The type of record that DNS creates automatically to resolve the FQDN of an NS record is a PTR record. However, if there is a need to create an alias for the NS record, a CNAME record can also be used.
To resolve the FQDN (Fully Qualified Domain Name) of an NS (Name Server) record, DNS (Domain Name System) automatically creates a "glue record" (also known as a "host record"). This glue record contains the necessary A or AAAA record, which maps the NS record's domain name to an IP address, ensuring proper resolution.
The glue records are used to provide additional information to resolve DNS queries by providing IP addresses for authoritative DNS servers.
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puung.
f. Differentiate between second and third Generation Computer
IG ANSWER QUESTIONS
Answer:
Second generation computers were based on transistors, essentially the same as first generation computers, but with the transistors replacing the vacuum tubes / thermionic valves.
Third generation computers used printed circuit boards to replace much of the wiring between the transistors. This had the advantage that components could be mass produced, reducing the number of errors because of incorrect wiring and making the component boards replacable.
Explanation:
hope it is helpful to you
what is ur favorte star wars person?
Answer:
Hi, mi favorite is Darth Vader maybe °-°
Answer:
This is hard because there are SOOOO many from comics, movies, video games, and shows.
I'm gonna go with commander wolfe or captain rex. And yes wolfe is spelled like that.
Explanation:
Standard web design is:
Question 4 options:
Single media
Bi-media
Multimedia
Media free
Answer: Multimedia
Explanation:
I just took the test
How can you use the Address Book to address an email message? Use the drop-down menus to complete the sentences. 1. Type an email contact in the To bar and choose from the options. 2. Click in the ribbon to open the Global Address List.
Answer:
1. AutoCorrect
2. Address book
Explanation:
stan bts ?
Answer:
1. auto correct
2. address book
Explanation:
For a new version of processor, suppose the capacitive load remains, how much more energy will the processor consume if we increase voltage by 20% and increase clock rate by 20%?
Answer:
The answer is below
Explanation:
The amount of power dissipated by a processor is given by the formula:
P = fCV²
Where f = clock rate, C = capacitance and V = Voltage
For the old version of processor with a clock rate of f, capacitance C and voltage of V, the power dissipated is:
P(old) = fCV²
For the new version of processor with a clock rate of 20% increase = (100% + 20%)f = 1.2f, capacitance is the same = C and voltage of 20% increase = 1.2V, the power dissipated is:
P(new) = 1.2f × C × (1.2V)² = 1.2f × C × 1.44V² =1.728fCV² = 1.728 × Power dissipated by old processor
Hence, the new processor is 1.728 times (72.8% more) the power of the old processor
How do I fix Windows Cannot be installed in this partition?
You have UEFI disabled if the setup program informs you that you cannot install Windows 10 on the disk because it is in GPT format.
The fix is to enter BIOS (by hitting F1 or F10–F12 during startup, depending on your computer model), then locate the UEFI option. The system-reserved partition is damaged, which leads to this error. Notice that the reserved system partition is a space set aside for BitLocker encryption and Windows recovery. But, in theory, a machine with BIOS firmware can be set up to boot from a GPT disk and vice versa. MBR drives are often booted from BIOS, hence the BIOS firmware and MBR disks are connected.
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Which securities protect data through processes, procedures,decisions,and user pernissions. Determines where and how data can be shared or stored
Answer:
Data can be stored on storage devices.
Explanation:
Network security, Application security and information security are the securities that protect data. Data can be stored on storage devices such as hard disk drives, solid state drives, external hard drives, USB flash drives and SD cards etc. Hard disk drives, floppy disks and tapes store data magnetically. The data can be stored with a device that spins the disk with magnetic coatings and heads has the ability to read and write information in the form of magnetic patterns.
computers work by executing lists of instructions. sometimes, computers need to run multiple lists of instructions at the same time. what is another name for the instructions?
Another name for the instructions that computers execute is "code."
What is a code and what is it made up of?Code consists of a series of commands or operations that the computer follows to perform a specific task.
When multiple lists of instructions or code need to be run simultaneously, the computer uses a technique called "multithreading" or "concurrency."
This involves splitting the code into smaller units of work, known as "threads," and executing them concurrently. Multithreading allows a computer to utilize its resources efficiently and increase the speed of execution for complex tasks.
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write the definition of the function delete vector duplicates() that passes an stl vector of type int. the function deletes all duplicates. assumption: the vector has at least two elements.
