how many channels were defined by the 802.11 standard?
Answers
The 802.11 standard defined a total of 14 channels in the 2.4 GHz band and 11 channels in the 5 GHz band for a total of 25 channels.
The 802.11 standard defined several channels. The original 802.11 standard defined 14 channels for use in the 2.4 GHz band. The channels have a width of 22 MHz each and are spaced 5 MHz apart, except for a 12 MHz spacing between channels 14 and 1 to prevent interference. The 802.11b amendment introduced an additional three channels in the same frequency range, for a total of 802.11 channels.Because of the limited number of channels available in the 2.4 GHz band, the 802.11a amendment introduced a new frequency range in the 5 GHz band, with each channel having a width of 20 MHz.
It defined a total of 8 non-overlapping channels, with room for four more channels if enough bandwidth is available. The 802.11n amendment improved the use of the 2.4 GHz and 5 GHz frequency ranges by using channel bonding, which allows two channels to be used together to create a 40 MHz wide channel. This effectively doubles the data rate, but also halves the number of channels available for use.In conclusion, the 802.11 standard defined a total of 14 channels in the 2.4 GHz band and 11 channels in the 5 GHz band for a total of 25 channels.
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The 802.11 standard defines 14 channels in the 2.4 GHz frequency band for Wi-Fi communication.
The 802.11 standard, also known as Wi-Fi, defines the protocols for wireless network communication. It specifies various aspects of wireless networking, including the number of channels available for communication.
In the 2.4 GHz frequency band, which is commonly used for Wi-Fi, the 802.11 standard defines 14 channels. These channels are used to transmit and receive data wirelessly between devices. However, it's important to note that not all countries allow the use of all 14 channels due to regulatory restrictions. Some countries may only allow the use of a subset of these channels.
In addition to the 2.4 GHz band, the 802.11 standard also defines channels in the 5 GHz frequency band. The number of channels in the 5 GHz band can vary depending on the specific country and regulatory domain. Typically, the number of channels in the 5 GHz band ranges from 24 to 200.
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Related Questions
Choose all items that represent features of the job application process.
Answers
Answer:we need some options or we can’t help you
Explanation:
Help me! How do I fix this (it’s from facebok)
Answers
Answer:
i would try emailing the company
Explanation:
How do you make the text bold?
Select one:
a. font-weight:bold;
b. font:bold;
c. style:bold;
Answers
Answer:
The correct answer is A. font-weight:bold;
Legacy mrp systems typically utilized multiple software packages and databases which caused:_____.
Answers
Legacy mrp systems typically utilized multiple software packages and databases which caused the same information to be save in multiple locations.
What is an MRP systems?Material requirements planning (MRP) is known to be a kind of a system that is often used in the calculation of some materials as well as the parts that is known to be needed to create or form a product.
It is one that is also known to be made up of three key steps such as taking inventory of the materials as well as the parts on hand, knowing which other ones are required and then keeping a schedule of their production or buying.
Therefore, Legacy mrp systems typically utilized multiple software packages and databases which caused the same information to be save in multiple locations.
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What is the maximum number of alphanumeric characters that a single SMS can have?
A.
140
B.
170
C.
160
D.
150
Answers
Answer:
160
Explanation:
your router currently has two acls: one list denies sap broadcasts and allows all other traffic. this list is applied to outbound traffic on serial0. the second list denies telnet traffic and allows all other traffic. this list is applied to inbound traffic on serial1. you also want to restrict all outbound traffic sent through serial0 from network 192.168.2.0/24. how should you configure acls on the router to meet all current and new requirements with as little effort as possible?
Answers
To meet the new requirement of restricting outbound traffic sent through serial0 from network 192.168.2.0/24, you should modify the first ACL to include a line that denies any traffic from that network.
This modified ACL should still allow all other traffic and should still be applied to outbound traffic on serial0. No changes need to be made to the second ACL, which is already applied to inbound traffic on serial1 and denies telnet traffic while allowing all other traffic. With these modifications, all current and new requirements will be met with minimal effort.
