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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 HELO command does what in SMTP?
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)
Layer 7 is the application layer and all its components: applications - services and protocols
Transport - layer 4

2. Four characteristics that are addressed by network architecture design
TCP - Transmission Control Protocol
Segmentation
Internet protocol
Fault tolerance - Scalability - Quality of Service - Security

3. Which is associated with the network layer? IP address - frames - MAC address or physical addressing?
UDP port 67
Segmentation
IP addressing - layer 3
Service - protocol

4. The three most common HTTP message types are?
GET - POST - PUT
Proprietary
Transfer files that make WWW - Don't be fooled; DNS is for resolving names to IP addresses
IP addresses

5. Mnemonic for OSI layers
Mail User Agent (i.e. - Thunderbird)
The application layer - layer 7
All People Seem To Need Data Processing
Transfer files that make WWW - Don't be fooled; DNS is for resolving names to IP addresses

6. MX is what?
25
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)
GET - POST - PUT
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain

7. Layers of TCP/IP Model
Segmentation
A client request for data
Application - Transport - Internet - Network Access
GET - POST - PUT

8. What does SMTP stand for?
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)
Negative Acknowledgment message
Simple Mail Transfer Protocol
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain

9. Which is the best bet for network devices like gateways - switches - servers and printers--dynamic or static addressing?
Layer 7 is the application layer and all its components: applications - services and protocols
Static
The application layer - layer 7
Multiplexing

10. The application layer is which layer of the OSI model?
Protocol
23
Layer 7 is the application layer and all its components: applications - services and protocols
TCP - Transmission Control Protocol

11. Client and server processes are considered to be in what layer?
The application layer - layer 7
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)
Client. Even though a device can be both - the device requesting is defined as client
IP addressing - layer 3

12. Which is the most popular network service? HTTP - FTP - Telnet or Email?
Application - Presentation - Session - Transport - Network - Datalink - Physical
Email. (Note: HTTP is technically a protocol - so that is incorrect)
IP addresses
GET - POST - PUT

13. Typical port for HTTP?
25
80
Transport - layer 4
IP addressing - layer 3

14. A ___________ provides the function for doing something - whereas a ___________ provides the rules the service uses
Client. Even though a device can be both - the device requesting is defined as client
Service - protocol
IP addressing - layer 3
Email. (Note: HTTP is technically a protocol - so that is incorrect)

15. What does IP stand for?
GET - POST - PUT
Internet protocol
Proprietary
Client/server

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

17. Generally - which is best for end-user devices? Dynamic (DHCP) addressing or static?
GET - POST - PUT
Application - presentation and session
Dynamic
TCP - Transmission Control Protocol

18. Which layer is concerned with end to end message delivery?
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)
Transport - layer 4
A network that can carry voice - video - and data over the same network
Internet protocol

19. What is a server daemon?

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20. Converged Network
Negative Acknowledgment message
A network that can carry voice - video - and data over the same network
The application layer - layer 7
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain

21. What type of addressing is find at the OSI layer 2?
Physical and MAC
SMB
Static
A network that can carry voice - video - and data over the same network

22. Is ebay P2P or client/server?
The application layer - layer 7
Client/server
Proprietary
A service or process that runs in the background to 'listen' to client requests

23. A device that moves data between networks?
All People Seem To Need Data Processing
Router
SAMBA
A service or process that runs in the background to 'listen' to client requests

24. Typical port for DHCP?
The application layer - layer 7
UDP port 67
TCP/UDP port 53
All People Seem To Need Data Processing

25. Dividing data streams into smaller pieces suitable for transmission is called multiplexing - segmentation - encapsulation - or protocol?
Segmentation
23
A NIC
Physical and MAC

26. FTP requires ___(a number)___________ connection(s) between client and server to successfully transfer files. 1 - 2 - 3 or 4?
Multiplexing
2. FTP requires one for commands and replies and one for actual file transfer
80
Client/server

27. DHCP enables clients on a network to...
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)
SMB
UDP port 67
Get IP addresses

28. The TCP/IP application layer consists roughly of which three OSI layers?
Two or more computers connected through a network to share resources without a dedicated server involved.
Application - presentation and session
Negative Acknowledgment message
Mail User Agent (i.e. - Thunderbird)

29. HTTP is used to...

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30. Typical ports for FTP?
Fault tolerance - Scalability - Quality of Service - Security
23
20 and 21
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain

31. In the client/server model - the device requesting the service is referred to as the ...?
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)
Client. Even though a device can be both - the device requesting is defined as client
A NIC
Segmentation

32. Typical port for DNS?
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)
GET - POST - PUT
TCP/UDP port 53
.com or .net

33. What is the correct OSI top down layer order?
Layer 7 is the application layer and all its components: applications - services and protocols
Application - Presentation - Session - Transport - Network - Datalink - Physical
23
Simple Mail Transfer Protocol

34. Typical port for Telnet?
Protocol
Get IP addresses
Channel
23

35. What is GET?
A service or process that runs in the background to 'listen' to client requests
A client request for data
IP addressing - layer 3
Get IP addresses

36. Typical port for SMTP?
A service or process that runs in the background to 'listen' to client requests
Protocol
UDP port 67
25

37. Interweaving multiple data streams into one shared communication channel is?
TCP/UDP port 53
Multiplexing
Fault tolerance - Scalability - Quality of Service - Security
Server message block - a request/response protocol

38. Which OSI layer is associated with IP addressing? 1 - 2 - 3 or 4?
Get IP addresses
Router
Ipconfig/displaydns
3

39. Three functions performed by Presentation Layer
UDP port 67
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
Application - presentation and session

40. SMB stands for what?
Dynamic
Server message block - a request/response protocol
UDP port 67
IP addressing - layer 3

41. What is a peer-to-peer network?
Transport - layer 4
A service or process that runs in the background to 'listen' to client requests
Two or more computers connected through a network to share resources without a dedicated server involved.
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)

42. What DOS command displays all the cached DNS entries on a WinXP/Win2k system?
Ipconfig/displaydns
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 - presentation and session
TCP - Transmission Control Protocol

43. Is a connection using Telnet
Virtual terminal session. A connection using Telnet is called a VTY session/connection
Ipconfig/displaydns
SAMBA
.com or .net

44. Protocols perform what tasks?
80
SMB
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)
Router

45. What does MUA stand for?
SAMBA
Two or more computers connected through a network to share resources without a dedicated server involved.
Mail User Agent (i.e. - Thunderbird)
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)

46. DNS is used to resolve internet names to ________________? (Hint: plural)
Transfer files that make WWW - Don't be fooled; DNS is for resolving names to IP addresses
IP addresses
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)
Layer 7 is the application layer and all its components: applications - services and protocols

47. Linux uses SAMBA - which is a version of which file transfer protocol?
Mail User Agent (i.e. - Thunderbird)
Multiplexing
UDP port 67
SMB

48. Give an example of a top level domain
GET - POST - PUT
20 and 21
.com or .net
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)

49. What layer is the top layer in both the OSI and TCP/IP models?
3
The application layer - layer 7
Protocol
Static

50. ACK is what?
Mail User Agent (i.e. - Thunderbird)
Transfer files that make WWW - Don't be fooled; DNS is for resolving names to IP addresses
Acknowledgment message
2. FTP requires one for commands and replies and one for actual file transfer