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Tag Archives: SDLCSA high passing score

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2025 New Training Course SDLCSA Tutorial Preparation Guide [Q12-Q27]

2025 New Training Course SDLCSA Tutorial Preparation Guide [Q12-Q27]

December 17, 2025 adminSDLCSA, SupermicroSDLCSA high passing score, SDLCSA latest exam cram, SDLCSA reliable practice questions download, SDLCSA valid exam cram sheet fileLeave a Comment on 2025 New Training Course SDLCSA Tutorial Preparation Guide [Q12-Q27]

2025 New Training Course SDLCSA Tutorial Preparation Guide

Dumps of SDLCSA Cover all the requirements of the Real Exam

NO.12 Which 3 components of the SYS-421GE-TNHR2-LCC does this training discuss break/fix for? (Choose 3 answers)

 
 
 
 
The SYS-421GE-TNHR2-LCC, a DLC-enabled server, focuses break/fix training on key physical components per Supermicro’s service scope:
* PCIe Tray: Houses GPUs/NICs, critical for DLC cooling (e.g., cold plates on GPUs).
* Motherboard Tray: Contains CPUs and core systems, also liquid-cooled in DLC setups.
* External Chassis: Encloses all components, requiring access for repairs.Bluetooth (C) is a connectivity feature, not a physical component for break/fix in this context, and Supermicro’s DLC documentation (e.g., rack-scale solutions) emphasizes trays and chassis. Thus, A, B, and D are the focus.References:
Supermicro DLC solution breakdowns, SYS-420 series service guides.

NO.13 In order to remove the AOM cage, best describe the location of the 4 screws that need to be removed.

 
 
 
 
The AOM (Add-On Module) cage in the SYS-421GE-TNHR2-LCC is secured with2 screws on the top and
2 on the side, a balanced approach in Supermicro’s modular designs (e.g., SYS-420GP-TNAR). This ensures stability and accessibility in DLC systems. A and B skew placement, while C (all top) ignores side support. D matches Supermicro’s chassis engineering, making it correct.References:Supermicro AOM cage specs, DLC system structural design.

NO.14 In order to remove a side bracket from the SYS-421GE-TNHR2-LCC, where are the 4 screws located that must be removed?

 
 
 
 
The side bracket in the SYS-421GE-TNHR2-LCC, likely housing add-on components, is secured with2 screws on the top and 2 on the side, a balanced approach seen in Supermicro’s modular designs (e.g., SYS-
420GP-TNAR). This distribution ensures stability and accessibility, common in DLC systems with dense configurations. A (all top) or C (3 top) skews placement, while B (1 top) is insufficient. D aligns with Supermicro’s chassis engineering, making it correct.References:Supermicro chassis bracket guides, DLC system structural design.

NO.15 How many screws need to be removed in order to release the AOC card from the bracket?

 
 
 
 
An AOC (Add-On Card) in Supermicro systems, such as a NIC or GPU card, is secured to its bracket with1 screwon the metal bar at the top, a standard PCIe card mounting practice (e.g., SYS-420GP-TNAR manuals).
This single screw ensures stability while allowing easy removal, consistent with Supermicro’s DLC system serviceability. 4 (A), 2 (B), or 3 (D) screws would be excessive for a single card bracket. Supermicro’s modular design in DLC solutions supports C as the verified number.References:Supermicro AOC card installation guides, DLC system component specs.

NO.16 Which type of Liquid Cooling is discussed in this training?

 
 
 
 
The training focuses on Supermicro’sDirect to Chip (DLC)liquid cooling, as indicated by the context of SYS-
421GE-TNHR2-LCC and Supermicro’s expertise in DLC solutions (e.g., cold plates, CDUs up to 100kW).
DLC circulates coolant directly to CPUs/GPUs, reducing OPEX by 40% and supporting high-density racks. A (RDHx) cools via rear doors, B (Evaporative) uses evaporation, and C (ILC) submerges servers-none match Supermicro’s DLC emphasis here. D is the verified type.References:Supermicro DLC whitepapers, SYS-
421GE-TNHR2-LCC cooling specs.

NO.17 In the video, how many AOC NIC cards are located on the LPIO board?

