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What form of splicing consists of a machine that uses heat or electric arc to join optical fibers together?
Fusion Splicing
What are DTE and DCE referring to?
DTE is attempting to gain network access and DCE is providing network access.
What is the MTU of an ethernet frame?
1500 bytes
What are the primary purposes of networks?
Share data, share resources, and email.
What does MIMO stand for?
Multiple Input Multiple Output
Four items required for communication?
Transmitter, receiver, medium, language(protocol)
What does CSMA/CD stand for?
Carrier sense multiple access/collision detection
What is dark fiber?
Fiber that is no longer being used.
What layer of the OSI reference model is responsible for host-to-host connectivity?
Transport Layer
What layer of the OSI reference model serves as the end-users interface to the network?
Application
What size ethernet frames are considered "runts" and "giants"?
64 and 1518
What layer of the OSI reference model do hubs reside at?
Physical Layer
What layer of the OSI reference model is responsible for logical addressing?
Network layer
What is the code name referring to investigations and studies of compromising emanations?
TEMPEST
What is the material referred to in a fiber optic cable that adds strength and a protection from the elements?
Buffer
What are the three most common wavelengths used for optical communication?
850,1310,1550
How many computer systems does a LAN support?
24 to 1028
What three IP entries are required for the proper configuration of a NIC?
IP Address, Subnet Mask, Default Gateway
What PDU's live at each of the bottom four layers?
Segments, Packets, Frames, Bits
What layer of the OSI reference model is responsible for data formatting?
Presentation layer
What is a MODEM?
Modulator/Demodulator. Converts a digital signal to an analog signal and vice versa.
What is the maximum transmission speed that CAT 7 can support?
10Gbps
What IEEE publication standardized 1000MBps ethernet?
802.3ab
What is the maximum suggested data rate for an LED optical source?
155Mbps
What is the order of the strands in fiber optic color coding?
Blue, Orange, Green, Brown, Slate, White