... m< /b> ngki u < /b> AAA (authentication, authorization andaccounting).• DIAMETER: l< /b> phi n < /b> b n < /b> kế ti p < /b> c< /b> a< /b> RADIUS.• Biometerics: x c < /b> th c < /b> d a < /b> tr< /b> n < /b> c< /b> c < /b> y u < /b> t< /b> sinh h c.< /b> HĐH m< /b> HĐH m< /b> ạạng n< /b> ng cao< /b> ng n< /b> ng ... m< /b> HĐH m< /b> ạạng n< /b> ng cao< /b> ng n< /b> ng cao< /b> VII. An < /b> toVII. An < /b> toàà n < /b> & b n < /b> & b ảảo m< /b> o m< /b> ậậ t< /b> t4747Access control list (ACL)Access control list (ACL)• L< /b> danh sách c< /b> c < /b> quy n < /b> truy nh p < /b> ... m< /b> ậậ t< /b> t66Virus Related StatisticsVirus Related Statistics• From Trend Micro , 16 Jan, 2004,Computer World Article– It is estimated that PC Viruses costbusinesses approximately $55 Billion...