Data forwarding in pipelining

Question

Data forwarding is used to avoid which type  of conflict??

(1) RAW

(2) WAR

(3) WAW

(4) RAR

Comments

WAW????

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Write after Write

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i know Write after Write is this may be answer.

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RAW$-\checkmark$

Answer 1

Data forwading is used to avoid RAW.

Answer 2

option 1) RAW , Data Forwarding is used to avoid RAW type dependencies

    WAR and WAW dependencies occur during out of order execution and can be  solved by changing the order.