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umka2103 [35]
3 years ago
15

3. The following is a dump of a UDP header in hexadecimal format. 0045DF000058FE20 a. What is the source port number? b. What is

the destination port number? c. What is the total length of the user datagram? d. What is the length of the data? e. Is the packet directed from a client to a server or vice versa? f. What is the client process?
Computers and Technology
1 answer:
balandron [24]3 years ago
6 0

Answer:

Explanation:

a) The source port number is the first four hexadecimal digits (0045), which

means that the source port number is 69.

b) The destination port number is the second four hexadecimal digits (DF00),

which means that the destination port number is 57088

c) The third four hexadecimal digits (0058) defines the length of the whole UDP packet as 88 bytes.

d) The length of the data is the length of the whole packet minus the length of the header, or 88 – 8 = 80 bytes.

e) Since the source port number is 69 (well-known port), the packet is from the client to the server.

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How to sync songs from desktop to mobile device spotify.
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The answer is below

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5 0
3 years ago
Use python
konstantin123 [22]

Answer:

Here is the Python program:

def exec_2(f):

    f()

    f()

   

def exec_4(f):

    exec_2(f)

    exec_2(f)

   

def print_koala():

    print("koala")    

exec_4(print_koala)

Explanation:

The program works as follows:

First method:

def exec_2(f):

f()

f()

any function that is passed into exec_2() will be executed twice without parameters.

Second method:

def exec_4(f):

    exec_2(f)

    exec_2(f)

function exec_4(f) takes in a function f as a parameter and executes the function f 4 times using the function exec_2. At first exec_2(f) call the function f is executed twice and and second exec_2(f) call the function f is again executed twice so the function f executes 4 times in total.

Third method:

def print_koala():

    print("koala")  

a function that prints out the koala once

This function has a print statement which is passed the string koala to print on output screen.

exec_4(print_koala)

function exec_4 is used to print koala four times. This function exec_4 takes as argument the function print_koala() So this works as follows:

exec_4(print_koala)

The body of exec_4 executes as:

exec_2(print_koala)

exec_2(print_koala)

Now at first call to exec_2(print_koala) the program moves to the function exec_2 which executes print_koala()  method twice. Since print_koala() method has a print statement print("koala") so this is executed twice:

koala                                                                                                                                           koala

Now at second call exec_2(print_koala) the program moves to the function exec_2 which executes print_koala()  method twice again. Since print_koala() method has a print statement print("koala") so this is executed again twice:

koala                                                                                                                                           koala

So the output of the entire above program is:

koala                                                                                                                                           koala                                                                                                                                           koala                                                                                                                                           koala

The screenshot of program along with its output is attached.

6 0
3 years ago
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