141.95|212.95|312.95|10.95|
Explanation:Reformatting the code snippet and giving it line numbers;
1. var totals = [141.95, 212.95, 411, 10.95];
2. totals[2] = 312.95;
3. var totalsString = "";
4. for (var i = 0; i < totals.length; i++) {
5. totalsString += totals[i] + "|";
6. }
Line 1 creates an array called totals with four elements.
First element = totals[0] =141.95
Second element = totals[1] = 212.95
Third element = totals[2] = 411
Fourth element = totals[3] = 10.95
Line 2 replaces the value of the third element totals[2] = 411 with 312.95.
Therefore the array totals = [141.95, 212.95, 312.95, 10.95]
Line 3 creates an empty string called totalsString
Lines 4 - 6 create a for loop that cycles from i=0 to i<totals.length
totals.length = 4 (which is the number of items in the array totals)
This means that the loop cycles from i=0 to i<4
During cycle 1 when i = 0, the expression inside the for loop executes as follows;
totalsString = totalsString + totals[0] + "|" //substitute the values
totalsString = "" + 141.95 + "|"
totalsString = 141.95|
During cycle 2 when i = 1, the expression inside the for loop executes as follows;
totalsString = totalsString + totals[1] + "|" //substitute the values
totalsString = "141.95|" + 212.95 + "|"
totalsString = 141.95|212.95|
During cycle 3 when i = 2, the expression inside the for loop executes as follows;
totalsString = totalsString + totals[2] + "|" //substitute the values
totalsString = "141.95|212.95|" + 312.95 + "|"
totalsString = 141.95|212.95|312.95|
During cycle 4 when i = 3, the expression inside the for loop executes as follows;
totalsString = totalsString + totals[3] + "|" //substitute the values
totalsString = "141.95|212.95|312.95|" + 10.95 + "|"
totalsString = 141.95|212.95|312.95|10.95|
At the end of the execution, totalsString = 141.95|212.95|312.95|10.95|
The is_positive function should return True if the number received is positive, otherwise it returns None. Can you fill in the gaps to make that happen?
The is_positive function should return True if the number received is positive, otherwise it returns None. Can you fill in the gaps to make that happen?
def is_positive(number):
if _____ :
return _____
Answer:
def is_positive(number):
if (number > 0):
return True
else:
return "None"
---------------------------------------------------------------------------------
Code Test and Sample Output:print(is_positive(6))
>> True
print(is_positive(-7))
>> None
----------------------------------------------------------------------------------
Explanation:The code above has been written in Python.
Now, let's explain each of the lines of the code;
Line 1: defines a function called is_positive which takes in a parameter number. i.e
def is_positive(number):
Line 2: checks if the number, supplied as parameter to the function, is positive. A number is positive if it is greater than zero. i.e
if (number > 0):
Line 3: returns a boolean value True if the number is positive. i.e
return True
Line 4: defines the beginning of the else block that is executed if the number is not positive. i.e
else:
Line 5: returns a string value "None" if the number is not positive. i.e
return "None"
All of these put together gives;
===============================
def is_positive(number):
if (number > 0):
return True
else:
return "None"
================================
An example test of the code has also been given where the function was been called with an argument value of 6 and -7. The results were True and None respectively. i.e
print(is_positive(6)) = True
print(is_positive(-7)) = None
Following are the python program to check input number is positive or negative:
Program:def is_positive(n):#defining the method is_positive that takes one variable in parameter
if (n > 0):#defining if block that check input number is positive
return True#return boolean value that is True
else:#else block
return "None"#return string value
n=int(input("Enter number: "))#defining n variable that input a number
print(is_positive(n))#using print method that calls and prints method return value
Output:
please find the attached file.
Program Explanation:
Defining the method "is_positive" that takes one variable "n" in the parameter.Inside the method, if conditional block is defined that checks the input number is positive, if it's true, it will return a boolean value that is "True". Otherwise, it will go to the else block, where it will return a string value that is "None".Outside the method, the "n" variable is declared to be an input number.After the input value, a print method is used that calls the "is_positive" method and prints its return value.Find out more about the method here:
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Implement the function:
string get_ap_terms(int a, int d, size_t n);
which returns a string containing the first n terms of the arithmetic progression (AP) as a sequence of comma-separated values.
