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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. What is the correct OSI top down layer order?
Application - Presentation - Session - Transport - Network - Datalink - Physical
2. FTP requires one for commands and replies and one for actual file transfer
25
UDP port 67

2. HTTP is used to...

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3. Typical port for POP?
Segmentation
Fault tolerance - Scalability - Quality of Service - Security
Transfer files that make WWW - Don't be fooled; DNS is for resolving names to IP addresses
UDP port 110

4. Typical port for DHCP?
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.
Segmentation
UDP port 67

5. What does MUA stand for?
Internet protocol
Mail User Agent (i.e. - Thunderbird)
Dynamic
Get IP addresses

6. ACK is what?
IP addressing - layer 3
Acknowledgment message
The application layer - layer 7
Service - protocol

7. A device that moves data between networks?
Router
Virtual terminal session. A connection using Telnet is called a VTY session/connection
The application layer - layer 7
Application - presentation and session

8. Typical port for DNS?
IP addressing - layer 3
Router
TCP/UDP port 53
23

9. A limited-use protocol owned by a company is?
80
3
Proprietary
SAMBA

10. MX is what?
Physical and MAC
Protocol
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
Simple Mail Transfer Protocol

11. What is a peer-to-peer network?
The application layer - layer 7
Two or more computers connected through a network to share resources without a dedicated server involved.
Ipconfig/displaydns
20 and 21

12. What does IP stand for?
Ipconfig/displaydns
Segmentation
UDP port 67
Internet protocol

13. The device that connects another device to the media?
IP addressing - layer 3
A NIC
25
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network

14. DHCP enables clients on a network to...
TCP - Transmission Control Protocol
Virtual terminal session. A connection using Telnet is called a VTY session/connection
Get IP addresses
80

15. End vs Intermediary Device
UDP port 110
SAMBA
25
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network

16. A ___________ provides the function for doing something - whereas a ___________ provides the rules the service uses
Service - protocol
Internet protocol
Acknowledgment message
Router

17. What is a server daemon?

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18. Is ebay P2P or client/server?
Client/server
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
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)
IP addressing - layer 3

19. Interweaving multiple data streams into one shared communication channel is?
Proprietary
TCP - Transmission Control Protocol
Application - presentation and session
Multiplexing

20. 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
The application layer - layer 7
TCP/UDP port 53
Application - Presentation - Session - Transport - Network - Datalink - Physical

21. The elements of communication include a message source - a message destination - and a _________ - or medium to transport the message.
3
UDP port 67
Get IP addresses
Channel

22. Which OSI layer is associated with IP addressing? 1 - 2 - 3 or 4?
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)
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)
23
3

23. What DOS command displays all the cached DNS entries on a WinXP/Win2k system?
A NIC
Ipconfig/displaydns
Two or more computers connected through a network to share resources without a dedicated server involved.
Layer 7 is the application layer and all its components: applications - services and protocols

24. Three functions performed by Presentation Layer
GET - POST - PUT
The application layer - layer 7
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
23

25. What is GET?
Server message block - a request/response protocol
Email. (Note: HTTP is technically a protocol - so that is incorrect)
A client request for data
Protocol

26. What does SMTP stand for?
Simple Mail Transfer Protocol
Service - protocol
UDP port 67
Proprietary

27. Which layer is concerned with end to end message delivery?
Physical and MAC
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
Transport - layer 4
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)

28. Client and server processes are considered to be in what layer?
TCP/UDP port 53
Application - Presentation - Session - Transport - Network - Datalink - Physical
The application layer - layer 7
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)

29. The TCP/IP application layer consists roughly of which three OSI layers?
Application - presentation and session
Client. Even though a device can be both - the device requesting is defined as client
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

30. The HELO command does what in SMTP?
Virtual terminal session. A connection using Telnet is called a VTY session/connection
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network
Segmentation

31. Give an example of a top level domain
Application - presentation and session
.com or .net
Transfer files that make WWW - Don't be fooled; DNS is for resolving names to IP addresses
Negative Acknowledgment message

32. Protocols perform what tasks?
The application layer - layer 7
80
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)

33. Which is the most popular network service? HTTP - FTP - Telnet or Email?
Internet protocol
Email. (Note: HTTP is technically a protocol - so that is incorrect)
Server message block - a request/response protocol
SAMBA

34. What layer is the top layer in both the OSI and TCP/IP models?
A client request for data
The application layer - layer 7
Multiplexing
Router

35. NAK is?
Service - protocol
UDP port 110
Negative Acknowledgment message
A client request for data

36. Which is the best bet for network devices like gateways - switches - servers and printers--dynamic or static addressing?
2. FTP requires one for commands and replies and one for actual file transfer
Dynamic
Static
Application - Presentation - Session - Transport - Network - Datalink - Physical

37. DNS is used to resolve internet names to ________________? (Hint: plural)
23
UDP port 67
IP addresses
Physical and MAC

38. Generally - which is best for end-user devices? Dynamic (DHCP) addressing or static?
Dynamic
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
A service or process that runs in the background to 'listen' to client requests

39. Linux/UNIX uses _____________ for sharing resources with Microsoft networks?
SAMBA
Ipconfig/displaydns
IP addresses
Get IP addresses

40. Typical port for HTTP?
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
Router
The application layer - layer 7

41. Is a connection using Telnet
Virtual terminal session. A connection using Telnet is called a VTY session/connection
Negative Acknowledgment message
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)
Static

42. Linux uses SAMBA - which is a version of which file transfer protocol?
Acknowledgment message
A NIC
SMB
Application - Transport - Internet - Network Access

43. SMB stands for what?
A network that can carry voice - video - and data over the same network
Transfer files that make WWW - Don't be fooled; DNS is for resolving names to IP addresses
Server message block - a request/response protocol
.com or .net

44. Four characteristics that are addressed by network architecture design
Fault tolerance - Scalability - Quality of Service - Security
Proprietary
.com or .net
TCP - Transmission Control Protocol

45. Typical ports for FTP?
Mail User Agent (i.e. - Thunderbird)
A NIC
A network that can carry voice - video - and data over the same network
20 and 21

46. Converged Network
3
A network that can carry voice - video - and data over the same network
80
Static

47. The application layer is which layer of the OSI model?
SMB
TCP/UDP port 53
Layer 7 is the application layer and all its components: applications - services and protocols
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)

48. Which is associated with layer 4 of the OSI model--IP - TCP - FTP - or TFTP?
Application - Transport - Internet - Network Access
TCP - Transmission Control Protocol
Application - Presentation - Session - Transport - Network - Datalink - Physical
UDP port 67

49. The three most common HTTP message types are?
Acknowledgment message
GET - POST - PUT
A client request for data
Mail User Agent (i.e. - Thunderbird)

50. Dividing data streams into smaller pieces suitable for transmission is called multiplexing - segmentation - encapsulation - or protocol?
Email. (Note: HTTP is technically a protocol - so that is incorrect)
80
Segmentation
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

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Cisco Network Fundamentals

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