NVIDIA Certified Professional - Networking (NCP-NET) Flashcards¶
27 cards from this guide's fact sheet and notes. Click a question to reveal the answer.
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Exam logistics¶
How long is the NVIDIA Certified Professional - Networking (NCP-NET) exam?
120 minutes
How many questions are on the NVIDIA Certified Professional - Networking (NCP-NET) exam?
60-70 questions
What is the passing score for NVIDIA Certified Professional - Networking (NCP-NET)?
Not officially published
What does the NVIDIA Certified Professional - Networking (NCP-NET) exam cost?
$200 USD
How long is NVIDIA Certified Professional - Networking (NCP-NET) valid for?
2 years
Infiniband¶
Master (infiniband)
Active SM controlling the fabric
Standby (infiniband)
Backup SM ready for failover
Rdma roce¶
Zero-copy (rdma roce)
Data moves directly between application buffers
Kernel bypass (rdma roce)
No system call overhead
Low latency (rdma roce)
Single-digit microsecond RTT
High throughput (rdma roce)
Near wire-speed data transfer
Low CPU overhead (rdma roce)
CPU is free for computation
Send (rdma roce)
Sender pushes data to receiver's pre-posted buffer
Receive (rdma roce)
Receiver posts buffers for incoming sends
RDMA Write (rdma roce)
Write data to remote memory without remote CPU involvement
RDMA Read (rdma roce)
Read data from remote memory without remote CPU involvement
Compare-and-Swap (rdma roce)
Atomic read-modify-write on remote memory
Fetch-and-Add (rdma roce)
Atomic increment on remote memory
Protection Domain (PD) (rdma roce)
Security boundary for resources
Queue Pair (QP) (rdma roce)
Send and receive queue pair for communication
Completion Queue (CQ) (rdma roce)
Reports completion of work requests
Memory Region (MR) (rdma roce)
Registered memory for RDMA access
Work Request (WR) (rdma roce)
Operation to perform (send, RDMA write, etc.)
Work Completion (WC) (rdma roce)
Result of completed operation
Ufm¶
Critical (ufm)
Link failures, hardware errors, switch down
Warning (ufm)
Rising error rates, temperature approaching threshold
Information (ufm)
Topology changes, configuration updates