comptia a+ 4

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Author:
ROARKE008
ID:
102051
Filename:
comptia a+ 4
Updated:
2011-09-15 23:29:42
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a+ 4
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  1. WHAT IS THE DIFFERENCE BETWEEN FULL AND HALF DUPLEXING?
    • FULL DUPLEXING- BOTH CAN SEND/RECIEVE AT THE SAME TIME
    • HALF DUPLEXING MEANS IT CAN SEND AND RECEIVE BUT NOT AT THE SAME TIME
  2. WHAT IS ANOTHER NAME FOR A SERVER BASED NETWORK?
    CLIENT/SERVER NETWORK OR DOMAIN
  3. WHAT IS THE DIFFERENCE BETWEEN BASEBAND AND BROADBAND?
    BASEBAND- THE ENTIRE MEDIUM'S CAPACITY IS USED FOR ONE SIGNAL. THE SPEED POSSIBILITIES ARE THUS INCREASED BECAUSE THE ENTIRE CHANNEL IS UTILIZED.BROADBAND IS USED TO CARRY MULTIPLE SIGNALS
  4. WHICH LAYER OF THE OSI MODEL TAKES DATA FROM THE UPPER LAYERS AND PREPARES IT FOR SENDING ACROSS THE PHYSICAL LAYER?
    THE DATA LINK LAYER TAKES DATA FROM THE UPPER LAYERS AND PREPARES IT FOR SENDING ACROSS THE PHYSICAL LAER
  5. AT WHICH LAYERS OF THE OSI MOMDEL DOES A GATEWAY OPERATE?
    A GATEWAY OPERATES AT THE TOP FOUR LAYERS: APPLICATION, PRESENTATION, SESSION, AND TRANSPORT.
  6. WHAT IS THE TERM FOR THE RULES THAT GOVERN THE COMMUNICATIOSN BETWEEN NETWORK CLIENTS?
    A PROTOCOL IS A SET OF RULES THAT GOVERNS THE COMMUNICATION BETWEEN CLIENTS
  7. WHAT IS THE TERM FOR A NETWORK THAT USES PUBLIC MEDIA, SUCH AS THE INTERNET, TO CONNECT THE NODES
    VPNS ARE USED TO MAKE CONNECTIONS BETWEEN PRIVATE NETWORKS ACCROSS A PUBLIC NETWORK, SUCH AS THE INTERN.
  8. WHICH TYPE OF SERVER TRANSLATES HOSTNAMES TO IP ADDRESSES
    A DOMAIN NAME SERVICE SERVER TRANSLATES HOST NAMES TO IP ADDRESSES
  9. WHAT IS THE DEFAULT SUBNET MASK VALUE FOR A HOST WITH A CLASS B ADDRESS
    THE DEFAULT SUBNET MASK VALUE FOR A HOST WITH A CLASS B ADDRESS IS 255.255.0.0
  10. BLUETOOTH?
    SHORT RANGE WIRELESS STANDARD

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