Stuff Relate to OSI Model

Question 1

Mac Address

Answer 1

• 48bits
• 0 to 9
• A to F
• Data link Layer

Question 2

IP Address

Answer 2

• Network Layer(3)
• Work with ARP(Address resolution Protocol)
• Classes (A-E)

Question 3

EUI-64(Extended Unique Identifier)

Answer 3

• its a 64 Bit MAC Address
• used for ipv6
• used at the data link layer(2)

Question 4

Frames(packaging data)

Answer 4

• data is packaged into frames(transportable)
• used at the data link layer(2)
• transmit frames across network

Question 5

Packets(Logical grouping of data)

Answer 5

• Happens at the Network layer(3)
• Data stream divided into packets
• Each with an source and destination address

Question 6

Switch

Answer 6

Uses Mac address of connected devices to make forwarding decisions.
Used at Data link Layer(2)

Question 7

Router

Answer 7

Uses IP to make forwarding decisions

Used at the Network Layer(3)

Question 8

Multilayer switch

Answer 8

Perform switch and router functionality

Operates at Layers 2&3

Question 9

Hub

Answer 9

it is a repeater

Operates at physical Layer(1)

Question 10

Encryption Devices

Answer 10

Operate at the presentation layer

Question 11

Cable

Answer 11

Operate at the physical layer

Question 12

NIC

Answer 12

Physical and Data link layers
Put bits on network cable(1)
Posses the MAC Address (2)

Question 13

Bridge

Answer 13

Makes intelligent forwarding decisions based on MAC address in a frame.
Data Link Layer(2)