... nhất được nhận dạng bởi thiết bị hai đầu.5.4 CÔNG NGHỆ VLAN:VLAN là viết tắt của Virtual LocalAreaNetwork hay còn gọi là mạng LAN ảo. Một VLAN được định nghĩa là một nhóm logic các thiết ... hình native VLAN thì phải cấu hình ở giao diện vật lý.CHƯƠNG IILÝ THUYẾT VỀ MẠNGWAN (WIDE AREA NETWORK) I. KHÁI NIỆM :Là mạng được thiết lập để liên kết các máy tính của hai hay nhiều khu ... trí rất xa nhau, ví dụ như những quốc gia khác nhau, thì khi đó ta có mạng diện rộng WAN(Wide Area Network) TrangNGUYỄN ĐÌNH CÔNG – 36CLTH2929 V./. CÁC CÔNG NGHỆ MẠNG LAN :5.1. CÔNG NGHỆ CHUYỂN...
... LANs❚Mobility❚Flexibility❚Hard to wire areas❚Reduced cost of wireless systems❚Improved performance of wireless systems William StallingsData and Computer CommunicationsChapter 13 Local Area Network Technology ... Media❚Twisted pair❙Not practical in shared bus at higher data rates❚Baseband coaxial cable❙Used by Ethernet❚Broadband coaxial cable❙Included in 802.3 specification but no longer made❚Optical ... overloads transmitter❙Must satisfy these for all combinations of sending and receiving station on bus❙Usual to divide network into small segments❙Link segments with amplifies or repeaters...
... Thiết lập và định cấu hình cho một mạng LAN (Local Area Network) Thiết lập mạng: Lắp card mạng: ban đầu bạn phải lắp card mạng vào máy tính bằng ... TCP/IP cho từng máy (đối với Win 9x) bạn bạn tiến hành: Vào My computer > Control Panel > Network > nếu tại đây bạn đã thấy có giao thức TCP/IP rồi thì bạn khỏi cần add thêm nếu chưa ... nên thiết lập gán IP theo dạng tĩnh. Ðể thực hiện bạn vào My computer > Control Panel > Network > nếu tại đây bạn đã thấy có giao thức TCP/IP rồi thì bạn khỏi cần add thêm nếu chưa...
... PDF Creator â Foxit Softwarehttp://www.foxitsoftware.com For evaluation only. ATHENAMng LocalArea Network Generated by Foxit PDF Creator â Foxit Softwarehttp://www.foxitsoftware.com For evaluation ... Softwarehttp://www.foxitsoftware.com For evaluation only. ATHENACỏc Kin Trỳc Mng LANKhỏi nim:ã Network Topology l s đồ dùng để biểu diễncác kiểu sắp xếp, bố trí của máy tính, dây cápvà các...
... USE AND MAINTENANCE February 2003ANALYSIS WITHOUT COMPROMISETechnology Evaluation and Comparison Reportwww.butlergroup.com Network SecurityThe Benefitsand Pitfalls of Contemporary Network ... 4,5,6; MacintoshOS8/9 and OS X; Solaris SPARC and Intel; FreeBSD/Intel; HP-UK and HP-PA;Compaq Tru64; IBM AIX; SCO OpenServer and Unixware; OpenVMS/VAX and Alpha; OS2; and DOS.MailMonitor covers: ... Databank and for the end-user configurations for Sophos Anti-Virus.The user is required to enter account credentials for accessing the Databank and other computers on the network, and network- specific...
... PERSONAL -AREA AND SENSORY -AREA NETWORKS1Coverage and Connectivity of Wireless Sensor Networks 31.1 Introduction 31.2 Computing Coverage of a Wireless Sensor Network 41.3 Coverage and Scheduling ... trademarks, and are used only for identification and explanation without intent to infringe.Library of Congress Cataloging‑in‑Publication DataWireless ad hoc networking : personal area, local area, and ... local area, and the sensory area networks / editors, Shih‑Lin Wu and Yu‑Chee Tseng.p. cm. ‑‑ (Wireless networks and mobile communications)Includes bibliographical references and index.ISBN‑13: 978‑0‑8493‑9254‑2...
... clients and an APãExtended Service Set (ESS)Two or more BSS wireless networks installed in same area –Provides users with uninterrupted mobile access to the network ãAll wireless clients and ... wired network interface portãAP functionsWireless communications base stationBridge between the wireless and wired networks 6Wireless Network Interface Card (continued) 5Wireless Network ... using an APQuick and easy setup of a wireless network ãDrawback is that wireless clients can only communicate among themselves Wireless CommunicationsWireless LocalArea Networks 4WLAN...
... uniform and global standard for cellular wireless communicationãStandard data rates144 Kbps for a mobile user–386 Kbps for a slowly moving user–2 Mbps for a stationary userã3G network ... applications–Connect to corporate networks–Watch television or on-demand movies–Take and transmit pictures and short movies–Locate family members and employees using GPS 24JavaãJava programming languageDeveloped ... LEOãCarries voice and data broadband services, such as wireless Internet accessLittle LEOãProvides pager, satellite telephone, and location services 41SummaryãIn cellular telephone networks,...
... transmitted and receivedsignals and the radio channel. However, all theory and development presented in this workwill deal with the baseband representation of signals and channels.The baseband and ... 3 discusses the basic form that a stochastic localarea channel model musttake. Great care is taken in defining a localareaand a stochastic localarea channel, clearlystating the assumptions ... and their baseband representations. Figure 2.4 illustrates the parallel nature of these operationsin baseband and passband.ffff-fCfCfy:H:x:x:H:y:~~~BasebandPassband000Figure...