IP addressing Flashcards
What are the IP versions that exist?
IPv4 and IPv6
What are the types of IP addresses that exist?
Public and Private IP addresses
What does IANA stand for?
Internet Assigned Numbers Authorities
Differentiate between a public and a private IP address.
A public IP address is a unique address that is connected to the internet while a private IP address is an address that is used in a private network, is limited to a certain range, and cannot be seen on the internet.
What is the range for private IP addresses?
10.0.0.0 -> 10.255.255.255
172.16.0.0 -> 172.31.255.255
192.168.0.0 -> 192.168.255.255
How can a private IP address be seen in public or used on the internet?
This can be archived using a proxy server.
What scenario requires a network administrator to set up IP addresses manually?
If a network has multiple segments and there is no DHCP server available.
What does APIPA stand for?
Automatic Private Internet Protocol Addressing
How many hosts are there IPv4 and IPV6 and how many of them are valid hosts?
IPV4 hosts = 2^32
IPV4 valid hosts = (2^32) - 2
IPV6 hosts = 2^128
IPV6 valid hosts = (2^128) - 2
What is the range for the first Octet for each class of IP address, what are their default subnet masks, and what are their valid number of hosts?
Class | Range | Subnet Mask | valid number of hosts
A | 1 -> 126 | 255.0.0.0 | (2^24) - 2
B | 128 -> 191 | 255.255.0.0 | (2^16) - 2
C | 192 -> 223 | 255.255.255.0 | (2^8) -2
D | 224 -> 239 | N/A | for multicasting
E |240-254 | N/A | for experiments and research
=============================================
What does CIDR stand for?
Classless Inter DomainRouting
What is subnetting?
Subnetting is the process of dividing a large network into smaller networks, it enables the efficient use of IP addresses and It works by boring bits from the host part of IP addresses to create new subnetworks with unique network addresses.
What is supernetting?
Supernetting is the process of combining smaller networks to form a large network, it improves routing efficiency by reducing the number of entries on routing tables, It is done when a network needs to be represented as a single entity for routing purposes.
What is a subnet mask?
It is a 32-bit value used with an IP address to determine the host and network potions of the IP address, in binary it made of Octets of 1’s followed by Octets of zeros, the ones that represent the network potion of the IP address, while the zeros represent the Host portion of the IP address.
