Secure MAC Address Configuration

Secure MAC Address Configuration

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Which type of secure MAC address must be configured manually?



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A. B. C. D.


In a network, a Media Access Control (MAC) address is a unique identifier assigned to each network interface controller (NIC). These MAC addresses can be used to secure network access by allowing or denying access to a particular device based on its MAC address.

When it comes to configuring secure MAC addresses, there are a few different types to be aware of, including dynamic, bia, static, and sticky. Let's take a closer look at each one:

A. Dynamic MAC addresses are assigned automatically by the switch when a device connects to the network. They are temporary and can change each time the device reconnects to the network.

B. Burned-In Address (BIA) is the MAC address that is hard-coded into a network interface card by the manufacturer. This address is unique and cannot be changed.

C. Static MAC addresses are assigned manually by a network administrator. These addresses are fixed and do not change unless they are manually reconfigured.

D. Sticky MAC addresses are dynamically learned and stored in the switch's address table. They persist even after the device has disconnected from the network, which can be useful for devices that need to connect to the network infrequently.

Based on this information, the answer to the question is C. Static MAC addresses must be configured manually by a network administrator.