1. Trình bày các mô hình mối đe dọa trong hệ thống viễn thông
Answers
Explanation:
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Related Questions
Peter has discovered that the junior administrator has done something to corrupt the firewall rules on one of the Linux machines. He decides to delete all of the rules and recreate them from scratch. What is the first command that Peter should run
Answers
Answer:
the first step Peter must take is to configure the default policies for each of the built-in chains to ACCEPT.
He can do this by running the following:
$ sudo iptables -P INPUT ACCEPT
$ sudo iptables -P FORWARD ACCEPT
$ sudo iptables -P OUTPUT ACCEPT
Explanation:
If he doesn't do this, he stands the risk of being locked out of the server through the SSH.
Having done the above, he can proceed to run the following commands:
$ sudo iptables -t nat -F
$ sudo iptables -t mangle -F
$ sudo iptables -F
$ sudo iptables -X
The above will effectively flush (-F), and delete all non-default chains (-X).
Cheers
Say you have a long string and you want to collect all of the letters within it without storing duplicates. What would be the most appropriate type to store the letters in?
a. a set
b. a list
c. the original string
d. a dictionary
Answers
A set because sets do not allow duplicated elements
How to use the AI System ?
Answers
ANSWER:
· New artificial intelligence systems are being developed to help teachers administer more effective testing that could uncover some of these often-hidden conditions. Once they can be properly identified, educators can tap into the resources available for a learning disability. Students can use AI to give reliable feedback.
Alexis received an email message from an unknown sender that included an attachment.
If she opens the attachment, what kind of malicious software might be activated, and what are the consequences?
Opening the attachment would release a worm, which would infect her system with a virus.
Opening the attachment would release a worm, which would infect her system with spyware.
Opening the attachment would release an active worm, which would infect her system with adware.
Opening the attachment would release a passive worm, which would infect her system with adware.
Answers
Answer:
Opening the attachment would release a worm, which would infect her system with a virus.
Answer: B. Opening the attachment would release a worm, which would infect her system with a virus.
Your location has been assigned the 172.149.254.0 /24 network. You are tasked with dividing the network into 13 subnets with the maximum number of hosts possible on each subnet.
Required:
a. What is the dotted decimal value for the subnet mask?
b. How many additional bits will you need to mask in the subnet mask?
Answers
Given:
Network IP address [tex]\bold{= 172.149.254.0 /24}[/tex]
Subnet numbers [tex]\bold{= 13}[/tex]
Calculating the borrow bits:
[tex]\to \bold{= ceil(\log_{2} 13) = 4 \ bits}[/tex]
a)
Calculating the dotted decimal value for the subnet mask:
[tex]\to \bold{11111111.11111111.11111111.00000000}\\\\\to \bold{255.255.255.240}\\\\[/tex]
b)
The additional bits which will be needed to mask the subnet mask that is = 4.
Learn more: brainly.com/question/2254014
Kirk (2019) states that the topic of color can be a minefield. The judgement involved with selecting the right amount of color for a particular application can be daunting. With regards to visualizations, there are different levers that can be adjusted to create the desired effects (Kirk, 2019). The levers are associated with the HSL (Hue, Saturation, Lightness) color cylinder. Select and elaborate on one of the following:
a. Color Hue Spectrum
b. Color Saturation Spectrum
c. Color Lightness Spectrum
Answers
Answer:
Explanation:
Answer:
Explanation:
Answer:
a
Explanation:
a. Color Hue Spectrum
what is the role of media in our society, and how can we become responsible consumers producers of news and information in the digital age?
Answers
1.Own your image, personal information and how these are used.Pay close attention to the 2.Terms of Use on apps and websites. ...
3.Obtain permissions when posting videos or 4.images of others on your networks. ...
Scrub your accounts. ...
5.Password diligence. ...
Spread love, not hate.
what is the best low end pc recording software
Answers
Explanation:
democreator
D3DGear
nvidia shadow play etc
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what are the programs in a computer
Answers
Answer:
Computer skills examples
Operating systems
Office suites
Presentation software
Spreadsheets
Accounting software
Explanation:
A program is a set of ordered operations for a computer to do in computing. The program in the modern computer described by John von Neumann in 1945 has a one-at-a-time series of instructions that the computer follows. Typically, the application is saved in a computer-accessible storage location.
