tài liệu học ccna

... toàn giống với lab VSIC Education Corporation Trang CCNA VSIC Education Corporation Tài liệu dành cho học viên Trang CCNA Tài liệu dành cho học viên BÀI 2: Cisco Discovery Protocol (CDP) Giới ... file cấu sau : VSIC Education Corporation Trang 13 CCNA VSIC Education Corporation Tài liệu dành cho học viên Trang 14 CCNA Tài liệu dành cho học viên BÀI 3: TELNET Gi...

Ngày tải lên: 18/03/2015, 17:52

... host: 17 2 .16 .12 2.204 10 1 011 00.00 010 000. 011 110 10 .11 0 011 00 255.255.0.0 11 111 111 .11 111 111 .00000000.00000000 17 2 .16 .0.0 10 1 011 00.00 010 010 .00000000.00000000 Converting the result to dotted decimal, 17 2 .16 .0.0 ... 10 .34.23 .13 4 000 010 10.0 010 0 010 .00 010 111 .10 00 011 0 255.0.0.0 11 111 111 .00000000.00000000.00000000 10 .0.0.0 000 010 10.00000000.0...

Ngày tải lên: 05/07/2015, 22:09

... Transport Layer Layer 3: Network Layer Layer 2: Network Layer 010 010 10 010 010 010 011 1 010 010 0 011 010 00… NIIT-ICT Hanoi info@niithanoi.vn Layer 1: Physical Layer 46 23 Summary NIIT-ICT Hanoi info@niithanoi.vn ... • • • 19 70’s: Small computer came into existence 19 83: TCP/IP become the universal language 19 84: Cisco founded; up to 10 00 Internet host 19 96: Number of Internet...

Ngày tải lên: 05/07/2015, 22:09

... systems that operate at 1, 2, 5.5 and 11 Mbps – The majority of 802 .11 b devices still fail to match the 11 Mbps throughput and generally function in the to Mbps range 802 .11 a covers WLAN devices ... production networks, a more standard rating is 20-26 Mbps 802 .11 g provides the same throughout as 802 .11 a but with backwards compatibility for 802 .11 b devices NIIT-ICT Hanoi info@niit...

Ngày tải lên: 05/07/2015, 22:09

... number + = = 17 (decimal) 1 10 + 7 10 • = + 1 2 + 1 2 = 10 0 01 (binary) • • = + = 11 (hexadecimal) • 1 16 + 1 16 systems: – Binary (base 2), – Decimal (base 10 ), – Hexadecimal (base 16 ) Binary system ... Hexadecimal (base 16 ) Binary system uses symbols: 0 ,1 Decimal system uses 10 symbols: 0 ,1, 2,3,4,5,6,7,8,9 Hexadecimal system uses 16 symbols: 0 ,1, ,9,A,B,C,D,E,F Exampl...

Ngày tải lên: 05/07/2015, 22:10

... Hanoi info@niithanoi.vn 12 WAN physical layer 2400bps up to T1 (1. 544M), E1(2.048M) ISDN (BRI): two 64 kbps (B channels) for data, one (D channel) at 16 kbps Up to T1/E1 T1/E1 or above NIIT-ICT Hanoi ... longer distance on the media The Four Repeater Rule for 10 -Mbps Ethernet should be used as a standard when extending LAN segments 5-4-3-2 -1 rule states that no more than four repeaters...

Ngày tải lên: 05/07/2015, 22:10

... info@niithanoi.vn 36 18 Routing and Layer Switching NIIT-ICT Hanoi info@niithanoi.vn 37 ARP table and Routing table NIIT-ICT Hanoi info@niithanoi.vn 38 19 Router and Switch • Each computer and router interface ... info@niithanoi.vn 21 Network Layer Fields • • 16 bits Specifies the length of the entire packet in bytes, including data and header NIIT-ICT Hanoi info@niithanoi.v...

