CCNA Semester 1 - Chapter 2 Review

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

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

2. The TCP/IP Transport layer is equivalent to the following OSI model layer

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

3. The TCP/IP Internet layer is equivalent to the following OSI model layer

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

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

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

5. The data link layer adds encapsulation in order to

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

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

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

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

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

8. Intermediary devices are responsible for the following roles except

A) determine network data pathways
B) re-time and retransmit data
C) manage network data flow
D) originate data flow

9. The network layer header of a packet provides the

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

10. Which is Layer 1 in the OSI Model?

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

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

A) Packets
B) Processing
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
C) Network Access
D) Presentation

13. Geographically speaking, the INTERNET can be considered a

A) EXTRA-NET
B) WAN
C) MAN
D) LAN

14. Encapsulation helps with the following key functions EXCEPT:

A) enable message reassembly at end device
B) label the data packets of a particular transmission
C) provides information crucial for data delivery
D) track END DEVICE delay

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

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

16. PDUs, or Protocol Data Units, are layer-specific

A) multiplexifications
B) streams
C) partitions
D) encapsulations

17. Desktops, IP Phones, Laptops, Cell Phones, PDAs, iPod iTouchs, are all examples of what type of devices?

A) Intermediary
B) User-friendly
C) End
D) Expensive

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

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

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

21. Which is Layer 2 of the OSI model?

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

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

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

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

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

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

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