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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. 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
Multiplexing
Acknowledgment message

2. Which term describes a specific set of rules that determine the formatting of messages and the process of encapsulation used to forward data?
25
All People Seem To Need Data Processing
Protocol
Two or more computers connected through a network to share resources without a dedicated server involved.

3. Which is the most popular network service? HTTP - FTP - Telnet or Email?
Layer 7 is the application layer and all its components: applications - services and protocols
Fault tolerance - Scalability - Quality of Service - Security
Email. (Note: HTTP is technically a protocol - so that is incorrect)
Mail User Agent (i.e. - Thunderbird)

4. The three most common HTTP message types are?
TCP/UDP port 53
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
IP addressing - layer 3
GET - POST - PUT

5. Is a connection using Telnet
Client. Even though a device can be both - the device requesting is defined as client
Negative Acknowledgment message
Virtual terminal session. A connection using Telnet is called a VTY session/connection
Physical and MAC

6. A limited-use protocol owned by a company is?
Simple Mail Transfer Protocol
A NIC
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)
Proprietary

7. Which is associated with the network layer? IP address - frames - MAC address or physical addressing?
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
IP addressing - layer 3
20 and 21
Fault tolerance - Scalability - Quality of Service - Security

8. Layers of TCP/IP Model
Fault tolerance - Scalability - Quality of Service - Security
Application - Transport - Internet - Network Access
A NIC
Service - protocol

9. End vs Intermediary Device
A service or process that runs in the background to 'listen' to client requests
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network
Transport - layer 4
Application - presentation and session

10. ACK is what?
Acknowledgment message
A NIC
Simple Mail Transfer Protocol
All People Seem To Need Data Processing

11. NAK is?
Physical and MAC
80
Two or more computers connected through a network to share resources without a dedicated server involved.
Negative Acknowledgment message

12. What layer is the top layer in both the OSI and TCP/IP models?
The application layer - layer 7
20 and 21
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)
SAMBA

13. Which layer is concerned with end to end message delivery?
TCP/UDP port 53
Transport - layer 4
Router
A network that can carry voice - video - and data over the same network

14. Which OSI layer is associated with IP addressing? 1 - 2 - 3 or 4?
Client/server
3
A network that can carry voice - video - and data over the same network
Router

15. Converged Network
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)
A network that can carry voice - video - and data over the same network
All People Seem To Need Data Processing

16. A ___________ provides the function for doing something - whereas a ___________ provides the rules the service uses
2. FTP requires one for commands and replies and one for actual file transfer
Service - protocol
Application - Transport - Internet - Network Access
TCP/UDP port 53

17. Three functions performed by Presentation Layer
UDP port 110
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
Application - Transport - Internet - Network Access
Two or more computers connected through a network to share resources without a dedicated server involved.

18. What does MUA stand for?
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)
The application layer - layer 7
Mail User Agent (i.e. - Thunderbird)
Multiplexing

19. Protocols perform what tasks?
Acknowledgment message
Virtual terminal session. A connection using Telnet is called a VTY session/connection
Simple Mail Transfer Protocol
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)

20. DHCP enables clients on a network to...
The application layer - layer 7
Internet protocol
25
Get IP addresses

21. What type of addressing is find at the OSI layer 2?
Application - presentation and session
Client. Even though a device can be both - the device requesting is defined as client
TCP - Transmission Control Protocol
Physical and MAC

22. The application layer is which layer of the OSI model?
Email. (Note: HTTP is technically a protocol - so that is incorrect)
Router
Layer 7 is the application layer and all its components: applications - services and protocols
The application layer - layer 7

23. Linux uses SAMBA - which is a version of which file transfer protocol?
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
UDP port 110
SMB
25

24. What DOS command displays all the cached DNS entries on a WinXP/Win2k system?
Client. Even though a device can be both - the device requesting is defined as client
Ipconfig/displaydns
2. FTP requires one for commands and replies and one for actual file transfer
UDP port 67

