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Cisco Network Fundamentals

Instructions:

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. DHCP enables clients on a network to...
Get IP addresses
SAMBA
Router
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network

2. End vs Intermediary Device
Dynamic
A client request for data
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network
Mail User Agent (i.e. - Thunderbird)

3. What type of addressing is find at the OSI layer 2?
Physical and MAC
2. FTP requires one for commands and replies and one for actual file transfer
Email. (Note: HTTP is technically a protocol - so that is incorrect)
TCP/UDP port 53

4. Typical ports for FTP?
A network that can carry voice - video - and data over the same network
Protocol
20 and 21
Client. Even though a device can be both - the device requesting is defined as client

5. What does MUA stand for?
Negative Acknowledgment message
TCP/UDP port 53
Mail User Agent (i.e. - Thunderbird)
The application layer - layer 7

6. Which OSI layer is associated with IP addressing? 1 - 2 - 3 or 4?
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network
3
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
Server message block - a request/response protocol

7. Linux uses SAMBA - which is a version of which file transfer protocol?
Client. Even though a device can be both - the device requesting is defined as client
A NIC
Acknowledgment message
SMB

8. Generally - which is best for end-user devices? Dynamic (DHCP) addressing or static?
Dynamic
2. FTP requires one for commands and replies and one for actual file transfer
TCP/UDP port 53
Email. (Note: HTTP is technically a protocol - so that is incorrect)

9. 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
Email. (Note: HTTP is technically a protocol - so that is incorrect)
SMB
Mail User Agent (i.e. - Thunderbird)

10. DNS is used to resolve internet names to ________________? (Hint: plural)
Physical and MAC
Acknowledgment message
UDP port 110
IP addresses

11. The HELO command does what in SMTP?
20 and 21
Server message block - a request/response protocol
SMB
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)

12. What DOS command displays all the cached DNS entries on a WinXP/Win2k system?
IP addresses
Ipconfig/displaydns
Get IP addresses
Mail User Agent (i.e. - Thunderbird)

13. What is the correct OSI top down layer order?
IP addresses
Channel
Application - Presentation - Session - Transport - Network - Datalink - Physical
80

14. In the client/server model - the device requesting the service is referred to as the ...?
Layer 7 is the application layer and all its components: applications - services and protocols
Dynamic
The application layer - layer 7
Client. Even though a device can be both - the device requesting is defined as client

15. Which layer is concerned with end to end message delivery?
Server message block - a request/response protocol
Transport - layer 4
The application layer - layer 7
Two or more computers connected through a network to share resources without a dedicated server involved.

16. Which is the best bet for network devices like gateways - switches - servers and printers--dynamic or static addressing?
Simple Mail Transfer Protocol
Static
3
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network

17. FTP requires ___(a number)___________ connection(s) between client and server to successfully transfer files. 1 - 2 - 3 or 4?
Proprietary
A client request for data
UDP port 67
2. FTP requires one for commands and replies and one for actual file transfer

18. A ___________ provides the function for doing something - whereas a ___________ provides the rules the service uses
80
Physical and MAC
SMB
Service - protocol

19. What does IP stand for?
Client/server
Simple Mail Transfer Protocol
Internet protocol
Get IP addresses

20. Which is associated with the network layer? IP address - frames - MAC address or physical addressing?
All People Seem To Need Data Processing
The application layer - layer 7
IP addressing - layer 3
UDP port 67

21. What is a peer-to-peer network?
2. FTP requires one for commands and replies and one for actual file transfer
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)
Physical and MAC

22. The TCP/IP application layer consists roughly of which three OSI layers?
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
Transport - layer 4
Application - presentation and session
Server message block - a request/response protocol

23. Layers of TCP/IP Model
Application - Transport - Internet - Network Access
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)
Segmentation
The application layer - layer 7

24. Typical port for HTTP?
Client. Even though a device can be both - the device requesting is defined as client
80
Negative Acknowledgment message
All People Seem To Need Data Processing

