Computer Networking
Packet Switch Stream (PSS) was introduced in

None of these
the US in 1961 (&) the UK in 1981
the UK in 1980
None of these
the US in 1961

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Computer Networking
Which one of the following is true regarding VLANs?

Two VLANs are configured by default on all Cisco switches.
VLANs only work if you have a complete Cisco switched internetwork. No off-brand switches are allowed.
You should not have more than 10 switches in the same VTP domain.
VTP is used to send VLAN information to switches in a configured VTP domain.

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