Which of the following topologies allows for network expansion with the least amount of disruption for the current network users?
Star
Bus
Ring
Mesh
Which layer of the OSI model has the important role of providing error checking?
Session layer
Presentation layer
Application layer
Transport layer
Which cable standard is used for Ethernet 10Base2 installations?
RG-6
RG-8
RG-58AU
RJ-45