IPv6 addresses can begin with Fe80 prefix.

• A. True
• B. False
• C. Not sure
• D. Not applicable

Answer: (A)

IPv6 uses different prefixes to indicate the scope of an address, and the fe80::/10 prefix specifically denotes link-local addresses. These are automatically configured on every IPv6-enabled interface and are used for communication only on the local link, not across routers. Because the first 10 bits are fixed to fe80, many link-local addresses begin with fe80 in the first block, so it is correct to say that IPv6 addresses can begin with Fe80. A typical example would be fe80::1, which is valid on the local link but not routable beyond it. Other IPv6 addresses use different prefixes (global, unique local, etc.), so not all addresses start with Fe80.