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ccie lab exam sample

ccie lab exam sample

Here is the most accurate CISCO CCIE WRITTEN exam questions and answers. All study materials need to be carefully selected by professional certification experts to ensure that you spend the least amount of money, time, and pass the high quality exam. There is also a professional service team that can customize your study plan for you to answer all your questions, PASSHOT's CCIE Written Dumps is definitely the biggest boost for you to test CCIE that helping you pass any Cisco exam at one time.

CCIE Routing and Switching LAB Dumps

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Exam Code: CFG: LAB1、LAB1+、LAB2、LAB2+、LAB3
TS: TS1(5 sets)、TS2(3 sets)
DIAG:DIAG 1~DIAG 8(8 sets)

Certification Provider: Cisco

Certification Exam Name:CCIE Routing and Switching Lab

Update Date: Aug 17,2019

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  • Friends who are studying the security direction of CCIE definitely have some understanding of URPF technology, so today we will explain the URPF technology.I. Introduction to URPF TechnologyGenerally, after receiving the data packet, the router obtains the destination IP address in the data packet, searches the local routing forwarding table for the destination IP address,ccie lab exam sample, and forwards the data packet if there is a corresponding forwarding entry; otherwise, discards the packet. . From this point of view, when the router forwards the message, it does not care about the source address of the packet. This gives the source address spoofing attack a chance.The source address spoofing attack constructs a series of packets with the spoofed source address and frequently accesses the device or host where the destination address resides. Even if the response packet cannot reach the attacker, the attacker will cause a certain degree of damage to the attacked object.The main function of unicast reverse path forwarding (URPF) is to prevent network attack behavior based on source address spoofing. After the URPF function is enabled on the interface of the router, when the interface receives the data packet, it checks the legality of the source address of the data packet. The forwarding entry of the address enters the packet forwarding process; otherwise, the packet is discarded.Second, the working mechanism of URPFThe URPF checks the legality of the source address of the packet into strict (strict) and loose (loose) types:Strict-type URPF: not only requires the router to forward the table, but also has a route to the source address of the packet. It also requires that the inbound interface of the packet is the same as the outgoing interface to the source address. The message is considered to be a legitimate message. In some special cases (such as the existence of asymmetric paths), strict type checking will incorrectly discard non-attack messages.

CCIE Routing and Switching LAB

Exam Description

The CCIE Lab exam is an eight-hour, hands-on exam which requires you to configure and troubleshoot a series of complex networks to given specifications. Knowledge of troubleshooting is an important skill and candidates are expected to diagnose and solve issues as part of the CCIE lab exam.

DIAG: 30 minutes

the act or process of identifying the root cause

TS: The Troubleshooting module is 2 hours. If desired, candidates can extent the Troubleshooting module's time by borrowing up to 30 min from the Configuration module. Note, the total Configuration module time will be reduced by the extra time spend in the Troubleshooting module (if any, up to 30 min). If candidates finish the Troubleshooting module early, the unused Troubleshooting module’s time will be added to the Configuration module’s time, ensuring a total lab exam time of 8 hours. 


The Configuration module provides a setup very close to an actual production network having various security components providing various layers of security at different points in the network. Though the major part of the module is based on virtual instances of the Cisco security appliances, the candidate may be asked to work with physical devices as well. At the beginning of the module, the candidate has full visibility of the entire module. A candidate can choose to work in the sequence in which the items are presented or can resolve items in whatever order seems preferable and logical.

NOTE: The candidate must complete the modules in sequence and is not allowed to go back and forth between modules.

1. Layer 2 Technologies 20%

2. Layer 3 Technologies 40%

3. VPN Technologies 20%

4.Infrastructure Security 5%

5.Infrastructure Services 15%

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