CCNA Semester 1 - Chapter 2 Review

1. The TCP/IP Application layer is equivalent to following OSI model layers EXCEPT

A) Application
B) Presentation
C) Transport
D) Session

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) Data Link
B) Transport
C) Network
D) Physical

4. The TCP/IP Network Access layer is equivalent to the Data Link OSI layer and which other layer

A) Session
B) Transport
C) Network
D) Physical

5. The data link layer adds encapsulation in order to

A) identify ALL network devices
B) support error detection
C) ensure data arrival
D) assist router

6. At the data link layer, encapsulation add which type of address?

A) logical
B) physical
C) topographic
D) google maps

7. Encapsulation of data segments into packets occurs in which layer?

A) Physical
B) Transport
C) Data Link
D) Network

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) destination HOST address
B) source application type
C) destination DEVICE type
D) bit overtime RATIO

10. Which is Layer 1 in the OSI Model?

A) Internet
B) Routing
C) Physical
D) Switching

11. An easy acronym to remember the OSI model layers from layers 7 to 1 is All People Seem To Need Data

A) Particles
B) Pounds
C) Packets
D) Processing

12. The 4 layers of the TCP/IP Model from layers 4 to layer 1 are Application, Transport, Internet, and

A) Network Access
B) Physical
C) Network
D) Presentation

13. Geographically speaking, the INTERNET can be considered a

A) EXTRA-NET
B) WAN
C) LAN
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) track END DEVICE delay
D) enable message reassembly at end device

15. PRIOR to data being multiplexed into the network, the data packets must be

A) configured
B) hacked
C) cleaved
D) encapsulated

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) User-friendly
C) Intermediary
D) Expensive

18. The TCP/IP Network Access layer controls hardware devices similar to which layer of the OSI?

A) Network
B) Session
C) Physical
D) Transport

19. In OSI layer 4, port assignment is important because it helps identify

A) control source and end devices services
B) similar services within end devices
C) control source and end devices
D) identify source and end devices

20. Network protocols, such as TCP/IP and Client for Microsoft Networks, perform the following functions EXCEPT

A) define PDU layer structure
B) limits the choice of end devices of a network
C) outline needed layer functions
D) provide layer-unique encapsulation

21. Which is Layer 2 of the OSI model?

A) Transport
B) Network
C) Physical
D) Data Link

22. Which is Layer 2 of the TCP/IP model?

A) Internet
B) Transport
C) Network
D) Application

23. With which Layer of the OSI and TCP/IP model does the end-device user most directly interact?

A) Application
B) Physical
C) Microsoft Office Layer
D) Network

24. Timing and Synchronization of Bits occurs at which layer?

A) Data Link
B) Network
C) Bit and Timing
D) Physical

25. In general, a Protocol Data Unit (PDU) carries three crucial parts: the destination address, the host address, and?

A) Byte IP Host Protocol
B) Data
C) Application Interaction Layer
D) Routing Table Information

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