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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?
A service or process that runs in the background to 'listen' to client requests
TCP - Transmission Control Protocol
The application layer - layer 7
Virtual terminal session. A connection using Telnet is called a VTY session/connection

2. FTP requires ___(a number)___________ connection(s) between client and server to successfully transfer files. 1 - 2 - 3 or 4?
Dynamic
Proprietary
TCP/UDP port 53
2. FTP requires one for commands and replies and one for actual file transfer

3. In the client/server model - the device requesting the service is referred to as the ...?
.com or .net
Client. Even though a device can be both - the device requesting is defined as client
Ipconfig/displaydns
A service or process that runs in the background to 'listen' to client requests

4. A ___________ provides the function for doing something - whereas a ___________ provides the rules the service uses
Segmentation
Service - protocol
.com or .net
IP addressing - layer 3

5. What type of addressing is find at the OSI layer 2?
Application - Presentation - Session - Transport - Network - Datalink - Physical
Static
Physical and MAC
Protocol

6. What does SMTP stand for?
80
UDP port 110
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)
Simple Mail Transfer Protocol

7. What is a server daemon?

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8. Which OSI layer is associated with IP addressing? 1 - 2 - 3 or 4?
Proprietary
The application layer - layer 7
3
Internet protocol

9. Typical port for SMTP?
Two or more computers connected through a network to share resources without a dedicated server involved.
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)
All People Seem To Need Data Processing
25

10. What DOS command displays all the cached DNS entries on a WinXP/Win2k system?
TCP/UDP port 53
Service - protocol
Internet protocol
Ipconfig/displaydns

11. Dividing data streams into smaller pieces suitable for transmission is called multiplexing - segmentation - encapsulation - or protocol?
Application - Transport - Internet - Network Access
Segmentation
Two or more computers connected through a network to share resources without a dedicated server involved.
Simple Mail Transfer Protocol

12. HTTP is used to...

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13. ACK is what?
Simple Mail Transfer Protocol
Multiplexing
IP addressing - layer 3
Acknowledgment message

14. NAK is?
Service - protocol
Negative Acknowledgment message
Transport - layer 4
Server message block - a request/response protocol

15. A limited-use protocol owned by a company is?
Proprietary
.com or .net
Simple Mail Transfer Protocol
Channel

16. DNS is used to resolve internet names to ________________? (Hint: plural)
IP addresses
All People Seem To Need Data Processing
Mail User Agent (i.e. - Thunderbird)
TCP - Transmission Control Protocol

17. Which is associated with layer 4 of the OSI model--IP - TCP - FTP - or TFTP?
20 and 21
TCP - Transmission Control Protocol
Static
All People Seem To Need Data Processing

18. Typical port for HTTP?
Simple Mail Transfer Protocol
A NIC
A service or process that runs in the background to 'listen' to client requests
80

19. What does IP stand for?
Internet protocol
A client request for data
Simple Mail Transfer Protocol
Application - Transport - Internet - Network Access

20. 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
Proprietary
Router
Dynamic

21. Which term describes a specific set of rules that determine the formatting of messages and the process of encapsulation used to forward data?
IP addresses
Protocol
2. FTP requires one for commands and replies and one for actual file transfer
Application - Transport - Internet - Network Access

22. MX is what?
UDP port 110
Transport - layer 4
Client/server
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain

23. Which layer is concerned with end to end message delivery?
The application layer - layer 7
Transport - layer 4
UDP port 110
Service - protocol

24. Which is associated with the network layer? IP address - frames - MAC address or physical addressing?
IP addressing - layer 3
Dynamic
Multiplexing
Router

25. Mnemonic for OSI layers
.com or .net
Layer 7 is the application layer and all its components: applications - services and protocols
Get IP addresses
All People Seem To Need Data Processing

26. What is GET?
A client request for data
Internet protocol
Application - presentation and session
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

27. Is a connection using Telnet
Simple Mail Transfer Protocol
Fault tolerance - Scalability - Quality of Service - Security
A service or process that runs in the background to 'listen' to client requests
Virtual terminal session. A connection using Telnet is called a VTY session/connection

28. SMB stands for what?
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
Layer 7 is the application layer and all its components: applications - services and protocols
Server message block - a request/response protocol
A service or process that runs in the background to 'listen' to client requests

29. Which is the most popular network service? HTTP - FTP - Telnet or Email?
UDP port 67
80
Email. (Note: HTTP is technically a protocol - so that is incorrect)
Static

30. Give an example of a top level domain
Client/server
Application - presentation and session
.com or .net
Client. Even though a device can be both - the device requesting is defined as client

31. Interweaving multiple data streams into one shared communication channel is?
Multiplexing
IP addressing - layer 3
TCP - Transmission Control Protocol
A client request for data

32. Linux/UNIX uses _____________ for sharing resources with Microsoft networks?
Proprietary
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)
SAMBA
23

33. The TCP/IP application layer consists roughly of which three OSI layers?
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)
25
A client request for data
Application - presentation and session

34. The application layer is which layer of the OSI model?
Layer 7 is the application layer and all its components: applications - services and protocols
IP addresses
Fault tolerance - Scalability - Quality of Service - Security
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network

35. Converged Network
Protocol
A network that can carry voice - video - and data over the same network
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

36. The device that connects another device to the media?
23
UDP port 67
A NIC
UDP port 110

37. Generally - which is best for end-user devices? Dynamic (DHCP) addressing or static?
Dynamic
A NIC
Ipconfig/displaydns
25

38. Which is the best bet for network devices like gateways - switches - servers and printers--dynamic or static addressing?
IP addressing - layer 3
25
Static
80

39. Typical port for Telnet?
All People Seem To Need Data Processing
Client. Even though a device can be both - the device requesting is defined as client
23
SAMBA

40. The three most common HTTP message types are?
GET - POST - PUT
Client/server
Two or more computers connected through a network to share resources without a dedicated server involved.
Transport - layer 4

41. Layers of TCP/IP Model
Application - Transport - Internet - Network Access
Service - protocol
A service or process that runs in the background to 'listen' to client requests
Fault tolerance - Scalability - Quality of Service - Security

42. Typical ports for FTP?
UDP port 110
A NIC
20 and 21
Acknowledgment message

43. The elements of communication include a message source - a message destination - and a _________ - or medium to transport the message.
Channel
Segmentation
Get IP addresses
3

44. Typical port for DHCP?
Application - Presentation - Session - Transport - Network - Datalink - Physical
UDP port 67
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)
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)

45. Typical port for DNS?
TCP/UDP port 53
Client. Even though a device can be both - the device requesting is defined as client
IP addresses
Static

46. Four characteristics that are addressed by network architecture design
Static
Fault tolerance - Scalability - Quality of Service - Security
Client/server
SMB

47. 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
IP addressing - layer 3
SMB
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)

48. DHCP enables clients on a network to...
A client request for data
Get IP addresses
Two or more computers connected through a network to share resources without a dedicated server involved.
Transfer files that make WWW - Don't be fooled; DNS is for resolving names to IP addresses

49. The HELO command does what in SMTP?
Transport - layer 4
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)
Segmentation
UDP port 67

50. Typical port for POP?
Dynamic
SMB
80
UDP port 110