NVIDIA NCA-AIIO 問題練習

Question No : 1
What is an advantage of InfiniBand over Ethernet?

• A.InfiniBand always provides higher bandwidth than Ethernet.
• B.InfiniBand supports RDMA while Ethernet does not.
• C.InfiniBand offers lower latency than Ethernet.

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Question No : 2
When deploying high density workloads in a data center, what are the three main resource constraints that need to be considered?

• A.Processing speed, storage capacity, and network connectivity.
• B.Power, cooling, and physical space.
• C.Bandwidth, security, and redundancy.

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Question No : 3
When using an InfiniBand network for an AI infrastructure, which software component is necessary for the fabric to function?

• A.Verbs
• B.MPI
• C.OpenSM

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Question No : 4
What enables moving data between GPU memory and local or remote storage without using the CPU?

• A.NVLink
• B.GPUDirect P2P
• C.InfiniBand
• D.GPUDirect Storage

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Question No : 5
Which is the best PUE value for a data center?

• A.PUE of 1. 2
• B.PUE of 3.5
• C.PUE of 5.0
• D.PUE of 2.0

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Question No : 6
How many Mellanox ConnectX-6 Single Port VPI cards are in a DGX A 100 system?

• A.8
• B.16
• C.4

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Question No : 7
How many 1 Gb Ethernet in-band network connections are in a DGX H100 system?

• A.1
• B.2
• C.0

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Question No : 8
How many distinct network fabrics are in an AI cluster?

• A.3
• B.2
• C.4
• D.5

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Question No : 9
When training a neural network, what is the most common pattern of storage access?

• A.Random write
• B.Sequential read
• C.Sequential write

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Question No : 10
What is one key advantage that Cloud GPU Infrastructure has over On-Prem GPU infrastructure?

• A.Lower cost barrier to entry.
• B.Reduced cost of I/O traffic.
• C.Greater flexibility for hardware orchestration.

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Question No : 11
Which feature of RDMA reduces CPU utilization and lowers latency?

• A.Increased memory buffer size.
• B.Network adapters that include hardware offloading.
• C.NVIDIA Magnum I/O software.

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Question No : 12
An IT Professional is considering whether to implement an on-prem or cloud infrastructure.
Which of the following is a key advantage of on-prem infrastructure?

• A.Lower upfront costs and capital expenditure
• B.Scalability and flexibility
• C.Ensure data security and sovereignty
• D.Easy remote management.

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Question No : 13
A customer is evaluating an AI cluster for training and is questioning why they should use a large number of nodes .
Why would multi-node training be advantageous?

• A.The model is too large to fit into GPU memory
• B.The model is being used by a large number of users
• C.The model is being used for large scale inference workloads

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Question No : 14
Which GPUs should be used when training a neural network for self-driving cars?

• A.NVIDIA H100 GPUs
• B.NVIDIA L4 GPUs
• C.NVIDIA DRIVE Orin

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Question No : 15
Which type of GPU core was specifically designed to realistically simulate the lighting of a scene?

• A.Tensor Cores
• B.CUDA Cores
• C.Ray Tracing Cores

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