Answer:
This is written in C++
Check comments for explanations
Program starts here
#include<iostream>
#include<string>
using namespace std;
//The function get_ap_terms begins here
string get_ap_terms(int a, int d, int size_tn)
{
// This line initializes the expected string to empty string
string result = "";
//The for iteration loops through the number of terms the function is expected to return
for(int i = 1; i<= size_tn;i++)
{
//This line checks if the loop is less than the number of terms
if(i < size_tn)
{
//This string gets the current term of the progression
result+=to_string(a)+ ", ";
//This line calculates the next term
a+=d;
}
else
{
//This line calculates the last term
result+=to_string(a);
}
}
//This line returns the string containing the first n terms of the arithmetic progression
return result;
}
//The main function starts here
int main()
{
//This line declares the first term (a), the common difference (d) and the number of terms (size_tn)
int a,d,size_tn;
//This line prompts the user for the first term
cout<<"First Term: ";
//This line gets the first term
cin>>a;
//This line prompts the user for the common difference
cout<<"Common Difference: ";
//This line gets the common difference
cin>>d;
//This line prompts the user for number of terms
cout<<"Number of Terms: ";
//This line gets the number of terms
cin>>size_tn;
//This line calls the function to print the string containing the first n terms
cout<<get_ap_terms(a, d, size_tn);
return 0;
}
//Program ends here
php Exercise 3: Function Write a function named word_count that accepts a string as its parameter and returns the number of words in the string. A word is a sequence of one or more non-space characters (any character other than ' '). For example, the call of word_count("hello, how are you?") should return 4. Constraints: • Do not use any data structures such as arrays to help you solve this problem. • Do not use the String function explode on this problem. • But you can declare as many simple variables like Integer, String, etc. as you like. Keep it simple.
Answer:
<?php
function word_count($string){ // function that takes a string a parameter and returns the number of words in that string
$space = 0; // this variable is used in order to detect space, new line and tab spaces in a string
$words = 1; // this variable is used to identify word presence in string
$include = $space; //used to maintain the state of $words and $space
$counter = 0; // this counts the number of words in the string
$i = 0; //this moves through each character of the string
while ($i < strlen($string)){ // iterates through every character of string until the last character of string is reached
if ($string[$i] == " "||$string[$i] == "\n" || $string[$i] == "\t") //if the space or new line or tab space is identified in the string
$include = $space; //set the state of include as space if the next character is a space newline or a tab space
else if ($include == $space) { //if next character is a word and current state i.e. $include holds $space
$include = $words; // then set the state i.e. $include as $words
++$counter; } //increments i to move to next character at each iteration
++$i; } //returns the number of words in a string
return $counter; }
$str = "Hello, how are you "; //sample string
echo "Words: " . word_count($str); // calls word_count function to return number of words in str.
?>
Explanation:
The program has a function word_count that accepts a string as its parameter and returns the number of words in the string. In the function there are three variables $space and $words and $include used as state variables. For instance $space identifies space, new line and tab spaces in the $string so it specifies that a space has occurred. $words identifies words in the $string so it specifies that a word has occurred. $include holds this state information. $i moves through every character of the $string and when a space occurs in the $string then the state $include is set to $space. When a word occurs then state $include is set to $words. $counter variable, which is used to count the number of words is incremented to 1 when previous state is $space and next character is a word character. Every time a word is seen in the string, this variable is incremented to 1 to keep track of number of words in the string. When $i reaches the end of the string then this loop stops and counter returns the number of words in the $string.