 
 
 
 

NO.18 What design feature helps to align the air shroud back into the motherboard tray?

 
 
 
 
In Supermicro systems, the air shroud aligns with the motherboard tray via tabs and slots. The correct feature is3 tabs on the front of the air shroud aligning with 3 slots on top of the fan board, a common design (e.
g., SYS-420GP-TNAR) for precise placement over fans and CPUs. B (4 tabs) and C (2 tabs) deviate from standard counts, while D (PCIe board) misplaces the alignment. Supermicro’s DLC hybrid cooling ensures shroud accuracy, making A correct.References:Supermicro air shroud installation guides, DLC system cooling alignment.

NO.19 Which statement accurately describes the location of the motherboard tray in the chassis of the SYS-421GE- TNHR2-LCC system?

 
 
 
 
In Supermicro’s SYS-421GE-TNHR2-LCC, the motherboard tray isbelow the PCIe tray, consistent with high-end server designs (e.g., SYS-420GP-TNAR). The motherboard tray houses CPUs and core components, while the PCIe tray (often with GPUs) sits above, connected via risers or direct slots. Options C and D reference a “GPU tray,” likely a misnomer for the PCIe tray, but B remains accurate. Supermicro’s DLC systems stack trays vertically for cooling efficiency, confirming B as correct.References:Supermicro chassis layout specs, DLC system tray configurations.

NO.20 What are the full steps and proper order for removing the fan board from the motherboard tray?

 
 
 
 
The fan board in Supermicro systems, including the SYS-421GE-TNHR2-LCC with DLC, manages cooling (even in hybrid air/liquid setups). The removal process, per Supermicro’s service manuals, involves:
* Disconnect the power supply from all the fans: This ensures safety and prevents damage, a critical step in DLC systems where fans may supplement liquid cooling.
* Pull up on the blue levers on each side of the fan board to unlock it: Blue levers are a common Supermicro design feature for releasing components securely.
* Pull the fan board straight up and out of the tray: Once unlocked, the board is lifted free.Option B includes all necessary steps. A skips disconnection and unlocking, C omits the levers, and D misses power disconnection, risking damage. Supermicro’s DLC solutionsemphasize safe maintenance, supporting B as the correct procedure.References:Supermicro motherboard tray service guides, DLC system maintenance protocols.

NO.21 How many screws need to be removed from the metal bracket that holds down the LPIO board / BMC cable?

 
 
 
 
The LPIO (Low-Profile IO) board and BMC cable in Supermicro systems are typically secured by a minimal number of screws for quick serviceability, a principle in DLC designs like the SYS-421GE-TNHR2-LCC.
Based on similar systems (e.g., SYS-420GP-TNAR), the metal bracket holding these components is fastened with 2 screws, balancing security and ease of access. Higher counts like 8 (A), 5 (B), or 6 (D) are excessive for a small bracket, while 2 (C) matches Supermicro’s standard for IO-related brackets. In DLC contexts, modularity is key, supporting C as the verified number.
References: Supermicro IO board installation guides, DLC system service efficiency.

NO.22 To remove an AOC NIC card, simply pull the card straight up. True or False.

 
 
Removing an AOC NIC card in Supermicro systems like the SYS-421GE-TNHR2-LCC requires more than pulling straight up. Per standard procedures (e.g., SYS-420GP-TNAR), you must first unscrew the card from its bracket (1 screw) and release any retaining mechanisms (e.g., PCIe slot latch). Simply pulling risks damage to the card or slot, especially in DLC setups with dense configurations. False (B) reflects Supermicro’ s emphasis on careful hardware handling, making it the correct answer.References:Supermicro AOC card removal guides, DLC system component safety.

NO.23 Before removing the LPIO board from the PCIe tray, what other component needs to be removed first?

 
 
 
 
The LPIO (Low-Profile IO) board in Supermicro systems like the SYS-421GE-TNHR2-LCC, part of the PCIe tray, is typically secured by ametal bracketthat must be removed first. This bracket holds the LPIO board and associated cables (e.g., BMC cable) in place, as seen in similar designs (e.g., SYS-420GP-TNAR). Removing it involves unscrewing (often 2 screws) and lifting it off, granting access to the LPIO board. A (GPU tray) is a separate assembly, C (motherboard tray) is unrelated to the PCIe tray’s LPIO, and D (air shroud) covers components but doesn’t secure the board. Supermicro’s DLC systems emphasize modular access, making B the correct step.References:Supermicro PCIe tray service guides, DLC system IO component layouts.

