Nokia SR Linux Automation Expert Lab Exam

Exam name: Nokia SR Linux Automation Expert Lab Exam

Exam number: DCFAE-LE

Mandatory prerequisite exams :

To register for the lab exam, candidates must have passed the following prerequisite exam:

• Nokia Data Center Fabric Fundamentals Exam (4A0-D01)

Exam duration: 3.5 Hours

Language: English

Price: €650

You can prepare for the lab exam by attending instructor-led courses, eLearning, self-studying, and practicing your hands-on skills using My DCF Learning Labs.

Instructor-led training:

• Nokia Data Center Fabric Fundamentals (4 days)
• Programming SR Linux: Management APIs and Automation
• Programming SR Linux: NetOps Development Kit, CLI Plugins, and Event Handler

 eLearning:

• Nokia Data Center Fabric Fundamentals (4 hours)

Self-study:

• Access the same materials used in our instructor-led training for self-study.

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My DCF Learning Labs

• More than just a lab service, My DCF Learning Labs offers lab exercises from our instructor-led courses complete with inline instructions and solutions, giving you everything you need in one easy-to-use browser-based application.  

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Credit toward certification:

Nokia Certified SR Linux Automation Expert

What to Expect

The Nokia SR Linux Automation Expert Lab Exam is a three-and-a-half-hour practical lab exam that tests a candidate's ability to configure, program and troubleshoot YANG data model, gNMI, gNOI, gRIBI, JSON-RPC, ansible, NetOps development kit (NDK), CLI plugin, and event handler in Nokia SR Linux.

To register for the Nokia SR Linux Automation Expert Lab Exam, candidates must have passed the following prerequisite written exam:

• Nokia Data Center Fabric Fundamentals Exam (4A0-D01)

   

Exam topics

Exam topics are summarized in the sections below. Candidates should be able to configure and verify all topics and features; however, it is possible that not all topics will be covered in the exam.

YANG

• YANG data model constructs
• YANG data nodes
• YANG built-in types and derived types
• YANG Xpath
• Type leafref
• Emulation
• Identityref
• YANG grouping and augment capability
• YANG constraints statement
• YANG model extensions, restrictions, and deviations
• Native and OpenConfig YANG models
• Pyang
• SR Linux datastores

gNMI

• Python
• protobuf
• gNMI gRPCs and APIs
• gNMI client and server 
• gNMI proto definition
• gnmic
• pygnmi

gNOI

• Python
• gNOI gRPCs and APIs
• gNOI client and server 
• gNOI proto definition
• gnoic

gRIBI

• Python
• gRIBI gRPCs and APIs
• gRIBI client and server 
• gRIBI proto definition
• gribic

JSON-RPC and ansible

• Python
• JSON-RPC APIs
• Ansible inventory files
• Ansible playbook
• Ansible and SR Linux modules

NetOps Development Kit (NDK)

• Python
• Onboard custom application
• Application configuration file
• Application YANG model
• Application executable
• NDK gRPC services

CLI plugins

• Python
• CLI syntax
• Schema
• State datastore 
• Data formatted
• Callback function

Event handler

• Micro-python script
• Event handler paths and options
• Event handler input/output JSON string 

Exam notes and tips

During the exam, candidates will have access to soft copies of the product manuals only as reference material. The product manuals will be accessible from the PC used to access the exam equipment. Other notes, textbooks or reference materials are prohibited. Electronic devices, including cell phones, are also prohibited. For on-site lab exams, candidates will be provided with a pen and paper. Pen and paper are prohibited for virtual lab exams. The exam pass mark is 80 percent. Candidates must correctly complete specific parts of the exam to obtain full marks in later parts of the exam. Candidates must complete the exam within 3.5 hours. 

Listed below are some tips to help candidates successfully prepare for and write the Nokia SR Linux Automation Expert Lab Exam:

1. Study all of the prerequisite student materials and labs. Review the exam preparation tab for more details.
2. Make sure to practice giving yourself enough time to double check your work and verify the correct operation of your solution.
3. Ask the proctor questions about anything unclear to you on the exam. The exam proctor will attempt to clarify any instructions or information that may be ambiguous. Do not expect the proctor to provide answers to the questions on the exam at any time. 
4. Read each question very carefully. Be thorough in your solution, but remember to pace yourself appropriately.

Lab exams are delivered virtually or at select Nokia locations.  To take the exam virtually, you must meet the system requirements below, or you can visit our lab exam registration page to view available locations for in-person delivery.

Virtual system requirements:

• A webcam
• A microphone
• A single monitor (only one monitor is allowed)
• Minimum 4 Mbps end-to-end internet connection (a wired network connection is preferred)
• Windows 10.0
• Microsoft Edge 11.0
• 60 GB of free hard disk space12 GB of RAM (6GB dedicated allocated memory for VMPlayer)
• Administrative privileges on the PC
• Hardware virtualization support at CPU level on the PC (Intel VTx)