CCNA Semester 1 - Chapter 2 Review

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

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

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

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

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

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

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

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

5. The data link layer adds encapsulation in order to

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

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

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

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

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

8. Intermediary devices are responsible for the following roles except

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

9. The network layer header of a packet provides the

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

10. Which is Layer 1 in the OSI Model?

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

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

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

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

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

13. Geographically speaking, the INTERNET can be considered a

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

14. Encapsulation helps with the following key functions EXCEPT:

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

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) encapsulations
C) partitions
D) multiplexifications

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

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

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

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

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

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

21. Which is Layer 2 of the OSI model?

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

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

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

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

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

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

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

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

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

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