Your ACL configuration should look like this:
1. Extend the existing ACL for outbound traffic on Serial0:
```
ip access-list extended Outbound_ACL
deny udp any any eq sap
deny ip 192.168.2.0 0.0.0.255 any
permit ip any any
```
2. Apply the extended ACL to Serial0:
```
interface Serial0
ip access-group Outbound_ACL out
``
3. Keep the existing ACL for inbound traffic on Serial1:
```
interface Serial1
ip access-group Inbound_ACL in
``
By following these steps, you'll meet the current and new requirements while minimizing configuration changes.
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refers to the increasing accessibility of technology, allowing more people to access information, create content, and develop applications.refers to the increasing accessibility of technology, allowing more people to access information, create content, and develop applications.
Answers
Answer:
Democratization of technology
Explanation:
Democratization of technology refers to the increasing accessibility of technology. More people have better access to the tools needed to view content and create technology solutions of their own.
Answer:
democratization of technology: the increasing accessibility of technology, allowing more people to access and create content and applications
Explanation:
- Edge 2022
Create a secure password (10 points)
Ask the user how long they want their password to be, then return a randomized password that includes all the letters of the alphabets, capitalization, numbers, and special characters.
Answers
Answer:
python
Explanation:
import random
secret_length = input("how long you want the secret to be?\n")
secret_length = int(secret_length)
characters = r"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789$%^&*("
secret = ""
for i in range(secret_length):
secret = secret + random.choice(characters)
print(secret)
When declaring the data type for a multidimensional array of strings, which statement would be most appropriate?
Answers
Answer:
This question required option (See Explanation)
Explanation:
Required
How to declare 2D array
Using Java as a programming language of reference, the syntax to declare a 2D array is:
Data-Type [][] Array-Name = new Data-Type[Rows][Column]
From the question, the data type is String. So, the syntax becomes
String [][] Array-Name = new String[Rows][Column]
Assume the array name is: myArray; The above becomes
String [][] myArray= new String[Rows][Column]
I will not assume values for Rows and Column, but it is worth saying that Rows and Columns are positive integers greater than 1 to make the array a 2 D array
write python program to find sum(using while/loop): sum= 1+ 2+ 4+8+ 16+ 32+....1024
Answers
Answer:
i = 0
total = 0
while i <= 10:
total += pow(2, i)
i += 1
print(total)
Explanation:
When you look the equation, you would realize that it is the sum of the numbers that are 2 to the power of i where 0 <= i <= 10
Set i and total as 0
Create a while loop that iterates while i is smaller than or equal to 10. Add the 2 to the power of i to the total (cumulative sum). Note that we use pow() method to calculate the power. At the end of the loop, increment the i by 1. Otherwise the loop will be an infinite loop.
When the loop is done, print the total
the oppurtunity cost of earning an advanced college degree is that
Answers
You can use it to win arguments on the internet
Answer:
you like to say hi
Explanation:
new ppl are wihn
defination of user management
Answers
Answer:
User management (UM) is the effective management of users and their accounts, giving them access to various IT resources like devices, applications, systems, networks, SaaS services, storage systems and more
Explanation:
User management (UM) is the effective management of users and their accounts, giving them access to various IT resources like devices, applications, systems, networks, SaaS services, storage systems and more
design a combina2onal circuit for the following truth table. input are a,b, c and outputs are f1 and f2 a b c f1 f2 0 0 0 1 1 0 0 1 0 1 0 1 0 1 1 0 1 1 0 0 1 0 0 1 0 1 0 1 1 1 1 1 0 1 1 1 1 1 0 1
Answers
The circuit that uses the input values a, b, and c to produce the output values f1 and f2 can be designed using a Karnaugh map or a Boolean algebraic expression. The truth table for the input values a, b, and c and output values f1 and f2 are as follows: A B C F1 F2 0 0 0 1 1 0 0 1 0 1 0 1 0 1 1 0 1 1 0 0 1 0 0 1 0 1 0 1 1 1 1 1 0 1 1 1 1 1 0 1From the truth table, the Boolean algebraic expressions for f1 and f2 are as follows:f1= ~a.b.c + a.~b.~c + ~a.~b.c + ~a.b.~cf2= a.~b.~c + a.~b.c + ~a.b.~c + ~a.b.c. Therefore, the combinational circuit for the given truth table is designed as follows:
To design a combinational circuit for the given truth table with inputs a, b, and c and outputs f1, and f2, we can follow these steps:
1. Write down the truth table:
a b c | f1 f2
---------
0 0 0 | 1 1
0 0 1 | 0 1
0 1 0 | 1 1
0 1 1 | 0 0
1 0 0 | 1 1
1 0 1 | 0 1
1 1 0 | 1 0
1 1 1 | 0 1
2. Derive Boolean expressions for f1 and f2 using Sum-of-Products (SOP) or Product-of-Sums (POS) form:
f1 = a'b'c' + a'b(c)' + a(b')c' + a'(b)c
f2 = a'b'c' + a'b'c + a'b(c') + a(b')c'
3. Implement the circuit using AND, OR, and NOT gates:
For f1, use AND gates for each product term, then connect their outputs to an OR gate. Include inverters for a, b, or c as needed in each term.
