Networking IPv4 Addressing & Subnetting Flashcards

1
Q

TCP/IP

A

The first computer connections were point to point. When the need to connect to another computer came about, IP addresses became a necessity. TCP/IP is the foundation of the internet. Sending packets of information to addressed destinations.

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2
Q

Transmission Control Protocol (TCP)

A

The protocol for the delivery of small packets of information from point to point.

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3
Q

Internet Protocol (IP)

A

The protocol that created addresses for each computer. The sender is the source host and the receiver is the destination host.

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4
Q

Layer 1 - Ethernet Number

A

First 8 Bytes (64bits) are network identifier (Ethernet), last 24 bits are own unique post identifier (Destination MAC),

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5
Q

MAC Address (Media Access Control)

A

Layer 2 - AKA Data Link Layer - 48 Bits Long in Binary-

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6
Q

IP Address (Internet Protocol)

A

Layer 3 - 32 Bits long in Binary - Broken down into two parts.

  • Network/Broadcast Domain Address
  • Unique Host address within that broadcast domain
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7
Q

Default Gateway

A

The router - A default gateway is a hardware node that facilitates smooth connections between networks. Its primary use is to serve as an access point for outbound connections to other networks, essentially allowing one computer to communicate with another computer on a different network.

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8
Q

Broadcast

A

Needs no address - Anyone can hear this

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9
Q

Unicast

A

Requires a MAC address - Point to Point

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10
Q

Multicast

A

Requires a MAC address w/ special format - Anyone who choses to listen in. Uses both layer 2 and layer 3

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