Exam 5: Topologies and Ethernet Standards

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 -Refers to the PoE device that receives the power.

A physical topology ____.

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 1 Gbps.

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 Fast Ethernet.

Explain why it is important to understand logical topologies.

The smallest LANs do not have a backbone.

1In a(n)____________________ topology,every node on the network is connected through a central device,such as a hub,router,or switch.

Explain how the star-wired bus topology works.Include a description of its drawbacks and benefits.

The Ethernet_II frame type contains a 2-byte ____ field which differentiates it from the older Ethernet_802.3 and Ethernet_802.2 frame types.

Because of its support for multiple Network layer protocols and because it uses fewer bytes as overhead,____________________ is the frame type most commonly used on contemporary Ethernet networks.

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 -Refers to the PoE device that supplies the power.

Briefly describe the IEEE 802.3af standard.Use an analogy and explain why it is useful.

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 -The most common 1-Gigabit Ethernet.

Describe the advantage of the star topology.

On an Ethernet network,a(n)____ is the portion of a network in which collisions occur if two nodes transmit data at the same time.

____________________ is a component of a network's logical topology that determines how connections are created between nodes.

The 10-gigabit fiber optic standard with the shortest segment length is ____.

The data portion of an Ethernet frame may contain ____ bytes of information.

Briefly explain how CSMA/CD works.

Briefly describe the Ethernet SNAP frame type.Include an explanation of the drawback that keeps it from being implemented on networks instead of Ethernet _II frames.