Ensurepass Enhanced Interior Gateway Routing Protocol – (EIGRP) is a Cisco proprietary routing protocol loosely based on their original IGRP. EIGRP is an advanced distance-vector routing protocol, with optimizations to minimize both the routing instability incurred after topology changes, as well as the use of bandwidth and processing power in […]
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Feb, 2013
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Feb, 2013
CCNA Quick Notes – PPP
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Ensurepass 1.PPP can be used over what physical WAN interfaces? PPP can be used on the following: Asynchronous serial interfaces High-Speed Serial Interface (HSSI) ISDN Synchronous serial interfaces 2.PPP is a data link layer protocol that provides network-layer services. What are the two sublayers of PPP? The two sublayers of […]
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Feb, 2013
Network Address Translation (NAT)
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Ensurepass The advantage of using private IP addresses is that it allows an organization to use private addressing in a network, and use the Internet at the same time, by implementing Network Address Translation (NAT). NAT is defined in RFC 1631 and allows a host that does not have a […]
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Feb, 2013
CCNA Quick Notes – VLANs
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Ensurepass 1.What are VLANs? VLANs are broadcast domains in a Layer 2 network. Each broadcast domain is like a distinct virtual bridge within the switch. Each virtual bridge you create in a switch defines a broadcast domain. By default, traffic from one VLAN cannot pass to another VLAN. Each of […]
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Feb, 2013
CCNA Books
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640-802 Resources
Ensurepass CCNA® (Cisco Certified Network Associate) certification validates the knowledge and skills required to install, operate and troubleshoot a small to medium-sized routed and switched network, including the ability to implement and troubleshoot protocols to manage addressing and authentication, as well as establish and troubleshoot connections to service providers over […]
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Feb, 2013
Chris Bryant – World Class Cisco Training
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Ensurepass This collection of PDF files will greatly help you pass your CCNA certification. Includes: – 100 CCNA exam gotchas – and how to avoid them! – 150 commands every CCNA must know! – 180 practice questions e-book. – 600 quality questions e-book. – Mastering binary math and subnetting. – […]
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Feb, 2013
Bridging and Swtiching
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Ensurepass Bridging is used to connect two network segments. This alleviates congestion problems on a single Ethernet segment and extends allowed cabling distances because the segments on each side of the bridge conformed to the same distance limitation as a single segment. This bridge is called “transparent bridging” because the […]
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Feb, 2013
CCNA Quick Notes – Routing
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Ensurepass 1.How do OSPF-enabled routers build adjacencies and exchange their routing tables? OSPF-enabled routers build adjacencies by sending Hello packets out through all OSPF-enabled interfaces. If these routers share a command link and agree on parameters set within their Hello packets then they become neighbors. If these parameters differ then […]
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Feb, 2013
Wireless Networks
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Ensurepass Conventional Ethernet networks require cables connected computers via hubs and switches. This has the effect of restricting the computer’s mobility and requires that even portable computers be physically connected to a hub or switch to access the network. An alternative to cabled networking is wireless networking. The first wireless […]
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Feb, 2013
CCNA Quick Notes – Frame Relay
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Ensurepass 1.What protocol does Frame Relay rely on for error checking? Frame Relay does not rely on any certain protocol for error checking. Instead, it relies on upper-layer protocols to provide error checking. For example, Frame Relay relies on TCP to provide error checking in an IP network. 2.At what […]
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Feb, 2013
Manage Cisco IOS
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Ensurepass Configuring Cisco IOS Configuration mode is one of the modes for the Cisco CLI. It is similar to user mode and privileged mode. User mode allows commands that are not disruptive to be issued, with some information being displayed to the user. Privileged mode supports a superset of commands […]
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Feb, 2013
BCMSN Lab3 – Configuring L2 & L3 EtherChannel with LACP
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CCNP Miscellaneous
Ensurepass 【Lab Objectives】 1. Master the configuration methods of the Cisco-proprietary LACP link aggregation protocol. 2. Master the differences between the Layer2 LACP configuration and the Layer3 LACP configuration. 3. LACP is the public standard link aggregation protocol. 【Lab Topology】 【Lab Steps】 1.This lab uses two Cisco Catalyst 3750 Series […]
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Feb, 2013
BCMSN Lab5 – Configuring Layer 3 Redundancy with VRRP
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CCNP Miscellaneous
Ensurepass 【Lab Objective】 Master the configuration of Layer3 redundancy with VRRP for gateways 【Lab Topology】 【Lab Steps】 1. This lab can be completed by using Layer3 switches or routers, if using routers, you should examine the IOS version to make sure that it supports HSRP protocol. 2. Configure PC1 and […]
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Feb, 2013
Many Resources for CCNA study
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640-802 Resources
Ensurepass Cisco Certified Network Associate (CCNA®) validates the ability to install, configure, operate, and troubleshoot medium-size route and switched networks, including implementation and verification of connections to remote sites in a WAN. CCNA curriculum includes basic mitigation of security threats, introduction to wireless networking concepts and terminology, and performance-based skills. […]
