Ii. Speak about on topics: Jobs in it


Network Size (CIDR Suffix)


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Network Size (CIDR Suffix)

Number of Usable IP Addresses

/16

65536

/17

32768

/18

16384

/19

8192

/20

4096

/21

2048

/22

1024

/23

512

/24

256

/28

16


Network Range


Network range is the possible range of decimal values for the first byte of a network number. Network ranges depend on the type of class the network is part of.


When creating a Digital Ocean VPC network, the address range prefix controls for the network range and associates with a customizable network size.
Digital Ocean VPC provides several IP address ranges allocated for private networking purposes (RFC 1918):



  • 10.0.0.0 – 10.255.255.255

  • 172.16.0.0 – 172.31.255.255

  • 192.168.0.0 – 192.168.255.255



III. Grammar rules

  1. Explain usage and formation of Present Indefinite tense (affirmative, negative and interrogative) and make up sentences.

  • He sings a song;

  • He is a doctor;

  • She does not sing in the bar.

  • She is not a singer.

  • Does he go to see the film?

  • Are you happy?




  1. Explain usage and formation of Comparatives and Superlatives and compare two countries, computers or anything you like.



Comparative and superlative adjectives

Comparative adjectives


Comparative adjectives compare one person or thing with another and enable us to say whether a person or thing has more or less of a particular quality:
Josh is taller than his sister.
I’m more interested in music than sport.
Big cars that use a lot of petrol are less popular now than twenty years ago.

Superlative adjectives


Superlative adjectives describe one person or thing as having more of a quality than all other people or things in a group:
The ‘Silver Arrow’ will be the fastest train in the world when it is built.
The most frightening film I’ve ever seen was Alfred Hitchcock’s ‘Psycho’.
What is the least expensive way of travelling in Japan?

Comparative or superlative?

A comparative compares a person or thing with another person or thing. A superlative compares a person or thing with the whole group of which that person or thing is a member:

Joe’s older than Mike. (comparing one person with another)


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