Which of the following statements about bridges and switches is true? Group of answer choices a. Bridges and switches must support the network layer protocol implemented on the Local Area Network (LAN). b. Bridges and switches are network layer devices that use logical addressing to forward frames. c. Bridges and switches build their internal tables based on destination addresses and forward packets based on source addresses. d. Bridges and switches are data link layer devices that use Media Access Control (MAC) addresses to forward frames.