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13 votes
4 answers
34k views

Minimum ethernet frame is 64 bytes, Why the payload must be padded to at least 46 bytes

17 votes
3 answers
5k views

Why does an Ethernet cable have four pairs?

5 votes
2 answers
578 views

Can a jumbogram (giant data packet) be used at a large scale (in WAN for example)?

2 votes
1 answer
36 views

What is Ethernet MDI in the case of SFP interfaces

0 votes
2 answers
75 views

can we use RJ45 with cat7 sftp?

3 votes
1 answer
107 views

Why would a 285ft Ethernet single segment work at 100Mbit, but not at 1000Mbit

0 votes
1 answer
68 views

Creating a distributed ethernet using a single mode fiber ring

0 votes
1 answer
158 views

What is the wireless bottleneck speed in my simple network map?

1 vote
1 answer
105 views

Does Ethernet have a header and a trailer?

3 votes
1 answer
119 views

Length of Ethernet Preamble on 10Gb network

2 votes
3 answers
89 views

Is it called the "MAC" protocol or the "Ethernet" protocol?

2 votes
1 answer
79 views

If one of hub is damaged,will it cause others hub damage too?why can't i enable the rapid dual homing

0 votes
0 answers
14 views

OTN frames: How is partial filling and failed decoding dealt with?

0 votes
0 answers
14 views

PTP nanoseconds synchronisation between slaves

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