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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?
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
Protocol
Acknowledgment message

2. The elements of communication include a message source - a message destination - and a _________ - or medium to transport the message.
Transfer files that make WWW - Don't be fooled; DNS is for resolving names to IP addresses
Simple Mail Transfer Protocol
Channel
Physical and MAC

3. HTTP is used to...

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4. ACK is what?
23
SMB
Acknowledgment message
TCP/UDP port 53

5. Four characteristics that are addressed by network architecture design
Multiplexing
Fault tolerance - Scalability - Quality of Service - Security
UDP port 67
Segmentation

6. Typical port for HTTP?
80
Virtual terminal session. A connection using Telnet is called a VTY session/connection
The application layer - layer 7
Layer 7 is the application layer and all its components: applications - services and protocols

7. What layer is the top layer in both the OSI and TCP/IP models?
The application layer - layer 7
Segmentation
A client request for data
Dynamic

8. A limited-use protocol owned by a company is?
A service or process that runs in the background to 'listen' to client requests
80
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network
Proprietary

9. In the client/server model - the device requesting the service is referred to as the ...?
Service - protocol
Virtual terminal session. A connection using Telnet is called a VTY session/connection
Client. Even though a device can be both - the device requesting is defined as client
IP addressing - layer 3

10. Which is associated with the network layer? IP address - frames - MAC address or physical addressing?
Static
80
IP addressing - layer 3
23

11. The device that connects another device to the media?
All People Seem To Need Data Processing
A NIC
TCP/UDP port 53
Ipconfig/displaydns

12. What two separate processes does the email server operate?
Email. (Note: HTTP is technically a protocol - so that is incorrect)
A NIC
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)
TCP/UDP port 53

13. Client and server processes are considered to be in what layer?
Router
2. FTP requires one for commands and replies and one for actual file transfer
Physical and MAC
The application layer - layer 7

14. Linux uses SAMBA - which is a version of which file transfer protocol?
80
A network that can carry voice - video - and data over the same network
Acknowledgment message
SMB

15. What is a server daemon?

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16. Which layer is concerned with end to end message delivery?
Physical and MAC
Transport - layer 4
A client request for data
Channel

17. A device that moves data between networks?
Multiplexing
Router
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)

18. What does MUA stand for?
Mail User Agent (i.e. - Thunderbird)
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
Segmentation
Acknowledgment message

19. Which OSI layer is associated with IP addressing? 1 - 2 - 3 or 4?
3
Simple Mail Transfer Protocol
20 and 21
Email. (Note: HTTP is technically a protocol - so that is incorrect)

20. The TCP/IP application layer consists roughly of which three OSI layers?
A NIC
23
Mail User Agent (i.e. - Thunderbird)
Application - presentation and session

21. Dividing data streams into smaller pieces suitable for transmission is called multiplexing - segmentation - encapsulation - or protocol?
The application layer - layer 7
Segmentation
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
Service - protocol

22. End vs Intermediary Device
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network
Client. Even though a device can be both - the device requesting is defined as client
Transport - layer 4
Client/server

23. Typical port for DHCP?
UDP port 67
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.
Client. Even though a device can be both - the device requesting is defined as client

24. FTP requires ___(a number)___________ connection(s) between client and server to successfully transfer files. 1 - 2 - 3 or 4?
A network that can carry voice - video - and data over the same network
23
2. FTP requires one for commands and replies and one for actual file transfer
IP addresses

25. Interweaving multiple data streams into one shared communication channel is?
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
Client/server
A service or process that runs in the background to 'listen' to client requests
Multiplexing

26. What type of addressing is find at the OSI layer 2?
Server message block - a request/response protocol
The application layer - layer 7
Channel
Physical and MAC

27. Linux/UNIX uses _____________ for sharing resources with Microsoft networks?
SAMBA
2. FTP requires one for commands and replies and one for actual file transfer
Simple Mail Transfer Protocol
Transport - layer 4

28. Generally - which is best for end-user devices? Dynamic (DHCP) addressing or 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
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network
Dynamic
Get IP addresses

29. Mnemonic for OSI layers
All People Seem To Need Data Processing
A network that can carry voice - video - and data over the same network
UDP port 67
Segmentation

30. Which is the best bet for network devices like gateways - switches - servers and printers--dynamic or static addressing?
SMB
25
Static
Fault tolerance - Scalability - Quality of Service - Security

31. Three functions performed by Presentation Layer
25
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
Multiplexing
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)

32. What DOS command displays all the cached DNS entries on a WinXP/Win2k system?
Application - Presentation - Session - Transport - Network - Datalink - Physical
Channel
Ipconfig/displaydns
UDP port 110

33. What does SMTP stand for?
Service - protocol
Two or more computers connected through a network to share resources without a dedicated server involved.
Simple Mail Transfer Protocol
All People Seem To Need Data Processing

34. Typical port for SMTP?
Mail User Agent (i.e. - Thunderbird)
25
Application - Presentation - Session - Transport - Network - Datalink - Physical
Application - Transport - Internet - Network Access

35. What does IP stand for?
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)
Negative Acknowledgment message
Internet protocol
3

36. Is ebay P2P or client/server?
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
Client/server
Dynamic
TCP - Transmission Control Protocol

37. The HELO command does what in SMTP?
Ipconfig/displaydns
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)
The application layer - layer 7
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain

38. Converged Network
Static
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
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)

39. Typical port for POP?
Application - Presentation - Session - Transport - Network - Datalink - Physical
TCP/UDP port 53
Transfer files that make WWW - Don't be fooled; DNS is for resolving names to IP addresses
UDP port 110

40. Typical port for Telnet?
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)
23
Multiplexing
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network

41. Is a connection using Telnet
Virtual terminal session. A connection using Telnet is called a VTY session/connection
A NIC
Ipconfig/displaydns
Fault tolerance - Scalability - Quality of Service - Security

42. Protocols perform what tasks?
A NIC
A service or process that runs in the background to 'listen' to client requests
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)
23

43. Which is the most popular network service? HTTP - FTP - Telnet or Email?
GET - POST - PUT
Two or more computers connected through a network to share resources without a dedicated server involved.
23
Email. (Note: HTTP is technically a protocol - so that is incorrect)

44. Layers of TCP/IP Model
UDP port 67
The application layer - layer 7
Segmentation
Application - Transport - Internet - Network Access

45. What is GET?
A client request for data
Physical and MAC
Transport - layer 4
UDP port 67

46. Give an example of a top level domain
.com or .net
Service - protocol
Transfer files that make WWW - Don't be fooled; DNS is for resolving names to IP addresses
Get IP addresses

47. SMB stands for what?
20 and 21
Server message block - a request/response protocol
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)
Get IP addresses

48. What is the correct OSI top down layer order?
IP addresses
GET - POST - PUT
Negative Acknowledgment message
Application - Presentation - Session - Transport - Network - Datalink - Physical

49. NAK is?
Dynamic
.com or .net
TCP - Transmission Control Protocol
Negative Acknowledgment message

50. A ___________ provides the function for doing something - whereas a ___________ provides the rules the service uses
IP addresses
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network
Service - protocol
Physical and MAC