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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
Two or more computers connected through a network to share resources without a dedicated server involved.
Simple Mail Transfer Protocol
Router

2. NAK is?
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
A network that can carry voice - video - and data over the same network
Negative Acknowledgment message

3. What does MUA stand for?
80
TCP - Transmission Control Protocol
Mail User Agent (i.e. - Thunderbird)
A service or process that runs in the background to 'listen' to client requests

4. Linux uses SAMBA - which is a version of which file transfer protocol?
Two or more computers connected through a network to share resources without a dedicated server involved.
SMB
GET - POST - PUT
3

5. A device that moves data between networks?
Mail User Agent (i.e. - Thunderbird)
2. FTP requires one for commands and replies and one for actual file transfer
All People Seem To Need Data Processing
Router

6. The application layer is which layer of the OSI model?
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/UDP port 53
Layer 7 is the application layer and all its components: applications - services and protocols
.com or .net

7. What is a server daemon?

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8. Typical port for Telnet?
23
20 and 21
All People Seem To Need Data Processing
TCP - Transmission Control Protocol

9. Linux/UNIX uses _____________ for sharing resources with Microsoft networks?
UDP port 67
Router
SAMBA
Client. Even though a device can be both - the device requesting is defined as client

10. Give an example of a top level domain
.com or .net
Negative Acknowledgment message
Two or more computers connected through a network to share resources without a dedicated server involved.
IP addresses

11. The elements of communication include a message source - a message destination - and a _________ - or medium to transport the message.
Channel
A client request for data
UDP port 110
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)

12. Mnemonic for OSI layers
SAMBA
All People Seem To Need Data Processing
Segmentation
Negative Acknowledgment message

13. SMB stands for what?
Server message block - a request/response protocol
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network
GET - POST - PUT
Virtual terminal session. A connection using Telnet is called a VTY session/connection

14. Typical ports for FTP?
Multiplexing
Ipconfig/displaydns
SMB
20 and 21

15. MX is what?
Client. Even though a device can be both - the device requesting is defined as client
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
Two or more computers connected through a network to share resources without a dedicated server involved.
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

16. The three most common HTTP message types are?
UDP port 67
A network that can carry voice - video - and data over the same network
Internet protocol
GET - POST - PUT

17. ACK is what?
Fault tolerance - Scalability - Quality of Service - Security
Get IP addresses
Physical and MAC
Acknowledgment message

18. HTTP is used to...

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19. Which is associated with the network layer? IP address - frames - MAC address or physical addressing?
Internet protocol
IP addressing - layer 3
Segmentation
Channel

20. 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
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)
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
The application layer - layer 7

21. What type of addressing is find at the OSI layer 2?
3
Physical and MAC
Transport - layer 4
Service - protocol

22. DNS is used to resolve internet names to ________________? (Hint: plural)
IP addresses
Transfer files that make WWW - Don't be fooled; DNS is for resolving names to IP addresses
20 and 21
A service or process that runs in the background to 'listen' to client requests

23. Which is the most popular network service? HTTP - FTP - Telnet or Email?
Proprietary
80
Acknowledgment message
Email. (Note: HTTP is technically a protocol - so that is incorrect)

24. Protocols perform what tasks?
25
A client request for data
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)
SAMBA

25. Typical port for POP?
UDP port 110
Application - presentation and session
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)
3

26. Is a connection using Telnet
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
Application - Presentation - Session - Transport - Network - Datalink - Physical
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)

27. The TCP/IP application layer consists roughly of which three OSI layers?
IP addressing - layer 3
Multiplexing
Application - presentation and session
.com or .net

28. Converged Network
A network that can carry voice - video - and data over the same network
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
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain

29. Which is the best bet for network devices like gateways - switches - servers and printers--dynamic or static addressing?
Negative Acknowledgment message
All People Seem To Need Data Processing
Static
Segmentation

30. 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
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)
Service - protocol
Fault tolerance - Scalability - Quality of Service - Security

31. Typical port for DNS?
Physical and MAC
TCP/UDP port 53
Proprietary
Service - protocol

32. Typical port for SMTP?
Ipconfig/displaydns
Transfer files that make WWW - Don't be fooled; DNS is for resolving names to IP addresses
A network that can carry voice - video - and data over the same network
25

33. The HELO command does what in SMTP?
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)
Static
Client. Even though a device can be both - the device requesting is defined as client
Internet protocol

34. DHCP enables clients on a network to...
Ipconfig/displaydns
20 and 21
Get IP addresses
Client/server

35. What two separate processes does the email server operate?
A service or process that runs in the background to 'listen' to client requests
All People Seem To Need Data Processing
A NIC
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)

36. The device that connects another device to the media?
Channel
Ipconfig/displaydns
A NIC
Fault tolerance - Scalability - Quality of Service - Security

37. Generally - which is best for end-user devices? Dynamic (DHCP) addressing or static?
Application - presentation and session
Protocol
Simple Mail Transfer Protocol
Dynamic

38. What DOS command displays all the cached DNS entries on a WinXP/Win2k system?
Ipconfig/displaydns
Service - protocol
Application - Presentation - Session - Transport - Network - Datalink - Physical
Protocol

39. Client and server processes are considered to be in what layer?
The application layer - layer 7
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)
Physical and MAC
Application - Transport - Internet - Network Access

40. What is the correct OSI top down layer order?
Segmentation
Server message block - a request/response protocol
80
Application - Presentation - Session - Transport - Network - Datalink - Physical

41. Which OSI layer is associated with IP addressing? 1 - 2 - 3 or 4?
SAMBA
Application - presentation and session
Protocol
3

42. Which layer is concerned with end to end message delivery?
Transport - layer 4
The application layer - layer 7
Fault tolerance - Scalability - Quality of Service - Security
Service - protocol

43. Typical port for DHCP?
2. FTP requires one for commands and replies and one for actual file transfer
The application layer - layer 7
Transport - layer 4
UDP port 67

44. Which term describes a specific set of rules that determine the formatting of messages and the process of encapsulation used to forward data?
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network
Internet protocol
23
Protocol

45. Dividing data streams into smaller pieces suitable for transmission is called multiplexing - segmentation - encapsulation - or protocol?
Segmentation
Proprietary
Client/server
UDP port 67

46. What does IP stand for?
A network that can carry voice - video - and data over the same network
Transport - layer 4
Internet protocol
GET - POST - PUT

47. Which is associated with layer 4 of the OSI model--IP - TCP - FTP - or TFTP?
TCP - Transmission Control Protocol
Client/server
Multiplexing
Dynamic

48. A limited-use protocol owned by a company is?
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)
A service or process that runs in the background to 'listen' to client requests
Proprietary
Multiplexing

49. Four characteristics that are addressed by network architecture design
Router
IP addressing - layer 3
Fault tolerance - Scalability - Quality of Service - Security
Server message block - a request/response protocol

50. What is GET?
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
Client. Even though a device can be both - the device requesting is defined as client
UDP port 110
A client request for data