Exam: 200-301: Cisco Certified Network Associate (CCNA) 0 Likes
Which two functions are performed by the core layer in a three-tier (CCNA 200-301)
Which two functions are performed by the core layer in a three-tier architecture? (Choose two)
A) Provide uninterrupted forwarding service.
B) Inspect packets for malicious activity.
C) Ensure timely data transfer between layers.
D) Provide direct connectivity for end user devices.
E) Police traffic that is sent to the edge of the network.
Solution
Correct answer: A) Provide uninterrupted forwarding service and C) Ensure timely data transfer between layers.
In a three-tier architecture, the core layer primarily focuses on:
A: The core layer is responsible for high-speed and uninterrupted forwarding of data between different parts of the network, ensuring efficient transmission without unnecessary delays.
C: It helps in facilitating timely and efficient data transfer between the different layers of the network architecture, ensuring smooth communication and reduced latency between layers.
The other options mentioned—inspecting packets for malicious activity, providing direct connectivity for end-user devices, and policing traffic sent to the edge of the network—are generally functions performed by other layers or devices in the network, such as firewalls, access devices, or security appliances, rather than the core layer in a three-tier architecture.
Category: Network Fundamentals