CompTIA A+ Chapter 6: Network Fundamentals- Jerry Flashcards
WHAT DOES (NIC) STAND FOR
NETWORK INTERFACE CARD
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WHAT DOES NIC DO
PROVIDES PHYSICAL INTERFACE BETWEEN COMPUTERS AND CABLING
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FOR TWO COMPUTERS TO SEND AND RECEIVE DATA THE CARD MUST AGREE ON WHAT THINGS
-MAXIUM SIZE OF THE DATA FRAMES
-THE AMOUNT OF DATA SENT BEFORE GIVING CONFIRMATION
-THE TIME NEEDED BETWEEN TRANSMISSIONS
THE AMOUNT OF TIME TO WAIT BEFORE SENDING CONFIRMATION
-THE SPEED AT WHICH DATA TRANSMIT
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WHAT HAPPENS WHEN TWO COMPUTER CARDS CAN NOT AGREE OR COMMUNICATE
THE DATA IS NOT SENT
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WHAT IS HALF DUPLEX COMMUNICATION
BETWEEN SENDER AND RECEIVER, ONLY ONE OF THEM CAN TRANSMIT AT ANY POINT
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WHAT IS FULL DUPLEX COMMUNICATION
A COMPUTER CAN SEND AND RECEIVE DATA SIMULTANEOUSLY
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EACH CARD MUST HAVE A UNIQUE HARDWARE ADDRESS CALLED
MAC ADDRESS
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BEFORE COMPUTER ARE ABLE TO USE NIC, THEY MUST DO WHAT
INSTALL PROPER DRIVER
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COMMON NETWORK CABLE ARE COVERED WITH PLASTIC CALLED WHAT
POLYVINYL CHLORID (PVC)
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WHAT COAX CABLE IS USED BY SATELITE/CABLE TV CABLE MODEMS
RG-6
RG -59
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HOW FAR CAN RG-6 COAX SIGNAL TRAVEL
304 METERS OR 1000 FEET
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WHAT TYPE OF CONNECTOR IS USED WIITH CABLE TV
F-CONNECTOR
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WHAT ARE THE TWO DIFFERENT TYPES OF TWISTED PAIR CABLE
SHIELDED TWISTED-PAR (STP)
UNSHIELDED TWISTED-PAIR (UTP)
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WHAT IS CATEGORY 1 CABLE
CONTAIN TWO TWISTED PAIR
USED FOR VOICE ONLY
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WHAT IS CATEGORY 2 CABLE
CAT2
CONTAIN FOUR TWITED PAIR OF WIRE
USED TO TRANSMIT DATA UP TO 4MBPS
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