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CCNA Semester 1 - Chapter 2B
Con il contributo di: Alvarado
  • 1. The following are end devices EXCEPT
A) printer
B) ipod itouch
C) router
D) ip phone
  • 2. The following are intermediary devices EXCEPT
A) hub
B) router
C) laptop
D) lan switch
  • 3. An intranet is only available to a/an
A) neiborhood
B) organization
C) city
D) residence
  • 4. Packet Tracer helps in creating virtual
A) LANs
B) switches
C) routers
D) networks
  • 5. The TRACERT command allows the user to observe the flow of
A) IP command lines
B) hackers
C) protocols
D) information
  • 6. Which is the seventh layer of the OSI model?
A) physical
B) presentation
C) session
D) application
  • 7. Which is the first layer of the OSI model?
A) session
B) application
C) presentation
D) physical
  • 8. How many layers does the OSI model have?
A) four
B) eight
C) nine
D) seven
  • 9. How many layers does the TCI/IP model have?
A) seven
B) nine
C) four
D) eight
  • 10. In which layer are data bits timed and synchronized?
A) network
B) transport
C) datalink
D) physical
  • 11. In which layer do packets receive their destination and source PHYSICAL addresses?
A) physical
B) transport
C) datalink
D) network
  • 12. In which layer do packets receive their destination and source LOGICAL addresses?
A) network
B) physical
C) transport
D) datalink
  • 13. PDUs receive the following information except
A) destination address
B) source address
C) routing tables
D) packet data
  • 14. PDU stands for Protocol Data...
A) Unicode
B) Union
C) Unification
D) Unit
  • 15. At end devices, service port numbers direct incoming data to the correct
A) domain
B) user
C) conversation
D) topology
  • 16. The following are benefits of using a layered model except
A) prevent one layer from affecting the other layers
B) foster vendor competition
C) accelerate rate of router transmissions
D) assist in protocol design
  • 17. As data passes down the OSI layered model stacks, it is
A) assembled
B) specialized
C) encapsulated
D) enhanced
  • 18. TRACERT or TRACEROUTE is a tool used to determine the path taken by
A) packets
B) routers
C) LANs
D) switches
  • 19. The Domain Name System is considered an internet phonebook because it translates hostnames into
A) IP addresses
B) routing tables
C) cmd commands
D) proxy servers
  • 20. What type of network cabling is required in a direct peer-to-peer connection?
A) straight-through
B) crossover
C) console
D) RJ-11
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