What is true about TCAM lookups that are associated with CEF switching?

Question:
What is true about TCAM lookups that are associated with CEF switching?

• A single TCAM lookup provides Layer 2, Layer 3, and ACL information
• TCAM includes only Layer 3 lookup information.
• TCAM lookup tables are used only for the rapid processing of ACLs within CEF.
• TCAM lookup tables are used only for the Layer 3 forwarding operation.

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