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- 1. Multiple ChoiceOne of the following components working at physical layer:SwitchPCHubRouter
- 2. Multiple ChoiceIt is the layer that offers a physical address so a device’s data can be sent on the network:Data-Link LayerNetwork LayerTransport LayerPhysical Layer
- 3. Multiple ChoiceLayer 3 of the OSI model, provides an end-to-end logical addressing system so that a packet of data can be routed across several networks. Logical addressing referred to:MAC addressesIP addressesMemory addressesComputer addresses
- 4. Multiple ChoiceThe layer that is responsible for message encryption/decryption, compression and translation is:Layer 4Layer 5Layer 6Layer 7
- 5. Multiple Choice
HTTP, email, and end users apps works at Layer:
2
3
6
7
- 6. Multiple ChoiceMAC address is implemented at which OSI model layer?Physical LayerData Link LayerNetwork LayerPresentation Layer
- 7. Multiple ChoiceEncryption takes place at which layer?Physical LayerTransport LayerNetwork LayerPresentation Layer
- 8. Multiple ChoiceIP is implemented at which OSI model layer?Physical LayerTransport LayerNetwork LayerPresentation Layer
- 9. Multiple ChoiceBits are packaged at which layer of the OSI model?Physical LayerData Link LayerNetwork LayerPresentation Layer
- 10. Multiple ChoiceWhich layer of the OSI does the Switch work on?Transport LayerNetwork LayerData Link LayerPhysical Layer
- 11. Multiple ChoiceWhich layer of the OSI does the Hub work on?Transport LayerNetwork LayerData Link LayerPhysical Layer
- 12. Multiple ChoiceWhich layer of the OSI is the Date moving in Bits ?Transport LayerNetwork LayerData Link LayerPhysical Layer
- 13. Multiple ChoiceFTP Protocol is working in which layer of OSI ?Transport LayerPresentation LayerSession LayerApplication Layer
- 14. Multiple ChoiceTCP/UDP Protocols are working in which layer of OSI ?Transport LayerPresentation LayerSession LayerApplication Layer
- 15. Multiple ChoiceIs a Transport Layer protocol :UDPIPIPXFDDI
- 16. Multiple Choice
Which of the following lists the layers of the OSI model in proper order from the most basic bottom layer to the most complex top layer?Physical, Data Link, Network, Transport, Session, Presentation, ApplicationNetwork Access, Internet, Transport, ApplicationApplication, Presentation, Session, Transport, Network Data Link, PhysicalBits, Frames, Packets, Segments, Data - 17. Multiple Choice
Which layer in the OSI model do MAC addresses and switches use?
Physical
Data Link
Network
Transport
- 18. Multiple Choice
Which layer in the OSI model covers routing between networks?
Physical
Data Link
Network
Transport
- 19. Multiple Choice
Which layer in the OSI model covers HTTP, FTP, and RDC?
Physical
Session
Application
Presentation
- 20. Multiple Choice
What layer in the OSI model is used to encrypt data?
Physical
Session
Application
Presentation
- 21. Multiple Choice
Which layer in the OSI model includes the cable and network adapters?
Physical
Session
Application
Presentation
- 22. Multiple Choice
A layer 3 switch is similar to a
Hub
Router
Switch
Data Link
- 23. Multiple Choice
How many layers are in the OSI model?