NO.24 Aside from ESD gloves, what additional tools do you need to remove a DIMM?

 
 
 
 
Removing a DIMM (memory module) in Supermicro systems like the SYS-421GE-TNHR2-LCC requires only ESD gloves for safety;no additional toolsare needed. DIMMs are released by pushing down on slot latches and lifting out by hand, per Supermicro manuals (e.g., SYS-420GP-TNAR). A (pliers) risks damage, B (torque bit) and D (screwdriver) are for screws, not DIMMs. Supermicro’s DLC systems maintain standard DIMM serviceability, making C correct.References:Supermicro DIMM replacement guides, DLC system maintenance standards.

NO.25 What are the full steps and proper order for replacing a failed NVMe SSD drive in the SYS-421GE-TNHR2- LCC system?

 
 
 
 
Replacing an NVMe SSD in a Supermicro system like the SYS-421GE-TNHR2-LCC, which supports Direct Liquid Cooling, follows a standard procedure for hot-swappable drives in high-performance servers. The correct sequence, as outlined in Supermicro’s general server maintenance guides (e.g., for SYS-420 series or similar DLC-enabled systems), is:
* Remove failed drive/drive carrier from chassis carriage: NVMe drives are housed in carriers for easy access and hot-swap capability, a feature emphasized in Supermicro’s DLC rack-scale solutions for minimizing downtime in AI/HPC workloads.
* Remove failed drive from drive carrier: The carrier is opened to extract the faulty NVMe SSD.
* Insert new drive into drive carrier: The replacement NVMe SSD is secured into the carrier.
* Insert new drive/drive carrier into chassis carriage: The carrier is reinserted into the chassis, ensuring proper connection.Option D accurately reflects this logical order. Option A incorrectly involves DIMMs (memory modules), B mentions a fan (unrelated to NVMe replacement), and C involves a CPU (not part of the process). Supermicro’s DLC systems prioritize modularity and serviceability, making D the verified procedure.References:Supermicro NVMe SSD replacement guides (e.g., SYS-420GP-TNAR Manual), DLC solution serviceability features.

NO.26 What are the full steps and proper order for removing the LPIO board from the PCIe tray?

 
 
 
 
Removing the LPIO (Low-Profile IO) board from the PCIe tray in the SYS-421GE-TNHR2-LCCinvolves:
* Remove PCIe air shroud: Clears access to components (standard in Supermicro designs).
* Remove all AOC NIC cards: Disconnects cards on the LPIO board for unobstructed removal.
* Remove metal bracket holding down LPIO board: Unscrews (typically 2 screws) the bracket securing the board.Option B follows Supermicro’s logical service order (e.g., SYS-420GP-TNAR), ensuring safe access in DLC systems. A (GPU) is unrelated, C (tray removals) is excessive, and D (fans) is irrelevant. B aligns with Supermicro’s DLC modularity, making it correct.References:
Supermicro PCIe tray service guides, DLC system IO removal protocols.

NO.27 How do you access the M.2 drive in the chassis?

 
 
 
 
In Supermicro systems like the SYS-421GE-TNHR2-LCC, M.2 drives are typically mounted on the motherboard for fast storage in high-performance computing (HPC) and AI workloads, often cooled indirectly by DLC systems. To access the M.2 drive, you must:
Remove the motherboard tray from the chassis: This exposes the motherboard where M.2 slots reside.
Remove the air shroud from the motherboard tray: The shroud covers components for airflow or hybrid cooling, and its removal provides access to the M.2 slot.
Option D aligns with Supermicro’s design, as seen in manuals (e.g., SYS-420GP-TNAR), where M.2 drives are motherboard-mounted. A is incorrect since M.2 drives are serviceable; B (GPU tray) and C (fan housing) don’t house M.2 drives in this context. Supermicro’s DLC solutions prioritize motherboard accessibility, making D the correct procedure.
References: Supermicro motherboard tray manuals, DLC system component layouts.

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