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CCNA Semester 1 - Chapter 2 Review
供稿人: Alvarado
  • 1. The TCP/IP Application layer is equivalent to following OSI model layers EXCEPT
A) Presentation
B) Session
C) Transport
D) Application
  • 2. The TCP/IP Transport layer is equivalent to the following OSI model layer
A) Application
B) Transport
C) Presentation
D) Session
  • 3. The TCP/IP Internet layer is equivalent to the following OSI model layer
A) Physical
B) Network
C) Transport
D) Data Link
  • 4. The TCP/IP Network Access layer is equivalent to the Data Link OSI layer and which other layer
A) Network
B) Physical
C) Transport
D) Session
  • 5. The data link layer adds encapsulation in order to
A) assist router
B) support error detection
C) identify ALL network devices
D) ensure data arrival
  • 6. At the data link layer, encapsulation add which type of address?
A) google maps
B) logical
C) topographic
D) physical
  • 7. Encapsulation of data segments into packets occurs in which layer?
A) Data Link
B) Physical
C) Network
D) Transport
  • 8. Intermediary devices are responsible for the following roles except
A) originate data flow
B) re-time and retransmit data
C) manage network data flow
D) determine network data pathways
  • 9. The network layer header of a packet provides the
A) source application type
B) destination HOST address
C) bit overtime RATIO
D) destination DEVICE type
  • 10. Which is Layer 1 in the OSI Model?
A) Switching
B) Internet
C) Physical
D) Routing
  • 11. An easy acronym to remember the OSI model layers from layers 7 to 1 is All People Seem To Need Data
A) Processing
B) Packets
C) Pounds
D) Particles
  • 12. The 4 layers of the TCP/IP Model from layers 4 to layer 1 are Application, Transport, Internet, and
A) Physical
B) Network Access
C) Presentation
D) Network
  • 13. Geographically speaking, the INTERNET can be considered a
A) WAN
B) LAN
C) EXTRA-NET
D) MAN
  • 14. Encapsulation helps with the following key functions EXCEPT:
A) label the data packets of a particular transmission
B) provides information crucial for data delivery
C) enable message reassembly at end device
D) track END DEVICE delay
  • 15. PRIOR to data being multiplexed into the network, the data packets must be
A) configured
B) encapsulated
C) hacked
D) cleaved
  • 16. PDUs, or Protocol Data Units, are layer-specific
A) streams
B) partitions
C) multiplexifications
D) encapsulations
  • 17. Desktops, IP Phones, Laptops, Cell Phones, PDAs, iPod iTouchs, are all examples of what type of devices?
A) End
B) Intermediary
C) Expensive
D) User-friendly
  • 18. The TCP/IP Network Access layer controls hardware devices similar to which layer of the OSI?
A) Session
B) Transport
C) Network
D) Physical
  • 19. In OSI layer 4, port assignment is important because it helps identify
A) identify source and end devices
B) similar services within end devices
C) control source and end devices
D) control source and end devices services
  • 20. Network protocols, such as TCP/IP and Client for Microsoft Networks, perform the following functions EXCEPT
A) provide layer-unique encapsulation
B) outline needed layer functions
C) limits the choice of end devices of a network
D) define PDU layer structure
  • 21. Which is Layer 2 of the OSI model?
A) Physical
B) Network
C) Data Link
D) Transport
  • 22. Which is Layer 2 of the TCP/IP model?
A) Transport
B) Network
C) Internet
D) Application
  • 23. With which Layer of the OSI and TCP/IP model does the end-device user most directly interact?
A) Application
B) Network
C) Physical
D) Microsoft Office Layer
  • 24. Timing and Synchronization of Bits occurs at which layer?
A) Bit and Timing
B) Network
C) Physical
D) Data Link
  • 25. In general, a Protocol Data Unit (PDU) carries three crucial parts: the destination address, the host address, and?
A) Application Interaction Layer
B) Routing Table Information
C) Byte IP Host Protocol
D) Data
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