CCNA 1 Introduction
__1. ExtranetsA. packet tracer
__2. fault toleranceB. quickly expands
__3. Instant MessagingC. Switch Networks
__4. quality of serviceD. limits damage
__5. scalabilityE. assigns priority
__6. securityF. protection and defense
__7. simulationG. Voice OVER IP
__8. TelephoneH. Real Time Communication
__9. VOIPI. Extended Internetworks
__10. WikisJ. Group-created Websites
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