All the protocol layers of the internet (Application, Transport. Network) were originally without any security. TLS is one of the security architectures added later. In the Internet protocol stack. TLS is located:________. 1. right above the application layer 2. right below the application layer 3. right below the transport layer 4. right above the IP layer
Answer:
2. right below the application layer
Explanation:
TLS (Transport Layer Security) is an improved and more secured version of the SSL (Secure Socket Layer) used as cryptographic protocol for providing authentication and encryption over a network. It is initialized at the transport layer of the IP stack and finalized at the application layer. In other words, it is located between the transport and application layer of the Internet protocol stack. And this is necessary so that data received in the application layer from the transport layer are protected from start to end between these two layers.
Therefore, it is safe to say that the TLS is located right below the application layer.
A developer and tester were jointly interpreting a user story and studying the acceptance criteria. The tester wrote a test scenario that the developer felt was invalid. The tester was adamant that it was a valid test scenario and needed to be addressed. How can the dispute be resolved
Answer:
Discuss with product owner and ask if it is a valid scenario.
Explanation:
To resolove this, a discussion should be made with the product owner and the question on if it is a valid scenario should be asked.
Normally when there are issues like this, the product owner should be able to help sort out the issues. This should be the number one option to pick in cases like this where there are different opinions on what to do.
If your computer freezes on a regular basis and you checked your hard drive and you have insufficient space you've not installed any software that could cause disruption you have recently added more around so you realize that you have enough memory and that isn't causing a problem what could you do to check next? A) Ensure that the computer is disconnected from the internet by removing any Ethernet cables. B) Use scandisk to ensure that the hard drive is not developing errors or bad sectors. C) Replace the CPU and RAM right away. D) Install additional fans to cool the motherboard.
Answer:
d
Explanation:
If your computer freezes on a regular basis, and you have enough memory and that isn't causing a problem. You should install additional fans to cool the motherboard. The correct option is D.
What is computer freezing?Computer freezing means the computer is not running smoothly. It is causing concerns in opening any application or running software. It is also called computer hanging. The freezing can occur due to the heating of the motherboard. The addition of the fans would be good.
Freezing on the computer happens when the memories of the computer are full, or any virus has been installed on the computer. Hanging or freezing of computers can be avoided by emptying some data or installing an antivirus.
Thus, the correct option is D. Install additional fans to cool the motherboard.
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Consider the following algorithm. x â 1 for i is in {1, 2, 3, 4} do for j is in {1, 2, 3} do x â x + x for k is in {1, 2, 3, 4, 5} do x â x + 1 x â x + 5 Count the number of + operations done by this algorithm.
Answer:
Number of + operation done by this algorithm is 60
Explanation:
i = 4
j = 3
k = 6
Now, let "n" be number of '+' operations
n = i × j + i × 2k
substituting the figures
n = 4 × 3 + 4 × (2 × 6)
n = 12 + 4 × 12
n = 12 + 48
n = 60
Answer:
i can't see some of the numbers
Explanation:
A network security analyst received an alert about a potential malware threat on a user’s computer. What can the analyst review to get detailed information about this compromise? Check all that apply
Complete Question:
A network security analyst received an alert about a potential malware threat on a user’s computer. What can the analyst review to get detailed information about this compromise? Check all that apply.
A. Logs.
B. Full Disk Encryption (FDE).
C. Binary whitelisting software.
D. Security Information and Event Management (SIEM) system.
Answer:
A. Logs.
D. Security Information and Event Management (SIEM) system.
Explanation:
If a network security analyst received an alert about a potential malware threat on a user’s computer. In order to get a detailed information about this compromise, the analyst should review both the logs and Security Information and Event Management (SIEM) system.
In Computer science, logs can be defined as records of events triggered by a user, operating system and other software applications running on a computer. Log files are used to gather information stored on a computer such as user activities, system performance and software program.
Security Information and Event Management (SIEM) system is the process of gathering and integration of all the logs generated by a computer from various software application, service, process, or security tool.
These logs collected through the SIEM are shown in a format that is readable by the security analyst and this help in real-time detection of threats.
Hence, logs and SIEM systems are important tools for network security analyst for detection of threats in real-time and event management functions.
Those with good motor skills are often described as having ...
