N10-005 · Question #350
Which of the following BEST describes a load balancer?
The correct answer is A. A device that splits traffic between multiple nodes of a clustered service. A load balancer distributes incoming network or application traffic across multiple backend servers (nodes) in a cluster. This prevents any single server from becoming overwhelmed, improves availability, and increases responsiveness. Option B describes NAT/PAT, which maps…
Question
Which of the following BEST describes a load balancer?
Options
- AA device that splits traffic between multiple nodes of a clustered service.
- BA device that allows multiple computers to access the internet through a single public IP address.
- CA device that filters internet content based on rules and ACLs.
- DA device that separates users onto separate WAPs for even distribution.
How the community answered
(61 responses)- A93% (57)
- B2% (1)
- C2% (1)
- D3% (2)
Explanation
A load balancer distributes incoming network or application traffic across multiple backend servers (nodes) in a cluster. This prevents any single server from becoming overwhelmed, improves availability, and increases responsiveness. Option B describes NAT/PAT, which maps multiple private IPs to a single public IP. Option C describes a web content filter or proxy firewall with ACLs. Option D loosely describes a wireless controller or band-steering feature, not a load balancer. The defining characteristic of a load balancer is traffic distribution across multiple service instances.
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