For f2, similarly, use AND gates for each product term, then connect their outputs to an OR gate. Include inverters for a, b, or c as needed in each term.
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When using the routing information protocol (rip) to transfer data from one network to another, the path ____ is chosen.
Answers
Answer:
When using the routing information protocol (rip) to transfer data from one network to another, the path with the smallest number of hops is chosen.
true/false: when the fixed stream manipulator is set, the value specified by the setprecision manipulator will be the number of digits to appear after the decimal point.
Answers
The statement given "when the fixed stream manipulator is set, the value specified by the setprecision manipulator will be the number of digits to appear after the decimal point." is true because if the fixed stream manipulator is enabled, the setprecision manipulator will determine the number of digits to be displayed after the decimal point.
When the std::fixed stream manipulator is set, the number of digits specified by the std::setprecision manipulator will be the total number of digits to appear, including both the digits before and after the decimal point. The fixed manipulator tells the stream to use a fixed-point notation, which means that the number of digits after the decimal point is fixed, and the setprecision manipulator specifies the number of digits to use.
For example, if you set std::cout << std::fixed << std::setprecision(2) << 3.14159;, the output will be "3.14", with two digits after the decimal point.
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Ask the user to enter a sentence. If the sentence has any mention of dog, tell the user (once) Dogs are cute. If the sentence has any mention of taco, tell the user (once) Tacos are tasty. Change each mention of dog to puppy. Change each mention of taco to burrito. Print the new sentence. Capitalization matters! For example, if theres a mention of Dog (note where the capital letter is), it should be changed to Puppy (note where the capital letter is). You will only need to look for mentions of dog, Dog, taco, and Taco. The plural forms are allowed but the final output for dog / Dog will not be grammatically correct, and this is ok. See sample output.
Answers
Answer:
Theses puppies are so cute!
Theses burritos are so yummy!
Would you like a taste of this delicious taco dog?
Explanation:
there you go plz may i have a brainilist??
In cell C4, enter a formula that will calculate the number of shares that could have been purchased with $5,000 using the Open price of the stock on 10/3/2011. After you enter the formula, the answer in the Microsoft sheet will be a little over 200. If your answer is not close to 200, then you need to redo the formula.
Answers
By using the Open price of a stock in cell B4 in Excel and dividing $5,000 by that value, one can determine the number of shares that could have been bought back on 10/3/2011.
Why is this so?The formula to be utilized for this purpose is as follows: =5000/B4. For instance, if the stock's Open price was approximately $25, then the outcome from applying this equation would be about 200 shares.
Should your answer not be in proximity to the value of 200, it would be prudent to re-examine the formula and ensure that cell B4 contains the Open price of the stock.
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11.9 LAB: Vending machine
Given two integers as user inputs that represent the number of drinks to buy and the number of bottles to restock, create a VendingMachine object that performs the following operations:
Purchases input number of drinks
Restocks input number of bottles
Reports inventory
The VendingMachine is found in VendingMachine.java. A VendingMachine's initial inventory is 20 drinks.
