# 6th Class Computers Networking IP Addressing

Category : 6th Class

The IP address is a 32 bit unique number that is assigned to a computer. An IP (Internet Protocol) address is similar to the address of your home, which is the method by which other people send messages or mails to you. IP address basically consists of two IDs, one is the network ID and other is the host ID. The unique number which is used by your network is the Network ID and the host ID portion uniquely identifies the system on your network. Basically the IP address format is known as dotted decimal notation format, and contains a set of four numbers separated by periods. For example, 192.178.2.200 is an IP address mentioned in four numbers in a dotted decimal notation form. The Network ID is same for all the system on the same network. Basically there are five major classes of IP address. They are the following:

Class A

The IP address range for Class A is 1.0.0.1 to 126.255.255.254 and this supports 16 million hosts on each of 127 networks.

Class B

The Class B is having IP address range as 128.1.0.1 to 191.255.255.254 and it supports =5.000 hosts on each of 16,000 networks.

Class C

The Class C is having IP address range as 192.0.1.1 to 223.255.254.254 and it supports 254 hosts on each of 2 million networks.

Class D

The Class D is having IP address range as 224.0.0.0 to 239.255.255.255 and it is reserved for multicast groups.

Class E

The IP address range for Class E is 240.0.0.0 to 254.255.255.254 and this is reserved for the future use.

The IP address is a 32 bit unique number. Which one of the following statements is true about IP address?

(A) IP address consists of network ID only

(B) IP address consists of host ID only

(C) IP address consists of two IDs

(D) All of these

(E) None of these

Explanation

Correct Option:

(C) IP address consists of both network and user IDS

Incorrect Options:

(A) Option (A) is incorrect

(B) Option (B) is incorrect

(D) Option (D) is incorrect

(E) Option (E) is incorrect

The IP address is a 32 bit unique number which is assigned to a comp Which one of the following is a correct example of IP address?

(A) 192.0.172

(B) 192.0.0.124

(C) 200,234,255

(D) All of these

(E) None of these

Explanation

Correct Option:

(B) IP address contains a set of four numbers separated by period

Incorrect Options:

Rest of the options is incorrect.

The_________ is having IP address range as 192.0.1.1 to 223.255.254.254.

(A) Class A

(B) Class B

(C) Class C

(D) Class E

(E) None of these

Explanation

Correct Option:

(C) The range of Class C IP address is 192.0.1.1 to 223.255.254.254.

Incorrect Options:

(A) The range of Class A IP address is 1.0.0.1 to 126.255.255.254.

(B) The range of Class B IP address is 128.1.0.1 to 191.255.255.254.

(D) The range of Class E IP address is 240.0.0.0 to 254.255.255.254

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