Computer Networking
Packet Switch Stream (PSS) was introduced in

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

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Computer Networking
You need to create an access list that will prevent hosts in the network range of 192.168.160.0 to 192.168.191.0. Which of the following lists will you use?

access-list 10 deny 192.168.160.0 0.0.191.255
access-list 10 deny 192.168.160.0 0.0.31.255
access-list 10 deny 192.168.0.0 0.0.31.255
access-list 10 deny 192.168.160.0 255.255.224.0

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Computer Networking
The MAC (Media Access Control) address of the network card is used in both Ethernet and Token-Ring networks and is essential for communication. What does MAC provide?

A logical address that identifies the workstation
A physical address that is randomly assigned each time the computer is started
A physical address that is assigned by the manufacturer
An alias for the computer name
The logical domain address for the workstation

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