ccna accessing the wan chapter 2 exam

... devices. The DTE is the RS -23 2C interface that a computer uses to exchange data with a modem or other serial device. The DCE is the RS -23 2C interface that a modem or other serial device uses ... request requires no authentication, then PPP progresses to the next level. –If an incoming PPP request requires authentication, then it can be authenticated using either the local database ... call. © 20 06 Cisco Systems, Inc. All rights reserved. Cisco Public ITE I Chapter 6 1 Point-to-Point Protocol Accessing the WAN – Chapter 2 Cisco Thai Nguyen Networking Academy â 20 06 Cisco...

Ngày tải lên: 05/07/2014, 03:20

... fa0 1 72. 16.1.0 /24 1 72. 16 .2. 0 /24 1 72. 16.3.0 /24 1 72. 16.4.0 /24 1 92. 168.1.0 /24 .1 .1 .2 .1 .1 .1 .2 1 72. 16.10.0 /24 lo1 1 72. 16 .20 .0 /24 lo2 1 72. 16.30.0 /24 lo3 1 72. 16.40.0 /24 lo4 22 The Default Route RouterB(config)#ip ... 1 72. 16 .2. 2 03: 12: 45: RT: add 1 72. 16.3.0 /24 via 1 72. 16 .2. 2, static metric [1/0] RouterA(config)# Router B Router CRouter A s0 s0 s0 s1 fa0 fa0 fa0 1 72. 16.1.0 /24 1 72. 16 .2. 0 /24 1 72. 16.3.0 /24 1 72. 16.4.0 /24 1 92. 168.1.0 /24 .1 .1 ... Serial1 RouterB# Router B Router CRouter A s0 s0 s0 s1 fa0 fa0 fa0 1 72. 16.1.0 /24 1 72. 16 .2. 0 /24 1 72. 16.3.0 /24 1 72. 16.4.0 /24 1 92. 168.1.0 /24 .1 .1 .2 .1 .1 .1 .2 27 Classless Routing Behavior RouterB#show ip route Gateway...

Ngày tải lên: 18/03/2014, 14:20

... ITE 1 Chapter 6 12 Cisco Thai Nguyen Networking Academy WAN Physical Layer Standards  The WAN physical layer also describes the interface between the DTE and the DCE. –EIA/TIA -23 2 - This ... all the VCs require maximum demand simultaneously, the capacity of the leased line can be smaller than the sum of the individual VCs.  Examples of packet- or cell-switched include: –X .25 ... on a 25 -pin D-connector over short distances. It was formerly known as RS -23 2. The ITU-T V .24 specification is effectively the same. –EIA/TIA-449/530 - This protocol is a faster (up to 2 Mb/s)...

Ngày tải lên: 05/07/2014, 03:20

... unicast so that the other node gets the routing updates.  In the example, R1 uses the frame-relay map command to map the VC to R2.  To verify the Frame Relay mapping, use the show frame-relay ... Relay  Step 1. Setting the IP Address on the Interface –R1 has been assigned 10.1.1.1 /24 , –R2 has been assigned 10.1.1 .2/ 24.  Step 2. Configuring Encapsulation The encapsulation frame-relay ... (DE = 0). Excess Burst Size (BE) The BE is the term used to describe the bandwidth available above the CBIR up to the access rate of the link. Unlike the CBIR, it is not negotiated. ãFrames...

Ngày tải lên: 05/07/2014, 03:20

... port 22 . –Using TeraTerm to connect securely to the R2 router with SSH, –once the connection is initiated, the R2 displays a username prompt, followed by a password prompt. –Assuming that the ... Nguyen Networking Academy â 20 06 Cisco Systems, Inc. All rights reserved. Cisco Public ITE 1 Chapter 6 28 The Network Security Wheel  The security policy is the four steps of Security Wheel. ... authentication-retries integer to enable timeouts and authentication retries. –Set the SSH timeout to 15 seconds and the amount of retries to 2 Cisco Thai Nguyen Networking Academy â 20 06...

Ngày tải lên: 05/07/2014, 03:20

... 0.0.0 .25 5 – R1(config)# access-list 10 permit 1 92. 168 .21 .0 0.0.0 .25 5 – R1(config)# access-list 10 permit 1 92. 168 .22 .0 0.0.0 .25 5 – R1(config)# access-list 10 permit 1 92. 168 .23 .0 0.0.0 .25 5 – ... 1 92. 168 .24 .0 0.0.0 .25 5 – R1(config)# access-list 10 permit 1 92. 168 .25 .0 0.0.0 .25 5 – R1(config)# access-list 10 permit 1 92. 168 .26 .0 0.0.0 .25 5 – R1(config)# access-list 10 permit 1 92. 168 .27 .0 ... Standard ACL: In the figure, the administrator wants to prevent traffic originating in the 1 92. 168.10.0 /24 network from getting to the 1 92. 168.30.0 /24 network. –An standard ACL on the outbound...

