP has its own routing table which usually contains the routing prefixes it receives from other BGP routersLearn more about BGP at https://brainly.com/question/9257367.
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which methods are in the serializable interface. you may need to select more than one answer. group of answer choices readfrom read writeto write there are no methods in the serializable interface
The ObjectOutputStream and ObjectInputStream classes can perform this task using the writeObject and readObject methods; Serializable lacks these methods.
The ObjectOutputStream and ObjectInputStream classes can perform this task using the write Object and read Object methods; Serializable lacks these methods. Serializable is merely a marker interface; it doesn't call for any fields or methods; it simply sets a flag. A marker interface called Serializable merely informs JVM that a specific object is set to be serialized. Internally, the serialization process takes place.
interface that is serializable. No state from classes that don't implement this interface will be serialized or desterilized. A class that can be serialized has all of its subtypes be serializable. The only purpose of the serialization interface, which has no methods or fields, is to define the semantics of being serializable.
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Data visualization is best defined as the use of _____ to present _____ data in a way that's easy to understand.
Data visualization is best defined as the use of bar chart to present report data in a way that's easy to understand.
What is data visualization?The graphic display of information and data is known as data visualization. Data visualization tools offer a simple way to visualize and understand data by utilizing visual components like charts, graphs, and maps.
Hence, Data visualization is the study of data visualization, or data that has been abstracted in some schematic fashion and includes attributes or variables for the information units.
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Answer:
graphics; complex
Explanation:
I took the quiz
Which of the following is true regarding switched backbones?
Answers:
A. They place all network devices for one part of the building physically in the same room, often in a rack of equipment
B. They have an advantage of requiring less cable
C. They make it more difficult to move computers from one LAN to another
D. Network capacity is always tied to the physical location of the computers
E. They are harder to maintain and upgrade than a BN that is not rack-based
They place all network devices for one part of the building physically in the same room, often in a rack of equipment.
What is switched network?A computer network that uses only network switches, as opposed to Ethernet hubs on Ethernet networks, is referred to as a fully switched network.Switched Backbones are used in new construction, in the distribution layer, and occasionally in the core layer. They can be rack- or chassis-based. the numerous routers of other designs are replaced Backbone has fewer devices but more cables.Rack-Based Exchanged Backbones puts all network switch hardware in a single "rack" room. simple to upgrade and maintain. requires more cable, though this is typically a minor portion of the cost.switchable backbones based on a chassis Instead of using a rack, use a chassis switch that allows administrators to plug modules into it.To learn more about switched network refer :
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bookmark question for later a map of a database that shows tables and relationships is called what? erp erm relational mapping form schema
A map of a database that shows tables and relationships is called Schema.
What is database?A database is a structured collection of related data that has been systematically organized and is kept in a way that makes it simple to manage and update. It serves as the central repository for all data, comparable to a library's collection of books spanning a variety of genres. Imagine data as a library.
The data can be set up in a database in the form of a table with rows and columns. The data can be easily located and retrieved whenever necessary by indexing it. With the aid of databases, a large number of websites on the Internet are operated. Database handlers are used to build databases that allow users to access the data using just one set of software applications.
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under which two circumstances will a switch flood a frame out of every port except the port that the frame was received on?
Two circumstances that will switch flood frames from every port except the port on which the frame was received:
The frame has a broadcast address as the destination address. The destination address is not known by the switch.The switch will transfer the frames from the port the frames have been acquired on (where Host A is connected) to the port wherein the router is attached. Kind of visitors will a transfer flood out all ports are broadcast and multicast forwarding. Since broadcast packets should be received by all stations at the network, the switch will reap that goal by flooding broadcast packets out all ports besides the port that it was received on, since there's no need to send the packet back to the originating device. Because a switch by no means learns those addresses, it constantly floods the frames that have those addresses because a transfer by no means learns those addresses, it always floods the frames that have those addresses as the destination address.
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a server is configured for dynamic nat and has used all public ip addresses in the pool. what will the router do when another device wants to reach the outside network?
Port numbers are used by NAT overloading to identify each local host. Because of this, the method is also known as port address translation (PAT).
Therefore, the Standard Public IP address assigned to the NAT gateway will remain dedicated to it and cannot be used by another device unless you unassign or delete it. To convert a large number of unregistered IP addresses into a smaller number of registered ones, use dynamic NAT. With the aid of dynamic NAT, you are able to use a small number of registered addresses to connect to numerous hosts on the open Internet. After a certain amount of inactivity, the entry times out, and new translations can be made using the global IP address.
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