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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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1. Which is associated with the network layer? IP address - frames - MAC address or physical addressing?
IP addressing - layer 3
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)
Physical and MAC
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network

2. Give an example of a top level domain
.com or .net
TCP - Transmission Control 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)
SMB

3. Which is associated with layer 4 of the OSI model--IP - TCP - FTP - or TFTP?
UDP port 110
TCP - Transmission Control Protocol
Client. Even though a device can be both - the device requesting is defined as client
Virtual terminal session. A connection using Telnet is called a VTY session/connection

4. Converged Network
A network that can carry voice - video - and data over the same network
20 and 21
Two or more computers connected through a network to share resources without a dedicated server involved.
Proprietary

5. What is the correct OSI top down layer order?
Application - Presentation - Session - Transport - Network - Datalink - Physical
Two or more computers connected through a network to share resources without a dedicated server involved.
Client/server
25

6. NAK is?
Negative Acknowledgment message
SMB
Segmentation
TCP/UDP port 53

7. Three functions performed by Presentation Layer
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)
Mail User Agent (i.e. - Thunderbird)
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
Channel

8. DNS is used to resolve internet names to ________________? (Hint: plural)
Client/server
Virtual terminal session. A connection using Telnet is called a VTY session/connection
IP addresses
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)

9. What is a peer-to-peer network?
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)
A service or process that runs in the background to 'listen' to client requests
Two or more computers connected through a network to share resources without a dedicated server involved.

10. Typical port for SMTP?
23
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
Dynamic

11. Linux uses SAMBA - which is a version of which file transfer protocol?
Ipconfig/displaydns
SMB
A network that can carry voice - video - and data over the same network
Channel

12. What does IP stand for?
Internet protocol
Segmentation
23
Get IP addresses

13. MX is what?
The application layer - layer 7
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
Multiplexing
80

14. Typical port for DNS?
TCP/UDP port 53
Negative Acknowledgment message
The application layer - layer 7
Segmentation

15. ACK is what?
Acknowledgment message
Application - presentation and session
Transfer files that make WWW - Don't be fooled; DNS is for resolving names to IP addresses
GET - POST - PUT

16. A ___________ provides the function for doing something - whereas a ___________ provides the rules the service uses
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)
Transfer files that make WWW - Don't be fooled; DNS is for resolving names to IP addresses
Service - protocol
20 and 21

17. Which layer is concerned with end to end message delivery?
The application layer - layer 7
Transport - layer 4
A network that can carry voice - video - and data over the same network
Client/server

18. Which term describes a specific set of rules that determine the formatting of messages and the process of encapsulation used to forward data?
Segmentation
Protocol
TCP - Transmission Control Protocol
SAMBA

19. What layer is the top layer in both the OSI and TCP/IP models?
Simple Mail Transfer Protocol
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
The application layer - layer 7
IP addresses

20. Layers of TCP/IP Model
Channel
23
Proprietary
Application - Transport - Internet - Network Access

21. The device that connects another device to the media?
Transfer files that make WWW - Don't be fooled; DNS is for resolving names to IP addresses
.com or .net
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

22. Is ebay P2P or client/server?
SAMBA
Ipconfig/displaydns
Internet protocol
Client/server

23. The elements of communication include a message source - a message destination - and a _________ - or medium to transport the message.
UDP port 110
Channel
IP addressing - layer 3
TCP - Transmission Control Protocol

24. Dividing data streams into smaller pieces suitable for transmission is called multiplexing - segmentation - encapsulation - or protocol?
Segmentation
Static
GET - POST - PUT
Transport - layer 4

25. Generally - which is best for end-user devices? Dynamic (DHCP) addressing or static?
Dynamic
Negative Acknowledgment message
Application - presentation and session
IP addresses

26. Typical port for DHCP?
The application layer - layer 7
UDP port 67
TCP - Transmission Control Protocol
Mail User Agent (i.e. - Thunderbird)

27. DHCP enables clients on a network to...
UDP port 67
Get IP addresses
Proprietary
Two or more computers connected through a network to share resources without a dedicated server involved.

28. Which OSI layer is associated with IP addressing? 1 - 2 - 3 or 4?
A network that can carry voice - video - and data over the same network
All People Seem To Need Data Processing
3
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network

29. What type of addressing is find at the OSI layer 2?
IP addressing - layer 3
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
Ipconfig/displaydns

30. End vs Intermediary Device
The application layer - layer 7
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network
TCP - Transmission Control Protocol
A NIC

31. HTTP is used to...

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

33. Typical port for POP?
Simple Mail Transfer Protocol
80
Virtual terminal session. A connection using Telnet is called a VTY session/connection
UDP port 110

34. The application layer is which layer of the OSI model?
UDP port 67
2. FTP requires one for commands and replies and one for actual file transfer
Layer 7 is the application layer and all its components: applications - services and protocols
80

35. The TCP/IP application layer consists roughly of which three OSI layers?
Transport - layer 4
The application layer - layer 7
25
Application - presentation and session

36. Is a connection using Telnet
Virtual terminal session. A connection using Telnet is called a VTY session/connection
80
IP addressing - layer 3
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)

37. Which is the best bet for network devices like gateways - switches - servers and printers--dynamic or static addressing?
25
Static
Client. Even though a device can be both - the device requesting is defined as client
SMB

38. Interweaving multiple data streams into one shared communication channel is?
Router
Multiplexing
23
TCP - Transmission Control Protocol

39. 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)
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network
SAMBA
23

40. What does SMTP stand for?
25
Protocol
Simple Mail Transfer Protocol
TCP/UDP port 53

41. Mnemonic for OSI layers
Negative Acknowledgment message
All People Seem To Need Data Processing
Get IP addresses
Dynamic

42. A device that moves data between networks?
A service or process that runs in the background to 'listen' to client requests
The application layer - layer 7
Router
Server message block - a request/response protocol

43. What is GET?
Multiplexing
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)
A client request for data
25

44. What DOS command displays all the cached DNS entries on a WinXP/Win2k system?
Transfer files that make WWW - Don't be fooled; DNS is for resolving names to 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)
UDP port 67
Ipconfig/displaydns

45. Typical port for HTTP?
A service or process that runs in the background to 'listen' to client requests
A client request for data
A NIC
80

46. Linux/UNIX uses _____________ for sharing resources with Microsoft networks?
All People Seem To Need Data Processing
Virtual terminal session. A connection using Telnet is called a VTY session/connection
SAMBA
Acknowledgment message

47. In the client/server model - the device requesting the service is referred to as the ...?
Client. Even though a device can be both - the device requesting is defined as client
SAMBA
Email. (Note: HTTP is technically a protocol - so that is incorrect)
Dynamic

48. SMB stands for what?
UDP port 110
IP addresses
Server message block - a request/response protocol
Router

49. What is a server daemon?

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50. Four characteristics that are addressed by network architecture design
Fault tolerance - Scalability - Quality of Service - Security
A service or process that runs in the background to 'listen' to client requests
TCP/UDP port 53
Service - protocol

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Cisco Network Fundamentals

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