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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. DNS is used to resolve internet names to ________________? (Hint: plural)
SAMBA
UDP port 110
IP addresses
Internet protocol

2. The three most common HTTP message types are?
Dynamic
Email. (Note: HTTP is technically a protocol - so that is incorrect)
GET - POST - PUT
Application - Presentation - Session - Transport - Network - Datalink - Physical

3. The HELO command does what in SMTP?
Server message block - a request/response protocol
Mail User Agent (i.e. - Thunderbird)
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)
2. FTP requires one for commands and replies and one for actual file transfer

4. Typical port for HTTP?
Ipconfig/displaydns
A service or process that runs in the background to 'listen' to client requests
80
A client request for data

5. What layer is the top layer in both the OSI and TCP/IP models?
Service - protocol
The application layer - layer 7
A network that can carry voice - video - and data over the same network
Transfer files that make WWW - Don't be fooled; DNS is for resolving names to IP addresses

6. What does MUA stand for?
Client/server
Dynamic
The application layer - layer 7
Mail User Agent (i.e. - Thunderbird)

7. Linux uses SAMBA - which is a version of which file transfer protocol?
SMB
Server message block - a request/response protocol
A network that can carry voice - video - and data over the same network
TCP - Transmission Control Protocol

8. Typical port for POP?
UDP port 110
Segmentation
Static
Layer 7 is the application layer and all its components: applications - services and protocols

9. Typical ports for FTP?
Simple Mail Transfer Protocol
23
IP addressing - layer 3
20 and 21

10. A device that moves data between networks?
TCP - Transmission Control Protocol
IP addressing - layer 3
Layer 7 is the application layer and all its components: applications - services and protocols
Router

11. Dividing data streams into smaller pieces suitable for transmission is called multiplexing - segmentation - encapsulation - or protocol?
Segmentation
Server message block - a request/response protocol
Protocol
A client request for data

12. Which is associated with layer 4 of the OSI model--IP - TCP - FTP - or TFTP?
TCP - Transmission Control Protocol
UDP port 110
The application layer - layer 7
Acknowledgment message

13. What does SMTP stand for?
Client. Even though a device can be both - the device requesting is defined as client
Application - Transport - Internet - Network Access
Application - Presentation - Session - Transport - Network - Datalink - Physical
Simple Mail Transfer Protocol

14. Four characteristics that are addressed by network architecture design
Virtual terminal session. A connection using Telnet is called a VTY session/connection
Channel
Dynamic
Fault tolerance - Scalability - Quality of Service - Security

15. Generally - which is best for end-user devices? Dynamic (DHCP) addressing or static?
A NIC
Client/server
Dynamic
Protocol

16. What is GET?
A client request for data
2. FTP requires one for commands and replies and one for actual file transfer
3
Application - Presentation - Session - Transport - Network - Datalink - Physical

17. Client and server processes are considered to be in what layer?
Physical and MAC
The application layer - layer 7
All People Seem To Need Data Processing
Client/server

18. Which OSI layer is associated with IP addressing? 1 - 2 - 3 or 4?
Multiplexing
3
GET - POST - PUT
TCP/UDP port 53

19. End vs Intermediary Device
A client request for data
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
Get IP addresses

20. Which layer is concerned with end to end message delivery?
Server message block - a request/response protocol
TCP/UDP port 53
Transport - layer 4
Negative Acknowledgment message

21. Protocols perform what tasks?
The application layer - layer 7
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)
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)
Physical and MAC

22. Which is associated with the network layer? IP address - frames - MAC address or physical addressing?
The application layer - layer 7
25
Two or more computers connected through a network to share resources without a dedicated server involved.
IP addressing - layer 3

23. Which is the best bet for network devices like gateways - switches - servers and printers--dynamic or static addressing?
Static
Application - presentation and session
3
Physical and MAC

24. Which is the most popular network service? HTTP - FTP - Telnet or Email?
Channel
25
Acknowledgment message
Email. (Note: HTTP is technically a protocol - so that is incorrect)

25. HTTP is used to...

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26. Interweaving multiple data streams into one shared communication channel is?
Multiplexing
Two or more computers connected through a network to share resources without a dedicated server involved.
Ipconfig/displaydns
23

27. A limited-use protocol owned by a company is?
25
SMB
Proprietary
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)

28. What type of addressing is find at the OSI layer 2?
UDP port 67
Ipconfig/displaydns
Physical and MAC
Acknowledgment message

29. What two separate processes does the email server operate?
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)
UDP port 110
Service - protocol
Email. (Note: HTTP is technically a protocol - so that is incorrect)

30. What is the correct OSI top down layer order?
Server message block - a request/response protocol
TCP/UDP port 53
Application - Presentation - Session - Transport - Network - Datalink - Physical
Application - Transport - Internet - Network Access

31. The TCP/IP application layer consists roughly of which three OSI layers?
Application - presentation and session
A network that can carry voice - video - and data over the same network
A NIC
Ipconfig/displaydns

32. NAK is?
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)
Client/server
SMB
Negative Acknowledgment message

33. What DOS command displays all the cached DNS entries on a WinXP/Win2k system?
Ipconfig/displaydns
UDP port 110
IP addresses
Transport - layer 4

34. Typical port for DNS?
UDP port 67
Router
The application layer - layer 7
TCP/UDP port 53

35. What does IP stand for?
Mail User Agent (i.e. - Thunderbird)
Internet protocol
Static
.com or .net

36. 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
A network that can carry voice - video - and data over the same network
All People Seem To Need Data Processing
TCP/UDP port 53

37. Three functions performed by Presentation Layer
A NIC
Dynamic
2. FTP requires one for commands and replies and one for actual file transfer
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

38. Is ebay P2P or client/server?
Application - Transport - Internet - Network Access
3
IP addresses
Client/server

39. DHCP enables clients on a network to...
Client/server
Get IP addresses
3
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)

40. Mnemonic for OSI layers
All People Seem To Need Data Processing
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
Simple Mail Transfer Protocol
Dynamic

41. The elements of communication include a message source - a message destination - and a _________ - or medium to transport the message.
Negative Acknowledgment message
Channel
20 and 21
Transport - layer 4

42. What is a server daemon?

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43. Typical port for Telnet?
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
Static
23

44. Typical port for SMTP?
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)
Negative Acknowledgment message
25
Physical and MAC

45. SMB stands for what?
Physical and MAC
All People Seem To Need Data Processing
Server message block - a request/response protocol
Acknowledgment message

46. MX is what?
Get IP addresses
Server message block - a request/response protocol
Application - Presentation - Session - Transport - Network - Datalink - Physical
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain

47. What is a peer-to-peer network?
Two or more computers connected through a network to share resources without a dedicated server involved.
A network that can carry voice - video - and data over the same network
23
Proprietary

48. Is a connection using Telnet
3
Server message block - a request/response protocol
Negative Acknowledgment message
Virtual terminal session. A connection using Telnet is called a VTY session/connection

49. Typical port for DHCP?
SAMBA
23
UDP port 67
Segmentation

50. A ___________ provides the function for doing something - whereas a ___________ provides the rules the service uses
Service - protocol
Multiplexing
UDP port 110
A NIC