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Which of the following protocols were designed to avoid loops on a Layer 2 network? (Select TWO)

Posted: Sat Jul 23, 2022 7:43 pm
by answerhappygod
Which of the following protocols were designed to avoid loops on a Layer 2 network? (Select TWO)

A. OSPF
B. RIPv2
C. 802.1q
D. Spanning tree
E. 802.1d
F. QoS