Exam 5: Topologies and Ethernet Standards

The most common 1-Gigabit Ethernet standard in use today is ____.

A ____ occurs when two transmissions interfere with each other.

All Ethernet networks,independent of their speed or frame type,use an access method called ____.

A complex combination of pure topologies is known as a ____ topology.

A network's access method is its method of controlling how network nodes access the communications channel.

Within Ethernet frame types,the ____ signals to the receiving node that data is incoming and indicates when the data flow is about to begin.

As part of CSMA/CD,a process known as ____________________ allows the NIC issue a special 32-bit sequence that indicates to the rest of the network nodes that its previous transmission was faulty and that those data frames are invalid.

MATCHING Match each item with a statement below: a.PSE f.802.3ae b.1000Base-LX g.802.3z c.10Base-T h.802.3u d.100Base-T i.PD e.1000Base-T -Follows the 5-4-3 rule of networking.

In the 10GBase-LR standard,the L stands for ____.

The most popular method for connecting nodes on a network is circuit switching.

A serial backbone is the simplest kind of backbone.

MATCHING Match each item with a statement below: a.PSE f.802.3ae b.1000Base-LX g.802.3z c.10Base-T h.802.3u d.100Base-T i.PD e.1000Base-T -IEEE standard for fiber-optic Ethernet networks transmitting data at 100 Mbps.

Explain how the distributed backbone is connected.Include a description of its benefits.

MATCHING Match each item with a statement below: a.PSE f.802.3ae b.1000Base-LX g.802.3z c.10Base-T h.802.3u d.100Base-T i.PD e.1000Base-T -IEEE standard for fiber-optic Ethernet networks transmitting data at 10 Gbps.

A network backbone is the ____________________ that connects the hubs,switches,and routers on a network.

Most Ethernet networks are based on the star topology.

The most common logical topologies are ____ and ring.

MATCHING Match each item with a statement below: a.PSE f.802.3ae b.1000Base-LX g.802.3z c.10Base-T h.802.3u d.100Base-T i.PD e.1000Base-T -Also known as Gigabit Ethernet.

A ____ is simply a linked series of devices.

Explain the 5-4-3 rule of networking.