25. Client and server processes are considered to be in what layer?
The application layer - layer 7
Router
Segmentation
Server message block - a request/response protocol

26. SMB stands for what?
UDP port 67
A network that can carry voice - video - and data over the same network
Server message block - a request/response protocol
TCP/UDP port 53

27. Typical port for Telnet?
Simple Mail Transfer Protocol
23
Client/server
UDP port 67

28. Typical port for HTTP?
The application layer - layer 7
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)
80
A NIC

29. What is the correct OSI top down layer order?
IP addresses
Application - Presentation - Session - Transport - Network - Datalink - Physical
Transfer files that make WWW - Don't be fooled; DNS is for resolving names to IP addresses
Simple Mail Transfer Protocol

30. What does SMTP stand for?
Simple Mail Transfer Protocol
Transfer files that make WWW - Don't be fooled; DNS is for resolving names to IP addresses
Internet protocol
Physical and MAC

31. Is ebay P2P or client/server?
TCP - Transmission Control Protocol
Client/server
Internet protocol
UDP port 110

32. DNS is used to resolve internet names to ________________? (Hint: plural)
GET - POST - PUT
Negative Acknowledgment message
IP addresses
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)

33. HTTP is used to...

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34. Typical port for DNS?
A client request for data
2. FTP requires one for commands and replies and one for actual file transfer
Multiplexing
TCP/UDP port 53

35. The TCP/IP application layer consists roughly of which three OSI layers?
Internet protocol
Application - presentation and session
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

36. Linux/UNIX uses _____________ for sharing resources with Microsoft networks?
Transfer files that make WWW - Don't be fooled; DNS is for resolving names to IP addresses
2. FTP requires one for commands and replies and one for actual file transfer
Service - protocol
SAMBA

37. Typical port for DHCP?
Dynamic
Fault tolerance - Scalability - Quality of Service - Security
UDP port 67
Transport - layer 4

38. The elements of communication include a message source - a message destination - and a _________ - or medium to transport the message.
Server message block - a request/response protocol
Fault tolerance - Scalability - Quality of Service - Security
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)
Channel

39. Four characteristics that are addressed by network architecture design
IP addresses
2. FTP requires one for commands and replies and one for actual file transfer
Static
Fault tolerance - Scalability - Quality of Service - Security

40. What is a peer-to-peer network?
Email. (Note: HTTP is technically a protocol - so that is incorrect)
Dynamic
Negative Acknowledgment message
Two or more computers connected through a network to share resources without a dedicated server involved.

41. Which is associated with layer 4 of the OSI model--IP - TCP - FTP - or TFTP?
TCP - Transmission Control Protocol
Acknowledgment message
Multiplexing
.com or .net

42. Give an example of a top level domain
20 and 21
Application - presentation and session
.com or .net
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network

43. Typical port for SMTP?
Proprietary
25
Application - presentation and session
Fault tolerance - Scalability - Quality of Service - Security

44. Typical ports for FTP?
UDP port 110
Channel
20 and 21
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain

45. What is a server daemon?

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46. FTP requires ___(a number)___________ connection(s) between client and server to successfully transfer files. 1 - 2 - 3 or 4?
GET - POST - PUT
2. FTP requires one for commands and replies and one for actual file transfer
SMB
Router

47. The device that connects another device to the media?
A network that can carry voice - video - and data over the same network
Multiplexing
A NIC
Get IP addresses

48. The HELO command does what in SMTP?
Layer 7 is the application layer and all its components: applications - services and protocols
Proprietary
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)
.com or .net

49. What two separate processes does the email server operate?
2. FTP requires one for commands and replies and one for actual file transfer
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)
TCP - Transmission Control Protocol
Mail User Agent (i.e. - Thunderbird)

50. Dividing data streams into smaller pieces suitable for transmission is called multiplexing - segmentation - encapsulation - or protocol?
A client request for data
20 and 21
Dynamic
Segmentation