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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 layer is the top layer in both the OSI and TCP/IP models?
The application layer - layer 7
20 and 21
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
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)

2. SMB stands for what?
Simple Mail Transfer Protocol
23
80
Server message block - a request/response protocol

3. Four characteristics that are addressed by network architecture design
Fault tolerance - Scalability - Quality of Service - Security
Segmentation
IP addressing - layer 3
A network that can carry voice - video - and data over the same network

4. Typical port for Telnet?
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)
23
Segmentation

5. Which is associated with the network layer? IP address - frames - MAC address or physical addressing?
IP addresses
Protocol
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
IP addressing - layer 3

6. What does MUA stand for?
Mail User Agent (i.e. - Thunderbird)
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)
Internet protocol
Client/server

7. The HELO command does what in SMTP?
Application - presentation and session
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)
Server message block - a request/response protocol
IP addressing - layer 3

8. A device that moves data between networks?
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)
Physical and MAC
Router

9. Converged Network
2. FTP requires one for commands and replies and one for actual file transfer
Proprietary
TCP - Transmission Control Protocol
A network that can carry voice - video - and data over the same network

10. Which is the best bet for network devices like gateways - switches - servers and printers--dynamic or static addressing?
TCP/UDP port 53
Layer 7 is the application layer and all its components: applications - services and protocols
Static
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)

11. What is a peer-to-peer network?
2. FTP requires one for commands and replies and one for actual file transfer
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)
The application layer - layer 7
Two or more computers connected through a network to share resources without a dedicated server involved.

12. Linux/UNIX uses _____________ for sharing resources with Microsoft networks?
Channel
Dynamic
.com or .net
SAMBA

13. Mnemonic for OSI layers
IP addressing - layer 3
All People Seem To Need Data Processing
UDP port 67
Get IP addresses

14. Which OSI layer is associated with IP addressing? 1 - 2 - 3 or 4?
Ipconfig/displaydns
Client/server
Protocol
3

15. Interweaving multiple data streams into one shared communication channel is?
Multiplexing
Simple Mail Transfer Protocol
Fault tolerance - Scalability - Quality of Service - Security
IP addressing - layer 3

16. Client and server processes are considered to be in what layer?
The application layer - layer 7
Virtual terminal session. A connection using Telnet is called a VTY session/connection
SAMBA
Proprietary

17. What is a server daemon?

18. The device that connects another device to the media?
A service or process that runs in the background to 'listen' to client requests
GET - POST - PUT
A NIC
Negative Acknowledgment message

19. ACK is what?
Acknowledgment message
80
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
Application - Presentation - Session - Transport - Network - Datalink - Physical

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

21. Which is associated with layer 4 of the OSI model--IP - TCP - FTP - or TFTP?
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
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)
Get IP addresses

22. Is a connection using Telnet
Two or more computers connected through a network to share resources without a dedicated server involved.
Client/server
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

23. What does SMTP stand for?
2. FTP requires one for commands and replies and one for actual file transfer
Protocol
Simple Mail Transfer Protocol
.com or .net

24. Give an example of a top level domain
.com or .net
Internet protocol
Segmentation
Acknowledgment message

25. What is the correct OSI top down layer order?
.com or .net
Virtual terminal session. A connection using Telnet is called a VTY session/connection
Router
Application - Presentation - Session - Transport - Network - Datalink - Physical

26. Is ebay P2P or client/server?
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 addressing - layer 3
Client/server
Simple Mail Transfer Protocol

27. Dividing data streams into smaller pieces suitable for transmission is called multiplexing - segmentation - encapsulation - or protocol?
Email. (Note: HTTP is technically a protocol - so that is incorrect)
The application layer - layer 7
Segmentation
2. FTP requires one for commands and replies and one for actual file transfer

28. Which layer is concerned with end to end message delivery?
Transport - layer 4
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
2. FTP requires one for commands and replies and one for actual file transfer

29. Typical port for DHCP?
UDP port 67
GET - POST - PUT
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
Channel

30. Three functions performed by Presentation Layer
Application - Transport - Internet - Network Access
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
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)
Two or more computers connected through a network to share resources without a dedicated server involved.

31. DNS is used to resolve internet names to ________________? (Hint: plural)
SMB
IP addresses
Service - protocol
Ipconfig/displaydns

32. A limited-use protocol owned by a company is?
Proprietary
25
.com or .net
Multiplexing

33. Generally - which is best for end-user devices? Dynamic (DHCP) addressing or static?
Application - Presentation - Session - Transport - Network - Datalink - Physical
Dynamic
UDP port 67
SMB

34. What does IP stand for?
20 and 21
Dynamic
Internet protocol
Virtual terminal session. A connection using Telnet is called a VTY session/connection

35. Typical port for DNS?
Layer 7 is the application layer and all its components: applications - services and protocols
TCP/UDP port 53
Fault tolerance - Scalability - Quality of Service - Security
IP addresses

36. Typical port for POP?
Physical and MAC
UDP port 67
All People Seem To Need Data Processing
UDP port 110

37. A ___________ provides the function for doing something - whereas a ___________ provides the rules the service uses
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)
Layer 7 is the application layer and all its components: applications - services and protocols
A service or process that runs in the background to 'listen' to client requests
Service - protocol

38. Typical port for SMTP?
20 and 21
25
Protocol
Static

39. HTTP is used to...

40. MX is what?
20 and 21
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
Segmentation

41. The three most common HTTP message types are?
GET - POST - PUT
Layer 7 is the application layer and all its components: applications - services and protocols
Ipconfig/displaydns
The application layer - layer 7

42. Which is the most popular network service? HTTP - FTP - Telnet or Email?
Email. (Note: HTTP is technically a protocol - so that is incorrect)
Internet protocol
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
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

43. Layers of TCP/IP Model
Application - Transport - Internet - Network Access
A network that can carry voice - video - and data over the same network
Server message block - a request/response protocol
Proprietary

44. The elements of communication include a message source - a message destination - and a _________ - or medium to transport the message.
Static
Channel
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network
TCP - Transmission Control Protocol

45. End vs Intermediary Device
A client request for data
Internet protocol
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network
Acknowledgment message

46. Linux uses SAMBA - which is a version of which file transfer protocol?
Multiplexing
A network that can carry voice - video - and data over the same network
20 and 21
SMB

47. What type of addressing is find at the OSI layer 2?
Physical and MAC
Internet protocol
Fault tolerance - Scalability - Quality of Service - Security
IP addresses

48. The TCP/IP application layer consists roughly of which three OSI layers?
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)
Application - presentation and session
.com or .net
Get IP addresses

49. FTP requires ___(a number)___________ connection(s) between client and server to successfully transfer files. 1 - 2 - 3 or 4?
2. FTP requires one for commands and replies and one for actual file transfer
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
23
GET - POST - PUT

50. DHCP enables clients on a network to...
UDP port 67
Get IP addresses
Transfer files that make WWW - Don't be fooled; DNS is for resolving names to IP addresses
23