FTP • FTP client và FTP Server FTP Server www.microsoft.com User ftp://www.microsoft.com/b.txt GET Here you are FTP Client WSFTP Pro, ftp.exe,…... Mail Server hcm.vnn.vn User SEND TO
Trang 1• Web Browser : Internet Explorer, Netscape Navigator, Opera,
Trang 2• K t n i n Web Server ế ố đế Web Server
www.microsoft.com
User
Browser
http://www.microsoft.com/a.html
GET <a.html>
file <a.html>
Trang 3(FTP)
• FTP client và FTP Server FTP Server
www.microsoft.com
User
ftp://www.microsoft.com/b.txt
GET <a.txt>
Here you are
<b.txt>
FTP Client (WSFTP Pro, ftp.exe,…)
Trang 4Mail Server hcm.vnn.vn
User
SEND TO me@yahoo.com
Mail Client (Outlook, Netscape Mail, Eudora)
GET A
LL m
essage
s
Here
you me
sages
Trang 5Mail Server hcm.vnn.vn
User
SEND TO me@yahoo.com
Here
you me
sages
WebMail Client = Browser (Yahoo, Hotmail, FPTNET, VASC,…)
GET A
LL m
essage
s
Trang 6Chat Server
WebChat, mIRC, ICQ,
Yahoo Messenger, MSN)
Trang 7Xây d ng m t Intranet ự ộ đơ n
gi n ả
Intranet = LAN + TCP/IP
Trang 8(LANs)
• M ng s h u riêng c a m t t ch c, ạ ở ữ ủ ộ ổ ứ công ty
• Ph m vi gi i h nạ ớ ạ
– Kho ng vài km, Ph c v t 10 ả ụ ụ ừ ÷ 100 user
• Kênh truy c p chia s (shared) ậ ẻ
10÷ 100 Mbps
• Thi t b ế ị
– twisted pair, coaxial cable, fibre optic, wireless
• Ch y u là chu n Ethernetủ ế ẩ
Trang 9Chu n Ethernet cho LAN ẩ
(IEEE 802.3)
Trang 10Thi t b m ng NIC ế ị ạ
Trang 11Thi t b m ng NIC ế ị ạ
Trang 12Ch c n ng c a card m ng ứ ă ủ ạ