CCIP Implementing Cisco MPLS Exam (MPLS) : 642-611 Exam

Exam Number/Code: 642-611
Exam Name: CCIP Implementing Cisco MPLS Exam (MPLS)
VUE Code: 642-611
Questions Type: Single choice,
Real Exam Question Numbers: 55-65 questions
Exam Language(s): English

“CCIP Implementing Cisco MPLS Exam (MPLS)”, also known as 642-611 exam, is a Cisco certification.
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With the complete collection of questions and answers, Pass4sure has assembled to take you through 102 questions to your 642-611 Exam preparation. In the 642-611 exam resources, you will cover every field and category in CCIP helping to ready you for your successful Cisco Certification.

The MPLS exam is a qualifying exam for the CCIP certification (Cisco Certified Internetwork Professional). The 642-611 MPLS exam will test materials covered under the Implementing Cisco MPLS course. The exam will certify that the successful candidate has knowledge and skills necessary to gather information from the technology basics to some of the more updated features and functions such as Traffic Engineering, Fast Reroute and any Transport over MPLS (AToM). The exam covers topics on MPLS Concepts, MPLS Label Assignment and Distribution, Frame-Mode/Cell-Mode MPLS Implementation on Cisco IOS Platforms, MPLS Virtual Private Networks Technology, MPLS VPN Implementation, Complex MPLS VPNs, and Internet Access from a MPLS VPN.
642-611 MPLS
Implementing Cisco MPLS Exam
Exam Number: 642-611
Associated Certifications: CCIP
Duration: 90 minutes (55-65 questions)
Available Languages: English
Click Here to Register: Pearson VUE
Exam Policies: Read current policies and requirements
Exam Tutorial: Review type of exam questions

Exam Description Exam Topics Recommended Training Additional Resources
Exam Description

The MPLS exam is a qualifying exam for the CCIP certification (Cisco Certified Internetwork Professional). The 642-611 MPLS exam will test materials covered under the Implementing Cisco MPLS course. The exam will certify that the successful candidate has knowledge and skills necessary to gather information from the technology basics to some of the more updated features and functions such as Traffic Engineering, Fast Reroute and any Transport over MPLS (AToM). The exam covers topics on MPLS Concepts, MPLS Label Assignment and Distribution, Frame-Mode/Cell-Mode MPLS Implementation on Cisco IOS Platforms, MPLS Virtual Private Networks Technology, MPLS VPN Implementation, Complex MPLS VPNs, and Internet Access from a MPLS VPN.
Exam Topics

The following information provides general guidelines for the content likely to be included on the exam. However, other related topics may also appear on any specific delivery of the exam.
MPLS Fundamentals

* Explain basic core MPLS technology and concepts
* Explain the function of MPLS Labels and Label Stack
* Identify MPLS Applications

MPLS Operation

* Describe the characteristics and behaviors of Label Distribution in Frame-mode MPLS
* Explain Convergence in Frame-mode MPLS
* Describe the characteristics and behaviors of Label Distribution over LC-ATM Interfaces and VC Merge
* Describe the features of MPLS Label Allocation, Distribution, and Retention Modes
* Explain the process of LDP Neighbor Discovery

Frame-Mode/Cell-Mode MPLS Implementation, Configuration and Troubleshooting

* Identify the functions of CEF Switching
* Explain and configure Frame-mode MPLS on Cisco IOS platforms
* Monitor MPLS on Cisco IOS platforms – Frame-mode interfaces
* Troubleshoot Frame-Mode MPLS configurations on Cisco IOS Platforms
* Explain and configure Label-Controlled ATM MPLS
* Explain and configure LC-ATM MPLS over ATM Virtual Path
* Monitor LC-ATM MPLS on Cisco IOS platforms

MPLS Virtual Private Networks Technology

* Describe the characteristics and functions of Virtual Private Networks
* Describe Overlay and Peer-to-Peer VPNs
* Explain Major VPN Categorization
* Describe MPLS VPN Architecture
* Describe the MPLS VPN Routing Model
* Explain the process of MPLS VPN Packet Forwarding

