stupid cccs i hate this stupid class get me out

Where does a hub send data?

To all the systems connected to the hub

What uniquely identifies every NIC?

Media access control address

What Windows utility do you use to find the MAC address for a system?

ipconfig/all

A MAC address is known as a ____ address.

physical

A NIC sends data in discrete chunks called

frames

the MAC address of which of the following begins a frame?

receiving system

A frame ends with a special bit called the frame check sequence (FCS). What does the FCS do?

Verifies that the data arrived correctly

Which of the following is an example of a MAC address?

00-50-56-A3-04-0C

Which layer of the OSI model controls the segmentation and reassembly of data?

Transport layer

Which layer of the OSI model keeps track of a system’s connections to send the right response to the right computer?

Session layer

Which of the following topologies required termination?

Bus

Star-bus is an example of a _________ topology.

Hybrid

of the topologies listed, which one is the most fault-tolerant?

Star

What term is used to describe the interconnectivity of network components?

Topology

Coaxial cables all have a(n) _______ rating.

Ohm

Which of the following is a type of coaxial cable?

RG-6

Which network topology connected nodes with a ring of cable?

Ring

Which network topology is most commonly seen only in wireless networks?

Mesh

Which of the following is a duplex fiber-optic connection?

LC

What is the most common category of UTP used in new cabling installations?

Cat 6

Ethernet hubs took an incoming packed end ____ it out to the other ports

repeated

What is the beginning of the Ethernet frame?

Preamble

What type of bus did 10BASE-T use?

star bus

What was the maximum distance that could seperate a 10BASE-T node from its hub?

100 meters

When used for ethernet, unshielded twisted pair uses what type of connector 

RJ-45

what was the maximum number of nodes that could be connected to a 10BASE-T hub?

1024

Which of the following is not true of crossover cables?

Both ends of a crossover cable are wired according to the TIA/EIA 568B standard

Which of the following connectors were used by 10BASE-FL cable? (Select two)

SC and ST

Which networking devices can use the Spanning Tree Protocol (STP)?

Switches

What device directs packets based on MAC addresses

Switch

Aside from outright breakage, what’s the primary worry with bending a fiber-optic cable too much?

Light leakage

Which of the following enables you to use multiple NICs in a computer to achieve a much better network bandwidth?

Port aggregation

How many pairs of wires are in a Cat 6-rated cable?

4

A(n) ____ organizes and protects the horizontal cabling in the telecommunications room.

patch panel

Which of the following would never be seen in an equipment rack?

All of the above may be seen in an equipment rack (Patch panel, UPS, PC)

What are patch cables used for? (Select two)

To connect the patch panel to the switch, to connect PCs to outlet boxes

Which of the following network technologies use UTP cabling in a star topology?

1000BASE-T

Your first day on the job, you get a call from the owner complaining that her network connection is down. A quick check of the central switch verifies that it’s in good working order, as is the boss’s PC. As luck would have it, your supervisor calls at just that time and tells you not to worry; she’ll be by in a jiffy with her TDR to help root out the problem. What is she talking about?

Time-domain reflectometer, her network tester

What two devices together enable you to pick a single cable out of a stack of cables? (Select two.)

Tone generator, Tone probe

Rack-mounted equipment has a height measured in what units?

U