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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. What DOS command displays all the cached DNS entries on a WinXP/Win2k system?
Ipconfig/displaydns
Channel
Transfer files that make WWW - Don't be fooled; DNS is for resolving names to IP addresses
IP addressing - layer 3

2. DNS is used to resolve internet names to ________________? (Hint: plural)
IP addresses
The application layer - layer 7
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
Acknowledgment message

3. What does MUA stand for?
Physical and MAC
Router
Mail User Agent (i.e. - Thunderbird)
Application - Transport - Internet - Network Access

4. The HELO command does what in SMTP?
25
The application layer - layer 7
.com or .net
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)

5. Which OSI layer is associated with IP addressing? 1 - 2 - 3 or 4?
Service - protocol
3
23
TCP - Transmission Control Protocol

6. What does IP stand for?
Internet protocol
Transport - layer 4
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

7. What two separate processes does the email server operate?
Physical and MAC
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)
A NIC
All People Seem To Need Data Processing

8. Typical port for DNS?
Virtual terminal session. A connection using Telnet is called a VTY session/connection
2. FTP requires one for commands and replies and one for actual file transfer
TCP/UDP port 53
TCP - Transmission Control Protocol

9. Is a connection using Telnet
The application layer - layer 7
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)
2. FTP requires one for commands and replies and one for actual file transfer
Virtual terminal session. A connection using Telnet is called a VTY session/connection

10. Linux/UNIX uses _____________ for sharing resources with Microsoft networks?
SAMBA
A client request for data
IP addresses
80

11. Interweaving multiple data streams into one shared communication channel is?
Channel
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)
Multiplexing
IP addresses

12. Typical port for SMTP?
Multiplexing
Client/server
25
Email. (Note: HTTP is technically a protocol - so that is incorrect)

13. What is a server daemon?

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14. 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
SMB
Server message block - a request/response protocol
Channel

15. Typical ports for FTP?
A client request for data
The application layer - layer 7
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
20 and 21

16. What is GET?
Internet protocol
A client request for data
Ipconfig/displaydns
All People Seem To Need Data Processing

17. The device that connects another device to the media?
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
Fault tolerance - Scalability - Quality of Service - Security
A NIC
TCP/UDP port 53

18. DHCP enables clients on a network to...
Router
Application - presentation and session
TCP - Transmission Control Protocol
Get IP addresses

19. Four characteristics that are addressed by network architecture design
Fault tolerance - Scalability - Quality of Service - Security
Application - presentation and session
Dynamic
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)

20. ACK is what?
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)
Acknowledgment message
TCP/UDP port 53

21. Client and server processes are considered to be in what layer?
The application layer - layer 7
Application - presentation and session
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)

22. What is a peer-to-peer network?
SAMBA
Email. (Note: HTTP is technically a protocol - so that is incorrect)
IP addresses
Two or more computers connected through a network to share resources without a dedicated server involved.

23. Which is associated with the network layer? IP address - frames - MAC address or physical addressing?
Proprietary
2. FTP requires one for commands and replies and one for actual file transfer
IP addressing - layer 3
Multiplexing

24. What type of addressing is find at the OSI layer 2?
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
Client/server
Proprietary

25. A limited-use protocol owned by a company is?
80
Proprietary
2. FTP requires one for commands and replies and one for actual file transfer
Application - Presentation - Session - Transport - Network - Datalink - Physical

26. Layers of TCP/IP Model
Application - Transport - Internet - Network Access
Two or more computers connected through a network to share resources without a dedicated server involved.
Transport - layer 4
Transfer files that make WWW - Don't be fooled; DNS is for resolving names to IP addresses

27. End vs Intermediary Device
Application - presentation and session
Protocol
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network
IP addressing - layer 3

28. Which is the most popular network service? HTTP - FTP - Telnet or Email?
Ipconfig/displaydns
Multiplexing
Email. (Note: HTTP is technically a protocol - so that is incorrect)
Two or more computers connected through a network to share resources without a dedicated server involved.

29. Is ebay P2P or client/server?
Internet protocol
Client/server
Application - Transport - Internet - Network Access
The application layer - layer 7

30. Which is associated with layer 4 of the OSI model--IP - TCP - FTP - or TFTP?
Mail User Agent (i.e. - Thunderbird)
UDP port 67
TCP - Transmission Control Protocol
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain

31. Which term describes a specific set of rules that determine the formatting of messages and the process of encapsulation used to forward data?
Layer 7 is the application layer and all its components: applications - services and protocols
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)
3

32. FTP requires ___(a number)___________ connection(s) between client and server to successfully transfer files. 1 - 2 - 3 or 4?
Transport - layer 4
2. FTP requires one for commands and replies and one for actual file transfer
Get IP addresses
Virtual terminal session. A connection using Telnet is called a VTY session/connection

33. The application layer is which layer of the OSI model?
Layer 7 is the application layer and all its components: applications - services and protocols
Acknowledgment message
The application layer - layer 7
UDP port 110

34. A device that moves data between networks?
Router
All People Seem To Need Data Processing
TCP/UDP port 53
TCP - Transmission Control Protocol

35. NAK is?
Negative Acknowledgment message
.com or .net
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)
Fault tolerance - Scalability - Quality of Service - Security

36. Protocols perform what tasks?
Get IP addresses
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network
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)
Negative Acknowledgment message

37. Mnemonic for OSI layers
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)
IP addressing - layer 3
TCP/UDP port 53
All People Seem To Need Data Processing

38. MX is what?
The application layer - layer 7
A client request for data
TCP - Transmission Control Protocol
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain

39. What does SMTP stand for?
Simple Mail Transfer Protocol
Service - protocol
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
All People Seem To Need Data Processing

40. Typical port for Telnet?
23
IP addressing - layer 3
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
IP addresses

41. Give an example of a top level domain
.com or .net
SMB
TCP - Transmission Control Protocol
The application layer - layer 7

42. Typical port for HTTP?
Virtual terminal session. A connection using Telnet is called a VTY session/connection
Two or more computers connected through a network to share resources without a dedicated server involved.
A NIC
80

43. What is the correct OSI top down layer order?
Transfer files that make WWW - Don't be fooled; DNS is for resolving names to IP addresses
Application - Presentation - Session - Transport - Network - Datalink - Physical
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. Three functions performed by Presentation Layer
Static
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
Negative Acknowledgment message
Internet protocol

45. The TCP/IP application layer consists roughly of which three OSI layers?
3
Client/server
Application - presentation and session
IP addresses

46. Linux uses SAMBA - which is a version of which file transfer protocol?
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network
23
SMB

47. What layer is the top layer in both the OSI and TCP/IP models?
The application layer - layer 7
20 and 21
Simple Mail Transfer Protocol
.com or .net

48. Generally - which is best for end-user devices? Dynamic (DHCP) addressing or static?
Internet protocol
The application layer - layer 7
GET - POST - PUT
Dynamic

49. Typical port for DHCP?
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
UDP port 67
TCP - Transmission Control Protocol
Physical and MAC

50. Typical port for POP?
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network
Dynamic
UDP port 110
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