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Transmission Technologies

MEF-CECP (MEF-Carrier Ethernet Certified Professional) Programme

The MEF Carrier Ethernet Certification Program is designed for individuals whose Carrier Ethernet technology, services and application expertise meet MEF criteria.  The MEF’s Carrier Ethernet Certified Professional (CECP) test validates knowledge of Carrier Ethernet technology, standards and applications.

The target audience for this initial certification will be technical marketing or product managers, pre-sales engineers, product planners, network consultants, technical sales, network operations engineers and application consultants.

Candidates will be test on topics like MEF Definitions, access technologies, MEF certification, target applications, circuit emulation over Ethernet, SOAM and comparisons with other network services.

They would need take a two-hour multiple choice exam that can be taken online from the home or office – regulated by web based proctoring technology to ensure the security and integrity of the examination, or at an approved test centre or at an MEF Accredited Training Provider’s facilities following the completion of their training course.

 

Exam Preparation

General Information

The MEF Carrier Ethernet Certified Professional (CECP) certification exam is for skilled Carrier Ethernet employees seeking to demonstrate their CE expertise.

This document provides information about the exam content sections to anyone who is interested in preparing for the CECP exam. Preparation can include the following:

  • MEF Exam Objectives
  • Carrier Ethernet training courses from MEF-Authorized Training Providers – Telefocal Asia
  • MEF web site for reference documents on certification, implementation agreements and acronym 

Exam Objectives

The CECP exam content sections that will be covered are listed below to help you prepare for the exam.

The CECP exam is targeted towards individuals that performs in job roles such as product manager, product planner, sales manager, sales engineer, or technical marketing representative. The candidate possesses the knowledge required to promote, define, market, and sell Carrier Ethernet products and services. The person has a working knowledge of:

  • MEF Ethernet services definitions and other common service definitions that are similar to MEF Ethernet service definitions
  • Key MEF UNI, ENNI, OVC, and EVC service attributes
  • Target applications for Ethernet services
  • Can compare and position Ethernet services with respect to legacy, L2, and TDM private line services

 

Exam Content

The exam covers the following 10 content sections:

Section 1: Service Definitions

  • Describe and distinguish between the service attributes of EPL, EVPL, EP-LAN, EVP-LAN, EP-Tree, EVP-Tree, Access EPL, Access EVPL.
  • Describe how EPL, EVPL, EP-LAN, EVP-LAN, EP-Tree, and EVP-Tree are used to meet various subscriber needs.

Section 2: Transporting Carrier Ethernet Services

  • Describe the connectivity properties of bridging, provider bridging, provider backbone bridging (PBB), provider backbone bridging with traffic engineering extensions (PBB-TE), Ethernet over SONET/SDH, Carrier Ethernet over MPLS VPWS, Carrier Ethernet over MPLS VPLS, Carrier Ethernet over MPLS TP, Carrier Ethernet over OTN, and Carrier Ethernet over WDM.
  • Describe the capabilities of the bridging, provider bridging, provider backbone bridging (PBB), provider backbone bridging with traffic engineering extensions (PBB-TE), SONET/SDH, MPLS VPWS, MPLS VPLS, MPLS TP, OTN and WDM with regards to delivery of Carrier Ethernet services.
  • Describe the advantages of specific Carrier Ethernet transport technologies.
  • Describe service protection mechanisms.

Section 3: Carrier Ethernet Access Technologies

  • Describe the capabilities of Ethernet over PDH, Ethernet over bonded copper, Ethernet over HFC, Ethernet over packet radio, Ethernet over fiber and Ethernet over PON.
  • Describe the advantages of specific Carrier Ethernet Access technologies.
  • Given a scenario, identify which Carrier Ethernet Access Technology will meet the stated requirements.

Section 4: Basic Definitions

  • Define Ethernet User-to-Network Interface (UNI), Ethernet External Network-to-Network Interface (ENNI), Ethernet Virtual Connection (EVC), Service Provider, Operator, and Operator Virtual Connection (OVC).
  • Describe the role of Ethernet User-to-Network Interface (UNI), Ethernet External Network-to-Network Interface (ENNI), Ethernet Virtual Connection (EVC), Service Provider, Operator, and Operator Virtual Connection (OVC).

