Question:
Which of the following is not a valid address in an internet employing the TCP/IP protocols ?
Which of the following is not a valid address in an internet employing the TCP/IP protocols ?
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Remember the layers: MAC = Hardware (Link), IP = Logical (Network), Port = Software (Transport). "Frame" describes the container, not the address itself.
Updated On: Aug 6, 2026
- Frame address
- Physical address
- Logical address
- Port address
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The Correct Option is A
Solution and Explanation
Concept:
• The TCP/IP protocol suite uses distinct types of addresses at different layers to facilitate communication.
• These addresses correspond to the physical hardware, the network routing layer, and the application service layer.
• Standard addresses include Physical addresses, Logical addresses, Port addresses, and Specific addresses (like email or URL).
Step 1: Identify valid TCP/IP address types
• Physical Address: Also known as MAC address or Link-layer address. It operates at the Data Link layer and identifies devices on the same local network.
• Logical Address: Also known as an IP address. It operates at the Network layer and uniquely identifies a host across a global network.
• Port Address: Operates at the Transport layer (TCP/UDP) and identifies a specific process or application running on a host.
Step 2: Analyze "Frame address"
A "Frame" is the Protocol Data Unit (PDU) at the Data Link layer.
While a frame contains an address (which is the Physical/MAC address), there is no standard TCP/IP address terminology known as a "Frame address".
Therefore, it is not a valid classification of an address type in the TCP/IP suite.
• The TCP/IP protocol suite uses distinct types of addresses at different layers to facilitate communication.
• These addresses correspond to the physical hardware, the network routing layer, and the application service layer.
• Standard addresses include Physical addresses, Logical addresses, Port addresses, and Specific addresses (like email or URL).
Step 1: Identify valid TCP/IP address types
• Physical Address: Also known as MAC address or Link-layer address. It operates at the Data Link layer and identifies devices on the same local network.
• Logical Address: Also known as an IP address. It operates at the Network layer and uniquely identifies a host across a global network.
• Port Address: Operates at the Transport layer (TCP/UDP) and identifies a specific process or application running on a host.
Step 2: Analyze "Frame address"
A "Frame" is the Protocol Data Unit (PDU) at the Data Link layer.
While a frame contains an address (which is the Physical/MAC address), there is no standard TCP/IP address terminology known as a "Frame address".
Therefore, it is not a valid classification of an address type in the TCP/IP suite.
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