Definitions: IP vs. MAC addressing from device to device NVRAM IP addressing & d

Question

Definitions:

IP vs. MAC addressing from device to device

NVRAM

IP addressing & default gateway

ANDing

Private address ranges

IPv6 link local address range

Ping vs. tracert

Subnetting (big one)

# of networks, # of hosts

VLSM (concept and process)

TCP vs. UDP

Windowing (also called sliding window)

Protocols (know what they are, port#, & which layer)

Peer-to-peer operation

HTTP messages

Network packet captures

Device security commands

Logical vs physical topology

Media types

Parts of routing table and how it functions

IP vs. MAC addressing from device to device

NVRAM

IP addressing & default gateway

ANDing

Private address ranges

IPv6 link local address range

Ping vs. tracert

Subnetting (big one)

# of networks, # of hosts

VLSM (concept and process)

TCP vs. UDP

Windowing (also called sliding window)

Protocols (know what they are, port#, & which layer)

Peer-to-peer operation

HTTP messages

Network packet captures

Device security commands

Logical vs physical topology

Media types

Parts of routing table and how it functions

Explanation / Answer

Ip vs Mac Addressing:

Every network device has two types of addresses, one called the logical address -- in most cases this is the IP address -- and the other one being the physical address -- also known as the MAC address. IP address is the address which is provided by your ISP, router,etc . It is used to identify a device on a network but it is not permanent. In case of MAC Address, It is Permanent address which can't be changed as it is unique address which is provided by device manufacture. We can use any one of address depending on our requirment.

NVRAM:

Non-volatile random-access memory (NVRAM) is random-access memory that retains its information when power is turned off (non-volatile). This is in contrast to dynamic random-access memory (DRAM) and static random-access memory (SRAM), which both maintain data only for as long as power is applied.

IP addressing:
IP addressing is the mechanism by which we assign IP address to a device on the network.IP address is made up of 32 binary digits which is divided into 4 octet i.e 1 octect = 8 bits. The value in each octet ranges from 0 to 255 decimal, or 00000000 - 11111111 binary. As per the classfication there are 5 classes in which an IP address can be categorised based on their ranges:

Class A - 1.0.0.0 - 127.255.255.255

Class B - 128.0.0.0 - 191.255.255.255

Class C - 192.0.0.0 - 223.255.255.255

Class D - 224.0.0.0-239.255.255.255

Class E - 240.0.0.0 - 255.255.255.255

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