Which two types of traffic run through ECS front-end switches? (Select 2)

Question

Options

• ASegment Maintenance Management
• BReplication
• CPrivate.4
• DI/O requests

• A
  5% (2)
• B
  92% (36)
• C
  3% (1)

Explanation

In Dell EMC ECS architecture, front-end switches serve as the external-facing network layer, handling I/O requests (D) from clients accessing the object store and Replication (B) traffic that synchronizes data between ECS sites or nodes across the network. These two traffic types both require external connectivity, which is exactly what front-end switches provide.

Why the distractors are wrong:

• A (Segment Maintenance Management) is an internal back-end process that travels through back-end switches, not the front-end. It involves internal storage operations invisible to clients.
• C (Private.4) refers to an internal private network used for back-end node-to-node communication, again routed through back-end switches rather than front-end.

Memory tip: Think "front-end = faces the outside world." Client I/O comes in from the outside, and Replication goes out to remote sites - both cross the front-end boundary. Anything labeled "management," "segment," or "private" is a hint it's internal (back-end).

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