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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 layer is concerned with end to end message delivery?
UDP port 110
.com or .net
IP addresses
Transport - layer 4

2. What layer is the top layer in both the OSI and TCP/IP models?
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
The application layer - layer 7
25
Protocol

3. Typical port for SMTP?
All People Seem To Need Data Processing
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
25

4. A device that moves data between networks?
Router
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
2. FTP requires one for commands and replies and one for actual file transfer
Fault tolerance - Scalability - Quality of Service - Security

5. What type of addressing is find at the OSI layer 2?
25
Physical and MAC
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
Simple Mail Transfer Protocol

6. Mnemonic for OSI layers
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network
23
Static
All People Seem To Need Data Processing

7. Client and server processes are considered to be in what layer?
Application - Transport - Internet - Network Access
A client request for data
Ipconfig/displaydns
The application layer - layer 7

8. Three functions performed by Presentation Layer
UDP port 67
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network
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
A client request for data

9. The HELO command does what in SMTP?
A service or process that runs in the background to 'listen' to client requests
IP addressing - layer 3
2. FTP requires one for commands and replies and one for actual file transfer
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)

10. A ___________ provides the function for doing something - whereas a ___________ provides the rules the service uses
Service - protocol
Proprietary
TCP/UDP port 53
Ipconfig/displaydns

11. End vs Intermediary Device
Application - Transport - Internet - Network Access
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network
Client/server
IP addressing - layer 3

12. Interweaving multiple data streams into one shared communication channel is?
The application layer - layer 7
Multiplexing
SAMBA
A service or process that runs in the background to 'listen' to client requests

13. What is a peer-to-peer network?
The application layer - layer 7
SMB
A NIC
Two or more computers connected through a network to share resources without a dedicated server involved.

14. Give an example of a top level domain
Simple Mail Transfer Protocol
.com or .net
2. FTP requires one for commands and replies and one for actual file transfer
Dynamic

15. DNS is used to resolve internet names to ________________? (Hint: plural)
IP addresses
Internet protocol
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
Service - protocol

16. What does IP stand for?
Internet protocol
GET - POST - PUT
UDP port 67
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)

17. What two separate processes does the email server operate?
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)
Multiplexing
The application layer - layer 7
25

18. Which is the most popular network service? HTTP - FTP - Telnet or Email?
Email. (Note: HTTP is technically a protocol - so that is incorrect)
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
.com or .net
IP addressing - layer 3

19. What does MUA stand for?
Channel
Transport - layer 4
Mail User Agent (i.e. - Thunderbird)
Ipconfig/displaydns

20. Which term describes a specific set of rules that determine the formatting of messages and the process of encapsulation used to forward data?
25
SAMBA
Protocol
Client. Even though a device can be both - the device requesting is defined as client

21. 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
Application - Transport - Internet - Network Access
Email. (Note: HTTP is technically a protocol - so that is incorrect)
.com or .net

22. A limited-use protocol owned by a company is?
Multiplexing
Two or more computers connected through a network to share resources without a dedicated server involved.
Proprietary
Client/server

23. The TCP/IP application layer consists roughly of which three OSI layers?
2. FTP requires one for commands and replies and one for actual file transfer
Multiplexing
Simple Mail Transfer Protocol
Application - presentation and session

24. Layers of TCP/IP Model
Virtual terminal session. A connection using Telnet is called a VTY session/connection
Application - Transport - Internet - Network Access
23
2. FTP requires one for commands and replies and one for actual file transfer

25. Linux/UNIX uses _____________ for sharing resources with Microsoft networks?
The application layer - layer 7
Two or more computers connected through a network to share resources without a dedicated server involved.
SAMBA
Service - protocol

26. Is ebay P2P or client/server?
Client/server
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
Internet protocol
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)

27. NAK is?
80
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
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)

28. What DOS command displays all the cached DNS entries on a WinXP/Win2k system?
IP addresses
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)
Ipconfig/displaydns

29. MX is what?
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)
Layer 7 is the application layer and all its components: applications - services and protocols
23

30. Is a connection using Telnet
Proprietary
A service or process that runs in the background to 'listen' to client requests
Transfer files that make WWW - Don't be fooled; DNS is for resolving names to IP addresses
Virtual terminal session. A connection using Telnet is called a VTY session/connection

31. Generally - which is best for end-user devices? Dynamic (DHCP) addressing or static?
Dynamic
3
Fault tolerance - Scalability - Quality of Service - Security
Static

32. Four characteristics that are addressed by network architecture design
GET - POST - PUT
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
80

33. The device that connects another device to the media?
A NIC
25
Client. Even though a device can be both - the device requesting is defined as client
80

34. What does SMTP stand for?
Segmentation
The application layer - layer 7
Multiplexing
Simple Mail Transfer Protocol

35. In the client/server model - the device requesting the service is referred to as the ...?
Client. Even though a device can be both - the device requesting is defined as client
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)
A network that can carry voice - video - and data over the same network
Transport - layer 4

36. Typical port for POP?
UDP port 110
Client/server
2. FTP requires one for commands and replies and one for actual file transfer
Physical and MAC

37. The three most common HTTP message types are?
GET - POST - PUT
23
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)
Ipconfig/displaydns

38. What is the correct OSI top down layer order?
Application - Presentation - Session - Transport - Network - Datalink - Physical
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)
Fault tolerance - Scalability - Quality of Service - Security

39. Typical port for DHCP?
Client. Even though a device can be both - the device requesting is defined as client
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)
UDP port 67
Server message block - a request/response protocol

40. Which is associated with layer 4 of the OSI model--IP - TCP - FTP - or TFTP?
Channel
Service - protocol
Static
TCP - Transmission Control Protocol

41. SMB stands for what?
Ipconfig/displaydns
Application - Transport - Internet - Network Access
Server message block - a request/response protocol
UDP port 110

42. What is GET?
A client request for data
3
Transfer files that make WWW - Don't be fooled; DNS is for resolving names to IP addresses
A NIC

43. Typical ports for FTP?
Transfer files that make WWW - Don't be fooled; DNS is for resolving names to IP addresses
TCP/UDP port 53
20 and 21
2. FTP requires one for commands and replies and one for actual file transfer

44. The elements of communication include a message source - a message destination - and a _________ - or medium to transport the message.
Channel
80
IP addressing - layer 3
TCP - Transmission Control Protocol

45. 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)
Segmentation
A service or process that runs in the background to 'listen' to client requests
Layer 7 is the application layer and all its components: applications - services and protocols

46. HTTP is used to...

47. ACK is what?
Acknowledgment message
UDP port 110
Application - Presentation - Session - Transport - Network - Datalink - Physical
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)

48. Which is associated with the network layer? IP address - frames - MAC address or physical addressing?
TCP/UDP port 53
GET - POST - PUT
IP addresses
IP addressing - layer 3

49. DHCP enables clients on a network to...
Channel
SAMBA
Transfer files that make WWW - Don't be fooled; DNS is for resolving names to IP addresses
Get IP addresses

50. What is a server daemon?