advantages of computational skill
Answers
Explanation:
algorithmic thinking - developing a set of instructions or sequence of steps to solve a problem;
evaluation - ensuring a solution is fit-for-purpose;
decomposition - breaking a problem down into its component parts;
By Using the following schema, answer the following SQL queries and commands: Product(P_code.P_name, P_price, P_on_hand,vend_code) Vender(vend_code, vend_fname, vend_areacode, vend_phone) 1- find the venders names who sell products in TN-5 area and their names include "dan". 2- find the code, name and vender code of product that has price between 1500S and 2500S and the product that has price between 48005 and 5600S. 3- Find the name, and code of venders who had 5 microwaves that has price less than 3500S. 4- Find the phone numbers of venders who sell Televisions. 5- Delete the records of venders who their first name is 'smith'
Answers
Explanation:
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How can an IS managers keep up with the endless demand for more software to support new information systems
Answers
An IS manager can keep up with the endless demand for more software to support new information systems by thinking outside the box.
To think outside the box, the IS manager should try the following strategies:
Use predetermined application components that are operating on low-code or no-code platforms.Use better software-testing practices and tools that spread programming into small sprints.Engage in shift-left testing, which enables software-testing to be done at every phase of the development process.Involve product managers and business users at the beginning of software development, making them to drive innovation that satisfies their requirements.Finally, the IS manager can utilize AI and Machine Learning to speed up the development of required software, thereby enhancing its qualities and capabilities with reduced time and costs.Thus, the IS manager must realize that there are always solutions to every software problem outside the mainstream box.
Learn more about information systems here: https://brainly.com/question/1521627
1110011*110011 binary multiplication
Answers
122113420121
Explanation:
Answer:
110110101001
Explanation:
You have to multiply them normally and then add then in a binary manner..
Remember these are binary numbers ( 1+1=0,
1+0=1, 0+0=0)
If you are to enhance the ICT used by your teachers, how will ypu do it? Will you use the same ICT or will you modify how it was integrated?
Answers
To enhance the ICT (Information Communication Technology) used by teachers, I will modify how the ICT was integrated.
The modification of how ICT is integrated will change the culture that places teaching over technology. Then, teachers will be taught how to use ICT to:
improve learning so that teachers become learning facilitatorsmotivate learners by fostering learning autonomy, making students less dependent on the teacherengage the learners by creating collaborative learningdiminish content learning so that students learn to think, create, and communicate effectivelymake learning a lifetime culture enhance the learning environment so that teachers become collaborators and co-learners with students.Thus, I will enhance the ICT used by teachers by modifying its integration to achieve better results for both teachers and learners.
Learn more about the importance of ICT here: https://brainly.com/question/13724249
What’s cloud-based LinkedIn automation?
Answers
Answer:
Cloud based LinkedIn automation includes tools and software that run through the cloud-system and are not detectable by LinkedIn. Cloud based LinkedIn automation tools are becoming the favorite among B2B marketers and sales professionals as they are giving the desired outcomes without any effort.
You want to remind users of the acceptable usage policy that applies to all computer systems in your organization, so you decide to display a message after the user logs in. The full path and filename to the file you would edit is
Answers
Learn more:
user logs: brainly.com/question/7580165
Which one is the result of the output given by a compute
Answers
Answer:
Images.
Sound.
Hardcopy
…
Answer:
it can be anything like sound or pictures
Explanation:
In securing the client/server environment of an information system, a principal disadvantage of using a single level sign-on
password is the danger of creating a(n)
A
administrative bottleneck
B
trap door entry point
С
lock-out of valid users
D
Single point of failure
Answers
Answer:
C
Explanation:
In which tab will the user find the Cell Styles gallery?
Answers
Answer:
HOME TAB IS THE ANSWER ......Arrays are commonly used to store data items. Arrays can be managed in ways that fill, iterate over, add to, and delete items from the array. Why is it useful to store multiple pieces of information?
Answers
Answer:
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Explanation:
What is indirect program memory addressing? Explain the working of the following instructions?
a) JMP AX
b) JMP LIST[DX]
c) JMP NEAR PTR[DI+3]
Answers
The instructions operate as follows:
a)
JMP AX :
The JMP instruction is being used to execute an unconditional jump.AX is indeed the label's name. JMP AX codes are being used to transfer control of the flow program to the AX label.b)
JMP LIST:
The JMP command can be used to execute an unconditional jump, JMP LIST[DX] is the label's name. The JMP LIST[DX] program is being used to transfer control of its flow programs to the specified section. It is the segment to which the flow control is transmitted.c)
JMP NEAR PTR[DI+3]:
Unconditional jumps could be done with the JMP command as you'll see, the label is JMP NEAR PTR[DI+3]. It's being used to transmit flow control to a particular section, throughout this case [DI+3]. The close keyword indicates that perhaps the code segment would be in the line of code being nearby.Learn more:
brainly.com/question/20320915
7. Which control is used to display multiple records in List Form
a) Data Grid View b) Textbox c) Label d) Button
Answers
Answer:
I think a is correct answer.