Ex: If the input is:
5 2
the output is:
Inventory: 17 bottles
_______________________________________________________________
LabProgram.java
import java.util.Scanner;
public class LabProgram {
public static void main(String[] args) {
Scanner scnr = new Scanner(System.in);
/* Type your code here. */
}
}
______________________________________
VendingMachine.java
// simulates a simple vending machine with operations to purchase drinks and check inventory.
public class VendingMachine {
// number of bottle in stock
private int bottles;
// initial inventory is 20
public VendingMachine(){
bottles = 20;
}
public void purchase(int amount){
bottles = bottles - amount;
}
public int getInventory(){
return bottles;
}
public void restock(int amount){
bottles = bottles + amount;
}
public void report(){
System.out.println("Inventory: " + bottles + " bottles");
}
}
Answers
You can use the Scanner class to read the user inputs for the number of drinks and the number of bottles to restock. Then, you can create a VendingMachine object, call its purchase() and restock() methods with the user inputs, and finally call its report() method to display the current inventory.
Here's the updated code for LabProgram.java:import java.util.Scanner;
public class LabProgram {
public static void main(String[] args) {
Scanner scnr = new Scanner(System.in);
// Read user inputs
System.out.print("Enter number of drinks to buy: ");
int numDrinks = scnr.nextInt();
System.out.print("Enter number of bottles to restock: ");
int numBottles = scnr.nextInt();
// Create vending machine object
VendingMachine vm = new VendingMachine();
// Purchase drinks and restock bottles
vm.purchase(numDrinks);
vm.restock(numBottles);
// Report current inventory
vm.report();
}
}
When the program is run and the user enters "5 2" as input, the output will be:
Enter number of drinks to buy: 5
Enter number of bottles to restock: 2
Inventory: 17 bottles
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you need to compute the total salary amount for all employees in department 10. which group function will you use?
Answers
To compute the total salary amount for all employees in department 10, the group function that will be used is SUM().
SUM() is an SQL aggregate function that allows us to calculate the sum of numeric values. It is frequently used to compute the total sum of values, which is essential in financial applications that need to know the sum of values from tables.
SYNTAX:
SELECT SUM(column_name) FROM table_name WHERE condition;
Example: Suppose you have an employees table with different columns like employee_id, employee_name, salary, department_id, and so on. The following example demonstrates how to use SUM() to calculate the total salary of all employees in department 10: SELECT SUM(salary)FROM employees WHERE department_id = 10;
Output: It will output the sum of all salaries for employees in department 10.
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For ul elements nested within the nav element, set the list-style-type to none and set the line-height to 2em.
For all hypertext links in the document, set the font-color to ivory and set the text-decoration to none.
(CSS)
Answers
Using the knowledge in computational language in html it is possible to write a code that For ul elements nested within the nav element, set the list-style-type to none and set the line-height to 2em.
Writting the code:<!doctype html>
<html lang="en">
<head>
<!--
<meta charset="utf-8">
<title>Coding Challenge 2-2</title>
</head>
<body>
<header>
<h1>Sports Talk</h1>
</header>
<nav>
<h1>Top Ten Sports Websites</h1>
<ul>
</ul>
</nav>
<article>
<h1>Jenkins on Ice</h1>
<p>Retired NBA star Dennis Jenkins announced today that he has signed
a contract with Long Sleep to have his body frozen before death, to
be revived only when medical science has discovered a cure to the
aging process.</p>
always-entertaining Jenkins, 'I just want to return once they can give
me back my eternal youth.' [sic] Perhaps Jenkins is also hoping medical
science can cure his free-throw shooting - 47% and falling during his
last year in the league.</p>
<p>A reader tells us that Jenkins may not be aware that part of the
least-valuable asset.</p>
</article>
</body>
</html>
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How do use a search engine?
Answers
Answer:
You choose your search engine then you click the search bar and type what you want to know enter it and then click a website to visit
Explanation:
T/F : spread spectrum transmission in wireless lans provides security.
Answers
True, spread spectrum transmission in wireless LANs provides security :Spread spectrum transmission in wireless LANs provides security. Spread spectrum is a radio communication technology that involves spreading the radio signal across a wide frequency band.
A spread spectrum signal appears as random noise to anyone listening in on the channel, making it difficult for eavesdroppers to intercept and decode the signal.Moreover, Spread spectrum transmission in wireless LANs provides security in the sense that it's not susceptible to jamming. Jamming is a common form of attack on wireless networks, and it involves broadcasting noise or other interference on the wireless channel to disrupt communications.
