Please answer questions 1.1 through 1.5. There are multiple correct answers. Choose all correct answers.

1.1. In an Ethernet network, which of the following are true: Which of the following are true? a) Repeater uses protocols to communicate with one another to determine the best route to send the b) Ethernet switches (a.k.a bridges) learn addresses by looking at the destination address of packets o) Ethernet switches (a.k.a bridges) learn addresses by looking at the source address of packets as d) The hub doesn't read any of the data passing through them and are not aware of their source or packet. as they pass by they pass by. destination 1.2. Link layer. Which of the following are true?: a) An Ethernet switch can interconnect a 10Mb/s Ethernet network and a 1Gb/s Ethernet. b) An Ethernet hub can interconnect a 10Mb's Ethernet network and a 1Gb/s Ethernet. c) An Ethernet network cannot detect collisions until it has computed a checksum over the frame. d) The 802.1lb wireless protocol incorporates a link-layer ACK not present in regular Ethernet