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Total 240 Questions | Updated On: Nov 19, 2024

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Question 1

In an InfiniBand fabric, you are tasked with designing a QoS policy using Virtual Lanes (VLs) to segregate traffic types. Which of the following best describes how VLs should be configured for optimal traffic management?

A : Use only two Virtual Lanes: one for high-priority traffic and one for low-priority traffic, as InfiniBand guarantees low latency for all traffic.

B : Assign a separate VL for each traffic type, ensuring that critical traffic such as management traffic is isolated from application data traffic.

C : Use a single Virtual Lane (VL) for all traffic types to reduce configuration overhead and complexity.

D : Assign bandwidth-heavy traffic and latency-sensitive traffic to the same VL to maximize network resource utilization.

Answer: B

Question 2

Which two of the following statements correctly describe InfiniBand’s subnet management and addressing standards as per the InfiniBand architecture? (Select two)

A : InfiniBand requires static IP addressing for managing device communication.

B : The InfiniBand Subnet Manager (SM) is responsible for configuring Local Identifiers (LIDs) and ensuring route calculation within a subnet.

C : InfiniBand devices use Ethernet MAC addresses to identify themselves within the InfiniBand fabric.

D : InfiniBand uses DNS services for name resolution within the network.

E : Global Identifiers (GIDs) are used in InfiniBand for routing between different subnets.

Answer: B,E

Question 3

Your organization is deploying a new InfiniBand-based storage network for real-time data processing. Ensuring high performance is critical, but at the same time, the network must be highly reliable to handle the lossless transmission of large datasets. The environment will scale over time, and both storage and compute traffic will share the same fabric. You must implement a solution that ensures high performance, scalability, and minimal packet loss under heavy loads. Which best practice is most effective for ensuring reliability and performance in a scalable InfiniBand deployment that handles both compute and storage traffic?

A : Implement QoS (Quality of Service) to prioritize storage traffic while using Virtual Lanes (VLs) to segregate traffic classes.

B : Separate storage and compute traffic into different physical networks to avoid contention and improve reliability.

C : Enable congestion control and adaptive routing while maintaining high MTU sizes across all nodes.

D : Utilize static routing and disable congestion control to ensure that paths are deterministic for critical data flows.

Answer: C

Question 4

In the InfiniBand protocol stack, each layer plays a specific role in ensuring efficient data transfer and communication. Which of the following best describes the function of the data link layer in the InfiniBand protocol stack?

A : Establishes and maintains logical connections between applications and processes

B : Handles the physical transmission of data by converting bits into electrical or optical signals

C : Provides reliable point-to-point and multicast services, as well as error detection and correction

D : Implements flow control, congestion management, and ensures in-order delivery of messages

Answer: C

Question 5

Which feature of InfiniBand makes it particularly suitable for applications like artificial intelligence (AI) and machine learning (ML) workloads?

A : Remote Direct Memory Access (RDMA) for reduced CPU load and fast data transfer

B : High compatibility with legacy Ethernet switches

C : Support for Quality of Service (QoS) to prioritize traffic

D : Built-in firewall and network security features

Answer: A

Page: 1 / 48

Total 240 Questions | Updated On: Nov 19, 2024

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