The number of users under the OLT can also decide whether the VLAN is a single-layer or double-layer VLAN. When the number of users is small, a single-layer VLAN can be used. When the required VLAN to distinguish the number of services and users is greater than ( ), a double-layer LAN must be used.

The number of users under the OLT can also decide whether the VLAN is a single-layer or double-layer VLAN. When the number of users is small, a single-layer VLAN can be used. When the required VLAN to distinguish the number of services and users is greater than ( ), a double-layer LAN must be used.
A . 4K
B . 8K
C . 2K
D . 1K

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Answer: A