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Cisco Network Fundamentals

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Answer 50 questions in 15 minutes.
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Match each statement with the correct term.
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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. Which is associated with the network layer? IP address - frames - MAC address or physical addressing?
IP addresses
GET - POST - PUT
IP addressing - layer 3
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network

2. What type of addressing is find at the OSI layer 2?
Two or more computers connected through a network to share resources without a dedicated server involved.
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network
25
Physical and MAC

3. What two separate processes does the email server operate?
Application - Transport - Internet - Network Access
Service - protocol
Internet protocol
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)

4. MX is what?
The application layer - layer 7
Physical and MAC
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
SMB

5. FTP requires ___(a number)___________ connection(s) between client and server to successfully transfer files. 1 - 2 - 3 or 4?
A network that can carry voice - video - and data over the same network
Transport - layer 4
Multiplexing
2. FTP requires one for commands and replies and one for actual file transfer

6. Four characteristics that are addressed by network architecture design
Proprietary
A client request for data
Fault tolerance - Scalability - Quality of Service - Security
Client. Even though a device can be both - the device requesting is defined as client

7. NAK is?
Physical and MAC
TCP/UDP port 53
Negative Acknowledgment message
A network that can carry voice - video - and data over the same network

8. Three functions performed by Presentation Layer
SMB
A service or process that runs in the background to 'listen' to client requests
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
A NIC

9. Interweaving multiple data streams into one shared communication channel is?
Multiplexing
A service or process that runs in the background to 'listen' to client requests
Acknowledgment message
A NIC

10. DNS is used to resolve internet names to ________________? (Hint: plural)
Service - protocol
IP addresses
2. FTP requires one for commands and replies and one for actual file transfer
All People Seem To Need Data Processing

11. What is a server daemon?

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12. Typical port for DNS?
Static
Application - presentation and session
TCP/UDP port 53
Transport - layer 4

13. A ___________ provides the function for doing something - whereas a ___________ provides the rules the service uses
Mail User Agent (i.e. - Thunderbird)
All People Seem To Need Data Processing
Service - protocol
UDP port 67

14. What does MUA stand for?
Mail User Agent (i.e. - Thunderbird)
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)
Channel
Transfer files that make WWW - Don't be fooled; DNS is for resolving names to IP addresses

15. A device that moves data between networks?
SAMBA
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
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)
Router

16. Which layer is concerned with end to end message delivery?
Client/server
Transport - layer 4
Internet protocol
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network

17. HTTP is used to...

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18. What is a peer-to-peer network?
Email. (Note: HTTP is technically a protocol - so that is incorrect)
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)
Two or more computers connected through a network to share resources without a dedicated server involved.

19. The three most common HTTP message types are?
80
GET - POST - PUT
Negative Acknowledgment message
.com or .net

20. What does SMTP stand for?
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)
Simple Mail Transfer Protocol
Segmentation
The application layer - layer 7

21. Mnemonic for OSI layers
Mail User Agent (i.e. - Thunderbird)
All People Seem To Need Data Processing
UDP port 67
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain

22. Layers of TCP/IP Model
25
Application - Transport - Internet - Network Access
TCP/UDP port 53
Application - Presentation - Session - Transport - Network - Datalink - Physical

23. ACK is what?
Static
Get IP addresses
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)
Acknowledgment message

24. Dividing data streams into smaller pieces suitable for transmission is called multiplexing - segmentation - encapsulation - or protocol?
GET - POST - PUT
Negative Acknowledgment message
Segmentation
Transfer files that make WWW - Don't be fooled; DNS is for resolving names to IP addresses

25. The HELO command does what in SMTP?
Segmentation
GET - POST - PUT
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)
Layer 7 is the application layer and all its components: applications - services and protocols

26. SMB stands for what?
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
2. FTP requires one for commands and replies and one for actual file transfer
Server message block - a request/response 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)

27. What does IP stand for?
Internet protocol
UDP port 110
Simple Mail Transfer Protocol
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain

28. What is the correct OSI top down layer order?
Transport - layer 4
25
Application - Presentation - Session - Transport - Network - Datalink - Physical
IP addresses

29. What layer is the top layer in both the OSI and TCP/IP models?
The application layer - layer 7
Fault tolerance - Scalability - Quality of Service - Security
Transfer files that make WWW - Don't be fooled; DNS is for resolving names to IP addresses
Channel

30. Linux uses SAMBA - which is a version of which file transfer protocol?
2. FTP requires one for commands and replies and one for actual file transfer
Client. Even though a device can be both - the device requesting is defined as client
Server message block - a request/response protocol
SMB

31. Typical port for HTTP?
TCP - Transmission Control Protocol
80
23
Service - protocol

32. Which OSI layer is associated with IP addressing? 1 - 2 - 3 or 4?
GET - POST - PUT
3
Get IP addresses
Physical and MAC

33. DHCP enables clients on a network to...
Get IP addresses
Fault tolerance - Scalability - Quality of Service - Security
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)
Server message block - a request/response protocol

34. Generally - which is best for end-user devices? Dynamic (DHCP) addressing or static?
Dynamic
Transport - layer 4
Get IP addresses
Multiplexing

35. 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)
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)
Protocol
The application layer - layer 7

36. The device that connects another device to the media?
Client. Even though a device can be both - the device requesting is defined as client
A NIC
23
SMB

37. The TCP/IP application layer consists roughly of which three OSI layers?
Segmentation
Service - protocol
Application - presentation and session
Mail User Agent (i.e. - Thunderbird)

38. Which is the best bet for network devices like gateways - switches - servers and printers--dynamic or static addressing?
Static
All People Seem To Need Data Processing
Application - Transport - Internet - Network Access
Physical and MAC

39. Which is the most popular network service? HTTP - FTP - Telnet or Email?
Mail User Agent (i.e. - Thunderbird)
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)
Simple Mail Transfer Protocol
Email. (Note: HTTP is technically a protocol - so that is incorrect)

40. Is ebay P2P or client/server?
Client/server
20 and 21
A network that can carry voice - video - and data over the same network
Get IP addresses

41. Protocols perform what tasks?
Layer 7 is the application layer and all its components: applications - services and protocols
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)
UDP port 67
Acknowledgment message

42. Typical port for POP?
Router
Get IP addresses
Internet protocol
UDP port 110

43. What is GET?
Segmentation
A client request for data
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)

44. Client and server processes are considered to be in what layer?
Transport - layer 4
TCP - Transmission Control Protocol
The application layer - layer 7
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain

45. In the client/server model - the device requesting the service is referred to as the ...?
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
.com or .net
Client. Even though a device can be both - the device requesting is defined as client
UDP port 110

46. Typical port for DHCP?
UDP port 67
GET - POST - PUT
Physical and MAC
UDP port 110

47. Give an example of a top level domain
Simple Mail Transfer Protocol
UDP port 110
.com or .net
The application layer - layer 7

48. The elements of communication include a message source - a message destination - and a _________ - or medium to transport the message.
All People Seem To Need Data Processing
The application layer - layer 7
UDP port 110
Channel

49. Is a connection using Telnet
Service - protocol
Acknowledgment message
Virtual terminal session. A connection using Telnet is called a VTY session/connection
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

50. Typical port for SMTP?
80
25
Dynamic
Mail User Agent (i.e. - Thunderbird)

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Cisco Network Fundamentals

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