Implementing the appropriate controls and establishing policies for all system components is the responsibility of security engineering.
Making concessions is a necessary part of creating secure systems, much like in other technical fields. Any communication networks will be turned off, the system will be located in an electromagnetically insulated space with only authorized users having access to it, and only software that has undergone a rigorous audit will be used on a highly secure system. Most of our computer needs can't be met in that environment. We want to communicate with the world, download apps, and travel with our computers. Even with the extremely secure case, we still need to be worried about how access is controlled, who created the compilers and operating system, and whether authorized people can be forced to compromise the system.
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c. a new shopping mall has obtained an ipv4 network address, 205.72.16.0 /24. management of the shopping mall would like to create 6 subnets with each subnet serving 32 hosts. could it be done? demonstrate the reason with numbers. (10 points)
The broadcast address of the 16 subnet, where this host is located, is 23, and the range of acceptable hosts is 17–22.
This indicates that a "/16" leaves the final 16 bits (or final two integers) available for usage in specified addresses and a "/8" leaves the final 24 bits available for use. Here are all of the possible addresses for each, for further clarification: 10.0.0.0/24: contains ranges 10.0.0.1–10.0.0.254 (Can give the most recent number) Therefore, a device with the IP address 192.168.1.200/24 would belong to the same network. And because the subnet mask is /24, the full last octet—28 = 256 - 2 = 254 valid addresses—can be utilized to define the host machine.
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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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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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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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jesse, a professional graphic designer, has just installed a new application on his system, which needs a lot of memory for timely processing and high-quality images. jesse's computer has an integrated graphics card.
Since Jesse, is a professional graphic designer, The things that she needs are: The latest CPU, a lot of RAM as will fit into the system, as well as a high quality image editor.
What is the term for image quality?An image's resolution is seen as one that determines how much detail it has. Digital images, film images, and other sorts of images all fall under this umbrella phrase. Image detail is increased with "higher resolution." There are numerous ways to gauge image resolution.
Note that using computer software or by hand, graphic designers create visual designs to express ideas that move, educate, and enthrall people. For applications like commercials, brochures, magazines, and reports, they create the overall layout and production design.
Therefore, in the contezt of the question, High-resolution pictures have at least 300 pixel per inch (ppi). This resolution produces high-quality prints and is essentially necessary for everything you wish to print on paper, especially if it will be used to represent your brand or other significant printed items. So She need to go with this.
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if you need to confiscate a pc from a suspected attacker who does not work for your organization, what legal avenue is most appropriate?
The most appropriate legal avenue would be to contact law enforcement and file a criminal complaint. Depending on the jurisdiction, law enforcement may be able to obtain a warrant to seize the computer.
This is the most appropriate approach since it is the only way to ensure that the legal process is followed, and the computer can be used as evidence in a criminal case.
The importance of following due process when seizing a computer from an attacker not associated with the organizationIn the world of information technology, information theft and security breaches are increasingly common realities. As a result, many organizations have been forced to seize computers to recover information or to prevent future attacks. However, this action must be done in accordance with the law.
The seizure of a computer from an attacker not associated with the organization must follow the established legal process. This means that the organization must notify the police and file a criminal complaint. Depending on the jurisdiction, the police may obtain a court order to seize the computer.
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in the osi reference model complexities of communication are organized into successive layers of protocols: a. lower-level layers are more specific to medium, higher-level layers are more specific to application.
Answer:
todo
Explanation:
in the osi reference model complexities of communication are organized into
traffic intensity is a very useful measure of: group of answer choices whether the system is stable or not the distribution of interarrival times the number of customers in a system the amount of congestion in the system
All of the above-mentioned are accurate answers as traffic intensity is a measure of network traffic conditions . The distribution of interarrival times the number of customers, system stability, and system congestion are all measured by the traffic intensity.
In order to describe network congestion or other degraded network situations, the level of network traffic is gauged by traffic intensity. When determined, traffic intensity—also known as the traffic intensity factor—describes the state of a packet-switched network, such as one that carries TCP traffic.
The traffic intensity factor a relative measure, takes into account the average packet size, arrival rate, and available network transmission speeds. It can be calculated using the formula below:
The equation for the Traffic intensity factor is:
Traffic intensity factor = La/R
where a = average packet arrival rate; L = average packet size; R = transmission rate.
The Traffic Intensity Factor can be used to guide rate-limiting algorithms, error prediction, and probing for network delays.
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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.
