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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. The application layer is which layer of the OSI model?
Protocol
Multiplexing
Segmentation
Layer 7 is the application layer and all its components: applications - services and protocols

2. Which is the most popular network service? HTTP - FTP - Telnet or Email?
A service or process that runs in the background to 'listen' to client requests
Email. (Note: HTTP is technically a protocol - so that is incorrect)
25
80

3. HTTP is used to...

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4. Which is associated with layer 4 of the OSI model--IP - TCP - FTP - or TFTP?
Negative Acknowledgment message
TCP - Transmission Control Protocol
Layer 7 is the application layer and all its components: applications - services and protocols
Transport - layer 4

5. What type of addressing is find at the OSI layer 2?
Acknowledgment message
Physical and MAC
Ipconfig/displaydns
Negative Acknowledgment message

6. MX is what?
All People Seem To Need Data Processing
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
Channel
Virtual terminal session. A connection using Telnet is called a VTY session/connection

7. Give an example of a top level domain
Ipconfig/displaydns
Email. (Note: HTTP is technically a protocol - so that is incorrect)
Protocol
.com or .net

8. Typical ports for FTP?
Dynamic
20 and 21
3
GET - POST - PUT

9. Converged Network
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network
Negative Acknowledgment message
A network that can carry voice - video - and data over the same network
Email. (Note: HTTP is technically a protocol - so that is incorrect)

10. ACK is what?
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)
Virtual terminal session. A connection using Telnet is called a VTY session/connection
Acknowledgment message
3

11. What is a server daemon?

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12. The three most common HTTP message types are?
.com or .net
Acknowledgment message
Multiplexing
GET - POST - PUT

13. Which term describes a specific set of rules that determine the formatting of messages and the process of encapsulation used to forward data?
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
Email. (Note: HTTP is technically a protocol - so that is incorrect)
Negative Acknowledgment message

14. What DOS command displays all the cached DNS entries on a WinXP/Win2k system?
Acknowledgment message
Static
80
Ipconfig/displaydns

15. What is the correct OSI top down layer order?
Application - Presentation - Session - Transport - Network - Datalink - Physical
Client. Even though a device can be both - the device requesting is defined as client
Layer 7 is the application layer and all its components: applications - services and protocols
Proprietary

16. A device that moves data between networks?
Service - protocol
23
Client. Even though a device can be both - the device requesting is defined as client
Router

17. The elements of communication include a message source - a message destination - and a _________ - or medium to transport the message.
Channel
TCP - Transmission Control Protocol
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
Client/server

18. What does IP stand for?
Simple Mail Transfer Protocol
Internet protocol
Ipconfig/displaydns
Channel

19. DNS is used to resolve internet names to ________________? (Hint: plural)
A client request for data
Fault tolerance - Scalability - Quality of Service - Security
IP addresses
Email. (Note: HTTP is technically a protocol - so that is incorrect)

20. Typical port for POP?
UDP port 110
A client request for data
TCP/UDP port 53
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. What is a peer-to-peer network?
TCP/UDP port 53
Simple Mail Transfer Protocol
A client request for data
Two or more computers connected through a network to share resources without a dedicated server involved.

22. The device that connects another device to the media?
SMB
Simple Mail Transfer Protocol
A NIC
UDP port 67

23. What layer is the top layer in both the OSI and TCP/IP models?
SAMBA
Multiplexing
The application layer - layer 7
Static

24. In the client/server model - the device requesting the service is referred to as the ...?
A NIC
The application layer - layer 7
Client. Even though a device can be both - the device requesting is defined as client
Email. (Note: HTTP is technically a protocol - so that is incorrect)

25. Layers of TCP/IP Model
Virtual terminal session. A connection using Telnet is called a VTY session/connection
Application - presentation and session
Application - Transport - Internet - Network Access
TCP/UDP port 53

26. Typical port for HTTP?
A client request for data
Mail User Agent (i.e. - Thunderbird)
80
Application - Presentation - Session - Transport - Network - Datalink - Physical

27. Typical port for DHCP?
Email. (Note: HTTP is technically a protocol - so that is incorrect)
SMB
UDP port 67
Multiplexing

28. NAK is?
Negative Acknowledgment message
Layer 7 is the application layer and all its components: applications - services and protocols
The application layer - layer 7
A service or process that runs in the background to 'listen' to client requests

29. Linux/UNIX uses _____________ for sharing resources with Microsoft networks?
SAMBA
TCP/UDP port 53
Virtual terminal session. A connection using Telnet is called a VTY session/connection
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network

30. The TCP/IP application layer consists roughly of which three OSI layers?
GET - POST - PUT
3
Get IP addresses
Application - presentation and session

31. What does SMTP stand for?
SMB
Simple Mail Transfer Protocol
The application layer - layer 7
3

32. Three functions performed by Presentation Layer
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)
Dynamic
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network
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

33. Client and server processes are considered to be in what layer?
3
TCP - Transmission Control Protocol
20 and 21
The application layer - layer 7

34. DHCP enables clients on a network to...
Get IP addresses
Mail User Agent (i.e. - Thunderbird)
Negative Acknowledgment message
23

35. Which is associated with the network layer? IP address - frames - MAC address or physical addressing?
2. FTP requires one for commands and replies and one for actual file transfer
Negative Acknowledgment message
IP addressing - layer 3
Email. (Note: HTTP is technically a protocol - so that is incorrect)

36. What does MUA stand for?
IP addresses
UDP port 110
Service - protocol
Mail User Agent (i.e. - Thunderbird)

37. What two separate processes does the email server operate?
2. FTP requires one for commands and replies and one for actual file transfer
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)
Acknowledgment message
The application layer - layer 7

38. Generally - which is best for end-user devices? Dynamic (DHCP) addressing or static?
Proprietary
A client request for data
The application layer - layer 7
Dynamic

39. Four characteristics that are addressed by network architecture design
Client/server
Get IP addresses
Fault tolerance - Scalability - Quality of Service - Security
All People Seem To Need Data Processing

40. Linux uses SAMBA - which is a version of which file transfer protocol?
The application layer - layer 7
SMB
A service or process that runs in the background to 'listen' to client requests
Email. (Note: HTTP is technically a protocol - so that is incorrect)

41. Typical port for Telnet?
23
A network that can carry voice - video - and data over the same network
Acknowledgment message
The application layer - layer 7

42. Protocols perform what tasks?
Server message block - a request/response protocol
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)
Fault tolerance - Scalability - Quality of Service - Security

43. FTP requires ___(a number)___________ connection(s) between client and server to successfully transfer files. 1 - 2 - 3 or 4?
3
80
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

44. Typical port for SMTP?
Static
25
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)
IP addressing - layer 3

45. Which OSI layer is associated with IP addressing? 1 - 2 - 3 or 4?
The application layer - layer 7
Application - presentation and session
3
SMB

46. SMB stands for what?
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
Multiplexing
Server message block - a request/response protocol

47. Is a connection using Telnet
Virtual terminal session. A connection using Telnet is called a VTY session/connection
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)
Service - protocol
Email. (Note: HTTP is technically a protocol - so that is incorrect)

48. What is GET?
Negative Acknowledgment message
GET - POST - PUT
3
A client request for data

49. Typical port for DNS?
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)
TCP/UDP port 53
Transport - layer 4
UDP port 110

50. Which is the best bet for network devices like gateways - switches - servers and printers--dynamic or static addressing?
Static
20 and 21
Transport - layer 4
Segmentation