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2 years ago

50 POINTS!!!!!!!!!!! Give at least two examples of how the transport layer is used.

Computers and Technology

2 answers:

anyanavicka [17]2 years ago

7 0

Answer:

The transport layer is responsible for delivering data to the appropriate application process on the host computers. Some transport layer protocols, for example TCP, but not UDP, support virtual circuits, i.e. provide connection-oriented communication over an underlying packet-oriented datagram network.

Explanation:

Some transport layer protocols, for example TCP, but not UDP, support virtual circuits, i.e. provide connection-oriented communication over an underlying packet-oriented datagram network.

Doss [256]2 years ago

4 0

Answer:

1. The transport layer is responsible for delivering data to the appropriate application process on the host computers. and 2. Some transport layer protocols, for example TCP, but not UDP, support virtual circuits, i.e. provide connection-oriented communication over an underlying packet-oriented datagram network.

-CC

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Write a short program using Python that will:

Alexxx [7]

Answer:

// program in Python to check perfect number

#function to find number is perfect or not

def is_Perfect_Number(n):

#total variable

tot = 1

i = 2

#sum of all divisor of number

while i*i<=n:

if n%i==0:

tot = tot + i + n/i

if tot == n and n != 1:

return 1

i = i+1

return 0

#read until user enter a perfect number

while True:

#read integer

num = int(input("Input an integer: "))

#call the function

if(is_Perfect_Number(num)):

print(num,"is perfect number")

#if perfect number break

break

else:

print(num,"is not a perfect number")

#ask again

print("try again.")

Explanation:

Read number from user and then call the function is_Perfect_Number() with parameter "num".This will find the sum of all divisor of number.If sum is equal to number then it will return 1 else return 0.If the number is not perfect then it will again ask to enter a number until user enter a perfect number.

Output:

Input an integer: 24

24 is not a perfect number

try again.

Input an integer: 28

28 is perfect number

6 0

2 years ago

A computer retail store has 15 personal computers in stock. A buyer wants to purchase 3 of them. Unknown to either the retail st

Dima020 [189]

Answer:

a. 1365 ways

b. Probability = 0.4096

c. Probability = 0.5904

Explanation:

Given

PCs = 15

Purchase = 3

Solving (a): Ways to select 4 computers out of 15, we make use of Combination formula as follows;

$^nC_r = \frac{n!}{(n-r)!r!}$

Where $n = 15\ and\ r = 4$

$^{15}C_4 = \frac{15!}{(15-4)!4!}$

$^{15}C_4 = \frac{15!}{11!4!}$

$^{15}C_4 = \frac{15 * 14 * 13 * 12 * 11!}{11! * 4 * 3 * 2 * 1}$

$^{15}C_4 = \frac{15 * 14 * 13 * 12}{4 * 3 * 2 * 1}$

$^{15}C_4 = \frac{32760}{24}$

$^{15}C_4 = 1365$

Hence, there are 1365 ways 

Solving (b): The probability that exactly 1 will be defective (from the selected 4)

First, we calculate the probability of a PC being defective (p) and probability of a PC not being defective (q)

From the given parameters; 3 out of 15 is detective;

So;

$p = 3/15$

$p = 0.2$

$q = 1 - p$

$q = 1 - 0.2$

$q = 0.8$

Solving further using binomial;

$(p + q)^n = p^n + ^nC_1p^{n-1}q + ^nC_2p^{n-2}q^2 + .....+q^n$

Where n = 4

For the probability that exactly 1 out of 4 will be defective, we make use of

$Probability = ^nC_3pq^3$

Substitute 4 for n, 0.2 for p and 0.8 for q

$Probability = ^4C_3 * 0.2 * 0.8^3$

$Probability = \frac{4!}{3!1!} * 0.2 * 0.8^3$

$Probability = 4 * 0.2 * 0.8^3$

$Probability = 0.4096$

Solving (c): Probability that at least one is defective;

In probability, opposite probability sums to 1;

Hence;

Probability that at least one is defective + Probability that at none is defective = 1

Probability that none is defective is calculated as thus;

$Probability = q^n$

Substitute 4 for n and 0.8 for q

$Probability = 0.8^4$

$Probability = 0.4096$

Substitute 0.4096 for Probability that at none is defective

Probability that at least one is defective + 0.4096= 1

Collect Like Terms

Probability = 1 - 0.4096

Probability = 0.5904

8 0

2 years ago

Where are methods listed in a UML class diagram showing three parts?

denis23 [38]

Answer:

the bottom third

Explanation:

Check out the exampe below.

swim() would be an example of a method.

3 0

2 years ago

Which one of these is not an area of AI? Computer vision/image, recognition Voice recognition, Robotics, Web design

Verdich [7]

Answer:

Computer vision/image

6 0

2 years ago

Read 2 more answers

Edhesive assignment 7 calendar

ikadub [295]

Answer:

def leap_year(y):

if y % 4 == 0:

return 1

else:

return 0

def number_of_days(m,y):

if m == 2:

return 28 + leap_year(y)

elif m == 1 or m == 3 or m == 5 or m == 7 or m == 8 or m ==10 or m == 12:

return 31

elif m == 4 or m == 6 or m == 9 or m == 11:

return 30

def days(m,d):

if m == 1:

return 0 + d

if m == 2:

return 31 + d

if m == 3:

return 59 + d

if m == 4:

return 90 + d

if m == 5:

return 120 + d

if m == 6:

return 151 + d

if m == 7:

return 181 + d

if m == 8:

return 212 + d

if m == 9:

return 243 + d

if m == 10:

return 273 + d

if m == 11:

return 304 + d

if m == 12:

return 334 + d

def days_left(d,m,y):

if days(m,d) <= 60:

return 365 - days(m,d) + leap_year(y)

else:

return 365 - days(m,d)

print("Please enter a date")

day=int(input("Day: "))

month=int(input("Month: "))

year=int(input("Year: "))

choice=int(input("Menu:\n1) Calculate the number of days in the given month.\n2) Calculate the number of days left in the given year.\n"))

if choice == 1:

print(number_of_days(month, year))

if choice == 2:

print(days_left(day,month,year))

Explanation:

Hoped this helped

5 0

2 years ago