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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. End vs Intermediary Device
3
Transport - layer 4
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network
Application - Presentation - Session - Transport - Network - Datalink - Physical

2. Typical port for HTTP?
.com or .net
The application layer - layer 7
80
The application layer - layer 7

3. What does SMTP stand for?
Internet protocol
Two or more computers connected through a network to share resources without a dedicated server involved.
20 and 21
Simple Mail Transfer Protocol

4. The HELO command does what in SMTP?
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)
A client request for data
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)
Negative Acknowledgment message

5. SMB stands for what?
Server message block - a request/response protocol
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
Mail User Agent (i.e. - Thunderbird)

6. DNS is used to resolve internet names to ________________? (Hint: plural)
A client request for data
Email. (Note: HTTP is technically a protocol - so that is incorrect)
The application layer - layer 7
IP addresses

7. What is the correct OSI top down layer order?
Application - presentation and session
Segmentation
Layer 7 is the application layer and all its components: applications - services and protocols
Application - Presentation - Session - Transport - Network - Datalink - Physical

8. FTP requires ___(a number)___________ connection(s) between client and server to successfully transfer files. 1 - 2 - 3 or 4?
Transport - layer 4
Email. (Note: HTTP is technically a protocol - so that is incorrect)
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
2. FTP requires one for commands and replies and one for actual file transfer

9. What two separate processes does the email server operate?
TCP/UDP port 53
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)
The application layer - layer 7

10. Which is the most popular network service? HTTP - FTP - Telnet or Email?
A network that can carry voice - video - and data over the same network
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)
Email. (Note: HTTP is technically a protocol - so that is incorrect)
Application - presentation and session

11. Client and server processes are considered to be in what layer?
Protocol
The application layer - layer 7
Channel
GET - POST - PUT

12. Interweaving multiple data streams into one shared communication channel is?
GET - POST - PUT
A network that can carry voice - video - and data over the same network
Channel
Multiplexing

13. DHCP enables clients on a network to...
3
Get IP addresses
25
Negative Acknowledgment message

14. What layer is the top layer in both the OSI and TCP/IP models?
Static
.com or .net
The application layer - layer 7
Mail User Agent (i.e. - Thunderbird)

15. Which OSI layer is associated with IP addressing? 1 - 2 - 3 or 4?
UDP port 67
Application - presentation and session
3
Simple Mail Transfer Protocol

16. Three functions performed by Presentation Layer
Application - Presentation - Session - Transport - Network - Datalink - Physical
Negative Acknowledgment message
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
Transport - layer 4

17. Mnemonic for OSI layers
Application - Presentation - Session - Transport - Network - Datalink - Physical
TCP - Transmission Control Protocol
All People Seem To Need Data Processing
Fault tolerance - Scalability - Quality of Service - Security

18. Is ebay P2P or client/server?
Channel
25
SAMBA
Client/server

19. HTTP is used to...

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20. The device that connects another device to the media?
All People Seem To Need Data Processing
Application - Presentation - Session - Transport - Network - Datalink - Physical
A NIC
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)

21. Which term describes a specific set of rules that determine the formatting of messages and the process of encapsulation used to forward data?
Ipconfig/displaydns
TCP - Transmission Control Protocol
Protocol
Service - protocol

22. Protocols perform what tasks?
Negative Acknowledgment message
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)
Email. (Note: HTTP is technically a protocol - so that is incorrect)
Client. Even though a device can be both - the device requesting is defined as client

23. What type of addressing is find at the OSI layer 2?
23
Application - presentation and session
Two or more computers connected through a network to share resources without a dedicated server involved.
Physical and MAC

24. ACK is what?
Acknowledgment message
Application - Presentation - Session - Transport - Network - Datalink - Physical
Multiplexing
Internet protocol

25. Which is the best bet for network devices like gateways - switches - servers and printers--dynamic or static addressing?
IP addresses
Segmentation
Client/server
Static

26. Layers of TCP/IP Model
Client. Even though a device can be both - the device requesting is defined as client
GET - POST - PUT
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)
Application - Transport - Internet - Network Access

27. Typical port for DHCP?
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)
A service or process that runs in the background to 'listen' to client requests
UDP port 67
Virtual terminal session. A connection using Telnet is called a VTY session/connection

28. What is a server daemon?

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29. Four characteristics that are addressed by network architecture design
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network
Email. (Note: HTTP is technically a protocol - so that is incorrect)
Fault tolerance - Scalability - Quality of Service - Security
IP addressing - layer 3

30. Typical port for POP?
Dynamic
UDP port 110
Negative Acknowledgment message
20 and 21

31. Converged Network
A network that can carry voice - video - and data over the same network
The application layer - layer 7
Acknowledgment message
Physical and MAC

32. The elements of communication include a message source - a message destination - and a _________ - or medium to transport the message.
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
The application layer - layer 7
Channel
Simple Mail Transfer Protocol

33. The application layer is which layer of the OSI model?
UDP port 110
Layer 7 is the application layer and all its components: applications - services and protocols
TCP/UDP port 53
2. FTP requires one for commands and replies and one for actual file transfer

34. What does MUA stand for?
3
80
Mail User Agent (i.e. - Thunderbird)
Channel

35. MX is what?
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
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)
Segmentation
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network

36. Linux uses SAMBA - which is a version of which file transfer protocol?
3
SMB
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network
23

37. Is a connection using Telnet
Virtual terminal session. A connection using Telnet is called a VTY session/connection
TCP/UDP port 53
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)

38. A ___________ provides the function for doing something - whereas a ___________ provides the rules the service uses
Application - presentation and session
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
25
Service - protocol

39. Which layer is concerned with end to end message delivery?
Application - presentation and session
Transport - layer 4
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
A NIC

40. In the client/server model - the device requesting the service is referred to as the ...?
Fault tolerance - Scalability - Quality of Service - Security
Channel
Client. Even though a device can be both - the device requesting is defined as client
Multiplexing

41. A device that moves data between networks?
UDP port 67
TCP - Transmission Control Protocol
Router
Virtual terminal session. A connection using Telnet is called a VTY session/connection

42. Linux/UNIX uses _____________ for sharing resources with Microsoft networks?
Application - Presentation - Session - Transport - Network - Datalink - Physical
SAMBA
Acknowledgment message
A service or process that runs in the background to 'listen' to client requests

43. The three most common HTTP message types are?
GET - POST - PUT
The application layer - layer 7
Transport - layer 4
A NIC

44. Which is associated with layer 4 of the OSI model--IP - TCP - FTP - or TFTP?
TCP - Transmission Control Protocol
2. FTP requires one for commands and replies and one for actual file transfer
A network that can carry voice - video - and data over the same network
3

45. Give an example of a top level domain
Layer 7 is the application layer and all its components: applications - services and protocols
.com or .net
Simple Mail Transfer Protocol
Segmentation

46. Typical port for DNS?
Static
TCP/UDP port 53
80
IP addressing - layer 3

47. What does IP stand for?
A NIC
Client/server
Service - protocol
Internet protocol

48. What is a peer-to-peer network?
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)
Negative Acknowledgment message
Server message block - a request/response protocol

49. Dividing data streams into smaller pieces suitable for transmission is called multiplexing - segmentation - encapsulation - or protocol?
Fault tolerance - Scalability - Quality of Service - Security
Segmentation
GET - POST - PUT
Application - Presentation - Session - Transport - Network - Datalink - Physical

50. A limited-use protocol owned by a company is?
Router
Proprietary
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)
Application - Presentation - Session - Transport - Network - Datalink - Physical