Ngày tải lên: 05/07/2014, 03:20

Ngày tải lên: 05/07/2014, 03:20

Ngày tải lên: 05/07/2014, 03:20

Ngày tải lên: 05/07/2014, 03:20

... Define the three phases of PPP session establishment © 20 06 Cisco Systems, Inc. All rights reserved. Cisco Public 1 Version 4.0 Access Control Lists Accessing the WAN – Chapter 5 © 20 06 ... Describe the key WAN technology concepts.  Identify the appropriate WAN technologies to use when matching ECNM best practices with typical enterprise requirements for WAN communications. © 20 06 ... terms of the OSI Reference Model © 20 06 Cisco Systems, Inc. All rights reserved. Cisco Public 23 Configuring PPP with Authentication  Outline the PPP encapsulation and authentication...

Ngày tải lên: 03/04/2014, 13:52

... 2 41 4 41 =− () −− + ()                 =− () −− + ∞ ∞ ∞ ∞ ∞ π β πβ π β , , II rkRT T 2 2 4 ()                 ∞ πβ I BbA A BbA A BBBBBB gg 1 22 1 1 1 12 2 2 2 22 11 11 22 12 21 1 1 = − () − () +− () −−+ − I BbA A BbA A BBBBBB gg 2 11 2 2 2 21 1 1 1 22 11 11 22 ... bl 11 22 0àà+= nd nd Ad sl sl 11 22 0àà++= à i i v r += 2 0 * 4 3 3 11 2 2 rnvnv=+ àà 12 21 vv= r v i i * = 2 à Gr**= 4 3 2 nd nd Ad ll 11 22 0àà++= L 829 /frame/ch 02 Page 30 Monday, January 31, 20 00 ... rRm pp =+ () 22 12 2 / Grfmx* * (,)= 2 3 2 12 L 829 /frame/ch 02 Page 34 Monday, January 31, 20 00 2: 03 PM â 20 00 by CRC Press LLC Physical Chemistry of Aerosol Formation 35 where (2. 43) and (2. 44) and (2. 45) Nucleation...

Ngày tải lên: 18/06/2014, 19:20

... 10 10 y 22 8 Ra 5.8 y 6.1 h 22 8 Ac 23 2 22 8 1.9 y 56 s 0.15 s 3.7 d 21 2 Pb 21 6 Po 22 0 Rn 22 4 Ra 11 h 21 2 Bi 21 2 Po 20 8 Tl 61 m (64%) 3.1 m 61 m (36%) 3.1 ì 10 7 s 20 8 Pb DK594X_book.fm Page 27 Tuesday, ... h 23 5 U 23 1 Pa 22 7 Ac 22 y (99%) 4 s 11 d 19 d 21 9 Rn 22 3 Ra 21 5 Po 22 7 21 1 Pb 8 ì 10 4 s 21 1 Bi 20 7 Tl 20 7 Pb 36 m 2. 1 m 4.8 m 22 3 Fr 22 y (1%) 22 m 3.3 × 10 4 y DK594X_book.fm Page 28 Tuesday, June 6, 20 06 ... m 23 8 U 23 4 Pa 23 4 U 2. 4 ì 10 5 y 3.8 d 1.6 ì 10 3 y 7.7 ì 10 4 y 22 2 Rn 22 6 Ra 21 8 Po 23 0 21 4 Pb 3 m 21 4 Bi 21 4 Po 21 0 Pb 20 m 6.4 ì 10 5 s 21 0 Bi 22 .3 y 5 d 21 0 Po 138 d 27 m 20 6 Pb DK594X_book.fm...

Ngày tải lên: 18/06/2014, 19:20

... 16 2. 3 .2 Critical Physical and Chemical Properties 17 2. 4 Types of Nanomaterials and Applications 23 2. 4.1 Titanium Dioxide 25 2. 4 .2 Zero -Valent I ron 25 2. 4.3 Silver 26 2. 4.4 Carbon Black 27 2. 4.5 ... 13 2. 2 .2 Composition and Structure 13 2. 2.3 Free versus Fixed Nanoparticles 15 2. 3 Properties of Nanoscale Materials 16 2. 3.1 Overview 16 2. 3.1.1 Effect of Increased Surface Area 16 2. 3.1 .2 Inuence ... nanomateri- alstoillustratevariousaspectsofnanotechnology.Unlessotherwisenoted,product informationinthischapteroriginatedfromtheNanotechnologyConsumerProducts InventorymaintainedbytheWoodrowWilsonInstitute[1]. CONTENTS 2. 1 Denitions 12 2 .2 Classication of Nanosca le Mater ials 13 2. 2.1 Origin...

Ngày tải lên: 18/06/2014, 22:20

... Halling-Sørensen 20 00; Boxall et al. 20 04). Over the past 10 years, the scientic community has become increasingly interested in the impacts of veterinary medicines on the environment, and there have ... cattle with the antipara- sitic drug ivermectin. Nature 327 :418 421 . â 20 09 by the Society of Environmental Toxicology and Chemistry (SETAC) Uses and Inputs of Veterinary Medicines in the Environment ... through direct loss from the coat if the animal enters the water. 2. 3.5 DISPOSAL OF UNWANTED DRUGS Veterinary medicines may be subject to disposal at any stage during their life cycle. It is...

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