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Cisco Network Fundamentals

Instructions:

Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can study here.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. What is the correct OSI top down layer order?
Acknowledgment message
Email. (Note: HTTP is technically a protocol - so that is incorrect)
All People Seem To Need Data Processing
Application - Presentation - Session - Transport - Network - Datalink - Physical

2. Which is associated with the network layer? IP address - frames - MAC address or physical addressing?
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)
Ipconfig/displaydns
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network
IP addressing - layer 3

3. What is a server daemon?

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4. Typical ports for FTP?
20 and 21
A service or process that runs in the background to 'listen' to client requests
Client/server
Establish consistent rules for exchanging data - Specifies how data inside the messages are structured and the types of messages that are sent between source and destination - Defines message dialogs (correct response and correct services invoked)

5. Which is associated with layer 4 of the OSI model--IP - TCP - FTP - or TFTP?
Protocol
Simple Mail Transfer Protocol
SAMBA
TCP - Transmission Control Protocol

6. What layer is the top layer in both the OSI and TCP/IP models?
A client request for data
The application layer - layer 7
Two or more computers connected through a network to share resources without a dedicated server involved.
Multiplexing

7. Linux/UNIX uses _____________ for sharing resources with Microsoft networks?
SAMBA
The application layer - layer 7
Multiplexing
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain

8. DHCP enables clients on a network to...
Proprietary
Client/server
Acknowledgment message
Get IP addresses

9. Linux uses SAMBA - which is a version of which file transfer protocol?
Fault tolerance - Scalability - Quality of Service - Security
SMB
GET - POST - PUT
The application layer - layer 7

10. Typical port for SMTP?
Mail User Agent (i.e. - Thunderbird)
Negative Acknowledgment message
25
23

11. HTTP is used to...

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12. Mnemonic for OSI layers
All People Seem To Need Data Processing
.com or .net
TCP/UDP port 53
IP addressing - layer 3

13. FTP requires ___(a number)___________ connection(s) between client and server to successfully transfer files. 1 - 2 - 3 or 4?
A service or process that runs in the background to 'listen' to client requests
2. FTP requires one for commands and replies and one for actual file transfer
Establish consistent rules for exchanging data - Specifies how data inside the messages are structured and the types of messages that are sent between source and destination - Defines message dialogs (correct response and correct services invoked)
Two or more computers connected through a network to share resources without a dedicated server involved.

14. What is a peer-to-peer network?
3
Ipconfig/displaydns
SAMBA
Two or more computers connected through a network to share resources without a dedicated server involved.

15. Typical port for Telnet?
23
Multiplexing
The application layer - layer 7
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network

16. A device that moves data between networks?
23
Application - Presentation - Session - Transport - Network - Datalink - Physical
Router
A network that can carry voice - video - and data over the same network

17. Which is the most popular network service? HTTP - FTP - Telnet or Email?
Negative Acknowledgment message
TCP/UDP port 53
Email. (Note: HTTP is technically a protocol - so that is incorrect)
Get IP addresses

18. What does IP stand for?
UDP port 110
Protocol
23
Internet protocol

19. Typical port for DNS?
Email. (Note: HTTP is technically a protocol - so that is incorrect)
Layer 7 is the application layer and all its components: applications - services and protocols
Application - Transport - Internet - Network Access
TCP/UDP port 53

20. Is a connection using Telnet
A service or process that runs in the background to 'listen' to client requests
Virtual terminal session. A connection using Telnet is called a VTY session/connection
Static
TCP - Transmission Control Protocol

21. MX is what?
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
SAMBA
All People Seem To Need Data Processing
TCP - Transmission Control Protocol

22. The elements of communication include a message source - a message destination - and a _________ - or medium to transport the message.
Segmentation
Channel
Proprietary
Layer 7 is the application layer and all its components: applications - services and protocols

23. NAK is?
Transport - layer 4
Dynamic
Negative Acknowledgment message
GET - POST - PUT

24. Typical port for DHCP?
Do the following to application layer data so that data from source device can be interpreted by the appropriate application on the destination device - Coding and conversion - Compression - Encryption
UDP port 67
GET - POST - PUT
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)

25. What is GET?
IP addresses
Physical and MAC
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network
A client request for data

