One tool that can be used to scan for devices on a network, fingerprint the operating system, and detect versions of services on open ports is Nmap.
Nmap (Network Mapper) is a powerful open-source network scanning tool that is commonly used for reconnaissance and security auditing. It allows users to discover hosts and services on a computer network by sending packets and analyzing their responses. With Nmap, one can perform various tasks such as host discovery, port scanning, operating system detection, and version detection of services running on open ports.
Nmap utilizes a combination of techniques, including TCP/IP stack fingerprinting, to determine the operating system of a target host. By analyzing the responses received from different ports, Nmap can match the characteristics to its extensive database of known operating system fingerprints.
Furthermore, Nmap can also detect versions of services running on open ports by sending specific probes and analyzing the responses. This information can be crucial for understanding the vulnerabilities and potential security risks associated with the network devices and services.
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What is a disadvantage of online information sharing
Answer:
See below.
Explanation:
A disadvantage could be how easy it is to spread false information. The internet is a great place to find information on news, sports, and other topics. However, it is incredibly easy for people to make up and spread information that is untrue. Even some news articles can be untrustworthy. Which is why it's important to do your own research.
Which code will allow Jean to print Coding rocks! on the screen?
print("Coding rocks!")
print(Coding rocks!)
print = (Coding rocks!)
print = Coding rocks.
Answer:
The correct answer is:
Option 1: print("Coding rocks!")
Explanation:
Coding Rocks! is a string and when the string has to be printed directly using print function it is written in quotation marks.
In the given options,
The first option is correct as the syntax of print is correct and the string is written in quotation marks.
In the other options, either the syntax is not correct or the quotation marks are missing.
Hence,
The correct answer is:
Option 1: print("Coding rocks!")
Answer:
print("Coding rocks!")
Explanation:
As you can see, the other options either have wrong syntax, or will not run.
Therefore the first one will be the correct answer.
Write a program that creates a two-dimensional list named lengths and stores the following data:
20 15 16
15 16 15
16 15 16
The program should also print the list.
Answer:
Explanation:
Following is the python code of your question:
lengths = [
[20, 15, 16],
[15, 16, 15],
[16, 15, 16]
]
print(lengths)
Following is the C code of your question:
#include <stdio.h>
int main() {
int lengths[3][3] = {
{20, 15, 16},
{15, 16, 15},
{16, 15, 16}
};
// Printing the array of named lengths
for (int i = 0; i < 3; i++) {
for (int j = 0; j < 3; j++) {
printf("%d ", lengths[i][j]);
}
printf("\n");
}
return 0;
}
Suppose you want to find pages that contain the word German but not the word Shepherd. Which search would achieve? German OR Shepherd "German Shepherd" German -Shepherd "German" + "Shepherd"
Answer:
The correct answer is C) "German -Shepherd"
Explanation:
Computerized have evolved to allow for the combination or contrasting or various words.
This is made possible using Boolean Logical Operators such as AND, OR and NOT. Using any of the terms above translates to the presence of a search strategy.
In some search engines, the symbol "+" symbol is used instead of the operator "AND". In other cases, the symbol "-" is used instead of "NOT".
The effect achieved is that "German -Shepherd" excludes the word "Shepherd" from the results.
Cheers!
Answer:
C
Explanation:
Express the following numbers in decimal: (a) * (10110. 0101) 2 (b) * (16. 5) 16 (c) * (26. 24) 8 (d) (dada. B) 16 (e) (1010. 1101) 2
Answer:
(a) To convert from binary to decimal, we can use the formula:
decimal = a_0 * 2^0 + a_1 * 2^1 + a_2 * 2^2 + ... + a_n * 2^n
where a_i is the i-th digit of the binary number.
Using this formula, we can convert (10110.0101)2 to decimal as follows:
(10110.0101)2 = 1 * 2^4 + 0 * 2^3 + 1 * 2^2 + 1 * 2^1 + 0 * 2^0 + 0 * 2^-1 + 1 * 2^-2 + 0 * 2^-3 + 1 * 2^-4
= 22.3125
Therefore, (10110.0101)2 = 22.3125 in decimal.
