accessing the wan ccna exploration companion guide pdf free download

... certifica-tions The CCNA curriculum includes four courses oriented around the topics on the Cisco Certified Network Associate (CCNA) certification Accessing the WAN, CCNA Exploration Labs and Study Guide ... verify WAN links The Accessing the WAN course focuses on the third, fifth, sixth, seventh, and eighth topics The Study Guide portion of each chapter offers exercises that help you learn the Accessing ... 6: Configure the FastEthernet Interface on the Branch 1 LAN 166 Task 7: Configure the FastEthernet Interface on the Branch 2 LAN 166 Task 8: Configure the FastEthernet Interface on the Branch 3

Ngày tải lên: 28/02/2019, 15:45

... you should have the most frequently used ACL entry at the top of the list –If no matches are found when the router reaches the end of the list, the traffic is denied because there is an implied ... outbound interface, the router checks the routing table to see if the packet is routable –If the packet is not routable, it is dropped ƒ Next, the router checks to see whether the outbound interface ... the router checks the destination Layer 2 address ƒ If the frame is accepted and the router checks for an ACL on the inbound interface ƒ If an ACL exists, the packet is now tested against the

Ngày tải lên: 05/07/2014, 03:20

... •The DCE connect subscribers to a communication link on the WAN –Data Terminal Equipment (DTE) - The customer devices that pass the data for transmission over the WAN •The DTE connects to the ... responsibility for the connection changes from the user to the service provider –Local Loop - The copper or fiber telephone cable that connects the CPE at the subscriber site to the CO of the service ... connect to the service provider network •These interfaces may be serial connections or other WAN interfaces –Core router - A router that resides within the middle or backbone of the WAN rather than

Ngày tải lên: 05/07/2014, 03:20

... –Data is encapsulated by the sending router –The frame is sent on a physical medium to the WAN –There are various ways to traverse the WAN, –The receiving router uses the same communications ... is wrong to assume that the 8 bits leaving the sender at the same time arrive at the receiver at the same time ƒ Clock Skew –Some of the bits get there later than others This is known as ... testing the data-link connection –The LCP establishes the point-to-point link –The LCP also negotiates and sets up control options on the WAN data link, which are handled by the NCPs ƒ The LCP

Ngày tải lên: 05/07/2014, 03:20

... there are no hourly charges Trang 6The Frame Relay WAN ƒ When you build a WAN, there is always 3 components, –DTE –DCE –The component sits in the middle, joining the 2 access points ƒ In the ... on each LAN is the DTE –A serial connection, such as a T1/E1 leased line, connects the router to the Frame Relay switch of the carrier at the nearest POP for the carrier –The Frame Relay ... because the number of links required increases dramatically –The issue is not with the cost of the hardware, but because there is a theoretical limit of less than 1,000 VCs per link In practice, the

Ngày tải lên: 05/07/2014, 03:20

... Trang 28The Network Security Wheel ƒ The security policy is the four steps of Security Wheel ƒ Step 1: Secure –Secure the network by applying the security policy and implementing the following ... of these groups differently –Each group should only be shown the portion of the policy appropriate to their work and level of access to the network –One document is not likely to meet the ... game, the Trojan horse mails a copy of itself to every address in the user's address book ƒ These kinds of applications can be contained through the effective use of antivirus software at the

Ngày tải lên: 05/07/2014, 03:20

... time, •The remote user, for example, then downloads his email from the mail server at 10.10.0.5, and downloads a document from the Archive at 10.2.3.4 Next, without exiting the tunnel, the remote ... signals on the cable in either direction at the same time The following frequency scope is used: –Downstream : Transmitting the signals from the cable operator to the subscriber, the outgoing ... digital data and finally passes the data to the computer over an Ethernet connection ƒ In the upstream direction, – the CM decodes the digital information from the Ethernet connection, modulates

Ngày tải lên: 05/07/2014, 03:20

... reassignment of the IP address to another client later, or for the client to get another assignment if the client moves to another subnet Clients may also renew leases and keep the same IP address ... farm These servers may provide DHCP, DNS, TFTP, and FTP services for the clients The problem is that the network clients typically are not on the same subnet as those servers Therefore, the ... as the DHCP server on the Fa0/0 and Fa0/1interfaces The DHCP server function is enabled under Additional Tasks in the Configure tab From the list of tasks, click on the DHCP folder and then

Ngày tải lên: 05/07/2014, 03:20

... topology, with the hubs of the stars linked to form the region •interconnect the regions to form the core of the WAN – Regions could be geographic, connecting between three and 10 areas, and the hub ... and you can ping the server, then you know that the problem is above Layer 3 •If you can't ping the server, then you know the problem is likely at a lower OSI layer Trang 14Guidelines for Selecting ... Trang 24Steps in WAN Design these are the steps for designing or modifying a WAN: ƒ Step 1 Locate LANs - Establish the source and destination endpoints that will connect through the WAN ƒ Step

Ngày tải lên: 05/07/2014, 03:20

... to each of the half note chords in the progression as well as breaking up the chord Play the root note of the chord as if it was a bass and the remaining notes like a guitar Notice the eight ... remembering to play the root of the chord on the first beat of the measure Practice perpetual motion exercises in the right hand (use different note values) while the left hand plays the quarter and ... the esential platform to explore most other Latin rhythms. The Latin Beat The dotted quater note-eight note pattern is the foundation of the latin beat The use of intervalic leaps of a up P5