26. The HELO command does what in SMTP?
Email. (Note: HTTP is technically a protocol - so that is incorrect)
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)
Virtual terminal session. A connection using Telnet is called a VTY session/connection
23

27. Typical port for HTTP?
TCP - Transmission Control Protocol
80
IP addressing - layer 3
Layer 7 is the application layer and all its components: applications - services and protocols

28. The TCP/IP application layer consists roughly of which three OSI layers?
Internet protocol
Application - presentation and session
Segmentation
Layer 7 is the application layer and all its components: applications - services and protocols

29. What does SMTP stand for?
Simple Mail Transfer Protocol
Application - presentation and session
Get IP addresses
Multiplexing

30. Four characteristics that are addressed by network architecture design
23
Channel
Fault tolerance - Scalability - Quality of Service - Security
Protocol

31. Converged Network
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)
A network that can carry voice - video - and data over the same network
Two or more computers connected through a network to share resources without a dedicated server involved.
Acknowledgment message

32. Typical port for POP?
Do the following to application layer data so that data from source device can be interpreted by the appropriate application on the destination device - Coding and conversion - Compression - Encryption
UDP port 110
The application layer - layer 7
Protocol

33. A limited-use protocol owned by a company is?
Proprietary
IP addressing - layer 3
A client request for data
Segmentation

34. Three functions performed by Presentation Layer
Do the following to application layer data so that data from source device can be interpreted by the appropriate application on the destination device - Coding and conversion - Compression - Encryption
TCP - Transmission Control Protocol
UDP port 67
Two or more computers connected through a network to share resources without a dedicated server involved.

35. Give an example of a top level domain
.com or .net
Application - Transport - Internet - Network Access
The application layer - layer 7
25

36. ACK is what?
TCP/UDP port 53
Acknowledgment message
Transport - layer 4
The application layer - layer 7

37. Generally - which is best for end-user devices? Dynamic (DHCP) addressing or static?
IP addressing - layer 3
Dynamic
UDP port 110
IP addresses

38. Which layer is concerned with end to end message delivery?
Transport - layer 4
All People Seem To Need Data Processing
Segmentation
20 and 21

39. What DOS command displays all the cached DNS entries on a WinXP/Win2k system?
Proprietary
Ipconfig/displaydns
UDP port 110
A service or process that runs in the background to 'listen' to client requests

40. In the client/server model - the device requesting the service is referred to as the ...?
80
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network
Client. Even though a device can be both - the device requesting is defined as client
23

41. A ___________ provides the function for doing something - whereas a ___________ provides the rules the service uses
.com or .net
UDP port 67
Service - protocol
Multiplexing

42. What type of addressing is find at the OSI layer 2?
SAMBA
IP addresses
IP addressing - layer 3
Physical and MAC

43. Client and server processes are considered to be in what layer?
Do the following to application layer data so that data from source device can be interpreted by the appropriate application on the destination device - Coding and conversion - Compression - Encryption
TCP/UDP port 53
Email. (Note: HTTP is technically a protocol - so that is incorrect)
The application layer - layer 7

44. Protocols perform what tasks?
Static
Establish consistent rules for exchanging data - Specifies how data inside the messages are structured and the types of messages that are sent between source and destination - Defines message dialogs (correct response and correct services invoked)
Application - Transport - Internet - Network Access
Application - Presentation - Session - Transport - Network - Datalink - Physical

45. Dividing data streams into smaller pieces suitable for transmission is called multiplexing - segmentation - encapsulation - or protocol?
IP addressing - layer 3
All People Seem To Need Data Processing
Segmentation
Get IP addresses

46. Which OSI layer is associated with IP addressing? 1 - 2 - 3 or 4?
3
Layer 7 is the application layer and all its components: applications - services and protocols
Application - Transport - Internet - Network Access
The application layer - layer 7

47. The device that connects another device to the media?
80
Segmentation
A NIC
Channel

48. Layers of TCP/IP Model
Negative Acknowledgment message
Channel
Application - Transport - Internet - Network Access
Transport - layer 4

49. SMB stands for what?
A service or process that runs in the background to 'listen' to client requests
Simple Mail Transfer Protocol
Client/server
Server message block - a request/response protocol

50. End vs Intermediary Device
GET - POST - PUT
Static
Two or more computers connected through a network to share resources without a dedicated server involved.
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network