(b) To convert from hexadecimal to decimal, we can use the formula:
decimal = a_0 * 16^0 + a_1 * 16^1 + a_2 * 16^2 + ... + a_n * 16^n
where a_i is the i-th digit of the hexadecimal number.
Using this formula, we can convert (16.5)16 to decimal as follows:
(16.5)16 = 1 * 16^1 + 6 * 16^0 + 5 * 16^-1
= 22.5
Therefore, (16.5)16 = 22.5 in decimal.
(c) To convert from octal to decimal, we can use the formula:
decimal = a_0 * 8^0 + a_1 * 8^1 + a_2 * 8^2 + ... + a_n * 8^n
where a_i is the i-th digit of the octal number.
Using this formula, we can convert (26.24)8 to decimal as follows:
(26.24)8 = 2 * 8^1 + 6 * 8^0 + 2 * 8^-1 + 4 * 8^-2
= 22.375
Therefore, (26.24)8 = 22.375 in decimal.
(d) To convert from hexadecimal to decimal, we can use the formula:
decimal = a_0 * 16^0 + a_1 * 16
^1 + a_2 * 16^2 + ... + a_n * 16^n
where a_i is the i-th digit of the hexadecimal number.
Using this formula, we can convert (dada.B)16 to decimal as follows:
(dada.B)16 = 13 * 16^3 + 10 * 16^2 + 13 * 16^1 + 10 * 16^0 + 11 * 16^-1
= 56090.6875
Therefore, (dada.B)16 = 56090.6875 in decimal.
(e) To convert from binary to decimal, we can use the formula:
decimal = a_0 * 2^0 + a_1 * 2^1 + a_2 * 2^2 + ... + a_n * 2^n
where a_i is the i-th digit of the binary number.
Using this formula, we can convert (1010.1101)2 to decimal as follows:
(1010.1101)2 = 1 * 2^3 + 0 * 2^2 + 1 * 2^1 + 0 * 2^0 + 1 * 2^-1 + 1 * 2^-3
= 10.8125
Therefore, (1010.1101)2 = 10.8125 in decimal.
Write an algorithm and draw flowchart to print 30 terms in the following sequence
1,-2,3,-4,5,-6,7,-8,...........................up to 30 terms.
Answer:
/*
I don't know what language you're using, so I'll write it in javascript which is usually legible enough.
*/
console.log(buildSequence(30));
function buildSequence(maxVal){
maxVal = Math.abs(maxVal);
var n, list = [];
for(n = 1; n < maxVal; n++){
/*
to check for odd numbers, we only need to know if the last bit
is a 1 or 0:
*/
if(n & 1){ // <-- note the binary &, as opposed to the logical &&
list[list.length] = n;
}else{
list[list.length] = -n;
}
}
return list.implode(',');
}
A number is said to be Automorphic number if its square ends in the same digits as the number itself.e.g. 5 and 25 appear at the end of their squares 25 and 625 respectively. Hence, they are automorphic numbers. Write a program to accept a number. Pass it to a function that returns the
same number of digits from its square as many digits are available in the argument. Finally display a message whether the number is an automorphic number or not.
Answer:
Sure, here's the code:
```
def automorphic(num):
square = str(num**2)
if square[-len(str(num)):] == str(num):
return True
else:
return False
num = int(input("Enter a number: "))
if automorphic(num):
print(num, "is an automorphic number")
else:
print(num, "is not an automorphic number")
```
In this code, we define a function `automorphic` that takes in a number `num`, computes its square and checks if the last `n` digits of the square match the original number `num`, where `n` is the number of digits in `num`. If the last `n` digits match, then the function returns `True`, indicating that `num` is an automorphic number. Otherwise, it returns `False`.
We then accept a number from the user using `input`, pass it to the `automorphic` function and display an appropriate message based on the result.
Company B is setting up commercial printing services on their network. Which of these are advantages of centrally managed commercial printers? Check all that apply.
