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Questions and Answers
The Application Layer is Layer 5 in the OSI Reference Model.
The Application Layer is Layer 5 in the OSI Reference Model.
False
The Transport Layer is responsible for logical addressing in the OSI Reference Model.
The Transport Layer is responsible for logical addressing in the OSI Reference Model.
False
MAC addresses are used at the Network Layer.
MAC addresses are used at the Network Layer.
False
The Application Layer is responsible for user interfaces to the network applications.
The Application Layer is responsible for user interfaces to the network applications.
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The Physical Layer deals with the actual transmission of bits over the network medium.
The Physical Layer deals with the actual transmission of bits over the network medium.
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Study Notes
IP Address
- IP address is a logical address that can be changed.
- It is 32 bits long and represented in decimal form.
- Used for data segmentation, sequencing, port addressing, and flow control.
- IP address is used in routing, IP addressing, fragmentation, and reassembly.
MAC Address
- MAC address is a physical address burned onto the Network Interface Card (NIC) and cannot be changed.
- It is 48 bits long.
- Used for MAC addressing, access method, framing, and error checking.
Key Differences
- IP address is a logical address, while MAC address is a physical address.
- IP address can be changed, but MAC address cannot be changed.
Protocols
- TCP and UDP protocols are used with IP addressing.
- IP, ARP, RARP, and ICMP protocols are used with IP addressing.
- No protocols are specifically mentioned for MAC addressing, but it is implied that ARP is used.
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Description
Test your knowledge on data segmentation, sequencing, port addressing, flow control protocols like TCP and UDP, as well as routing, IP addressing, fragmentation, and reassembly in networking.