Section 5: Key UNI, ENNI, OVC, and EVC Service Attributes

  • Define per UNI service attributes (e.g., physical interfaces, Frame format, Ingress/egress Bandwidth Profiles, CE-VLAN ID/EVC Map, UNI protection).
  • Define EVC per UNI service attributes (e.g. ingress/egress Bandwidth Profiles).
  • Define per EVC service attributes (e.g., CE-VLAN ID Preservation, CoS ID Preservation, Relationship between Service Level Agreement and Service Level Specification, Class of Service).
  • Define and describe ENNI attributes (e.g., physical interfaces, Frame format, Ingress/egress Bandwidth Profiles, End Point Map, ENNI protection).
  • Define OVC End Point per UNI and OVC End Point per ENNI service attributes (e.g., ingress/egress bandwidth profiles).
  • Define and describe OVC attributes (e.g., CE-VLAN ID Preservation, CoS ID Preservation, Relationship between Service Level Agreement and Service Level Specification, Class of Service, hairpin switching).
  • Describe bandwidth profiles.
  • Given a service scenario, describe relevant service attribute settings/parameters.
  • Define and describe the components of a Service Level Specification and the relationship to Service Level Agreement.
  • Define and describe the Carrier Ethernet protection mechanisms.

Section 6: Certification

  • Describe the Certification process and requirements for networking equipment.
  • Describe the Certification process and requirements for services delivered by a service provider.
  • Describe what is covered by CE 2.0 Certifications.
  • Describe the deliverables of MEF Certification for equipment vendors, service provider, and Carrier Ethernet certified professionals.

Section 7: Target Application for Ethernet Services

  • Describe wholesale access services, retail commercial/business services, mobile backhaul services, Ethernet access to IP services, and supporting legacy services over Ethernet.
  • Describe which UNI or ENNI attribute values are selected for a given target application.
  • Describe which EVC or OVC attribute values are selected for a given target application.
  • Describe how specific service requirements of a target application (e.g., frame relay, Dedicated Internet Access, DSL or Cable Internet access, TDM Private Lines, WDM private network) are met using Ethernet services.
  • Given a scenario determine appropriate Ethernet services.

Section 8: Comparing and Positioning Ethernet Services

  • Compare and contrast Ethernet services with L2, IP, and TDM private line services.
  • Given a scenario, recommend an Ethernet service to meet end user specifications.

Section 9: Circuit Emulation over Ethernet

  • Define the purpose and need for Circuit Emulation over Ethernet applications.
  • Define the critical components of circuit emulation over Ethernet service.
  • Define the MEF Service Definitions used to deliver emulated circuits.
  • Define the EVC service attributes required for emulated circuits.
  • Define the three techniques and their uses for delivering synchronised clock over emulated circuits (e.g., Adaptive, 1588v2, Synchronous Ethernet, NTP, PTP).
  • Describe how circuit emulation is used in Mobile Backhaul applications.

Section 10: Service Operations Administration and Maintenance (SOAM)

  • Describe the various partitioning of responsibilities for Service Operations Administration and Maintenance (SOAM).
  • Describe the basic mechanisms for fault management.
  • Describe the basic mechanisms for performance management.
  • Describe the basic metrics for performance management.
  • Describe the Service Lifecycle.

 


 

Example Test Questions

Please see the following questions and answers as examples.

  1. Which kind of UNI to UNI connectivity is used for the Ethernet Private Line (EPL) service?
    A. Ethernet Private Circuit

    B. Point to Point Ethernet Private Connection

    C. Point to Point Ethernet Virtual Connection

    D. Point to Point Ethernet Virtual Circuit
  2. Which three Service Types are defined in MEF 6.1? (Select three.):
    A. Ethernet Circuit (E-Circuit)

    B. Ethernet Line (E-Line)
    C. Ethernet Tree (E-Tree)

    D. Ethernet Transparent Connection (E-TC)
    E. Ethernet LAN (E-LAN)

    An enterprise has a hub location and three branch locations that need to be connected to the hub. The equipment at each branch consists of a single router with an Ethernet interface that is unable to support virtual LANs (VLANs). At the hub location there is a router that supports VLANs.

  3. Which service arrangement meets the needs of the enterprise?
    A. one instance of Ethernet Virtual Private Line (EVPL) between each branch and the hub
    B. one instance of Ethernet Virtual Private Line (EVPL) between each branch and the hub with Customer Edge VLAN Identifier (CE-VLAN ID) preservation = Yes

    C. one instance of Ethernet Private Line (EPL) between each branch and the hub

    D. two instances of Ethernet Private Tree (EP-Tree) with the hub UNI designated as a Root

 

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