A network administrator created three VLANs on an Ethernet switch. How many broadcast domains are created by the switch?
What is the default route preference value for a Border Gateway Protocol (BGP) internal route?
Which field of the 802.3 frame is used by network interface cards to synchronize their receivers?
Which Layer 1 device can be used to enlarge the area covered by a single LAN segment?
In which Spanning Tree protocol state does a port record MAC addresses but does not forward the data?