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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. Which is the most popular network service? HTTP - FTP - Telnet or Email?
Email. (Note: HTTP is technically a protocol - so that is incorrect)
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
Physical and MAC
A NIC

2. Which OSI layer is associated with IP addressing? 1 - 2 - 3 or 4?
3
The application layer - layer 7
Negative Acknowledgment message
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)

3. NAK is?
IP addresses
Negative Acknowledgment message
TCP - Transmission Control Protocol
Application - Presentation - Session - Transport - Network - Datalink - Physical

4. Three functions performed by Presentation Layer
Application - presentation and session
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)
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
.com or .net

5. The TCP/IP application layer consists roughly of which three OSI layers?
Get IP addresses
Segmentation
Application - presentation and session
Fault tolerance - Scalability - Quality of Service - Security

6. Which layer is concerned with end to end message delivery?
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)
Layer 7 is the application layer and all its components: applications - services and protocols
Transport - layer 4

7. What is a server daemon?

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8. Typical port for POP?
Negative Acknowledgment message
Proprietary
Get IP addresses
UDP port 110

9. What does SMTP stand for?
23
The application layer - layer 7
Simple Mail Transfer Protocol
IP addressing - layer 3

10. What is the correct OSI top down layer order?
Mail User Agent (i.e. - Thunderbird)
Application - presentation and session
Multiplexing
Application - Presentation - Session - Transport - Network - Datalink - Physical

11. Which is associated with the network layer? IP address - frames - MAC address or physical addressing?
IP addressing - layer 3
.com or .net
TCP - Transmission Control Protocol
20 and 21

12. Is a connection using Telnet
SMB
25
Proprietary
Virtual terminal session. A connection using Telnet is called a VTY session/connection

13. Which term describes a specific set of rules that determine the formatting of messages and the process of encapsulation used to forward data?
20 and 21
Protocol
UDP port 110
The application layer - layer 7

14. The elements of communication include a message source - a message destination - and a _________ - or medium to transport the message.
2. FTP requires one for commands and replies and one for actual file transfer
Router
Channel
The application layer - layer 7

15. What layer is the top layer in both the OSI and TCP/IP models?
Physical and MAC
Client/server
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
The application layer - layer 7

16. End vs Intermediary Device
Service - protocol
20 and 21
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain

17. Client and server processes are considered to be in what layer?
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
Service - protocol
Router
The application layer - layer 7

18. In the client/server model - the device requesting the service is referred to as the ...?
Client. Even though a device can be both - the device requesting is defined as client
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
25
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain

19. The three most common HTTP message types are?
UDP port 110
Segmentation
Client/server
GET - POST - PUT

20. Typical port for SMTP?
Static
25
20 and 21
UDP port 110

21. Give an example of a top level domain
GET - POST - PUT
The application layer - layer 7
.com or .net
The application layer - layer 7

22. Typical ports for FTP?
Layer 7 is the application layer and all its components: applications - services and protocols
80
20 and 21
Channel

23. The HELO command does what in SMTP?
Internet protocol
Two or more computers connected through a network to share resources without a dedicated server involved.
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

24. What does MUA stand for?
Mail User Agent (i.e. - Thunderbird)
80
SMB
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

25. A ___________ provides the function for doing something - whereas a ___________ provides the rules the service uses
Fault tolerance - Scalability - Quality of Service - Security
Service - protocol
80
Dynamic

26. Linux/UNIX uses _____________ for sharing resources with Microsoft networks?
80
Client/server
SAMBA
.com or .net

27. The application layer is which layer of the OSI model?
80
25
Layer 7 is the application layer and all its components: applications - services and protocols
TCP/UDP port 53

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

29. SMB stands for what?
Server message block - a request/response protocol
Dynamic
Multiplexing
Client. Even though a device can be both - the device requesting is defined as client

30. A limited-use protocol owned by a company is?
Proprietary
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network
Physical and MAC
Get IP addresses

31. Typical port for HTTP?
Ipconfig/displaydns
Acknowledgment message
80
IP addresses

32. Typical port for Telnet?
23
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)
Physical and MAC
SMB

33. Is ebay P2P or client/server?
UDP port 67
Client/server
Client. Even though a device can be both - the device requesting is defined as client
UDP port 110

34. Mnemonic for OSI layers
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)
All People Seem To Need Data Processing
Application - Transport - Internet - Network Access
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)

35. What type of addressing is find at the OSI layer 2?
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
TCP - Transmission Control Protocol
Physical and MAC
20 and 21

36. What does IP stand for?
Dynamic
25
Simple Mail Transfer Protocol
Internet protocol

37. Typical port for DHCP?
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)
Fault tolerance - Scalability - Quality of Service - Security
UDP port 67
Negative Acknowledgment message

38. What is GET?
A client request for data
TCP/UDP port 53
Service - protocol
25

39. DNS is used to resolve internet names to ________________? (Hint: plural)
Internet protocol
IP addresses
Mail User Agent (i.e. - Thunderbird)
SAMBA

40. DHCP enables clients on a network to...
GET - POST - PUT
TCP/UDP port 53
Channel
Get IP addresses

41. Converged Network
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)
A network that can carry voice - video - and data over the same network
Server message block - a request/response protocol
23

42. Interweaving multiple data streams into one shared communication channel is?
Channel
Multiplexing
IP addressing - layer 3
Protocol

43. Layers of TCP/IP Model
Application - Transport - Internet - Network Access
IP addressing - layer 3
23
UDP port 110

44. Typical port for DNS?
.com or .net
TCP/UDP port 53
Application - Transport - Internet - Network Access
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)

45. HTTP is used to...

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46. Generally - which is best for end-user devices? Dynamic (DHCP) addressing or static?
Dynamic
A network that can carry voice - video - and data over the same network
Transfer files that make WWW - Don't be fooled; DNS is for resolving names to IP addresses
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

47. Which is the best bet for network devices like gateways - switches - servers and printers--dynamic or static addressing?
Static
Two or more computers connected through a network to share resources without a dedicated server involved.
All People Seem To Need Data Processing
Channel

48. Protocols perform what tasks?
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)
Client/server
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network
The application layer - layer 7

49. Linux uses SAMBA - which is a version of which file transfer protocol?
Acknowledgment message
Static
SMB
Segmentation

50. What is a peer-to-peer network?
Application - Presentation - Session - Transport - Network - Datalink - Physical
UDP port 67
TCP/UDP port 53
Two or more computers connected through a network to share resources without a dedicated server involved.