Today, it is very difficult to buy Ethernet hubs in any computer shopping centers in Hong Kong. I have been searching for some time and last Staurday, I saw Arlotto 4-port hub at Golden Shopping Center. The sales guy asked me to pay HK$70. I argued that hubs were being phased out in networking use and he agreed to sell it to me at HK$50.
Hubs create a lot of collision in networking. They should be used as seldom as possible and should only be deployed when the no. of networked stations is small, say below 10. However, an ethernet hub in association with a protocol analyzer is an indispensable tool to troubleshoot network problems.
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