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