A. good coordination.
B. poor coordination.
C. athletic coordination,
In the above case, those with good motor skills are often described as having good coordination.
What is good coordination?A coordination skill is known to bee the ability of a person to look at many moving pieces and derive a plan for all the pieces to be put together.
Therefore, In the above case, those with good motor skills are often described as having good coordination.
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The list of lists below is meant to represent the money raised by a charity over multiple days. The inner lists represent each donation, and the outer list represents each day. Use a for loop to calculate the sum of all the numbers in this list of list of numbers, to print the total amount of money raised.
code given:hourly_donations_per_day = [[44, 33, 56, 27, 33, 25],[12, 15, 22, 19, 21],[36, 34, 32, 37, 28, 11, 35],[20, 19, 29],[22, 27, 21, 15, 26, 15]]
Answer:
Following are the code to this question:
hourly_donations_per_day = [ #declaring list of lists and assign values
[44, 33, 56, 27, 33, 25],
[12, 15, 22, 19, 21],
[36, 34, 32, 37, 28, 11, 35],
[20, 19, 29],
[22, 27, 21, 15, 26, 15]
]
total_amount_of_money_raised = 0#defining a variable and assign a values 0
for i in hourly_donations_per_day:#defining loop to count values donation
if isinstance(i,list): #using if block to add donation values
for j in i:#defining loop for add list values
total_amount_of_money_raised += j #add all values in total_amount_of_money_raised variable
print(total_amount_of_money_raised) #print value
Output:
714
Explanation:
In the above code, a list of the list is declared in which, it assigns the multiple values, in the inner lists it represents donation value and in the outer list it represents the day. In the next step, a variable "total_amount_of_money_raised" is declared that assigns a value 0, in the next step, multiple for loop is declared which is used to add list donation value and at the last print, the method is used to print its value.
11. Which one of the following buttons is used for paragraph alignment?
Answer:
C
Explanation:
Option A is used for line spacing.
Option B is used for right indent.
Option C is used for right paragraph alignment.
Option D is used for bullet points.
The button used for paragraph alignment would be option C.
The blank function returns to the first character or characters in a text string based on the number of characters specified??? A. PROPER B. MID C. LEN D. LEFT
Answer: D.) LEFT
Explanation: LEFT is an excel function allows users to extract a specified number of characters starting from the left. The syntax goes thus :
=LEFT(text, [num_chars])
text: the original string in which characters are to be extracted.
num_chars : takes an integer, stating the number of characters to extract.
The proper function is also an excel function which sets the first character in each word to uppercase. The mid function is also used in text extraction starting from any position in the original string based on what is specified.
The LEN function is used to get the number or length of characters in a string.
A Solutions Architect needs to build a resilient data warehouse using Amazon Redshift. The Architect needs to rebuild the Redshift cluster in another region. Which approach can the Architect take to address this requirement
Answer:
Explanation:
An Amazon Redshift data warehouse refers to a collection of computing resources that are known as nodes. These nodes are organized into a group called a cluster. In order to correctly replicate/rebuild this cluster in another region, the Architect needs to modify the Redshift cluster to take snapshots of the Amazon EBS volumes each day, sharing those snapshots with the other region. These snapshots will provide accurate and up-to-date information allowing for a correct rebuild of the Redshift cluster.
Complete the method, print Multiples(), that takes in a positive integer n, and another positive integer, max. Print out all the multiples of n that are less than or equal to max. Print each multiple on a separate line. For example, if the method is called with n
Answer:
public static void printMultiples(int n, int max){
for (int i=1; i<=max; i++){
if(i%n == 0)
System.out.println(i);
}
}
Explanation:
Create a method called printMultiples that takes two parameters n and max
Inside the method, create a for loop that iterates from 1 to max. If i, a number between 1 and max, % n is equal to 0, that means the number is a multiple of n, print the number.
Rijndael, AES, CCMP are same as well as different. They are same in terms of how encryption is done and different in terms of whether each one is a protocol, algorithm or a standard.CCMP is both, a protocol and a standard, Rijndael is:_________ a) standard only b) an algorithm c) a communications protocol. d) patented by US Government
Answer:
Option (b) is the correct answer to this question.