Ngày tải lên: 05/07/2015, 22:11

... Transport services segment and reassemble several upper -layer applications onto the same transport layer data stream The transport layer defines end-to-end connectivity between host applications Transport ... Telnet server application and then to execute commands from the command line NIIT-ICT Hanoi info@niithanoi.vn 17 Summary • • • • • • • • • • • The functions of the TCP/IP tr...

Ngày tải lên: 05/07/2015, 22:11

... info@niithanoi.vn 15 Router role in a WAN EIA/TIA -23 2, EIA/TIA-449, V .24 , V.35, X .21 , G.703, EIA-530, ISDN, T1, T3, E1, and E3, xDSL, SONET (OC-3, OC- 12, OC-48, OC-1 92) , • The WAN physical layer describes ... Specifications MAC Layer Layer EIA/TIA -23 2 X21 bis Physical SMDS sublayer SDLC Data Link PPP LAPB Layer HDLC Network Frame Relay X25 PLP OSI model EIA/TIA-449 V24 V35 HSSI G.7...

Ngày tải lên: 05/07/2015, 22:39

... info@niithanoi.vnboot source IOS image and 21 The show version command Router>show version Cisco Internetwork Operating System Software IOS (tm) 25 00 Software (C2500-D-L), Version 12. 0(5), RELEASE SOFTWARE (fc1) ... for password recovery Must press space or return to get this last line! 22 11 Summary NIIT-ICT Hanoi info@niithanoi.vn 23 12 ... from flash cisco 25 16 (68030) processor (...

Ngày tải lên: 05/07/2015, 22:39

... domain-lookup Router#wreh Translating "wreh" domain server (25 5 .25 5 .25 5 .25 5) (Takes a few seconds) Translating "wreh" domain server (25 5 .25 5 .25 5 .25 5) (Takes a few seconds) Router(config)# no ip domain-lookup ... size 1 524 HD unit 0, V.35 DCE cable, clockrate 64000 cpb = 0x 62, eda = 0x408C, cda = 0x40A0 RX ring with 16 entries at 0x 624 000 00 bd_ptr=0x4000 pak=0x0F2F04 ds=0x 6...

Ngày tải lên: 05/07/2015, 22:39

... Version (CDPv2) is the most recent release of the protocol • Cisco IOS (Release 12. 0(3)T or later) supports CDPv2 CDP Version (CDPv1) is enabled by default with Cisco IOS (Release 10.3 to 12. 0(3)T) ... maintenance of CDP This router’s interface Remote router’s interface • The cdp run command is used to enable CDP globally on the router • By default, CDP is globally enabled • The...

Ngày tải lên: 05/07/2015, 22:40

... image file is "flash:c2600-do3s-mz. 120 -5.T1" IOS source cisco 26 21 (MPC860) processor (revision 0x1 02) with 39936K/ 921 6K bytes of memory Processor board ID JAB03 520 113 (24 8537 527 2) M860 processor: ... Version 11.3 (2) XA4, RELEASE SOFTWARE (fc1) NoSmo-Gateway uptime is weeks, days, 20 hours, 33 minutes System returned to ROM by power-on System restarted at 13:30 :22 PST Thu Mar...

Ngày tải lên: 05/07/2015, 22:40

... 10.1.0.0 25 5 .25 5.0.0 1 72. 16.0 .2 RTB(config)#ip route 1 92. 168 .2. 0 25 5 .25 5 .25 5.0 1 72. 16.0.1 RTB(config)#ip route 10.1.0.0 25 5 .25 5.0.0 1 92. 168.1 .2 RTC(config)#ip route 1 92. 168 .2. 0 25 5 .25 5 .25 5.0 1 92. 168.1.1 ... 1 92. 168.1.0 25 5 .25 5 .25 5.0 1 72. 16.0 .2 RTA#show ip route Codes: C - connected, S - static, C 1 72. 16.0.0/16 is directly connected, Serial...

Ngày tải lên: 05/07/2015, 22:40