Data Communication & Networking - True - False - 6

A hardware device that is not included in a network profile cannot be accessed by another computer on the network.

Answer: True

User profile refers to what resources on each server are available on the network for use by other computers and which devices or people are allowed access on the network.

Answer: True

Traditional Ethernet is also known as shared Ethernet.

Answer: True

Wireless LANs use Carrier Sense Multiple Access with Collision Detection (CSMA/CD) for medic access control.

Answer: False

A collision on a bus circuit means that two computers on that circuit have transmitted at the same time.

Answer: True

Traditional Ethernet is also known as shared Ethernet.

Answer: True

Traditional Ethernet and switched Ethernet account for almost all LANs installed today.

Answer: True

Wireless LANs serve the same purpose as wired LANs.

Answer: True

Wireless LANs are never connected to a wire network.

Answer: False

The data link layer protocols used by wireless LANs are similar to the ones used on Ethernet LANs.

Answer: True


Wireless LANs do not share the bandwidth capacity of the wireless network.

Answer: False

An access point (AP) is required to connect a WLAN to a wired network.

Answer: True

A backbone network is a high-speed network that connects many networks

Answer: True

Backbone networks typically use lower speed circuits to interconnect a series of LANs and provide connections to other backbone networks.

Answer: False

One basic component of a backbone network is the hardware device that connects other networks to the backbone.

Answer: True

Switches, routers, and gateways are devices that can connect networks to the BN.

Answer: True

The cable to connect BNs is usually twisted pair.

Answer: False

Routers can only connect the same type of cable.

Answer: False

Routers use network layer address to forward packets between network segments.

Answer: True

Routers operate at the application layer.

Answer: False

Routers connect two or more network segments that use the same or different data link protocols, but the same network protocol.

Answer: True

One advantage of a router is that it can choose the "best" route between networks when there is a choice.

Answer: True

Gateways are simpler than routers.

Answer: False

The terms for hardware devices, such as routers and gateways, are interchangeable among vendors.

Answer: False

Gateways connect two or more networks that use the same or different data link and the same or different network protocols.

Answer: True

One of the least common uses of gateways is to enable LANs that use TCP/IP and Ethernet to communicate with mainframes that use other protocols.

Answer: False

A room that contains a rack of equipment for a rack-based collapsed backbone is also called the main distribution facility (MDF) or central distribution facility (CDF).

Answer: True


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