1.1. In an Ethernet network, which of the following are true: Which of the follo
ID: 3920315 • Letter: 1
Question
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.Explanation / Answer
Answer is as follows :
1.1
For the given scenario only C and D are true.
Ethernet swithces a.k.a bridges don't learn the address from destination as they read the MAC address of source. The repeters communicate with one another but can't set best route. It is done by router.
1.2
A and D are correct foe such purpose.
Only switch can do such management, hub can fail in this way. We can also identify the collision without checksum.
1.3
Only B is correct.
Telephony switching is circuit switching and there is no indepenndent routes for this, it is done in packet switching
1.4
A,B and C are true here.
D is wrong error detection is done at data link layer
1.5
A and C is correct
Transport layer transfer segments instead of Packets and error detection is done at link layer
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