Answer:
Centralized management of printing activities, allowing administrators to manage all print devices using a network.
Explanation:
The advantages of centrally managed commercial printers are:
Printers can be easily created and deployed in virtual sessions such as Citrix or VMwareCentralized management of printing activities, allowing administrators to manage all print devices using a network.Reduces the number of printer related issues thereby increasing productivity.It provides a way of keeping record those who are printing and what have been printerAll print related jobs can be easily managed from a central controlled network.Increased security as a print server allows you to total control over who can print what and where High availability and redundancy due to pooling of printers Easily customize printer profileWhich X software package is designed to be a more streamlined and easier to use replacement for the X Window System
The X software package that is designed to be a more streamlined and easier to use replacement for the X Window System is called; Wayland
Linux Operating SystemIn Linux, the X Window System is a windowing system designed primarily for graphics workstations that was developed at MIT with adequate aid from DEC.
Now, this X Window System is based on a client/server model whereby a networked computer or workstation runs an X server while the client programs that run on connected workstations request their services from the server.This means that the server will handle the input and output devices and also generate the graphical displays that are used by the clients.
Now, an x software package that is an easier to use replacement for the X Window System is called Wayland.This is because Wayland is easier to develop and maintain and as such GNOME and KDE are expected to be ported to it.
Furthermore, Wayland is a very good protocol for a compositor to talk to its clients.
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What are some characteristic features of the Double Data Rate 2 Synchronous Dynamic Random-Access Memory (DDR2 SDRAM)
Double Data Rate 2 Synchronous Dynamic Random-Access Memory (DDR2 SDRAM) is an advanced version of SDRAM, which supports faster data transfer rates.
It was developed to increase the performance and efficiency of computer systems. Here are some of its characteristic features:1. Improved data transfer rateDDR2 SDRAM is capable of transferring data twice per clock cycle, which means it has double the data transfer rate of its predecessor, DDR SDRAM.
The DDR2 SDRAM standard can transfer data at a maximum rate of 5.3 Gbps, which is much faster than DDR SDRAM.2. Lower power consumptionDDR2 SDRAM is designed to operate at lower voltages than DDR SDRAM. It has a voltage requirement of 1.8 volts.
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assume the employee table has 6 records, and the department table has 4 records. the following sql statement produces
The given SQL statement produces a Cartesian product or cross join between the Employee table and the Department table, resulting in 24 records (6 records * 4 records).
A Cartesian product or cross join combines each row from one table with every row from another table, resulting in a combination of all possible pairs of rows. In the given scenario, the Employee table has 6 records, and the Department table has 4 records. When the Cartesian product is performed between these two tables, each record from the Employee table will be paired with every record from the Department table.
Since there are 6 records in the Employee table and 4 records in the Department table, the resulting Cartesian product will have a total of 6 * 4 = 24 records. Each record will represent a combination of an employee and a department.
It's important to note that Cartesian products can result in a large number of records, especially when the tables involved have a significant number of rows. Care should be taken when using Cartesian products to avoid unintended consequences and ensure that the result is as intended.
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I am getting two expected errors on this code for the bottom two “public static void” lines. Can someone tell me how I can fix it? Thanks
Answer:
Declare variable b in both lines
i.e. int b
Explanation:
In the given code, the parameters of both functions were not properly declared.
When listing the parameters, the data type must be clearly stated for all parameters (individually)
In the declaration of both functions, only variable a is declared as integer while b is undeclared.
So, the correction is to declare b as integer
Define a function InspectVals() with no parameters that reads integers from input until integer -1 is read. The function returns true if all of the integers read before -1 are in the range 9000 to 10000 inclusive, otherwise, returns false.Ex: If the input is 9500 10030 -1, then the output is:
To define the function InspectVals() with no parameters, you can follow these steps:
1. Start by creating the function InspectVals() without any parameters.
2. Inside the function, initialize a variable called validRange to True. This variable will keep track of whether all the integers read before -1 are within the range of 9000 to 10000 (inclusive).