MPLS VPN Implementation, Configuration and Troubleshooting

* Explain MPLS VPN Mechanisms supported on Cisco Platforms
* Configure VRF tables
* Configure MP-BGP Session between PE routers
* Configure Small Scale Routing Protocols
* Monitor MPLS VPN Operation
* Configure OSPF as the Routing Protocol
* Configure BGP as the Routing Protocol
* Troubleshoot basic MPLS VPN configuration errors

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Complex MPLS VPNs

* Describe the advanced VRF Import/Export Features
* Explain the characteristics of Overlapping VPNs
* Explain the features of Central Services VPNs
* Describe Managed CE Router Service

Internet Access from a MPLS VPN

* Explain VPN Internet Access Topologies
* Describe VPN Internet Access Implementation Methods
* Describe the methods to Separate Internet Access from VPN Service
* Internet Access Backbone as a Separate VPN

5.A CE router running EBGP with the MPLS VPN service provider’s PE router is not able to receive any BGP
updates from the PE router, and the debug ip bgp updates on the CE router shows the following debug message.
BGP(0): 150.1.11.18 rcv UPDATE about 150.1.12.16/28 — DENIED due to: AS-PATH contains our own AS
What can be configured on the PE router to solve this problem?
A: Configure the PE router as a route reflector with the CE router as one of its clients.
B: Configure AS-Path Prepending on the PE router.
C: Configure AS-Override on the PE router.
D: Configure AllowAS-In on the PE router.
E: Configure AllowAS-Out on the PE router.
Correct Answers: C

6.Within an MPLS domain, which of the following has the most impact on network convergence time?
A: the LDP convergence time
B: the IGP convergence time
C: the IGP to MPLS redistribution process
D: the time required to rebuild the LIB table
E: the time required to cache the routing table entries into the FIB table
Correct Answers: B

7.BGP is used as the CE-PE routing protocol in an MPLS VPN. The customer routes are successfully propagated

from the CE router to the ingress PE router, but they are not showing up on the egress PE router. What is the most
likely cause of the problem?
A: There is a BGP-to-MPBGP redistribution error on the ingress PE router.
B: There is a MPBGP-to-BGP redistribution error on the egress PE router.
C: One of the P routers is performing route summarization, breaking the path between the ingress and the egress
PE routers into two LSPs.
D: RTs attached to the CE routes exported by the ingress router are not matched by at least one of the import RTs
on the egress PE router.
E: A route reflector is used to propagate the routes from the ingress PE router to the egress PE router, thus
breaking the LSP.
Correct Answers: D

8.With MPLS VPNs, if the CE-PE routing protocol is BGP, which statement below is true?
A: The different customer sites must use different autonomous system numbers.
B: Manual route redistribution between EBGP and MP-BGP is required.
C: The SOO extended BGP community can be used to prevent routing loops.
D: A BGP virtual sham-link is required between the customer site’s CE routers to ensure optimal routing between
the customer sites.
E: The customer’s autonomous system number must match the MPLS VPN service provider’s autonomous system
number.
Correct Answers: C

9.What are two concerns when implementing CEF switching? (Choose two.)
A:increased CPU utilization from maintaining the FIB table
B:increased memory requirement
C:the requirement to disable other IOS features such as NBAR and MQC
D:increased memory requirement on the VIP when implementing DCEF
E:configuration complexity
F:troubleshooting complexity because of the many tables that CEF maintains
Correct Answers: B, D
10.Refer to the exhibit. How many different VRFs are required to support the given connectivity requirements?
Sites CE1A and CE1B require connectivity to each other. Sites CE2A and CE2B require connectivity to each
other. Site CE1C requires connectivity to sites CE1A, CE1B, CE3A, and CE3B. Site CE2C requires connectivity
to sites CE2A, CE2B, CE3A, and CE3B. Sites CE3A and CE3B require connectivity to each other and to CE1C
and CE2C.

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