Tài liệu học CCNA kỳ 1

... 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 ã Converting the result to dotted decimal, 17 2 .16 .0.0 ... ã 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

... data Data Encapsulation Example 010 010 10 010 010 010 011 1 010 010 0 011 010 00… Application Layer Layer 4: Transport Layer Layer 3: Network Layer Layer 2: Network Layer Layer 1: Physical Layer 24 NIIT-ICT ... History ã 19 70s: Small computer came into existence ã 19 83: TCP/IP become the universal language ã 19 84: Cisco founded; up to 10 00 Internet host ã 19 96: Number of Inter...

Ngày tải lên: 05/07/2015, 22:09

... Thicknet NIIT-ICT Hanoi info@niithanoi.vn 16 Cable Specifications ã 10 BASE2 speed of transmission at 10 Mbps – type of transmission is baseband – The 2, in 10 BASE2, represents the capability of ... interpreted – T stands for twisted pair 8 NIIT-ICT Hanoi info@niithanoi.vn 15 Cable Specifications ã 10 BASE5 speed of transmission at 10 Mbps – type of transmission is baseband – 5...

Ngày tải lên: 05/07/2015, 22:09

... Systems = + = 17 (decimal) 1 10 + 7 10 1 0 1 2 + 1 2 4 0 += = 10 0 01 (binary) 1 16 + 1 16 1 0 += = 11 (hexadecimal) ã Three important number systems: Binary (base 2), Decimal (base 10 ), Hexadecimal ... conductive shielding. ã 10 Base-2: (thinnet) Ethernet 10 Mpbs, 18 5 m, BNC connector, 50 . ã 10 Base-5: (thicknet) Ethernet 10 Mbps, 500 m, 50 . 11 NIIT-ICT Han...

Ngày tải lên: 05/07/2015, 22:10

... T1 circuit 13 NIIT-ICT Hanoi info@niithanoi.vn WAN physical layer T1/E1 or above Up to T1/E1ISDN (BRI): two 64 kbps (B channels) for data, one (D channel) at 16 kbps 2400bps up to T1 (1. 544M), ... 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 repeat...

Ngày tải lên: 05/07/2015, 22:10

... 1 1 Module 10 Routing Fundamentals and Subnets NIIT-ICT Hanoi info@niithanoi.vn 2 Contents ã Internet Protocol - Routed ã IP routing Protocols ã Mechanics of ... used ã IPv4: 010 0; IPv6: 011 0 NIIT-ICT Hanoi info@niithanoi.vn 20 Network Layer Fields ã 4 bits ã Indicates datagram header length in 32 bit words 11 NIIT-ICT Hanoi info@niithanoi.vn 21 Network Layer ... info@niitha...

Ngày tải lên: 05/07/2015, 22:11

... 1 Module 11 Transport and Application Layer NIIT-ICT Hanoi info@niithanoi.vn Contents ã TCP/IP Transport Layer ã TCP/IP Application Layer 2 NIIT-ICT Hanoi info@niithanoi.vn Overview ã ... the application layer of the TCP model. This means that issues of representation, encoding, and dialog control are handled in the application layer rather than in separate lower...

Ngày tải lên: 05/07/2015, 22:11

... through a modem or a CSU/DSU. 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) , 9 NIIT-ICT Hanoi info@niithanoi.vn ... Layer Data Link Layer OSI model WAN Specifications SMDS X21 bis EIA/TIA -23 2 EIA/TIA-449 V24 V35 HSSI G.703 EIA-530 LAPB Frame Relay X25 PLP HDLC PPP SDLC MAC sublayer Network Laye...

Ngày tải lên: 05/07/2015, 22:39

... source. NIIT-ICT Hanoi info@niithanoi.vn 22 Router>show version Cisco Internetwork Operating System Software IOS (tm) 25 00 Software (C2500-D-L), Version 12. 0(5), RELEASE SOFTWARE (fc1) Copyright ... Version 11.0(10c)XB2, PLATFORM SPECIFIC RELEASE SOFTWARE (fc1) Router uptime is 49 minutes System restarted by reload System image file is "flash:c2500-d-l_ 120 -5.bin" cisco 25...

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 ... entries at 0x 624 000 00 bd_ptr=0x4000 pak=0x0F5704 ds=0x62FFB8 status=80 pak_size =22 RouterB#show controllers serial 0 buffer size 1 524 HD unit 0, V.35 DCE cab...

Ngày tải lên: 05/07/2015, 22:39

... 2 (CDPv2) is the most recent release of the protocol. Cisco IOS (Release 12. 0(3)T or later) supports CDPv2. ã CDP Version 1 (CDPv1) is enabled by default with Cisco IOS (Release 10.3 to 12. 0(3)T). 3 NIIT-ICT ... connections 2 NIIT-ICT Hanoi info@niithanoi.vn 3 Introduction to CDP ã Cisco Discovery Protocol (CDP) is a Layer 2 protocol that connects lower physical media and uppe...

Ngày tải lên: 05/07/2015, 22:40

... file is "flash:c2600-do3s-mz. 120 -5.T1" 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: part ... Version 11.3 (2) XA4, RELEASE SOFTWARE (fc1) NoSmo-Gateway uptime is 5 weeks, 3 days, 20 hours, 33 minutes System returned to ROM by power-on System restarted at 13:30 :22 PST Thu M...

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 RTC(config)#ip ... running-config 1 72. 16.0.0/16 1 92. 168.1.0 /24 .1 .1 .2 .2 RTA RTB RTC 1 92. 168 .2. 0 /24 .1 .1 10.1.0.0/16 s0 s0 s1s1e0 e0 RT...

Ngày tải lên: 05/07/2015, 22:40

... Next-hop Net. Hops Address 10.1 .2. 0 /24 1 10.1 .2. 2 10.1.3.0 /24 1 10.1 .2. 2 10.1.1.0 /24 2 10.1 .2. 2 Routing Table Net. Hops Ex-Int 10.1.1.0 /24 0 e0 10.1 .2. 0 /24 0 s0 10.1.3.0 /24 1 10.1 .2. 2 Routing Table Net. ... Address 10.1 .2. 0 /24 1 10.1 .2. 2 10.1.3.0 /24 1 10.1 .2. 2 Routing Table Net. Hops Ex-Int 10.1.1.0 /24 0 e0 10.1 .2. 0 /24 0 s0 10.1.3.0 /24 1 10.1 .2. 2 Routin...

Ngày tải lên: 05/07/2015, 22:40