Statement I: MAC address of a device can change.Statement II: IP address of a device cannot change.a)Both I and II are correctb)I is correct, II is incorrectc)II is correct, I is incorrectd)Both I and II are incorrectCorrect answer is option 'D'. Can you explain this answer?

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Humanities/Arts Exam > Humanities/Arts Questions > Statement I: MAC address of a device can chan...

Statement I: MAC address of a device can change.
Statement II: IP address of a device cannot change.

a)
Both I and II are correct
b)
I is correct, II is incorrect
c)
II is correct, I is incorrect
d)
Both I and II are incorrect

Correct answer is option 'D'. Can you explain this answer?

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Most Upvoted Answer

Statement I: MAC address of a device can change.Statement II: IP addre...

The MAC address is printed on the Ethernet card at the time of manufacturing. When the Ethernet card is placed on a device, the address on the card becomes the MAC address of the device. Thus, the MAC address of a device cannot change.
The IP address is assigned to a device when it is connected to a network. When the device is connected to a different network, the IP address automatically changes. Thus, the IP address of a device can change.

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Statement I: MAC address of a device can change.Statement II: IP addre...

Statement I: MAC address of a device can change.

The MAC (Media Access Control) address is a unique identifier assigned to a network interface card (NIC) by the manufacturer. It is a hardware address that is used to identify devices on a local network. Each network interface, such as Ethernet or Wi-Fi, has its own unique MAC address.

In general, the MAC address of a device does not change. It is typically assigned by the manufacturer and remains the same throughout the device's lifetime. This is because the MAC address is hardcoded into the network interface card's firmware.

However, there are some situations where the MAC address of a device can change:

If the device's network interface card is replaced with a new one, the MAC address will be different.

In some cases, the MAC address of a device can be spoofed or changed intentionally. This can be done for security or privacy reasons, as it allows the device to appear as a different device on the network.

Therefore, while the MAC address of a device generally does not change, there are scenarios where it can be different from the original MAC address assigned by the manufacturer.

Statement II: IP address of a device cannot change.

The IP (Internet Protocol) address is a numerical label assigned to each device connected to a computer network. It serves two main purposes: identifying the host or network interface, and providing the location of the device in the network.

The IP address of a device can change in certain situations:

Dynamic IP addressing: In many networks, IP addresses are assigned dynamically using DHCP (Dynamic Host Configuration Protocol). This means that the IP address of a device can change each time it connects to the network or at regular intervals.

Manual IP address assignment: In some cases, network administrators manually assign IP addresses to devices. If a device is manually assigned an IP address, it can be changed by the administrator.

Network reconfiguration: If a device is moved to a different network or subnet, its IP address may need to be changed to match the new network configuration.

Therefore, the statement that the IP address of a device cannot change is incorrect. The IP address of a device can change under various circumstances, including dynamic IP addressing, manual IP assignment, and network reconfiguration.

Conclusion

In conclusion, Statement I is generally correct, but there are situations where the MAC address of a device can change. Statement II is incorrect, as the IP address of a device can change due to dynamic IP addressing, manual IP assignment, and network reconfiguration.

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