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CV0-003 · Question #62

A company is building a new server cluster to host applications for external clients. The company wants to ensure high availability and maximum throughput, and requests that the server…

The correct answer is A. link aggregation. A teamed interface in this context refers to link aggregation, which bonds multiple physical network links into a single logical interface to increase throughput and provide redundancy.

Cloud Architecture and Design

Question

A company is building a new server cluster to host applications for external clients. The company wants to ensure high availability and maximum throughput, and requests that the server administrators configure teamed interfaces on all servers in the cluster. In this scenario, a teamed interface refers to:

Options

  • Alink aggregation
  • Belasticity on demand
  • Ca TCP offload engine
  • Dresource pooling

How the community answered

(44 responses)
  • A
    91% (40)
  • C
    2% (1)
  • D
    7% (3)

Why each option

A teamed interface in this context refers to link aggregation, which bonds multiple physical network links into a single logical interface to increase throughput and provide redundancy.

Alink aggregationCorrect

Link aggregation (defined by IEEE 802.3ad / LACP) combines two or more physical NICs into one logical channel, multiplying available bandwidth and providing automatic failover if one link fails. Configuring teamed interfaces on cluster servers directly satisfies the requirements for maximum throughput and high availability, as traffic is distributed across all active member links simultaneously.

Belasticity on demand

Elasticity on demand is a cloud computing concept referring to the ability to automatically scale resources up or down based on workload, and has no relation to physical NIC configuration.

Ca TCP offload engine

A TCP Offload Engine (TOE) is a NIC feature that offloads TCP/IP processing from the host CPU to the network adapter to reduce CPU utilization; it is a single-adapter optimization, not a multi-adapter teaming configuration.

Dresource pooling

Resource pooling is a cloud service model characteristic describing the sharing of physical and virtual resources among multiple consumers, not a network interface bonding technique.

Concept tested: NIC teaming and link aggregation for high availability

Source: https://learn.microsoft.com/en-us/windows-server/networking/technologies/nic-teaming/nic-teaming

Topics

#link aggregation#NIC teaming#high availability#throughput

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