NetworkingCâu 46 / 100
What is a MAC address?
a.A temporary address assigned by DHCP
b.The name of a website
c.A unique hardware identifier assigned to a network interface
d.A type of encryption key
Giải thích
A MAC (Media Access Control) address is a unique identifier burned into a network interface card by the manufacturer. It operates at the data link layer and is used for communication within a local network segment. Unlike IP addresses, MAC addresses are generally fixed to the hardware.
Luyện miễn phí toàn bộ 100 câu hỏi — không cần đăng ký.
Câu hỏi liên quan cùng chủ đề
- What does DHCP do on a network?
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- What does a subnet mask define?
- Which command is commonly used to test connectivity to another host by sending echo requests?
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