Facility Amortization Table 4 Loan Details Payment Details 6 Payment 7 APR 8 Years 9 Pmts per Year 10 $4,972.00 3.25% Loan Periodic Rate # of Payments $275,000.00 0.271% 60 12 Beginning Payment Principal RemainingCumulative Cumulative Payment Number Interest Principal Balance Amount Interest PaidRepayment Balance $275,000.00 $4,972.00 ($89.89) 12 13 14 15 16 17 18 19 20 21 4 6 10 23 24 25 26 27 28 12 13 14 15 16 17
In order to execute the above task successfully on Microsoft Excel, that is, calculating the Cumulative Principal paid, you must use the CUMPRINC function in excel which is given as: =CUMPRINC(rate, nper, pv, start_period, end_period, type)
How does the CUMPRINC function work?It is to be noted that the CUMPRINC function employs the following logic:
Rate (necessary argument) - The interest rate per period.NPER (necessary argument) - The total number of payment periods required to repay the loan or investment.PV (mandatory parameter) - This is the loan/present investment's current value.Start_period (mandatory parameter) - The number of the beginning period to compute interest over. It must be an integer between 1 and the NPER given.End_period (mandatory parameter) - The final period over which interest should be calculated. It must be an integer ranging from 1 to the given NPER. Type (Mandatory parameter) - This defines when the payment will be made. It might be either 0 or 1. It is an integer that indicates whether the payment is made at the beginning of the period (0) or at the end of the period (1).In the above case,
Rate = 3.25%
NPER = 17
PV = $275,000
Start_Period = 1
End_Period is 60
Type = 0
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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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rq 12-4. what is a pre-requisite/co-requisite relationship of product maintenance and fix releases? g
When maintenance and fixes must be performed concurrently in order for a product to remain effective, this is known as a pre-requisite/co-requisite relationship.
Describe maintenance.
In terms of industrial, commercial, and residential installations, maintenance technically refers to functional inspections, servicing, repairing, or replacing necessary machinery, equipment, and investing in infrastructure. This has evolved over time to encompass varied language that describes different cost-effective maintenance procedures to keep equipment operating; these operations actually occur either before or after a failure. Maintenance is linked primarily to the product or technological system's usage phase, during which the maintainability idea must be taken into account. In this situation, maintainability is understood to be an object's ability to business produces under specified .
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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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Raphael does not know how to safely use a circular saw. Which is long-term consequence that could result?.
Being struck by fragments from the blade or material being cut poses a significant risk. The blade may projectiles if it is overly worn or damaged. The guard is either not present or is malfunctioning.
What long-term consequence of circular saw?One of the most crucial aspects of circular saw maintenance is using the appropriate blade for the operation. The incorrect blade could break during the cut if you use it.
Cutting wood too slowly enables the spinning blade to make prolonged contact with the wood. Burn marks are generated by heat accumulation and contact between the blade and the wood. Fortunately, the answer to this particular burning issue is simple.
Therefore, Additionally, employing the incorrect circular saw blade type makes the tool work harder than it has to.
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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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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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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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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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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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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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in addition to selecting the rule type and conditions, what else must you select when building a conditional formatting rule?
To choose the desired parameters to restrict the activities available in a form, use the Property Sheet.
Use Format Painter to swiftly apply the same formatting to numerous pieces of text or pictures, such as color, font style and size, or border style. Think of it as copying and pasting for formatting. With format painter, you can copy all of the formatting from one object and apply it to another. The DataEntry attribute can be used to determine whether a bound form only allows data entry when it opens. The Data Entry property only controls whether existing records are displayed; it does not affect whether new records can be added.
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what chage command should you enter at the command prompt to set the password for jsmith to expire after 60 days and give a warning 10 days before it expires?
chage -M 60 -W 10 jsmith Forces jsmith to keep the password 60 days before changing it and gives a warning 10 days before changing it.
Which command should you enter to establish a user account's expiration date?The "chage" command is used to edit the user's account's password expiration date. It allows you to change the expiration date's current status, set an expiration date to lock the account, toggle between active and passive status, and receive notifications days before the account expires.
What is the Linux chage command?The tool to "update user password expiry information" is what the chage command calls itself. The chage man page states: The chage command modifies the last password change date as well as the number of days between password updates.
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Lucinda i a freelance writer. She join a profeional network to help her get freelance project. What hould he include in her profile’ profeional headline?
An independent journalist who reports on stories of their own choice and then sells their work to the highest bidder is an example of a freelancer.
A professional network service is what?A professional network service is a sort of social network service that places more of an emphasis on relationships and interactions for business prospects and career progress than it does on activities for personal life.Professional networking entails proactively building and maintaining connections with people who can advance your career or personal brand. You can create fruitful connections through a variety of networking methods, such as applications and websites.An independent journalist who reports on stories of their own choice and then sells their work to the highest bidder is an example of a freelancer. Another illustration is a web designer or an app developer who only works on a project for a customer once before moving on to another one.To learn more about Professional network service refer to:
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write an assembly program that has a macro maximumthat finds the larger of two numbers inputted by the user
By converting combinations of mnemonics and syntax for operations and addressing modes into their numerical representations, an assembler program generates object code.