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Feb, 2013
CCNP BSCI(642-901) Lab – ISIS EIGRP Redistribution
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642-901 Resources
Ensurepass The Pass4sure company recently completed merging with Lynaic. The two companies have been using separate routing protocols on their corporate networks, and an immediate solution is required for the two companied to begin sharing data. A boundary router, Amadiya, has been established to perform mutual redistribution of route information […]
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Feb, 2013
OSPF – Things to Remember
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Ensurepass 1. The IP header of an OSPF packet specifies protocol number 89. 2. To establish OSPF neighbor adjacency, hello/dead timers, MTU (otherwise have to use "ip ospf mtu-ignore") must match. Unique router-id is also required. 3. Routers in stub area can only be adjacent with the routers in stubs […]
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Feb, 2013
Comparing EIGRP & OSPF
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CCNP Miscellaneous
Ensurepass EIGRP and OSPF are both excellent routing protocols and each provides a unique set of benefits for designing and implementing a scalable network. Both protocols can be used for a wide variety of networks from small regional networks to large global network systems. A question which is frequently asked […]
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Feb, 2013
CCNA Security Quick Learning
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Ensurepass This 20-minute Quick Learning Module explains best practices and recommendations for securing Cisco IOS system devices. The module is structured around three planes, into which functions of a network device can be categorized. It also contains an overview of secure operations, which do not constitute a network plane but […]
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Feb, 2013
CCNP BCMSN(642-812) Lab – VTP
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642-812 Resources
Ensurepass VLAN Trunk Protocol (VTP) reduces administration in a switched network. When you configure a new VLAN on one VTP server, the VLAN is distributed through all switches in the domain. This reduces the need to configure the same VLAN everywhere. VTP is a Cisco-proprietary protocol that is available on […]
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Feb, 2013
CiscoPress – CCNA Security Course Booklet, Version 1.0
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Ensurepass The Cisco CCNA Security curriculum provides a comprehensive overview of contemporary network security, helping Cisco Networking Academy students systematically prepare for the latest CCNA Security exam. While extensive online study resources are available, many students and instructors have requested a low-cost printed resource that can be used to study […]
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Feb, 2013
CCNP ISCW(642-825) Lab – PPPoE
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CCNP Miscellaneous
Ensurepass Pass4sure is a small export company .This firm has an existing enterprise network that is made up exclusively of routers that are using EIGRP as the IGP. Its network is up and operating normally. As part of its network expansion, Pass4sure has decided to connect to the internet by […]
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Feb, 2013
EIGRP Lab5 – Configuring EIGRP Authentication
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CCNP Miscellaneous
Ensurepass 【Lab objectives】 1. Understand EIGRP authentication process 2. Learn EIGRP authentication configuration 【Lab Topology】 【Lab steps】 1. Configure IP addresses of every router, and use ping command to confirm the direct interface connectivity of every router. 2. Configure on two routers EIGRP auto system number as 50 3. Check […]
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Feb, 2013
IGP – Default Route Summary
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Ensurepass Default route RIP static route 0.0.0.0 to null 0, and the “network 0.0.0.0” command under the RIP process, static route 0.0.0.0 to null 0, and the “redistribute static” command under the RIP process, “default-information originate” command (advertises a default route even if a default route does not exist in […]
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Feb, 2013
CCNA Voice Bible (640-460) – Traditional Telephony
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Ensurepass Question 1 What are two benefits of using an ITSP for long distance telephony services? (Choose two) A. Connection to an ITSP is very granular and can provision from 1 to hundreds of simultaneous calls. B. Connection to an ITSP is only available in full T1/E1/PRI circuit quantities. C. […]
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Feb, 2013
CCNP Composite(642-892) Hotspot 2 – Spanning Tree
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CCNP Miscellaneous
Ensurepass There is a hotspot question in the CCNP Composite 642-892 exam. You study the network topology carefully, see exhibit. Then you connect to the SW-c ; issue the show spanning tree command. Please refer to the exhibit for the output. You are then required to answer the scenario questions […]
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Feb, 2013
CCNA Voice Bible (640-460) – Voice VLAN
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Ensurepass Question 1 What is the difference between voice VLAN and native VLAN? A. Voice VLAN uses tagged 802.1Q frames whereas native VLAN uses 802.1P frames. B. Voice VLAN uses untagged frames whereas native VLAN uses 802.1Q frames. C. Voice VLAN uses tagged 802.1Q frames whereas native VLAN uses untagged […]
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Feb, 2013
OSPF Lab1 – Configuring OSPF in NBMA
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CCNP Miscellaneous
Ensurepass 【Lab objectives】 1. Learn the two configuration method of manual and auto setup of OSPF neighbor relations in NBMA network 2. Learn how to specify OSPF interface priority, and how to avoid DR selection error by changing OSPF default interface network type. 【Lab Topology】 【Lab steps and requirements】 1. […]