3. Use a while loop to continuously read integers from the input until -1 is encountered.
4. For each integer read, check if it falls within the range of 9000 to 10000 (inclusive).
- If the integer is within the range, continue to the next iteration of the loop.
- If the integer is outside the range, set validRange to False and break out of the loop.
5. After the loop finishes, return the value of validRange.
6. The function InspectVals() should now return True if all the integers read before -1 are within the range of 9000 to 10000 (inclusive), and `False` otherwise.
Here's an example implementation of the function `InspectVals()` in Python:
python
def InspectVals():
validRange = True
while True:
num = int(input())
if num == -1:
break
if num < 9000 or num > 10000:
validRange = False
break
return validRange
This function prompts the user to input integers until -1 is entered. It checks each integer to see if it falls within the range of 9000 to 10000 (inclusive). If any integer is outside this range, the function returns False. Otherwise, if all the integers are within the range, the function returns True.
For example, if the input is 9500 10030 -1, the function will return True since both 9500 and 10030 are within the specified range.
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state five benefits of digitizing data
Answer:
Ahorro de espacio físico. ...
Protección de los datos. ...
Gestión del tiempo en la consulta de datos. ...
Mejora de la productividad. ...
Responsabilidad social corporativa. ...
Acceso a la información a través de distintos dispositivos tecnológicos.
Explanation:
Answer:
Save money.
Save time.
Enhance collaboration.
Explanation:
write a few lines of code or pseudocode that takes a string of zeros and ones and produces the run-length encoding. do not use a prewritten function - please write your own program g
The approach that takes a string of zeros and one and produces run-length encoding is given below:
Choose the very first letter of the source string. Then,add the chosen character to the string's final destination. Now, add the count to the destination string after counting the character's subsequent occurrences. If the string's end isn't reached, choose the next character and repeat steps 2, 3, and 4.
def encode(message):
encoded_message = ""
i = 0
while (i <= len(message)-1):
count = 1
ch = message[i]
j = i
while (j < len(message)-1):
if (message[j] == message[j+1]):
count = count+1
j = j+1
else:
break
encoded_message=encoded_message+str(count)+ch
i = j+1
return encoded_message
#input the value
encoded_message=encode("11003300")
print(encoded_message)
Output:
21202320
In other words, a single data value describing the repeated block and how many times it appears in the image is kept for sequences that display redundant material using the lossless compression technique known as run-length encoding (RLE). This data can be used to precisely rebuild the image later on during decompression.
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What is a main idea of using the SYN cookie as a defense against the SYN flood attack?[Choose one answer which fits best.]A. Store sequence numbers and use them to validate client's responseB. Encrypt the TCP packetsC. Do not store sequence numbers until receiving ACK from the clientD. Add the data integrity mechanism
The main idea of using the SYN cookie as a defense against the SYN flood attack is to not store sequence numbers until receiving ACK from the client. This is option C: " Do not store sequence numbers until receiving ACK from the client".
The SYN cookie is a technique used to prevent SYN flood attacks, which are a type of denial-of-service (DoS) attack. By not storing sequence numbers until receiving an ACK from the client, the server can protect itself against the SYN flood attack, which attempts to overload the server by sending a large number of SYN requests without completing the TCP handshake. This technique helps to prevent the server from becoming overwhelmed and unable to handle legitimate requests.
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what kind of script is used to run code on the client
Answer: JavaScript. What kind of script is used to run code on the client
You develop and deploy an azure app service web app. The web app access azure sql database data that is secured with an azure active directory (azure ad) conditional access policy. The applied policy controls access based on the network location of the user. You need to update the web app code to respond to conditional access challenges. What should you use?.
You should use Azure Active Directory Authentication Library (ADAL) to respond to Azure Active Directory (Azure AD) conditional access challenges in your Azure App Service Web App. ADAL is a client library for authentication with Azure AD and helps with handling authentication challenges and securely accessing the Azure SQL database.
