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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 OSI layer is associated with IP addressing? 1 - 2 - 3 or 4?
20 and 21
A service or process that runs in the background to 'listen' to client requests
3
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network

2. What does MUA stand for?
Static
Mail User Agent (i.e. - Thunderbird)
Transfer files that make WWW - Don't be fooled; DNS is for resolving names to IP addresses
.com or .net

3. The HELO command does what in SMTP?
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)
.com or .net
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

4. MX is 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
Acknowledgment message
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
Get IP addresses

5. What layer is the top layer in both the OSI and TCP/IP models?
The application layer - layer 7
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
Virtual terminal session. A connection using Telnet is called a VTY session/connection
Acknowledgment message

6. ACK is what?
23
Server message block - a request/response protocol
Acknowledgment message
Internet protocol

7. In the client/server model - the device requesting the service is referred to as the ...?
Multiplexing
80
Client. Even though a device can be both - the device requesting is defined as client
Protocol

8. Which term describes a specific set of rules that determine the formatting of messages and the process of encapsulation used to forward data?
A service or process that runs in the background to 'listen' to client requests
Application - presentation and session
Protocol
UDP port 110

9. Protocols perform what tasks?
Mail User Agent (i.e. - Thunderbird)
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)
GET - POST - PUT

10. Dividing data streams into smaller pieces suitable for transmission is called multiplexing - segmentation - encapsulation - or protocol?
Segmentation
Protocol
Internet protocol
80

11. Typical port for SMTP?
Get IP addresses
.com or .net
Mail User Agent (i.e. - Thunderbird)
25

12. Give an example of a top level domain
25
A network that can carry voice - video - and data over the same network
.com or .net
Fault tolerance - Scalability - Quality of Service - Security

13. Generally - which is best for end-user devices? Dynamic (DHCP) addressing or static?
SAMBA
GET - POST - PUT
3
Dynamic

14. Four characteristics that are addressed by network architecture design
All People Seem To Need Data Processing
Fault tolerance - Scalability - Quality of Service - Security
Application - Transport - Internet - Network Access
IP addresses

15. A ___________ provides the function for doing something - whereas a ___________ provides the rules the service uses
Service - protocol
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 addresses
The application layer - layer 7

16. NAK is?
Proprietary
Negative Acknowledgment message
IP addresses
2. FTP requires one for commands and replies and one for actual file transfer

17. End vs Intermediary Device
Email. (Note: HTTP is technically a protocol - so that is incorrect)
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network
Get IP addresses
Transfer files that make WWW - Don't be fooled; DNS is for resolving names to IP addresses

18. Linux/UNIX uses _____________ for sharing resources with Microsoft networks?
IP addressing - layer 3
SAMBA
Virtual terminal session. A connection using Telnet is called a VTY session/connection
20 and 21

19. Interweaving multiple data streams into one shared communication channel is?
GET - POST - PUT
Segmentation
Multiplexing
Layer 7 is the application layer and all its components: applications - services and protocols

20. The three most common HTTP message types are?
GET - POST - PUT
Multiplexing
IP addresses
Simple Mail Transfer Protocol

21. What is GET?
Virtual terminal session. A connection using Telnet is called a VTY session/connection
A client request for data
GET - POST - PUT
25

22. Typical port for DHCP?
Transfer files that make WWW - Don't be fooled; DNS is for resolving names to IP addresses
UDP port 67
TCP/UDP port 53
Server message block - a request/response protocol

23. Mnemonic for OSI layers
Protocol
Client/server
All People Seem To Need Data Processing
3

24. What does SMTP stand for?
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)
Simple Mail Transfer Protocol
Layer 7 is the application layer and all its components: applications - services and protocols
A client request for data

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

26. What is a server daemon?

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27. Typical ports for FTP?
All People Seem To Need Data Processing
Physical and MAC
20 and 21
IP addressing - layer 3

28. 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
The application layer - layer 7
Two or more computers connected through a network to share resources without a dedicated server involved.
Virtual terminal session. A connection using Telnet is called a VTY session/connection

29. Layers of TCP/IP Model
Channel
Application - Transport - Internet - Network Access
Protocol
UDP port 67

30. Which is associated with layer 4 of the OSI model--IP - TCP - FTP - or TFTP?
.com or .net
Mail User Agent (i.e. - Thunderbird)
UDP port 67
TCP - Transmission Control Protocol

31. Which is associated with the network layer? IP address - frames - MAC address or physical addressing?
25
3
Acknowledgment message
IP addressing - layer 3

32. Is a connection using Telnet
SAMBA
A network that can carry voice - video - and data over the same network
Virtual terminal session. A connection using Telnet is called a VTY session/connection
Fault tolerance - Scalability - Quality of Service - Security

33. A device that moves data between networks?
A client request for data
Mail User Agent (i.e. - Thunderbird)
Router
Transfer files that make WWW - Don't be fooled; DNS is for resolving names to IP addresses

34. Is ebay P2P or client/server?
A service or process that runs in the background to 'listen' to client requests
Client/server
A client request for data
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)

35. What is the correct OSI top down layer order?
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)
25
Application - Presentation - Session - Transport - Network - Datalink - Physical
TCP - Transmission Control Protocol

36. DNS is used to resolve internet names to ________________? (Hint: plural)
IP addresses
Static
2. FTP requires one for commands and replies and one for actual file transfer
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

37. Typical port for POP?
20 and 21
IP addressing - layer 3
Dynamic
UDP port 110

38. Typical port for Telnet?
Mail User Agent (i.e. - Thunderbird)
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)
23
IP addressing - layer 3

39. DHCP enables clients on a network to...
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
Protocol
Get IP addresses
IP addressing - layer 3

40. Linux uses SAMBA - which is a version of which file transfer protocol?
All People Seem To Need Data Processing
SMB
Layer 7 is the application layer and all its components: applications - services and protocols
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network

41. Which is the best bet for network devices like gateways - switches - servers and printers--dynamic or static addressing?
Virtual terminal session. A connection using Telnet is called a VTY session/connection
A client request for data
IP addresses
Static

42. Typical port for HTTP?
Client/server
Get IP addresses
80
.com or .net

43. What is a peer-to-peer network?
Two or more computers connected through a network to share resources without a dedicated server involved.
All People Seem To Need Data Processing
IP addresses
Client. Even though a device can be both - the device requesting is defined as client

44. The device that connects another device to the media?
IP addresses
A NIC
Physical and MAC
Dynamic

45. The TCP/IP application layer consists roughly of which three OSI layers?
GET - POST - PUT
Application - presentation and session
Email. (Note: HTTP is technically a protocol - so that is incorrect)
Proprietary

46. SMB stands for what?
Application - presentation and session
Server message block - a request/response protocol
Protocol
Router

47. HTTP is used to...

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48. What DOS command displays all the cached DNS entries on a WinXP/Win2k system?
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)
Dynamic
Email. (Note: HTTP is technically a protocol - so that is incorrect)
Ipconfig/displaydns

49. 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
Layer 7 is the application layer and all its components: applications - services and protocols
Channel
SMB

50. Typical port for DNS?
TCP/UDP port 53
UDP port 67
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