4A0-205 Exam Objectives - 4A0-205 Pass Exam

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Nokia 4A0-205 Exam Syllabus Topics:

SectionObjectives
Topic 1: Optical Network Design- Network Planning
  • 1. Link Budget Calculations
  • 2. Network Topologies
  • 3. Capacity Planning
Topic 2: Nokia Optical Networking Solutions- Nokia Optical Platforms
  • 1. Deployment Use Cases
  • 2. 1830 Photonic Service Switch Overview
  • 3. Network Management Applications
Topic 3: WDM Technologies- Wavelength Division Multiplexing
  • 1. DWDM Fundamentals
  • 2. CWDM Fundamentals
  • 3. Optical Multiplexing and Demultiplexing
Topic 4: Optical Transport Networks- OTN Architecture
  • 1. Network Scalability Concepts
  • 2. OTN Layers and Frames
  • 3. Client Signal Mapping
Topic 5: Protection and Restoration- Network Resiliency
  • 1. Restoration Techniques
  • 2. Protection Switching Mechanisms
  • 3. Service Availability Concepts
Topic 6: Network Operations and Management- Monitoring and Maintenance
  • 1. Performance Monitoring
  • 2. Fault Management
  • 3. Alarm Handling
Topic 7: Optical Networking Fundamentals- Optical Communication Basics
  • 1. Optical Signal Characteristics
  • 2. Fiber Optic Transmission Principles
  • 3. Optical Components and Devices

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Nokia Optical Networking Fundamentals Sample Questions (Q42-Q47):

NEW QUESTION # 42
What is a degree-1 node?

Answer: B

Explanation:
A degree-1 node is a node that only has one direction, and it is therefore a terminal node. This means that the node only has one input and one output port. It does not have any other ports to connect to other nodes or fibers. This is a common feature of some optical transport networks, such as ring networks, where a degree-1 node serves as the endpoint of the ring.


NEW QUESTION # 43
WDM allows transmission systems to:

Answer: B


NEW QUESTION # 44
What is the meaning of first, second, and third window in the optical fiber propagation context?

Answer: D

Explanation:
In optical fiber propagation context, the first, second, and third window refer to different wavelength intervals where the WDM (Wavelength Division Multiplexing) optical transmission occurs.
The first window is the lowest loss window and is typically in the range of 1300-1324nm. This is the most commonly used window for long-haul communications.
The second window is the 1550 nm window and is the most widely used window for long-haul and ultra-long-haul communications. This window has a lower attenuation than the first window, but it also has more dispersion, which can limit the maximum transmission distance.
The third window is the range of 1625-1675 nm, it is also called the L-band window. This window has lower attenuation than the first and second window but its usage is limited due to the high cost of equipment and lack of commercial devices.
These windows are used in WDM systems to increase the capacity of the fiber by transmitting multiple channels of data at different wavelengths on the same fiber.
A,C,D are not correct as they are not related to the meaning of first, second, and third window in the optical fiber propagation context.
Reference:
Nokia Optical Networking Fundamentals, Nokia Press (ISBN:978-1-4822-8109-4)
https://www.nokia.com/networks/solutions/optical-networking/
https://en.wikipedia.org/wiki/Wavelength-division_multiplexing


NEW QUESTION # 45
A user needs to check for interface details against the commands is the correct one?

Answer: D

Explanation:
show interface 11starla 1/17/L1 detail is the correct command to check for interface details. This command will display detailed information about the specified interface, including its status, configuration, and statistics.


NEW QUESTION # 46
A user needs to check for interface details against the commands is the correct one?

Answer: D

Explanation:
show interface 11starla 1/17/L1 detail is the correct command to check for interface details. This command will display detailed information about the specified interface, including its status, configuration, and statistics.


NEW QUESTION # 47
......

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