Azure Active Directory Authentication Library (ADAL) is a development library that provides a simplified authentication experience for developers who want to authenticate users in their applications. Azure Active Directory Authentication Library (ADAL) is a library used for adding authentication to applications that communicate with Azure Active Directory (AD). It provides a simplified authentication experience for developers and helps to secure access to web applications, including Single Sign-On (SSO) and Multi-Factor Authentication (MFA). ADAL helps developers authenticate users against Azure AD and obtain tokens for securing API calls.
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All _______ that store more than one piece of data
Answer:All data structure that store more than one piece of data
.
Explanation:
Which of the following statements correctly describes the traveling salesmen problem?
C - The traveling so smitten algorithm is a classic algorithm
Which of the following algorithms has the smallest time complexity?
D- binary search
Which of the following describes the meaning of ease of implementation?
B- a measurement of the technical difficulty, and the time required to implement an algorithm
Which of the following explains different types of efficiency?
B- space complexity refers to the amount of memory used. Time complexity refers to the amount of time needed.
Which of the following is a true statement about correctness?
A-correctness can be shown through formal logic
The correct statements are C - The traveling salesman problem is a classic problem in computer science.
D - Binary search has the smallest time complexity among the given algorithms.B - Ease of implementation is a measurement of the technical difficulty and time required to implement an algorithm.What is the salesmen problem?The traveling salesman problem is a well-known problem in computer science. The traveling salesman problem (TSP) is a problem in computer science and math that many people know about.
Therefore, one can say that this problem is about finding the quickest way for a salesman to visit several cities and come back to where they started.
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The term __________ is often used in relation to the hardware of computers
Answer;
Software
Explanation;
The term hardware refers to the physical components of the computer system (as opposed to the software**). ... The primary component of the computer is the motherboard (also called the main circuit board, main logic board, mainboard, or systemboard).
**
Opposite of hardware, which describes the physical aspects of a computer, software is a generic term used to refer to applications, scripts and programs that run on a device. Software can be thought of as the variable part of a computer, and hardware the invariable part.
operation as an institute of electrical and electronics engineers (ieee) 802.11ac device occurs only in the 5 gigahertz (ghz) unlicensed national information infrastructure (u-nii) radio band, so how are 802.11ac devices able to maintain compatibility with earlier standards that operate in the 2.4 ghz industrial, scientific, and medical (ism) radio bands?
To maintain compatibility with earlier standards that operate in the 2.4 GHz Industrial, Scientific, and Medical (ISM) radio bands, 802.11ac devices use dual-band wireless capability.
This means that they can operate in both the 2.4 GHz and 5 GHz bands, allowing them to work with earlier standards in the 2.4 GHz band while also being able to take advantage of the higher speeds available in the 5 GHz band.
About radio bandsThe IEEE 802.11ac standard is an improvement to the previous IEEE 802.11n standard, and it uses the 5 GHz U-NII band instead of the 2.4 GHz ISM band. The 5 GHz band provides several advantages over the 2.4 GHz band, including more channels and less interference from other devices like microwaves and cordless phones.
However, some devices still operate in the 2.4 GHz band, so 802.11ac devices need to be able to work with them as well. To accomplish this, 802.11ac devices include dual-band wireless capability, which allows them to operate in both the 2.4 GHz and 5 GHz bands.
This way, they can communicate with devices that only support the 2.4 GHz band while still taking advantage of the higher speeds available in the 5 GHz band.
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Dominick is responsible for security at a medium-sized insurance company. He is very concerned about detecting intrusions. The IDS he has purchased states that he must have an IDS on each network segment. What type of IDS is this
The type of IDS that Dominick has purchased is a network-based IDS (NIDS).
A NIDS is an intrusion detection system that monitors network traffic for suspicious activity and identifies potential security threats. It does this by analyzing the contents of network packets and comparing them against known attack signatures or behavior patterns. A NIDS can be deployed at strategic locations within a network to monitor traffic on multiple network segments and provide a centralized view of network activity.
In Dominick's case, the IDS vendor has specified that he needs to deploy an IDS on each network segment, which indicates that the IDS is a NIDS. This would allow him to monitor all network traffic on each segment and detect any suspicious activity or potential security threats.
