Free CompTIA Network+ N10-008 Practice Question
An E1 line supports how many Mbps?
2 Mbps
64 Mbps
44.736 Mbps
1.544 Mbps
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CompTIA Network+ N10-008 /
Network Implementations
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An E1 line supports how many Mbps?
2 Mbps
64 Mbps
44.736 Mbps
1.544 Mbps
E1 lines carry signals over 32 channels at 64kbps. (64kb x 32 = 2048kb = 2mb)
The E-carrier is a member of the series of carrier systems developed for digital transmission of many simultaneous telephone calls by time-division multiplexing. The European Conference of Postal and Telecommunications Administrations (CEPT) originally standardised the E-carrier system, which revised and improved the earlier American T-carrier technology, and this has now been adopted by the International Telecommunication Union Telecommunication Standardization Sector (ITU-T). It was widely used in almost all countries outside the US, Canada, and Japan. E-carrier deployments have steadily been replaced by Ethernet as telecommunication networks transition towards all IP.
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