The function delete_vector_duplicates() that passes an STL vector of type int is,the function uses the sort() function to sort the vector in ascending order, the unique() function to remove consecutive duplicates, and the erase() function to remove the remaining elements from the unique iterator to the end of the vector.
What is the implementation of the function delete_vector_duplicates() for an STL vector of type int in C++?
The definition of the function delete_vector_duplicates() that passes an STL vector of type int is as follows:
`void delete_vector_duplicates(std::vector& vec)`
This function takes a reference to an STL vector of integers (vec) and deletes all duplicate elements. The steps to implement this function are:
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What nomenclature will I use to denote the mass of a component in a given stream? Note: the T
2
symbol in the text editing options allows you to write a superscript. It has a down arrow to the right, click this and then select T
2
for subscript.
The mass of a component in a given stream is commonly represented as m[sub]2[/sub].
In the field of process engineering, it is common to use specific notations to represent different variables and parameters. When referring to the mass of a component in a given stream, the standard notation is to use the symbol m[sub]2[/sub]. The subscript "2" denotes the specific component being referred to within the stream.
This notation helps to distinguish and identify the mass of individual components in a system where multiple substances may be present. By utilizing this convention, engineers and researchers can accurately represent and analyze the mass flow rates and compositions of various components in a stream.
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What behavior do elements in a stack follow?
Answer:
last in, first out, or LIFO behavior
Explanation:
B
Need ASAP
A customer uses the computer to store lots of pictures, family videos, and movies. What does this
customer need to consider when selecting a hard drive?
hurry please
Where is the error, if any, in the following program? Assume numA and numB have values. Also assume the indenting is correct.
if numA = numB: # line 1
numX = numA # line 2
elif numA > numB: # line 3
numX = B # line 4
line 1
line 3
line 2
line 4
Answer:
Line 1
Explanation:
Just took the assignment. Have a good one!
Answer:
line 1
Explanation:
Select the correct answer from each drop-down menu.
Complete the sentence about uses of spreadsheets.
Two of the most common uses of spreadsheets are to _____ data and _____ data.
First blank
1. Create new
2. Search for
3. Store available
Second blank
1.Sort
2. Classify
3. Download
Two of the most common uses of spreadsheets are to create new data and classify data. Thus, the correct options for this question are A and B respectively.
What are the uses of Spreadsheet?The uses of spreadsheets are as follows:
It is used to collect and store data that is systematically organized.It authorizes users in order to make calculations with the stored data.Spreadsheets are also used to make charts and graphs.It actively supports users in data sifting and cleanup.According to the context of this question, apart from the above top uses of spreadsheets, there are other various uses that can be delivered by this platform to the user that make their professional work more efficient, organized, and attractive.
Therefore, the most common uses of spreadsheets are to create new data and classify data. Thus, the correct options for this question are A and B respectively.
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____________________ is the sending of a stream of data (usually audio and video) to multiple computers simultaneously.
Multicasting is the sending of a stream of data (usually audio and video) to multiple computers simultaneously.
Multicasting is a method of data transmission that allows a single sender to transmit data to multiple recipients on a network. In multicasting, data is transmitted to a specific group of recipients, rather than being sent individually to each recipient, as is the case with unicast transmissions. This method of transmission is particularly useful for streaming audio and video content, as it allows for the efficient distribution of large amounts of data to multiple recipients.
In contrast to multicasting, broadcasting sends data to all devices on a network, regardless of whether they have requested the data or not. This can lead to issues with network congestion and inefficiency, particularly when large amounts of data are being transmitted. Multicasting, on the other hand, allows for more efficient use of network resources, as data is only transmitted to devices that have expressed an interest in receiving the data.
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The negotiation process involves several steps such as: preparing for negotiation; knowing your walk-away point; and working towards a common goal.
Answer:
TRUE
Explanation:
Negotiation may be defined as the process or a method with the help of which people try to settle their differences or they try to come to a conclusion in a matter of differences. Here an agreement or a compromise is reached without any dispute and arguments. It is a skill.
It involves preparing for the negotiation with other person, understanding and knowing when one needs to walk out of the negotiation process to avoid arguments and working towards the common goal of achieving an agreement.
Therefore, the answer is true.
a network engineer is plugging in new patch cables and wants to prevent inadvertent disruptions to the network while doing so. what will the engineer prevent if spanning tree protocol (stp) is configured on the switche
According to the IEEE's 802.1d standard, the spanning tree protocol is a networking standard.