What is assembler program?The majority of the statements or instructions in assembly language are mnemonic processor instructions or data. It is created by compiling the source code of high-level languages like C and C++. Assembly Language aids in program optimization.
.586
.MODEL FLAT
INCLUDE io.h
.STACK 4096
.DATA
value1 DWORD ?
value2 DWORD ?
"Enter the initial number," prompt1 BYTE, 0
"Enter the second number," prompt2 BYTE, 0
string BYTE 40 DUP (?)
resultLbl BYTE "The maximum value you entered was:", 0
.CODE
_MainProc PROC
input prompt1, string, 40 ;get user input value1
atod string ;convert input (ASCII) to integer
mov ebx, eax
input prompt2, string, 40 ; repeat for value2
atod string
mov value2, eax
cmp eax, ebx ;compare user inputs
jg greater_than ;jump conditional if value 1 is greater then value 2
greater_than: ;condition if greater than ouput
dtoa value1, eax ;decimal to ASC for output of
integer value stored at ebx
output resultLbl, value1 ;output value 1
jmp exit
less_than: ;condition if less than ouput
dtoa value1, eax
output resultLbl, value2 ;else output value 2
jmp exit
exit: ;quit jump ;end if/else conditional
mov eax, 0 ;clear memory
mov ebx, 0
ret
_MainProc ENDP
END
assemblyx86
The complete question is
Simple assembly program to spit out the greater of two user input numbers. I am having trouble getting the output correct. Example if I entered 45 and 55, the maximum value would be 55, however when I try the reverse 55 and 45 (the answer should still be 55) I get 45. It would appear that this program only ever outputs the second value entered and stored at EAX. Any help is greatly appreciated.
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; Set up input/output
movlw 0x00
movwf TRISA
movlw 0x00
movwf TRISB
; Define MAXIMUM macro
MAXIMUM MACRO num1, num2
movf num1, W
subwf num2, W
btfsc STATUS, C
movf num2, W
movwf num1
ENDM
; Main program
main:
; Prompt user to enter first number
movlw 0x31
call putch
call getch
movwf num1
; Prompt user to enter second number
movlw 0x32
call putch
call getch
movwf num2
; Find and display larger number
MAXIMUM num1, num2
call putch
; Repeat
goto main
question 107the touch screen on a mobile device is not responding to input. which of the following is the best step to take to resolve this issue?
The number of televisions per capital is calculated by dividing the number of television sets by the total US population. In this case, we divide the 285 million television sets by the population of 298.4 million.
What is use of televisison?This gives a result of 0.9551 televisions per capita. Note that this method (dividing the number by the population) also is used for calculating the per capita of many other things like GDP.
In this case, we divide the 285 million television sets by the population of 298.4 million. This gives a result of 0.9551 televisions per capita.
Therefore, The number of televisions per capital is calculated by dividing the number of television sets by the total US population. In this case, we divide the 285 million television sets by the population of 298.4 million.
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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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what is the name of the autocad functionality that allows you to create objects that have specific relations to other objects in real time?
Object Snap Tracking is the name of the autocad functionality that allows you to create objects that have specific relations to other objects in real time.
What is AUTOCAD functionality?If we had to summarize what AutoCAD is, we might say that it is a CAD-type program focused on modeling and drawing in both 2D and 3D. With an almost infinite capacity to create all kinds of structures and objects, it enables the creation and modification of geometric models.
AutoCAD has expanded beyond its traditional use in the worlds of architecture and engineering to enter the worlds of graphic and interior design thanks to its versatility.
As of right now, AutoCAD offers a wide range of specialized auxiliary tools that cover all industrial sectors related to 2D design and 3D modeling.
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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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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.a query maintains your customer table once a user takes action (adding a new customer, updating a customer, or deleting a customer). your chief executive officer (ceo) wants a stored procedure to send an automated email to the customer from the ceo whenever one of these events occurs. which trigger would accomplish this?
A callable statement offers a way to run stored procedures in various DBMS systems using the same SQL syntax.
When a triggering event takes place, named database objects called triggers are implicitly fired. Run the trigger action either ahead of or following the triggering event. Although triggers and stored procedures are similar, how they are invoked makes a difference. An SQL string supplied to the EXEC command or a stored procedure can be run using this command. The complete command EXECUTE, which is equivalent to EXEC, is another option. When a specific event in the database happens, a stored procedure called a "TRIGGER" is automatically called.
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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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