Which two functions are performed by the core layer in a three-tier architecture? (Choose two)

The correct answer is A. Provide uninterrupted forwarding service. D. Ensure timely data transfer between layers.. Cisco is very clear about the purpose of this layer. Its only role is to forward traffic, the fastest it can. Here you don’t apply any policy, as you must try to reduce the load of the core so it can focus on routing.

Submitted by tunde_lagos· Mar 5, 2026Network Fundamentals

Question

Options

AProvide uninterrupted forwarding service.
BPolice traffic that is sent to the edge of the network.
CProvide direct connectivity for end user devices.
DEnsure timely data transfer between layers.
EInspect packets for malicious activity.

How the community answered

(23 responses)

A
87% (20)
B
4% (1)
C
9% (2)

Explanation

Cisco is very clear about the purpose of this layer. Its only role is to forward traffic, the fastest it can. Here you don’t apply any policy, as you must try to reduce the load of the core so it can focus on routing.

Topics

#three-tier architecture#core layer#network hierarchy#network design

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