According to the IEEE's 802.1d standard, the spanning tree protocol is a networking standard. If there are redundant network links, the aim of spanning tree is to avoid loops in the LAN and to choose the quickest network links. If a network link fails, Spanning Tree will failover to the backup link, if one is available.
You are on the right road if this seems like what a routing protocol accomplishes. At Layer 3, routing protocols assist devices in navigating between WAN networks (preventing loops, using alternative routes, etc.).
Given that Spanning Tree performs the same tasks, but for an Ethernet network and without attention to IP addresses, it may be referred to as a Layer 2 routing protocol for a LAN. Spanning Tree serves some similar purposes for the data-link layer even though it is not an IP routing protocol.
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Which statement is most likely to be true of a self-driving vehicle rated at
automation level 2 (partial automation)?
A. The vehicle is mostly controlled by artificial intelligence.
B. The vehicle is completely controlled by a computer.
C. The driver's seat does not need to be occupied.
D. The vehicle may use artificial intelligence to stay in the correct
lane.
Answer:
i would select D.
Explanation:
during a mail merge what item aer merged
Answer: The mail merge process involves taking information from one document, known as the data source.
Explanation:
log(10×
\(log(10x4 \sqrt{10)} \)
draw block diagram of the computer system
How many seconds long is the longest sound in the world?
What is the best CPU you can put inside a Dell Precision T3500?
And what would be the best graphics card you could put with this CPU?
Answer:
Whatever fits
Explanation:
If an intel i9 or a Ryzen 9 fits, use that. 3090's are very big, so try adding a 3060-3080.
Hope this helps!
(01.01 LC)
Programmers perform which of the following tasks?
Build and maintain network connections
O Create web and mobile applications
O Design graphics for websites
Repair computers and servers
Answer:
Create web and mobile applacations
Explanation:
Programmers primarily build and maintain software applications, including web and mobile applications.
What is software?Programmers typically work with software, which is a collection of instructions and programmes that instruct a computer or other electronic device on what to do.
They create, test, and maintain software applications for desktops, mobile devices, and the web using programming languages such as Java, Python, and C++.
Programmers create and maintain software applications, such as web and mobile applications.
They may also design the application's user interface and user experience, but they are not typically in charge of designing graphics for websites.
Furthermore, while programmers may be involved in troubleshooting and resolving issues related to the software application they have created, they are not typically in charge of repairing hardware such as computers and servers.
Thus, the correct answer is "Build and maintain network connections".
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Write a program to test if a double input from the keyboard is equal to the double 12.345. If the input is equal to 12.345, print "YES" (without the quotes).
Sample run 1:
Please enter a double:
54.321
Sample run 2:
Please enter a double:
12.345
YES
They use the knowledge of computational language in python it is possible to write a code write a program to test if a double input from the keyboard is equal to the double 12.345.
Writting the code:#include <stdlib.h>
#include <iostream>
#include <vector>
#include <exception>
#include <string>
const char *PROMPT = "Feed me: ";
const int MAXITEMS = 3;
std::string insultarr[] = {
"Wrong!",
"Can't you get it right?",
"You suck!",
"Sigh...I can get better answers from a toad...",
"OK...Now I'm worried about you"
};
std::vector<std::string> insult(insultarr, insultarr+4);
struct ooopsy: std::exception {
const char* what() const _NOEXCEPT { return "Doh!\n"; };
};
class Average {
public:
Average() : runningSum(0.0), numItems(0) {
}
void insertValue(int i1) {
runningSum += static_cast<double>(i1);
numItems++;
}
void insertValue(double i1) {
runningSum += i1;
numItems++;
}
void getInput() {
std::string lineInput;
char *endp;
ooopsy myBad;
bool first = true;
// Show your teacher you can use iterators!!!!!!
std::vector<std::string>::iterator insultItr =
insult.begin();
for (;;) {
if (first) {
first = false;
} else {
if (insultItr != insult.end())
std::cout << *(insultItr++) << std::endl;
else {
std::cout << "No soup for you!" << std::endl;
throw myBad;
}
}
std::cout << PROMPT;
std::cin >> lineInput;
int value = strtol(lineInput.c_str(), &endp, 10);
if (errno == EINVAL || errno == ERANGE || *endp != '\0') {
errno = 0;
double dvalue = strtod(lineInput.c_str(), &endp);
if (errno == ERANGE || *endp != '\0') {
continue;
}
insertValue(dvalue);
return;
} else {
insertValue(value);
return;
}
}
}
// Show your teacher you are super smart and won't need to
// store intermediate data in an array or vector and use a
// running average!!!!!
double calculateRealAve() {
if (numItems == 0)
return 0.0;
else
return runningSum / numItems;
}
private:
double runningSum;
int numItems;
};
int main(int argc, char** argv) {
Average* ave = new Average();
for (int i = 0; i < MAXITEMS; i++) {
ave->getInput();
}
std::cout << ave->calculateRealAve() << std::endl;
}
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does trend in computing important for organization management?