However, Spread spectrum transmission is able to resist jamming attacks, allowing it to continue operating even in the presence of interference.
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what is full form COMPUTER????
Answers
Explanation:
The full form of the Computer is Common Operating Machine Purposely Used for Technological and Educational Research.
Explanation:
The computer full form of common opreating machine purposely used for technical educational research
I hope you helps:)
what would be the result of having a corrupt master boot record?
Answers
A corrupt master boot record (MBR) can cause various problems, including difficulty booting the operating system and the inability to access files.
This can occur if the MBR is infected with malware, damaged by a power outage, or has been overwritten by another program. When the MBR is compromised, the computer's BIOS may not be able to find the correct boot sector, which means that it won't be able to load the operating system. As a result, the computer will become unbootable. In some cases, it may be possible to repair the MBR using specialized software, but in other cases, the only solution may be to reinstall the operating system from scratch. In general, it is recommended to regularly back up important files and ensure that the computer's antivirus software is up to date to prevent corruption of the MBR or other system files.
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What is your favorite comedy show?
Answers
Answer:
Saturday Night Live or The Tonight Show
Explanation:
Which devices are managed through device management?
Device management is the process of managing devices.
NEED ANSWER ASAP PLS HELP
Answers
computers and Mobile phones ( including game consoles and tablets) are managed through device management
Explanation:
Device management includes a type of security software used to monitor,secure and manage systems such as mobile phones computer laptops and desktops, Tablets and smart televisions as well as Game consoles. It as well involves the management,operation and maintenance of the physical aspect of the systems from external threats/intruders
Anti virus software is an example of a device management software used to protect systems from malware, by detecting and removing them and also by preventing them.
Firewall is a complete device management tool because it detects and prevents intruders and virus from penetrating the system software
List 4 differences between qualitative and quantitative data.
Answers
Answer:
Quantitative data is information about quantities, and therefore numbers, and qualitative data is descriptive, and regards phenomenon which can be observed but not measured, such as language.
Explanation:
Quantitative research is expressed in numbers and graphs. It is used to test or confirm theories and assumptions. This type of research can be used to establish generalizable facts about a topic.
Common quantitative methods include experiments, observations recorded as numbers, and surveys with closed-ended questions.
Qualitative research is expressed in words. It is used to understand concepts, thoughts or experiences. This type of research enables you to gather in-depth insights on topics that are not well understood.
Common qualitative methods include interviews with open-ended questions, observations described in words, and literature reviews that explore concepts and theories.
Can someone help me with these questions it's for drivers ed
Answers
Answer:
OK
Explanation:
1= I
2= C
3= H
4= B
5= E
6= G or J
7= D
8= A
9= F
10= G or J
What 2022 rogue sport feature can provide walking directions back to your parked car location?.
Answers
The 2022 Rogue Sport has a new feature called the Find My Car feature. It is a part of the NissanConnect Services app and it can provide walking directions back to your parked car location. This feature uses the GPS location of your vehicle and helps you find your car in a crowded parking lot or unfamiliar locations.
It is an extremely useful feature for those who often forget where they have parked their car.The app needs to be installed on your smartphone, and once it's installed, you can access the Find My Car feature. With just a few taps, the app can display the location of your vehicle and provide directions to help you find your way back to it. It also shows you how far away you are from your car and an estimated time it will take to get there.
The app also includes other features such as remote engine start/stop, door lock/unlock, and other safety and security features. It is compatible with both Android and Apple devices, and it is free to download. This app can provide peace of mind and convenience to those who often misplace their car in busy parking lots or unfamiliar areas.
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Which of the following are secure protocols, ports, services, or applications? (Select TWO.)
a. SLP
b. Port 443
c. SMTP
d. SSH
e. Ports 161/162
Answers
The secure protocols, ports, services, or applications are Port 443 and SSH. The correct options are b and d.
What are secure protocols?The standard HTTP port is 80. This indicates that port 80 is where the server request is received. However, a standard HTTP request can be intercepted. SSL encryption is used to secure an HTTP connection to prevent it (HTTPS protocol).
The URL string in this instance starts with "HTTPS" setting it apart from a typical online request. Instead of using port 80, HTTPS services by default utilize port 443.
Therefore, the correct options are b. Port 443 and d. SSH.
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