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What is the differences between TCAM and the MAC address table?

A.

The MAC address table is contained in CAM ACL and QoS information is stored in TCAM

Answers
A.

The MAC address table is contained in CAM ACL and QoS information is stored in TCAM

B.

The MAC address table supports partial matches. TCAM requires an exact match

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B.

The MAC address table supports partial matches. TCAM requires an exact match

C.

Router prefix lookups happens in CAM. MAC address table lookups happen in TCAM.

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C.

Router prefix lookups happens in CAM. MAC address table lookups happen in TCAM.

D.

TCAM is used to make Layer 2 forwarding decisions CAM is used to build routing tables

Answers
D.

TCAM is used to make Layer 2 forwarding decisions CAM is used to build routing tables

Suggested answer: A

Explanation:

https://community.cisco.com/t5/networking-documents/cam-content-addressable-memory-vstcam-ternary-content/ta-p/3107938When using Ternary Content Addressable Memory (TCAM) inside routers it's used for faster addresslookup that enables fast routing.

In switches Content Addressable Memory (CAM) is used for building and lookup of mac address table that enables L2 forwarding decisions.

Besides Longest-Prefix Matching, TCAM in today's routers and multilayer Switch devices are used to store ACL, QoS and other things from upper-layer processing.

asked 10/10/2024
Alfred Macaraeg
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