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