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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. The TCP/IP application layer consists roughly of which three OSI layers?
Simple Mail Transfer Protocol
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
Application - presentation and session
Physical and MAC

2. Which OSI layer is associated with IP addressing? 1 - 2 - 3 or 4?
The application layer - layer 7
3
Client/server
Physical and MAC

3. What DOS command displays all the cached DNS entries on a WinXP/Win2k system?
Two or more computers connected through a network to share resources without a dedicated server involved.
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)
Acknowledgment message
Ipconfig/displaydns

4. In the client/server model - the device requesting the service is referred to as the ...?
Client/server
Client. Even though a device can be both - the device requesting is defined as client
Negative Acknowledgment message
TCP - Transmission Control Protocol

5. What layer is the top layer in both the OSI and TCP/IP models?
23
.com or .net
2. FTP requires one for commands and replies and one for actual file transfer
The application layer - layer 7

6. Dividing data streams into smaller pieces suitable for transmission is called multiplexing - segmentation - encapsulation - or protocol?
Segmentation
Internet protocol
Fault tolerance - Scalability - Quality of Service - Security
Mail User Agent (i.e. - Thunderbird)

7. Typical port for DHCP?
Server message block - a request/response protocol
UDP port 67
Transfer files that make WWW - Don't be fooled; DNS is for resolving names to IP addresses
3

8. Typical port for HTTP?
GET - POST - PUT
80
Dynamic
Multiplexing

9. Three functions performed by Presentation Layer
Physical and MAC
Two or more computers connected through a network to share resources without a dedicated server involved.
25
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

10. Typical port for POP?
Client/server
The application layer - layer 7
UDP port 110
2. FTP requires one for commands and replies and one for actual file transfer

11. A limited-use protocol owned by a company is?
.com or .net
Proprietary
The application layer - layer 7
Get IP addresses

12. Give an example of a top level domain
Static
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
.com or .net

13. Interweaving multiple data streams into one shared communication channel is?
Multiplexing
A client request for data
Segmentation
Mail User Agent (i.e. - Thunderbird)

14. Mnemonic for OSI layers
Protocol
20 and 21
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)
All People Seem To Need Data Processing

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

16. The application layer is which layer of the OSI model?
Fault tolerance - Scalability - Quality of Service - Security
Simple Mail Transfer Protocol
Channel
Layer 7 is the application layer and all its components: applications - services and protocols

17. A ___________ provides the function for doing something - whereas a ___________ provides the rules the service uses
25
Get IP addresses
UDP port 110
Service - protocol

18. Which is associated with the network layer? IP address - frames - MAC address or physical addressing?
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network
IP addresses
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
IP addressing - layer 3

19. Layers of TCP/IP Model
Email. (Note: HTTP is technically a protocol - so that is incorrect)
A service or process that runs in the background to 'listen' to client requests
All People Seem To Need Data Processing
Application - Transport - Internet - Network Access

20. Typical port for Telnet?
23
Proprietary
A NIC
UDP port 67

21. What type of addressing is find at the OSI layer 2?
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
Physical and MAC
25
IP addressing - layer 3

22. What is a peer-to-peer network?
Two or more computers connected through a network to share resources without a dedicated server involved.
The application layer - layer 7
A NIC
2. FTP requires one for commands and replies and one for actual file transfer

23. What two separate processes does the email server operate?
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)
UDP port 110
Get IP addresses
Channel

24. The three most common HTTP message types are?
GET - POST - PUT
Ipconfig/displaydns
Virtual terminal session. A connection using Telnet is called a VTY session/connection
2. FTP requires one for commands and replies and one for actual file transfer

25. What is GET?
Get IP addresses
Static
Client. Even though a device can be both - the device requesting is defined as client
A client request for data

26. The elements of communication include a message source - a message destination - and a _________ - or medium to transport the message.
Get IP addresses
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)
Channel
The application layer - layer 7

27. Which term describes a specific set of rules that determine the formatting of messages and the process of encapsulation used to forward 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)
A network that can carry voice - video - and data over the same network
25
Protocol

28. NAK is?
Ipconfig/displaydns
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
Service - protocol

29. Typical port for DNS?
All People Seem To Need Data Processing
IP addresses
Physical and MAC
TCP/UDP port 53

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

31. DNS is used to resolve internet names to ________________? (Hint: plural)
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)
All People Seem To Need Data Processing
IP addresses
Client. Even though a device can be both - the device requesting is defined as client

32. Typical port for SMTP?
SAMBA
25
Router
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network

33. Linux uses SAMBA - which is a version of which file transfer protocol?
Fault tolerance - Scalability - Quality of Service - Security
Application - Transport - Internet - Network Access
SMB
TCP - Transmission Control Protocol

34. Which is the best bet for network devices like gateways - switches - servers and printers--dynamic or static addressing?
Static
Internet protocol
2. FTP requires one for commands and replies and one for actual file transfer
Multiplexing

35. The device that connects another device to the media?
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network
Two or more computers connected through a network to share resources without a dedicated server involved.
A NIC
2. FTP requires one for commands and replies and one for actual file transfer

36. The HELO command does what in SMTP?
20 and 21
Negative Acknowledgment message
UDP port 110
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)

37. Which is associated with layer 4 of the OSI model--IP - TCP - FTP - or TFTP?
TCP - Transmission Control Protocol
Router
All People Seem To Need Data Processing
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network

38. DHCP enables clients on a network to...
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
Get IP addresses
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)
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)

39. Linux/UNIX uses _____________ for sharing resources with Microsoft networks?
2. FTP requires one for commands and replies and one for actual file transfer
UDP port 67
Service - protocol
SAMBA

40. Converged Network
A network that can carry voice - video - and data over the same network
TCP/UDP port 53
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

41. What is the correct OSI top down layer order?
20 and 21
Layer 7 is the application layer and all its components: applications - services and protocols
Application - Presentation - Session - Transport - Network - Datalink - Physical
Mail User Agent (i.e. - Thunderbird)

42. Which layer is concerned with end to end message delivery?
The application layer - layer 7
Transport - layer 4
IP addresses
Get IP addresses

43. Generally - which is best for end-user devices? Dynamic (DHCP) addressing or static?
A network that can carry voice - video - and data over the same network
Dynamic
Mail User Agent (i.e. - Thunderbird)
Layer 7 is the application layer and all its components: applications - services and protocols

44. What does SMTP stand for?
Dynamic
20 and 21
A network that can carry voice - video - and data over the same network
Simple Mail Transfer Protocol

45. SMB stands for what?
Server message block - a request/response protocol
23
Fault tolerance - Scalability - Quality of Service - Security
The application layer - layer 7

46. Client and server processes are considered to be in what layer?
Server message block - a request/response protocol
SAMBA
Negative Acknowledgment message
The application layer - layer 7

47. What does IP stand for?
Proprietary
Simple Mail Transfer Protocol
Internet protocol
20 and 21

48. What is a server daemon?

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49. ACK is what?
Segmentation
Acknowledgment message
Negative Acknowledgment message
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network

50. End vs Intermediary Device
.com or .net
UDP port 110
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network
Virtual terminal session. A connection using Telnet is called a VTY session/connection