B. physical connection point for a LAN printer and D. layer at which a wireless access point connects to the wired network are the two characteristics that describe the access layer in a three-tier network architecture.
Option A is incorrect because the aggregation point is typically found in the distribution layer, which aggregates traffic from the access layer.
Option C is incorrect because continuous redundant uptime requirements are typically associated with the core layer, which is responsible for providing high-speed connectivity and fault tolerance.
Option E is incorrect because the boundary between Layer 2 and Layer 3 communications is typically found in the distribution layer.
The aggregation (or distribution) layer aggregates the uplinks from the access layer to the data center core.
From CCNA Data Center DCICT 640-916 Official Cert Guide.
access layer is closet to users
What are two characteristics of the distribution layer in a three-tier network architecture? (Choose two.)
A. serves as the network aggregation point
B. provides a boundary between Layer 2 and Layer 3 communications
C. designed to meet continuous, redundant uptime requirements
D. is the backbone for the network topology
E. physical connection point for a LAN printer
A & B Correct
What are two characteristics of the distribution layer in a three-tier network architecture? (Choose two.)
A. serves as the network aggregation point
B. provides a boundary between Layer 2 and Layer 3 communications
C. designed to meet continuous, redundant uptime requirements
D. is the backbone for the network topology
E. physical connection point for a LAN printer
Incorrect, distribution layer is the network aggregation point.
The aggregation (or distribution) layer aggregates the uplinks from the access layer to the data center core.
From CCNA Data Center DCICT 640-916 Official Cert Guide
https://learning.oreilly.com/library/view/ccna-data-center/9780133860429/ch01lev3sec2.html#ch01lev3sec2
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