Explanation:
AES is based on Rijndael Algorithm.
The Rijndael algorithm enables a choice of block sizes and key sizes. The choices are for each of 128, 192, or 256 bits. Once NIST implemented Rijndael for AES, it only specified one block size,128 bits, but maintained three major lengths of selection. IEEE 802.11I go a step and further limits when both the main size and length of the block for 128 bits. It simplifies deployment and relieves users during development from having to make yet again another decision.
Other options are incorrect because they are not related to the given scenario.
Internally, a bin heap is typically implemented as a BST that has the additional ordering property that the minimum value is at the root (or the maximum value is at the root, if we chose to make the bin heap to be a max heap).
a) True
b) False
Answer:
True is the correct answer to the given question .
Explanation:
Heap is the complete binary tree that meets the property of organizing the heap There are two types heap max heap and min heap .The value in the heap of every node is greater than or equal to its parent 's value or less then equal to the parent with there dimension of the minimum value or the maximum value just at the root.
So the binary heap is configured as a Binary Search Tree with the external organizing attribute that perhaps the mean price is in the root with maximum value .Therefore the given statement is true .
DOLLAR GENERAL
x
Knowledge Check
Non-employees are allowed in the store before the store opens and after
closing time.
True
False
SUBMIT
Answer:
False
Explanation:
Unless authorized by a manager. Only staff members are allowed in the store before and after normal store hours.
Answer:
The correct answer is
False
If you are not an employee you are not allowed in stores before opening hours or after closing time. The only times non-staff are allowed in the store is for purchasing of products during hours of operation.h
Hope this helps!
Write an expression using membership operators that prints "Special number" if special_num is one of the special numbers stored in the list special_list
Answer:
In python, the statement can be written as:
if(special_num in special_list): print("Special Number")
Explanation:
We need to create a list with the name 'special_list' with some values and then check whether special_num is in the list or not using the membership operator.
Membership operator in python: in
Let us do it step by step in python:
special_list = ['1', '2', '3','4'] #A list with the values 1, 2, 3 and 4
special_num = input("Enter the number to be checked as special \t")
#Taking the input from the user in the variable special_num.
if(special_num in special_list): print("Special Number")
#Using the membership operator in to check whether it exists in the list or not.
Please refer to the image attached for the execution of above program.
So, the answer is:
In python, the statement can be written as:
if(special_num in special_list): print("Special Number")
Write a python function absDiff(...) that takes two integers as parameters, gets the absolute value of both, subtracts the second from the first, and returns the difference.
Explanation:
Remember, an absolute value is the non-negative value of a number in this case the integer.
First, using the abs() function. Here's an example:
# Some random integers
variableA = -308
variableB = 301
Second, # Get the absolute values of those integers
absA = abs(variableA)
absB = abs(variableB)
Next,
# Output the results
print("Absolute values of integers with `abs()`:")
print("|", variableA, "| = ", absA, sep="")
Finally,
Use abs(variableA-variableB):
In [1]: abs(-308-301)
Out[1]: 307
Write the definition of the function displaySubMenu that displays the following menu; this function doesn't collect the user's input; only display the following menu:
[S]top – Press 'S' to stop.
Answer:
Using Python:
def displaySubMenu():
print("[S]top – Press ‘S’ to stop.")
Using C++ programming language:
void displaySubMenu(){
cout<<"[S]top – Press ‘S’ to stop.";}
Explanation:
The function displaySubMenu() has a print statement that prints the following message when this function is called:
[S]top – Press 'S' to stop.
You can invoke this function simply by calling this function as:
displaySubMenu()
The function doesn't take any input from the user and just displays this message on output screen whenever this function is called.
In C++ you can simply call the function using following statement:
void main(){
displaySubMenu(); }
For vulnerable road users, the areas where roadways transition from one environment to another are...
A. the safest areas.
B. the most clearly marked areas.
C. the most dangerous areas.
For vulnerable road users, the areas where roadways transition from one environment to another are the most dangerous areas. Thus the correct answer is C.
