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quester [9]
3 years ago
7

Which two options are negotiated via ncp during the establishment of a ppp connection that will use the ipv4 network layer proto

col? (choose two.)?
Computers and Technology
1 answer:
liberstina [14]3 years ago
6 0
<span>NCP are protocols that are used for establishing PPP sessions. </span>During the establishment of a PPP connection that will use the IPv4 network layer protocol the following options are negotiated: the algorithm to compress TCP and IP headers and the IPv4 address used for routing IP over the PPP link.

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In C++ we can print message for the user in Arabic?<br><br> A. True<br> B. False
Lynna [10]

Answer:

A

Explanation:

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3 years ago
write a program that keeps names and email addresses in a dictionary as key-value pairs. the program should display a menu that
erma4kov [3.2K]

To write a program that keeps names and email addresses in a dictionary as key-value pairs check the code given below.

<h3>What is key-value pairs?</h3>

In a key-value pair, two related data elements are combined: a value, which is a variable that belongs to the set (for example, male/female, green, 100), and a key, which is a constant that defines the data set (for example, gender, color, price).

A key-value pair could look something like this when fully formed:

gender = male

color = green

price > 100

↓↓↓//<u>Python code</u>//↓↓↓

import pickle

import sys

try:

   f=open('email.dat','rb')

   d=pickle.load(f)  

   f.close()

     

except:    

   d={}

while True:

   print('\n1. Find a email address')

   print('2. Add name and email address')

   print('3. Change an email address')

   print('4. Delete an email address')

   print('5. Exit\n')

   choice=input('\nEnter a choice: ')

   if choice:

       choice=int(choice)

   else:

       print('\nEnter a number')

       continue    

   if choice == 1:

       while True:

           name=input('\nEnter the name ')

           if name:

               if name in d:

                   print('\n%s is the email id of %s \n' % (d[name],name))

                   break

               else:

                   print('\n Email not found \n')

                   break

           else:

               print('\nName cannot be empty\n')

               continue

           

   elif choice==2:

       while True:            

       

           name=input('\nEnter the name ')

           if name:

               break;

           else:

               print('\nName cannot be empty \n')

               continue

       while True:            

       

           email=input('\nEnter the email address ')

           if email:

               d[name]=email

               break

           else:

               print('\nEmail cannot be empty\n')

               continue

           

   elif choice==3:

       while True:            

       

           name=input('\nEnter the name to change the email address ')

           if name:

               if name in d:

                   email=input('\nEnter the new email address ')

                   d[name]=email

                   print('\nEmail address changed \n')

                   break;

               else:

                   print('\nName not found \n')

                   break

           else:

               print('\nName cannot be empty \n')

               continue

           

   elif choice == 4:

       while True:            

       

           name=input('\nEnter the name to remove ')

           if name:

               if name in d:

                   del d[name]

                   print('\nName and Email address removed \n ')

                   break;

               else:

                   print('\nName not found \n')

                   break

           else:

               print('\nName cannot be empty\n')

               continue

   elif choice == 5:

       

       f=open('email.dat','wb')

       pickle.dump(d,f)

       f.close()

       sys.exit()

   else:

       print('\nEnter a valid choice ')    

Learn more about key-value pair

brainly.com/question/29414672

#SPJ1

3 0
1 year ago
The simple concept of personal computing, hatched by several Silicon Valley entrepreneurs and permeating almost all of modern so
rjkz [21]

Answer:

True

Explanation:

The advent of personal computing brought about by the implementation of several technologies including MOSFET, semiconductors, microchip and integrated circuits has revolutionized life in at a very high rate of change where traditional ways of doing things rapidly change and for the first time power was easily reachable by accessing a personal computer.

1. The computer personal computer brought about word processing, where there are very limited errors in individually printed documents and the time to produce a quality document was reduced

2. Email - With the advent of personal computers email, the information and communication time were lowered and it resulted in changes in commerce

3. Video conferencing - It was possible to have video conferencing with people and make decisions regarding direction can be made real time from very distant locations, which improved business reaction time

4. The mouse- The concept of having a graphic user interface improved computer interaction for people with limited programming skills.

7 0
3 years ago
What is Communication​
iVinArrow [24]
Computer communications describes a process in which two or more computers or devices transfer data, instructions, and information. ... A sending device that initiates an instruction to transmit data, instructions, or information. A communications device that connects the sending device to a communications channel.
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