15.Connecting LANs, Backbone Networks, and Virtual LANs

VLANs create _________ domains.

• multicast
• broadcast
• unicast
• none of the above

A ________ operates in both the physical and the data link layer.

• router
• bridge
• repeater
• passive hub

A _______ is a device that operates only in the physical layer.

• bridge
• router
• passive hub
• repeater

A ______ switch is a faster and more sophisticated router.

• two-layer
• four-layer
• three-layer
• none of the above

_________ is just a connector.

• A passive hub
• An active hub
• either (a) or (b)
• neither (a) nor (b)

A ______ normally connects LANs and WANs in the Internet and has a table that is used for making decisions about the route.

• router
• bridge
• repeater
• none of the above

A repeater is a connecting device that operates in the _______ layer of the Internet model.

• network
• data link
• physical
• all of the above

A _______ regenerates a signal, connects segments of a LAN, and has no filtering capability.

• router
• repeater
• bridge
• none of the above

In a(n) _______ configuration, the administrator types the port numbers, the IP addresses, or other characteristics, using the VLAN software.

• automatic
• manual
• semiautomatic
• none of the above

A _______ LAN allows several LANs to be connected.

• wired
• wireless
• backbone
• none of the above