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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. SMB stands for what?
IP addressing - layer 3
The application layer - layer 7
Server message block - a request/response protocol
80

2. Which is associated with the network layer? IP address - frames - MAC address or physical addressing?
UDP port 67
A NIC
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network
IP addressing - layer 3

3. MX is what?
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
Client/server
Router
25

4. Typical port for Telnet?
23
Fault tolerance - Scalability - Quality of Service - Security
Server message block - a request/response protocol
Simple Mail Transfer Protocol

5. Typical port for DHCP?
.com or .net
UDP port 67
Segmentation
TCP/UDP port 53

6. Is a connection using Telnet
Virtual terminal session. A connection using Telnet is called a VTY session/connection
Application - Transport - Internet - Network Access
Get IP addresses
UDP port 67

7. The application layer is which layer of the OSI model?
UDP port 67
Get IP addresses
Layer 7 is the application layer and all its components: applications - services and protocols
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)

8. NAK is?
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
Negative Acknowledgment message
TCP/UDP port 53
.com or .net

9. What type of addressing is find at the OSI layer 2?
Physical and MAC
Protocol
Fault tolerance - Scalability - Quality of Service - Security
Virtual terminal session. A connection using Telnet is called a VTY session/connection

10. What is a server daemon?

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11. Protocols perform what tasks?
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)
IP addresses
SMB
A service or process that runs in the background to 'listen' to client requests

12. ACK is what?
Email. (Note: HTTP is technically a protocol - so that is incorrect)
Application - Transport - Internet - Network Access
Transport - layer 4
Acknowledgment message

13. Which term describes a specific set of rules that determine the formatting of messages and the process of encapsulation used to forward data?
Get IP addresses
Ipconfig/displaydns
Protocol
GET - POST - PUT

14. What DOS command displays all the cached DNS entries on a WinXP/Win2k system?
IP addressing - layer 3
Fault tolerance - Scalability - Quality of Service - Security
TCP - Transmission Control Protocol
Ipconfig/displaydns

15. DHCP enables clients on a network to...
Get IP addresses
Transport - layer 4
Application - presentation and session
The application layer - layer 7

16. Three functions performed by Presentation Layer
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
2. FTP requires one for commands and replies and one for actual file transfer
Static
80

17. Typical port for DNS?
Virtual terminal session. A connection using Telnet is called a VTY session/connection
TCP/UDP port 53
Service - protocol
20 and 21

18. Give an example of a top level domain
.com or .net
Channel
Fault tolerance - Scalability - Quality of Service - Security
Multiplexing

19. What is a peer-to-peer network?
Fault tolerance - Scalability - Quality of Service - Security
Physical and MAC
Two or more computers connected through a network to share resources without a dedicated server involved.
Protocol

20. Which layer is concerned with end to end message delivery?
Router
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network
Application - Presentation - Session - Transport - Network - Datalink - Physical
Transport - layer 4

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
Ipconfig/displaydns
IP addressing - layer 3
Simple Mail Transfer Protocol

22. What is GET?
IP addressing - layer 3
A client request for data
A service or process that runs in the background to 'listen' to client requests
Application - Presentation - Session - Transport - Network - Datalink - Physical

23. Which is the best bet for network devices like gateways - switches - servers and printers--dynamic or static addressing?
SAMBA
Email. (Note: HTTP is technically a protocol - so that is incorrect)
Static
Transport - layer 4

24. Linux uses SAMBA - which is a version of which file transfer protocol?
A network that can carry voice - video - and data over the same network
Email. (Note: HTTP is technically a protocol - so that is incorrect)
The application layer - layer 7
SMB

25. Typical ports for FTP?
Protocol
A service or process that runs in the background to 'listen' to client requests
Transport - layer 4
20 and 21

26. Four characteristics that are addressed by network architecture design
TCP/UDP port 53
Protocol
Fault tolerance - Scalability - Quality of Service - Security
Transfer files that make WWW - Don't be fooled; DNS is for resolving names to IP addresses

27. Client and server processes are considered to be in what layer?
Negative Acknowledgment message
The application layer - layer 7
Physical and MAC
Simple Mail Transfer Protocol

28. Converged Network
Server message block - a request/response protocol
Acknowledgment message
A network that can carry voice - video - and data over the same network
80

29. Is ebay P2P or client/server?
Client/server
A NIC
3
Application - presentation and session

30. Which is associated with layer 4 of the OSI model--IP - TCP - FTP - or TFTP?
UDP port 67
TCP - Transmission Control Protocol
Physical and MAC
A network that can carry voice - video - and data over the same network

31. Which is the most popular network service? HTTP - FTP - Telnet or Email?
Email. (Note: HTTP is technically a protocol - so that is incorrect)
Fault tolerance - Scalability - Quality of Service - Security
Multiplexing
Transfer files that make WWW - Don't be fooled; DNS is for resolving names to IP addresses

32. The three most common HTTP message types are?
GET - POST - PUT
Multiplexing
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)
All People Seem To Need Data Processing

33. What layer is the top layer in both the OSI and TCP/IP models?
All People Seem To Need Data Processing
Client. Even though a device can be both - the device requesting is defined as client
Get IP addresses
The application layer - layer 7

34. Interweaving multiple data streams into one shared communication channel is?
Transport - layer 4
Multiplexing
Service - protocol
The application layer - layer 7

35. What does IP stand for?
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network
Internet protocol
A client request for data
Transport - layer 4

36. Linux/UNIX uses _____________ for sharing resources with Microsoft networks?
Get IP addresses
SAMBA
Transport - layer 4
Email. (Note: HTTP is technically a protocol - so that is incorrect)

37. Typical port for SMTP?
Channel
The application layer - layer 7
25
Transfer files that make WWW - Don't be fooled; DNS is for resolving names to IP addresses

38. Which OSI layer is associated with IP addressing? 1 - 2 - 3 or 4?
3
Channel
Application - Presentation - Session - Transport - Network - Datalink - Physical
Proprietary

39. Mnemonic for OSI layers
A client request for data
All People Seem To Need Data Processing
Virtual terminal session. A connection using Telnet is called a VTY session/connection
TCP - Transmission Control Protocol

40. What is the correct OSI top down layer order?
Application - Presentation - Session - Transport - Network - Datalink - Physical
IP addressing - layer 3
Application - presentation and session
Email. (Note: HTTP is technically a protocol - so that is incorrect)

41. Dividing data streams into smaller pieces suitable for transmission is called multiplexing - segmentation - encapsulation - or protocol?
Channel
Segmentation
TCP/UDP port 53
Dynamic

42. What does SMTP stand for?
A client request for data
UDP port 110
Simple Mail Transfer Protocol
.com or .net

43. Typical port for HTTP?
80
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
Application - presentation and session
Multiplexing

44. The HELO command does what in SMTP?
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)
.com or .net
A client request for data
Negative Acknowledgment message

45. Layers of TCP/IP 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
25
Application - Transport - Internet - Network Access
Multiplexing

46. Typical port for POP?
UDP port 110
Multiplexing
A client request for data
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)

47. What does MUA stand for?
Dynamic
Transport - layer 4
Router
Mail User Agent (i.e. - Thunderbird)

48. The TCP/IP application layer consists roughly of which three OSI layers?
Protocol
Application - presentation and session
23
Service - protocol

49. What two separate processes does the email server operate?
IP addresses
TCP - Transmission Control Protocol
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)
A service or process that runs in the background to 'listen' to client requests

50. DNS is used to resolve internet names to ________________? (Hint: plural)
23
SMB
Service - protocol
IP addresses