Other types of IDS include host-based IDS (HIDS), which is installed on individual computers or servers and monitors system activity, and application-based IDS (AIDS), which monitors specific applications or services for security violations.
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pls help ASAP!! will give brainliest
Answer:
a is the CPU
b is the ram
c is the mother board
d is the power supply
e is the hard drive
Explanation:
a is the brain of the computer it directs things
b is the temporary storage
c the mother board processes things
d this gives the computer power
e is the long storage
Ken has discovered that a vice president of his company has been using his computer to send data about a new product to a competitor. Ken has identified an email from the vice president and has tracked the information to the person at the other company. Ken has archived the evidence that proves the data has been sent. What should Ken do next?a. Report the person through proper channels.b. Approach the VP and ask him about the email.c. Ignore the email
o show data values on your pivot chart you need to add:
A.
Data values
B.
Data labels
C.
Data names
D.
Data series
The answer to the question is B. Data labels. Data labels are used to add data values to a chart.
To show data values on your pivot chart you need to add data labels. Here is an explanation on how to add data labels to your pivot chart:To add data labels, you can follow these steps:
1. Choose the chart type that you want to create.
2. Click the Pivot Chart button in the Charts group on the Analyze tab under the PivotChart Tools contextual tab to create a pivot chart based on the pivot table.
3. Select a data series by clicking one of the bars or columns in the pivot chart.
4. Click the Add Chart Element button in the Chart Tools Design tab under the Chart Tools contextual tab to open a drop-down menu.
5. Choose the Data Labels option in the Labels group on the drop-down menu. The drop-down menu contains the None, Center, Inside End, Outside End, Best Fit, and More Data Label Options options.
6. Click the More Data Label Options option to open the Format Data Labels dialog box. This dialog box contains the following tabs: Label Options, Fill & Line, Shadow, Glow & Soft Edges, and Size & Properties.
7. Choose a format for the data labels.
8. Click the Close button to close the dialog box.
9. Review the pivot chart to verify that the data labels are displayed.
10. Save the pivot chart as a template for future use. This will help to avoid repeating these steps in the future.
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Which option best describes the purpose of the Design step?
A. To implement user feedback into the game
B. To add characters and other elements to the game
C. To plan the game's structure and artwork
D. To write the framework of the game's code
The option that best describes the purpose of the Design step is option C. To plan the game's structure and artwork
Why does design mean?It is the act of making a plan or drawing for something that will later be built, particularly one that specifies what the end product will do and look like, is the definition of design. The plan or sketch produced as a result of this activity is referred to as a design.
Note that It brings cutting-edge solutions to life based on what actual consumers feel, think, and do. Empathize, Define, Ideate, Prototype, and Test are the five main phases of this human-centered design approach. The fact that these steps are only a guide should not be overlooked. 3
Hence, the Steps in the Engineering Design Process are: Establish criteria and constraints. Consider alternative solutions. Choose an approach. Develop a design proposal. Create a model or prototype. Define the problem. Research ideas and explore possibilities for your engineering design project.
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i was scripting for my game design clas and i was just creating a story based game. its not really a question but could you guys (meaning fellow users) give it a go? not done yet tho..
file:///C:/Users/Gamer_x9/Downloads/A%20New%20Beginning.html
its not an adobe link that pulls another tab dw i would never
Answer: sure thing
Explanation:
How
would I change the user owner and group owner on the shadow file in
linux?
In order to change the user owner and group owner on the shadow file in Linux, you can use the `chown` command.
Here's how you can do it:
Open the terminal and type the following command: `sudo chown username:groupname /etc/shadow`.
Replace `username` with the desired user's username and `groupname` with the desired group's name.
For example, if you want to change the owner to user "john" and group "admin", the command would be `sudo chown john:admin /etc/shadow`.
Note: Be very careful when making changes to system files, as incorrect changes can cause serious issues. Always backup important files before making any changes.
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what's 3+3 and stop deleting my question i just wasted 41 points
Answer:
I am pretty confident that the answer is 6
Explanation:
3+3=6