3
4
6
7
- 24. Multiple ChoiceThe OSI model layer that covers the physical and electrical medium for data transfer. It includes, but is not limited to, cables, jacks, patch panels, punch blocks, hubs, and MAUs.network layerdata link layerphysical layer
- 25. Multiple ChoiceAn OSI model layer that controls the dialogues (connections) between computers. It establishes, manages, and terminates the connections between the local and remote application.application layerpresentation layersession layer
- 26. Multiple ChoicePhysical layer of the OSI model is also known as:Layer 2Layer 7Layer 1Layer 4
- 27. Multiple ChoiceWhat is the name of a data unit used at the OSI physical layer?FrameSegmentBitPacket
- 28. Multiple ChoiceIn the OSI model, physical addressing takes place at the:Data link layerLayer 7Physical layerSession layer
- 29. Multiple ChoiceLayer 2 of the OSI model is also known as:Transport layerNetwork layerData link layerPhysical layer
- 30. Multiple ChoiceIn the OSI model, Media Access Control (MAC) and Logical Link Control (LLC) sublayers are the components of:Session layerData link layerTransport layerNetwork layer
- 31. Multiple ChoiceWhich of the following devices resides at the data link layer of the OSI model?RouterPassive HubEthernet switchRepeater
- 32. Multiple ChoiceWhich of the following terms refers to the OSI network layer?Layer 2Layer 5Layer 3Layer 4
- 33. Multiple ChoiceAt which of the OSI layers IP addressing takes place?Layer 3Layer 1Layer 4Layer 6
- 34. Multiple ChoiceLayer 3 of the OSI model is also referred to as:Data link layerNetwork layerSession layerTransport layer
- 35. Multiple ChoiceLayer 4 of the OSI model is also referred to as:Network layerData link layerSession LayerTransport layer
- 36. Multiple ChoiceWhich OSI layer assumes the responsibility for managing network connections between applications?Network layerData link layerApplication layerSession layer
- 37. Multiple ChoiceLayer 5 of the OSI model is also referred to as:Session layerApplication layerTransport layerPresentation layer
- 38. Multiple ChoiceIn the OSI model, session layer is also known as:Layer 4Layer 6Layer 5Layer 3
- 39. Multiple ChoiceIn the OSI model, data compression takes place at the:Session layerPresentation layerNetwork layerPhysical layer
- 40. Multiple ChoiceThe term "Presentation layer" refers to:Layer 7 of the OSI modelLayer 5 of the OSI modelLayer 6 of the OSI modelLayer 4 of the OSI model
- 41. Multiple ChoiceData encryption and decryption typically takes place at the:Layer 3 of the OSI modelPresentation layer of the OSI modelData link layer of the OSI modelLayer 1 of the OSI model
- 42. Multiple ChoiceOSI layer 7 is also referred to as:Application layerSession layerPresentation layerTransport layer
- 43. Multiple ChoiceThe application layer of the OSI model is also known as:Layer 1Layer 3Layer 6Layer 7
- 44. Multiple ChoiceAt which layer in the OSI model are MAC addresses and switches found?PhysicalData LinkNetworkTransport
- 45. Multiple ChoiceA repeater is a connecting device that operates in the ________ layer of the OSI model.PhysicalData LinkNetworkApplication
- 46. Multiple ChoiceWhich layer of the OSI model performs media, signal and binary transmission functions?Physical LayerTransport LayerData Link LayerApplication Layer
- 47. Multiple ChoiceIn the OSI model, repeaters and hubs operate at which layer?NetworkPhysicalTransportData Link
- 48. Multiple ChoiceBottom-up troubleshooting begins at which layer of the OSI model?Network layerPhysical layerTransport layerApplication layer
- 49. Multiple Choice
Enables applications on a network node (device) to request network services such as file transfers, email, and database access.
Presentation Layer
Application Layer
Session Layer
Transport Layer
- 50. Multiple Choice
Translate application layer data into an intermediate form that both client and server can process. (Proxies and Firewalls work at this layer)
Presentation Layer
Application Layer
Session Layer
Transport Layer
- 51. Multiple Choice
Establishes and controls data communication between applications operating on two different devices.
Presentation Layer
Application Layer
Session Layer
Physical Layer
- 52. Multiple Choice
Performs the actual establishment, maintenance, and tear down of the connection. Optionally divides long communications into smaller segments, including error recognition and correction, and data receipt acknowledgment. TCP
Transport Layer
Application Layer
Session Layer
Physical Layer
- 53. Multiple Choice
Adds logical addressing (network addresses) and chooses the best route. IP, ICMP, and IGMP exist at this layer. Routers.
Transport Layer
Network Layer
Data Link Layer
Physical Layer
- 54. Multiple Choice
Structures the data into a format appropriate for the transmission medium. Adds physical addresses such as MAC addresses or frame relay data link connection identifier (DLCI) numbers.
Transport Layer
Network Layer
Data Link Layer
Physical Layer
- 55. Multiple Choice
Transmits bits (binary digits) from one device to another and regulates the transmission stream over a medium (wire, fiber optics, or radio waves) All electrical and mechanical aspects of data transmission exist at this layer, including cabling, connectors, antennas, transceivers, baseband, broadband, signaling types, voltages, waveforms, modulation, frquencies, and clock rates. NIC, hubs and repeaters work at this layer.
Transport Layer
Network Layer
Data Link Layer
Physical Layer
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