What is the environment?An environment is refers to surroundings in which all the living and nonliving objects exist to survive life. This includes humans, animals, plants, and other resources.
the areas where roadways transition from one environment to another are the most dangerous areas because here drivers first recognize an approaching change in the nature of the roadway and then reduce their speed as appropriate.
Therefore, option C is appropriate.
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James has a USB flash drive that he has used at work. The drive needs to be thrown away, but James wants to make sure that the data is no longer on the drive before he throws it away. What can James use to wipe the data clean?
a. Zero-fill utility
b. Format the drive
c. ATA Secure Erase
d. Smash the USB drive
Answer:
C. ATA Secure Erase
D. Smash the USB drive
Explanation:
Zero fill utility is a specialized way of formatting a storage device particularly secondary storage such as hard disk, flash drive e.t.c. In this process, the disk contents are overwritten with zeros. Once this has been done, undoing is essentially hard but possible. In most cases, this might just mean that the data content is corrupt and as such might still be recovered, maybe not in its pure entirety.
Formatting the drive on another hand does not essentially mean cleaning the drive and wiping off data. It just means that operating systems cannot see those data contents anymore. They are still present in the drive and can be recovered.
ATA Secure Erase is actually a way of completely and permanently erasing the content in a drive. Once the function has been done, undoing is not possible. Both the data content and even the data management table will be completely gone.
Smashing the USB drive is the surest way of cleaning data as that will permanently destroy the working components of the drive such as the memory chip. And once that happens then there's no drive let alone its contents.
How many searches should you complete when looking up information using online references?
Answer:
c
Explanation:
In cell B13, create a formula using the VLOOKUP function that looks up the value from cell A11 in the range A5:B7, returns the value in column 2, and specifies an exact match.
Answer:
VLOOKUP(A11,A5:B7,2,0) is the correct answer to this question.
Explanation:
The VLOOKUP method contains a vertical lookup by scouring for worth in a table's first section and trying to return the significance in the throughout the situation within the same row. The VLOOKUP excel is a built-in function classified as a Lookup / see as.
According to the question:-
The formulation needed to enter is = VLOOKUP(A11, A5: B7,2,0)
The first "A11" here is the cell from which value is retrieved
The second "A5: B7" input is the range for the table where you need to lookup. 2 Is the number of the column from which the value is taken and 0 indicates the exact math
The VLOOKUP function is used to look up a value in a particular column.
The VLOOKUP formula to enter in cell B13 is: VLOOKUP(A11,A5:B7,2,0)
The syntax of a VLOOKUP function is:
VLOOKUP(lookup_value, cell_range, column_index, [return_value])
Where:
lookup_value represents the value to look upcell_range represents the cells to checkcolumn_index represents the column index[return_value] is an optional entry, and it represents the value that will be returned by the look up function.From the question, we have:
lookup_value = cell A11cell_range = cell A5 to B7column_index = 2[return_value] = 0So, the VLOOKUP function would be: VLOOKUP(A11,A5:B7,2,0)
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Two stations running TCP/IP are engaged in transferring a file. This file is 1000MB long, the payload size is 100 bytes, and the negotiated window size is 1000 bytes. The sender receives an ACK 1200 from the receiver.
Requried:
a. Which bytes will be sent next?
b. What is the last byte number that can be sent without an ACK being sent by the receiver?
Answer:
a. 2100
b. 2199
Explanation:
GIven that:
The file size = 1000 MB
The payload size is = 100 bytes
The negotiated window size is = 1000 bytes.
This implies that the sliding window can accommodate maximum number of 10 packets
The sender receives an ACK 1200 from the receiver.
Total byte of the file is :
1000 MB = 1024000000 bytes
a.
Sender receives an ACK 1200 from the receiver but still two packets are still unacknowledged
=1200 + 9 * 100
= 1200 + 900
= 2100
b. What is the last byte number that can be sent without an ACK being sent by the receiver?
b. Usually byte number starts from zero, in the first packet, the last byte will be 99 because it is in 1000th place.
