Week 2

K2.2 The principles of the transmission of digital information over copper cable, fibre cable and

wireless networks and systems:

• signal type:

o electrical-based

o light-based

o wireless

• security:

o tampering

o signal loss

• segregation from electrical cables:

o susceptibility to interference:

â–ª types of interference (for example electromagnetic impact on signal, static, crosstalk)

â–ª mitigation techniques (for example shielding, run cables in parallel)

â–ª adhering to industry standards

â–ª BS EN 50174

• wireless bands and channels:

o 2.4GHZ:

â–ª 802.11b

â–ª 802.11g

â–ª 802.11n

â–ª 802.11ax

o 5GHZ:

â–ª 802.11ac

â–ª 802.11n

â–ª 802.11ax

• internet protocol version 4 (IPv4) network and subnets:

o addressing schemes

o subnetting

o subnet masks

• internet protocol version 6 (IPv6):

o IPv6 address types

Last Updated
2024-07-11 09:16:13