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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?
Fault tolerance - Scalability - Quality of Service - Security
Layer 7 is the application layer and all its components: applications - services and protocols
Transfer files that make WWW - Don't be fooled; DNS is for resolving names to IP addresses
Internet protocol

2. What layer is the top layer in both the OSI and TCP/IP models?
Dynamic
The application layer - layer 7
A service or process that runs in the background to 'listen' to client requests
GET - POST - PUT

3. Linux/UNIX uses _____________ for sharing resources with Microsoft networks?
20 and 21
Segmentation
SAMBA
The application layer - layer 7

4. Which is the best bet for network devices like gateways - switches - servers and printers--dynamic or static addressing?
Application - presentation and session
Static
Channel
25

5. Typical port for SMTP?
Application - presentation and session
25
23
TCP/UDP port 53

6. Typical port for HTTP?
Application - Transport - Internet - Network Access
80
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network
Internet protocol

7. What DOS command displays all the cached DNS entries on a WinXP/Win2k system?
Layer 7 is the application layer and all its components: applications - services and protocols
Router
TCP/UDP port 53
Ipconfig/displaydns

8. Mnemonic for OSI layers
IP addressing - layer 3
All People Seem To Need Data Processing
A client request for data
80

9. Is a connection using Telnet
Virtual terminal session. A connection using Telnet is called a VTY session/connection
.com or .net
Get IP addresses
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain

10. HTTP is used to...

11. Layers of TCP/IP Model
Application - Transport - Internet - Network Access
A service or process that runs in the background to 'listen' to client requests
Channel
Static

12. Client and server processes are considered to be in what layer?
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
TCP - Transmission Control Protocol
Internet protocol

13. Converged Network
Transport - layer 4
Application - Presentation - Session - Transport - Network - Datalink - Physical
A network that can carry voice - video - and data over the same network
All People Seem To Need Data Processing

14. A device that moves data between networks?
Layer 7 is the application layer and all its components: applications - services and protocols
25
80
Router

15. The three most common HTTP message types are?
TCP/UDP port 53
All People Seem To Need Data Processing
80
GET - POST - PUT

16. Protocols perform what tasks?
UDP port 110
Virtual terminal session. A connection using Telnet is called a VTY session/connection
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)

17. What is a peer-to-peer network?
UDP port 110
Internet protocol
Two or more computers connected through a network to share resources without a dedicated server involved.
Router

18. Typical port for POP?
UDP port 110
TCP - Transmission Control Protocol
TCP/UDP port 53
All People Seem To Need Data Processing

19. 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
Channel
The application layer - layer 7
20 and 21

20. End vs Intermediary Device
Transport - layer 4
Channel
Static
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network

21. The device that connects another device to the media?
A NIC
Internet 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)
Fault tolerance - Scalability - Quality of Service - Security

22. Generally - which is best for end-user devices? Dynamic (DHCP) addressing or static?
Dynamic
A network that can carry voice - video - and data over the same network
Email. (Note: HTTP is technically a protocol - so that is incorrect)
UDP port 110

23. Which layer is concerned with end to end message delivery?
IP addressing - layer 3
Proprietary
Transport - layer 4
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)

24. MX is what?
20 and 21
GET - POST - PUT
Layer 7 is the application layer and all its components: applications - services and protocols
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain

25. In the client/server model - the device requesting the service is referred to as the ...?
Dynamic
Multiplexing
Client. Even though a device can be both - the device requesting is defined as client
IP addressing - layer 3

26. SMB stands for what?
Static
Ipconfig/displaydns
Server message block - a request/response protocol
80

27. Dividing data streams into smaller pieces suitable for transmission is called multiplexing - segmentation - encapsulation - or protocol?
Segmentation
SMB
Router
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

28. Typical port for DHCP?
.com or .net
UDP port 67
Email. (Note: HTTP is technically a protocol - so that is incorrect)
3

29. ACK is what?
Application - Presentation - Session - Transport - Network - Datalink - Physical
Acknowledgment message
Application - Transport - Internet - Network Access
Client/server

30. What does SMTP stand for?
Channel
Simple Mail Transfer Protocol
Physical and MAC
The application layer - layer 7

31. A limited-use protocol owned by a company is?
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
Proprietary
Virtual terminal session. A connection using Telnet is called a VTY session/connection

32. A ___________ provides the function for doing something - whereas a ___________ provides the rules the service uses
TCP/UDP port 53
SMB
Service - protocol
IP addresses

33. Typical port for DNS?
Two or more computers connected through a network to share resources without a dedicated server involved.
3
.com or .net
TCP/UDP port 53

34. DHCP enables clients on a network to...
Multiplexing
Get IP addresses
The application layer - layer 7
Transport - layer 4

35. Which term describes a specific set of rules that determine the formatting of messages and the process of encapsulation used to forward data?
Segmentation
Protocol
Transport - layer 4
SMB

36. Which is associated with the network layer? IP address - frames - MAC address or physical addressing?
IP addressing - layer 3
Get IP addresses
A client request for data
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)

37. Is ebay P2P or client/server?
Fault tolerance - Scalability - Quality of Service - Security
Acknowledgment message
Client/server
Get IP addresses

38. The HELO command does what in SMTP?
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)
Router
Acknowledgment message
IP addresses

39. What two separate processes does the email server operate?
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)
80
Fault tolerance - Scalability - Quality of Service - Security
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

40. Give an example of a top level domain
.com or .net
Physical and MAC
A NIC
The application layer - layer 7

41. What is GET?
Channel
A service or process that runs in the background to 'listen' to client requests
A client request for data
Router

42. Interweaving multiple data streams into one shared communication channel is?
80
Multiplexing
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
Static

43. Which is the most popular network service? HTTP - FTP - Telnet or Email?
Server message block - a request/response protocol
Email. (Note: HTTP is technically a protocol - so that is incorrect)
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)
Get IP addresses

44. The TCP/IP application layer consists roughly of which three OSI layers?
Acknowledgment message
Physical and MAC
.com or .net
Application - presentation and session

45. What type of addressing is find at the OSI layer 2?
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network
Server message block - a request/response protocol
Physical and MAC
Multiplexing

46. Linux uses SAMBA - which is a version of which file transfer protocol?
SMB
Simple Mail Transfer Protocol
Fault tolerance - Scalability - Quality of Service - Security
IP addressing - layer 3

47. Which is associated with layer 4 of the OSI model--IP - TCP - FTP - or TFTP?
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
20 and 21
Internet protocol

48. What is the correct OSI top down layer order?
UDP port 110
Application - Presentation - Session - Transport - Network - Datalink - Physical
Channel
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain

49. Typical ports for FTP?
Multiplexing
Acknowledgment message
SMB
20 and 21

50. Four characteristics that are addressed by network architecture design
Fault tolerance - Scalability - Quality of Service - Security
TCP - Transmission Control Protocol
All People Seem To Need Data Processing
Static