Thus; the last byte number send is :
= 1200 + 10 *100 -1
= 1200 + 1000-1
= 1200 + 999
= 2199
What are entity-relationship diagrams and how are they used? What symbol is used for a relationship? What is an associative entity? Provide an example.
Answer:
The definition including its given problem is outlined in the following segment on the clarification.
Explanation:
Entity-relationship (ER) diagram describes how mechanical stored procedures are constructed and demonstrate the overarching representation of the situation. It also describes the connections between some of the entities of the framework and even the comparison with standard measurements.For something like an individual relationship structure, the normal representation of connections seems to be a diamond. Associative institutions have several to many partnerships to communicate with. It's indeed the verb throughout a diamond-shaped form that holds two organizations around each other. This verb is in fact an entity on its own, therefore it must be termed an associative entity.An illustration of such might be if a participant were to register for a class. Multiple individuals will be registered for several courses, and there have been many to several relationships; thus, the associative object will indeed register.all HTML tags are case sensitive, case insensitive and have to be written in capitals only
Answer:
Html tags are not case sensitive
It's in JavaScript that the tags are case sensitive
Which among the following enhances WS-Security to facilitate a mechanism for issuing, renewing, and validating security tokens?
a. WS-Trust
b. WS-SecureConversion
c. WS-SecurityPolicy
d. All of the mentioned
Answer:
a. WS-Trust
Explanation:
WS-Trust can be defined as a WS-specification as well as OASIS standard that help to provides extensions to WS-Security, in order to facilitate a mechanism for issuing, renewing, as well as validating of security tokens which is why the aim and objectives of WS-Trust is to help and enable applications to construct trusted SOAP message exchanges.
Nevertheless WS-Trust enables the issuance as well as the dissemination of credentials within several and various trust domains.
A web service using the WS-Trust can be used for implementing the standards that encode the WS security to facilitate the mechanisms for issuing and reviewing the security tokens.
Hence e the option A is correct. The WS security token service is a service based on the mechanisms of the key exchange.Learn more about the following enhances WS-Security to facilitate.
brainly.com/question/13171394.
If you have taken any drugs, it's not safe to drive.
A. True
B. False
Answer:
True
Explanation:
It is risky to drive while you are on drugs!
Open the Undergrad Debt data in the Excel file. Nationally, on average, a college student last year graduated with $27,200 in debt with a historical standard deviation of $5,000. The file gives sample date from Arkansas.
Does Arkansas students have higher debt than the national average at alpha equal to 10?
Answer:
Arkansas students have higher debt than the national average, $27,200.
Explanation:
The provided data is:
S = {24040, 19153, 26762, 31923, 31533, 34207, 14623, 24370, 31016}
In this case we need to test whether Arkansas students have higher debt than the national average at alpha equal to 0.10.
The hypothesis can be defined as follows:
H₀: Arkansas students does not have higher debt than the national average, i.e. μ ≤ $27,200.
Hₐ: Arkansas students have higher debt than the national average, i.e. μ > $27,200.
Compute the sample mean:
[tex]\bar x=\frac{1}{n}\sum X=\frac{1}{10}\times 213537=21353.70[/tex]
As the population standard deviation is provided, we will use a z-test for single mean.
Compute the test statistic value as follows:
[tex]z=\frac{\bar x-\mu}{\sigma/\sqrt{n}}=\frac{21353.70-27200}{5000/\sqrt{10}}=-3.70[/tex]
The test statistic value is -3.70.
Decision rule:
If the p-value of the test is less than the significance level then the null hypothesis will be rejected.
Compute the p-value for the test as follows:
[tex]p-value=P(Z>-3.70)=P(Z<-3.70)=0.00011[/tex]
*Use a z-table for the probability.
The p-value of the test is 0.00011.
p-value = 0.00011 < α = 0.10
The null hypothesis will be rejected.
Thus, it can be concluded that Arkansas students have higher debt than the national average, $27,200.