Ngày tải lên: 26/01/2021, 01:36

... streets, their feet in the gutter, their noses in infection, their eyes outraged by the most repulsive garbage at every street corner The best-paid workmen live in these streets There are alleys, ... through the warren of narrow, medieval streets in the city’s center and began the construction of peripheral boulevards along the line of the tax wall of 1784 that once enclosed the city The new ... expansion into the area of the old walls and the open spaces, called the glacis, surrounding them.5 Just as Haussmann had promoted the construction of peripheral boulevards along the old tax wall

Ngày tải lên: 25/01/2022, 19:10

... to reflect the new route The metric value for the path is increased by one, and the source interface of the update is indi-cated as the next hop in the route RIP routers maintain only the best ... IP Network The router rip command enables RIP as the routing protocol The network command is then used to tell RIP which networks are directly connected for the router to adver-tise The routing ... that the 19.2-kbps path between the two hosts using the top routers is 2 hops The lower alternate path using the three T-1 links is 4 hops Because RIP path selection is based solely on the number

Ngày tải lên: 04/07/2014, 18:20

... is the U.S postal service where once you place the letter in the mail you hope that the mailing process gets the package delivered Figure 19-4 illustrates the TCP seg-ment header format, the ... Source port—The number of the source (port) for this segment.■ Destination port—The number of the destination (port) for this segment. data It is the number assigned to the first octet in the user ... unreachable to the other person, one person might simply ask the person to repeat their words (for reliability) so he or she can catch the words (flow control) The transport layer, Layer 4 of the OSI

Ngày tải lên: 04/07/2014, 18:20

... FastEthernet0 C 192.168.1.0/24 is directly connected, Serial1 S* 0.0.0.0/0 is directly connected, Serial1 RouterB# Understanding The Routing Table Part 1: The Routing Table Structure Part 2: The ... default routing behavior, whether classful or classless, is simple. The command to enable classless routing behavior is: RouterB(config)#ip classless RouterB(config)# The command to disable classless ... These 24 bits match! Ultimate Route 192.168.1.0 11000000 10101000 00000001 00000000 Part 2: The Lookup Process 29 Classless and Classful Routing Behavior Changing the...

Ngày tải lên: 18/03/2014, 14:20

... over the Network CCNA Exploration 4. 0CCNA Exploration 4.0 End Devices and their Role on the Network ã The network devices that people are most familiar with are called end devices. These ... Devices and their Role on the Network ã Intermediary devices to provide connectivity and to work behind the scenes to ensure that data flows across the network. ã These devices connect the individual ... Website: www.bkacad.com The Internet A Network of Networks ã Although there are benefits to using a LAN or WAN, most of us need to communicate with a resource on another network, outside of...

Ngày tải lên: 12/12/2013, 14:15

... of the communication process, the user data has been segmented by the Transport layer, placed into packets by the Network layer, and further encapsulated as frames by the Data Link layer. The ... layer. The purpose of the Physical layer is to create the electrical, optical, or microwave signal that represents the bits in each frame. These signals are then sent on the media one at a time. ... installations. With the use of Token Ring declining, the demand for shielded twisted-pair cabling has also waned. The new 10 GB standard for Ethernet has a provision for the use of STP cabling....

Ngày tải lên: 22/12/2013, 13:17

... contemporary lives, their therapeutic value in heath and mental health research, and their deep meaning for human companions over the life course. The potential therapeutic value of animal companionship ... Curi- ous George and Where the Wild Things Are engage children’s imaginations as they help them to process their eager explorations and fears of the world around them. In The Wizard of Oz, Dorothy’s ... side in the FDR Memorial sculpture on the capitol mall. The term pet (from the root of the French word ‘‘petit’’) has long been the affec- tionate term for animals kept for pleasure and companionship...

Ngày tải lên: 15/02/2014, 13:20

... do they care about most? What are their problems? Have they purchased from you before? Are they currently buying from a competitor? Also consider their gender, hobbies, location and other ... hobbies, location and other specics; these can all help you determine the best ways to reach them, as well as the messages that will work best. HOT TIP See the Key Terms section for an explanation ... think they need special skills to reach new customers online. Overwhelmed by the number and seeming complexity of online marketing options, they sit on the sidelines, eager to get in the game...

Ngày tải lên: 17/02/2014, 21:20

... than the amount owed, the insurance company may terminate the policy and the United States will pay the insurance company the difference between the cash surrender value and the amount of the then ... defend the suit, is the requirement that the servicemember have a meritorious defense to the suit. 44 That is, at the time of the default judgment, the servicemember could not defend the suit ... 260 - The Servicemembers Civil Relief Act Guide 2-7 holding that the protection allowing for the tolling expired on the last day of the plaintiff’s active duty, not the following day (the...

Ngày tải lên: 06/03/2014, 10:20

... reserved. Cisco Public 11 Select the Appropriate WAN Technology to meet ECNM Requirements  List the various options for connecting subscribers to the WAN © 2006 Cisco Systems, Inc. ... Describe how the Cisco Enterprise Composite Model (ECNM) provides integrated services over an Enterprise network.  Describe the key WAN technology concepts.  Identify the appropriate WAN technologies ... terms of the OSI Reference Model © 2006 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