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The EMR8 is 5U wide, which takes 2 slots.
Answer : B
The statement isFalse. TheEMR8board isnot 5U wideand does not occupy2 slots. Instead, the EMR8 is acompact boarddesigned to fit into a single slot within the chassis.
Here's a breakdown of the EMR8 board:
Form Factor:The EMR8 is a single-slot board, making it highly space-efficient.
Functionality:It provides advanced multiplexing and routing capabilities for optical networks, supporting services like OTN, SDH, and Ethernet.
Chassis Compatibility:Designed to work seamlessly with Huawei's optical transport platforms, such as the OSN series.
The confusion may arise from other boards or components that require multiple slots, but the EMR8 itself is a single-slot device.
Huawei EMR8 Board Specifications
Huawei OSN Series Product Documentation
Which board on OptiXtrans DC908 can support 400G/A?
Answer : C
The correct answer isMD02A. TheMD02A boardin theOptiXtrans DC908platform supports400G per wavelength, enabling high-capacity data transmission for backbone and core networks.
Key features of the MD02A board include:
High-Speed Transmission:Supports data rates up to400G per wavelength, leveraging advanced modulation techniques like DP-16QAM.
Flexibility:Compatible with various network architectures, including OTN, WDM, and Ethernet.
Scalability:Can be integrated into existing networks to boost capacity without requiring a complete overhaul.
Efficiency:Optimizes spectral efficiency, maximizing the utilization of available fiber resources.
Other options:
MD02:An earlier version of the board, typically supporting lower data rates.
MS04:Focuses on mid-range applications, not 400G.
N602:Designed for access networks rather than high-speed backbone transmission.
Huawei OptiXtrans DC908 Product Documentation
ITU-T G.709 Standards for OTN
Which of the following statements about OptiXtrans DC908 is correct?
Answer : B
The correct answer isOptiXtrans DC908 is 2U high, which is able to install in 600mm deep rack.
Here's an analysis of each option:
A . OptiXtrans DC908 cannot be managed by NCE:This is incorrect. The DC908 is fully compatible with Huawei'sNCE (Network Cloud Engine)for centralized management, monitoring, and automation.
B . OptiXtrans DC908 is 2U high, which is able to install in 600mm deep rack:This is correct. The DC908 has a compact2U form factor, making it ideal for space-constrained environments. Its shallow depth (compatible with 600mm racks) ensures flexibility in deployment, especially in data centers and edge locations.
C . OptiXtrans DC908 can support L2 function:This is incorrect. The DC908 primarily focuses on Layer 1 (physical layer) and Layer 0 (optical layer) transport, such as OTN and WDM. It does not natively support Layer 2 (data link layer) functions like switching or routing.
D . OptiXtrans DC908 is designed for the DCN application:This is incorrect. While the DC908 can be used for DCN (Data Communication Network) applications, its primary purpose isdata center interconnect (DCI)and high-capacity backbone transmission.
Huawei OptiXtrans DC908 Product Documentation
ITU-T G.709 Standards for OTN
OptiXtrans DC908 has 8 slots, each slot is 5U wide.
Answer : B
The statement isFalse. TheOptiXtrans DC908does not have8 slots, nor are the slots5U wide. Instead, the DC908 is acompact 2U devicewith a fixed configuration, meaning it does not use modular slots like some other optical transport platforms.
Key characteristics of the DC908 include:
Fixed Configuration:The DC908 is designed as an all-in-one device, integrating optical modules, amplifiers, and control units into a single chassis.
Compact Design:Its2U heightand shallow depth (compatible with 600mm racks) make it ideal for space-constrained environments.
High Capacity:Despite its small size, the DC908 supports up to8Tbps per fiber pair, leveraging advanced technologies like 400G wavelengths.
The confusion may arise from other devices in the OptiXtrans series that use modular designs, but the DC908 itself is not slot-based.
Huawei OptiXtrans DC908 Product Documentation
ITU-T G.709 Standards for OTN
What is the maximum single-fiber capacity of OptiXtrans DC908?
Answer : A
The correct answer is38.4T. TheOptiXtrans DC908supports a maximum single-fiber capacity of38.4 Tbps, making it one of the most advanced solutions for high-capacity optical transport.
Here's how the DC908 achieves this capacity:
WDM Technology:Combines multiple wavelengths on a single fiber, each carrying data at speeds up to400G.
Advanced Modulation:Uses modulation schemes like DP-16QAM to maximize spectral efficiency, enabling higher data rates within the same fiber spectrum.
High Density:Supports up to96 wavelengths per fiber, resulting in a total capacity of38.4 Tbps(96 x 400G).
Future-Proofing:Designed to accommodate emerging technologies like 800G wavelengths, ensuring scalability for future demands.
This level of capacity is critical for applications like data center interconnects, where large volumes of data need to be transmitted over long distances without bottlenecks.
Huawei OptiXtrans DC908 Product Documentation
ITU-T G.698 Standards for WDM
