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