Answer:
yes it is...................
Which of the following is used in data URL phishing? A. Prepending. B. Typosquatting. C. Pretexting. D. Domain hijacking.
A. Prepending, which is used in data URL phishing.
Data URL phishing is a technique where an attacker manipulates a URL to deceive a user into providing sensitive information. In this method, the attacker appends or "prepends" a fake web page or login form in front of a legitimate URL. This is done to make the malicious URL appear genuine, tricking the user into providing their credentials or other sensitive information.
Typosquatting, also known as URL hijacking, is a technique where the attacker registers a domain name that is similar to a popular, well-known website, often with a typo. Users who mistakenly type the incorrect URL can land on a fake site, where they may be tricked into entering personal information or downloading malicious software.
Pretexting is a form of social engineering where an attacker impersonates a trusted individual or organization to obtain sensitive information or access. It often involves manipulating the victim into providing information, like passwords or financial data, by pretending to need it for a legitimate reason.
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Among the options you provided, the technique that can be used in data URL phishing is "B. Typosquatting."
What is Typosquatting?Typosquatting is the act of registering domain names that bear a close resemblance to legitimate or popular ones but with minor spelling mistakes.
Attackers can utilize typosquatting methods to generate data URLs that resemble authentic websites within the realm of data URL phishing.
To deceive users, they could create a domain name that resembles a popular website, such as "g 0 0 g le . com" instead of "g o og le . com," and construct a data URL that appears authentic to the original site. There is a possibility that unsuspecting users may be deceived into clicking on a fraudulent data link, rendering them vulnerable to phishing attacks or the downloading of dangerous material.
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write a program to read the courses.csv file and create an in-memory array of objects of the course class.
An example code snippet in Python to read the courses.csv file and create an in-memory array of objects of the course class:
```
import csv
class Course:
def __init__(self, code, name, instructor):
self.code = code
self.name = name
self.instructor = instructor
# create an empty list to store the course objects
courses_list = []
# read the courses.csv file and create course objects
with open('courses.csv', newline='') as csvfile:
reader = csv.reader(csvfile)
next(reader) # skip the header row
for row in reader:
code, name, instructor = row
course = Course(code, name, instructor)
courses_list.append(cNowse)
# now you have an in-memory array of course objects in the courses_list variable
```
In this program, we define a Course class with three attributes: code, name, and instructor. We then create an empty list to store the course objects. We read the courses.csv file using the csv module and loop through each row, creating a Course object for each row and appending it to the courses_list. Finally, we have an in-memory array of course objects in the courses_list variable that we can use in our program.
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Question: 1
A special kind of firmware that runs programs strictly to start up the computer is called the:
motherboard
BIOS
CPU
GPU
Answer:
BIOS, it is the only type of firmware that is there.
Write a single shell script which uses grep to get the following information from judgeHSPC05.txt:
How many lines start with a period (.) followed by an asterisk (*)?
To write a shell script that uses grep to count the number of lines starting with a period (.) followed by an asterisk (*) in the file judgeHSPC05.txt, follow these steps:
1. Create a new shell script file, e.g., count_lines.sh, and open it in a text editor.
2. Add the following line to the script:
```bash
grep -c '^\.\*' judgeHSPC05.txt
```
This command uses grep to search for lines that start with a period (.) followed by an asterisk (*) in judgeHSPC05.txt. The `^` indicates the start of a line, the `\.` matches a period (escaped with a backslash because a period has a special meaning in regular expressions), and the `\*` matches an asterisk (also escaped with a backslash). The `-c` flag tells grep to output the count of matching lines.
3. Save and close the script file.
4. Make the script executable by running:
```bash
chmod +x count_lines.sh
```
5. Run the script:
```bash
./count_lines.sh
```
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You play guitar and keep two files on your computer. One file, called strings, lists the different brands of strings you keep on hand. Another file, called music, lists the music books and scores you own. When you enter the command paste strings music, what happens
Answer is given below
Explanation:
when performing in computer and we have two files on the computer first one is string and another one is the music list so when we enter the command paste strings music than there will they display side by side on the screen.and on the left side of lists the string in screen and the right side is columns list the music book