25. Typical port for DNS?
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)
TCP/UDP port 53
All People Seem To Need Data Processing
Simple Mail Transfer Protocol

26. A limited-use protocol owned by a company is?
Static
.com or .net
Proprietary
Transfer files that make WWW - Don't be fooled; DNS is for resolving names to IP addresses

27. Protocols perform what tasks?
3
25
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)
Protocol

28. Which term describes a specific set of rules that determine the formatting of messages and the process of encapsulation used to forward data?
Ipconfig/displaydns
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
Protocol
Segmentation

29. Is ebay P2P or client/server?
Client. Even though a device can be both - the device requesting is defined as client
Client/server
23
3

30. What is GET?
A client request for data
Internet protocol
Layer 7 is the application layer and all its components: applications - services and protocols
Get IP addresses

31. Linux/UNIX uses _____________ for sharing resources with Microsoft networks?
TCP - Transmission Control Protocol
SMB
2. FTP requires one for commands and replies and one for actual file transfer
SAMBA

32. What two separate processes does the email server operate?
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network
Negative Acknowledgment message
Get IP addresses
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)

33. Typical port for DHCP?
UDP port 67
Transfer files that make WWW - Don't be fooled; DNS is for resolving names to IP addresses
Router
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

34. MX is what?
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
80
Multiplexing
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)

35. A device that moves data between networks?
A service or process that runs in the background to 'listen' to client requests
Router
Mail User Agent (i.e. - Thunderbird)
80

36. Typical port for Telnet?
Two or more computers connected through a network to share resources without a dedicated server involved.
Application - presentation and session
Transfer files that make WWW - Don't be fooled; DNS is for resolving names to IP addresses
23

37. What does SMTP stand for?
Router
Simple Mail Transfer Protocol
Multiplexing
UDP port 67

38. The three most common HTTP message types are?
GET - POST - PUT
Service - protocol
20 and 21
.com or .net

39. Four characteristics that are addressed by network architecture design
Simple Mail Transfer Protocol
TCP - Transmission Control Protocol
Fault tolerance - Scalability - Quality of Service - Security
2. FTP requires one for commands and replies and one for actual file transfer

40. The device that connects another device to the media?
23
Server message block - a request/response protocol
A NIC
Application - Transport - Internet - Network Access

41. Mnemonic for OSI layers
3
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
All People Seem To Need Data Processing

42. SMB stands for what?
TCP - Transmission Control Protocol
Email. (Note: HTTP is technically a protocol - so that is incorrect)
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network
Server message block - a request/response protocol

43. Converged Network
2. FTP requires one for commands and replies and one for actual file transfer
A network that can carry voice - video - and data over the same network
IP addressing - layer 3
Email. (Note: HTTP is technically a protocol - so that is incorrect)

44. Dividing data streams into smaller pieces suitable for transmission is called multiplexing - segmentation - encapsulation - or protocol?
UDP port 67
Segmentation
All People Seem To Need Data Processing
A network that can carry voice - video - and data over the same network

45. Client and server processes are considered to be in what layer?
Email. (Note: HTTP is technically a protocol - so that is incorrect)
The application layer - layer 7
20 and 21
Multiplexing

46. Three functions performed by Presentation Layer
Channel
Static
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
Virtual terminal session. A connection using Telnet is called a VTY session/connection

47. Typical port for POP?
UDP port 110
Transport - layer 4
Application - presentation and session
Ipconfig/displaydns

48. Typical port for SMTP?
Negative Acknowledgment message
25
2. FTP requires one for commands and replies and one for actual file transfer
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain

49. Which is associated with layer 4 of the OSI model--IP - TCP - FTP - or TFTP?
3
25
TCP - Transmission Control Protocol
The application layer - layer 7

50. Is a connection using Telnet
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
Proprietary
Virtual terminal session. A connection using Telnet is called a VTY session/connection
Email. (Note: HTTP is technically a protocol - so that is incorrect)

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Cisco Network Fundamentals

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