Answer:
A
Explanation:
Consider a world named ‘Square World’. In this world a person can move only up,
down, left, right squares and only one square at a time. The squares are numbered. In
square number 3, there is our hero Yellow. His dream girl Pinky is in square number
16. There are bombs in the red squares and if someone goes there, he/she will be
busted! Yellow wants to see Pinky as quickly as possible and starts his journey from
square 3. Help him to find the shortest route. Which search technique will you use to
help Yellow? Demonstrate your idea by showing your simulation step by steps.
Answers
Answer:
Explanation:
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Why is computer important in modern life?
Answers
Answer
because in modern day life people need to use alot of their work and school stuff on computers
Write a method named lastIndexOf that accepts an array of integers and an * integer value as its parameters and returns the last index at which the * value occurs in the array. The method should return -1 if the value is not * found.
Answers
Answer:
The method is as follows:
public static int lastIndexOf(int [] numbers, int num){
int lastIndex = numbers[0];
for(int i =0; i<numbers.length;i+=num){
lastIndex = numbers[i];
}
return lastIndex;
}
Explanation:
This defines the method
public static int lastIndexOf(int [] numbers, int num){
This initializes the lastIndex to the first element of the array
int lastIndex = numbers[0];
This iterates through every "num" element of the array
for(int i =0; i<numbers.length;i+=num){
This gets the current index... until the last
lastIndex = numbers[i]; }
This returns the last
return lastIndex; }
PYTHON PROGRAMMING: At one college, the tuition for a full-time student is $8,000 per semester.
It has been announced that the tuition will increase by 3 percent each year for the next 5 years. Write a program with a loop that displays the projected semester tuition amount for the next 5 years. The program should print out the result in the form:
In 1 year, the tuition will be $8002.3.
In 2 years, the tuition will be $8103.2.In 3 years, …
In 4 years, …
In 5 years, …
(If, for example, the tuition would cost 8002.3 dollars in one year, etc.)
HERE'S WHAT I TRIED (wont show indentations here):
Semester_Fee = 8000.0
for x in range(1, 6):
Semester_Fee = Semester_Fee + (Semester_Fee *(3/(100*1.0)))
print("In",x,"year, the tuition will be" ,'$', Semester_Fee, end='.n')
BUT HERE'S WHAT IT SHOWED ME:
Expected Result:
In·1·year,·the·tuition·will·be·$8240.0.
In·2·years,·the·tuition·will·be·$8487.2.
In·3·years,·the·tuition·will·be·$8741.816.
In·4·years,·the·tuition·will·be·$9004.07048.
In·5·years,·the·tuition·will·be·$9274.192594400001.
Your Code's Actual Result:
In·1·year,·the·tuition·will·be·$·8240.0.
In·2·year,·the·tuition·will·be·$·8487.2.
In·3·year,·the·tuition·will·be·$·8741.816.
In·4·year,·the·tuition·will·be·$·9004.07048.
In·5·year,·the·tuition·will·be·$·9274.1925944.
Answers
Answer:
Try :
Semester_Fee = 8000.0
for x in range(1, 6):
import decimal
Semester_Fee = Semester_Fee + Semester_Fee *(3/(100*1.0))
if x==1:
print("In",x,"year, the tuition will be" ,'$', Semester_Fee, end='.')
else:
print("In",x,"years, the tuition will be" ,'$', Semester_Fee, end='.')
Bộ lọc số FIR là bộ lọc có số đặc điểm nào sau đây
Answers
Explain in English Then I can help you
write the full form of E-mail?
Answers
Answer:
Electronic Mail. This is your answer.
What triggers a LinkedIn account ban?
Answers
Answer:
Before we dig into using advanced LinkedIn automation tools, it’s important to understand what activities can trigger LinkedIn to ban your account?
Using multiple LinkedIn tools at the same timeUsing Low-quality LinkedIn ToolsSending Connect Requests BlindlySending Templates Messageswho is considered as the father of computer science?
Answers
Charles Babbage is known as father of computer science because he designed the original programmable computer .
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