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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. NAK is?
UDP port 110
Service - protocol
Application - presentation and session
Negative Acknowledgment message

2. Typical ports for FTP?
Ipconfig/displaydns
Client/server
20 and 21
Internet protocol

3. A ___________ provides the function for doing something - whereas a ___________ provides the rules the service uses
Transfer files that make WWW - Don't be fooled; DNS is for resolving names to IP addresses
Simple Mail Transfer Protocol
Transport - layer 4
Service - protocol

4. 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
23
The application layer - layer 7

5. What is a server daemon?

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6. What does MUA stand for?
Mail User Agent (i.e. - Thunderbird)
20 and 21
Service - protocol
Server message block - a request/response protocol

7. Layers of TCP/IP Model
Dynamic
Transport - layer 4
Application - Transport - Internet - Network Access
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)

8. The HELO command does what in SMTP?
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)
Virtual terminal session. A connection using Telnet is called a VTY session/connection
The application layer - layer 7
Negative Acknowledgment message

9. Typical port for DNS?
TCP/UDP port 53
23
80
Static

10. End vs Intermediary Device
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)
2. FTP requires one for commands and replies and one for actual file transfer
SAMBA

11. Typical port for DHCP?
SAMBA
Service - protocol
.com or .net
UDP port 67

12. Four characteristics that are addressed by network architecture design
Fault tolerance - Scalability - Quality of Service - Security
Router
A client request for 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)

13. FTP requires ___(a number)___________ connection(s) between client and server to successfully transfer files. 1 - 2 - 3 or 4?
Router
2. FTP requires one for commands and replies and one for actual file transfer
UDP port 67
80

14. Three functions performed by Presentation Layer
GET - POST - PUT
23
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
Two or more computers connected through a network to share resources without a dedicated server involved.

15. Linux uses SAMBA - which is a version of which file transfer protocol?
SMB
Channel
25
.com or .net

16. The elements of communication include a message source - a message destination - and a _________ - or medium to transport the message.
Channel
A NIC
Transfer files that make WWW - Don't be fooled; DNS is for resolving names to IP addresses
3

17. What is a peer-to-peer network?
TCP/UDP port 53
A service or process that runs in the background to 'listen' to client requests
Acknowledgment message
Two or more computers connected through a network to share resources without a dedicated server involved.

18. The device that connects another device to the media?
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
A NIC
Email. (Note: HTTP is technically a protocol - so that is incorrect)
Fault tolerance - Scalability - Quality of Service - Security

19. Converged Network
GET - POST - PUT
A network that can carry voice - video - and data over the same network
A client request for data
A NIC

20. What DOS command displays all the cached DNS entries on a WinXP/Win2k system?
Server message block - a request/response protocol
20 and 21
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)
Ipconfig/displaydns

21. Protocols perform what tasks?
3
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)
Segmentation
IP addresses

22. ACK is what?
Client. Even though a device can be both - the device requesting is defined as client
Transport - layer 4
Proprietary
Acknowledgment message

23. Typical port for Telnet?
TCP/UDP port 53
23
.com or .net
Get IP addresses

24. HTTP is used to...

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25. Generally - which is best for end-user devices? Dynamic (DHCP) addressing or static?
Dynamic
3
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 service or process that runs in the background to 'listen' to client requests

26. SMB stands for what?
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)
80
23
Server message block - a request/response protocol

27. A limited-use protocol owned by a company is?
25
Segmentation
Proprietary
Layer 7 is the application layer and all its components: applications - services and protocols

28. MX is what?
TCP/UDP port 53
Acknowledgment message
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
Multiplexing

29. What is the correct OSI top down layer order?
Mail User Agent (i.e. - Thunderbird)
Negative Acknowledgment message
Router
Application - Presentation - Session - Transport - Network - Datalink - Physical

30. The three most common HTTP message types are?
Server message block - a request/response protocol
GET - POST - PUT
Mail User Agent (i.e. - Thunderbird)
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain

31. DNS is used to resolve internet names to ________________? (Hint: plural)
Channel
GET - POST - PUT
IP addresses
Email. (Note: HTTP is technically a protocol - so that is incorrect)

32. Is a connection using Telnet
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)
Internet protocol
The application layer - layer 7
Virtual terminal session. A connection using Telnet is called a VTY session/connection

33. Which is the best bet for network devices like gateways - switches - servers and printers--dynamic or static addressing?
Static
UDP port 67
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)
Acknowledgment message

34. What does IP stand for?
Application - presentation and session
20 and 21
Virtual terminal session. A connection using Telnet is called a VTY session/connection
Internet protocol

35. Which OSI layer is associated with IP addressing? 1 - 2 - 3 or 4?
3
Ipconfig/displaydns
Static
Physical and MAC

36. A device that moves data between networks?
UDP port 110
Layer 7 is the application layer and all its components: applications - services and protocols
Router
Client/server

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

38. The application layer is which layer of the OSI model?
Layer 7 is the application layer and all its components: applications - services and protocols
A network that can carry voice - video - and data over the same network
TCP/UDP port 53
IP addressing - layer 3

39. Dividing data streams into smaller pieces suitable for transmission is called multiplexing - segmentation - encapsulation - or protocol?
TCP/UDP port 53
Segmentation
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network
Email. (Note: HTTP is technically a protocol - so that is incorrect)

40. What two separate processes does the email server operate?
Proprietary
IP addressing - layer 3
Application - Transport - Internet - Network Access
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)

41. Is ebay P2P or client/server?
Client/server
A service or process that runs in the background to 'listen' to client requests
Static
SMB

42. What layer is the top layer in both the OSI and TCP/IP models?
Channel
The application layer - layer 7
23
Multiplexing

43. Interweaving multiple data streams into one shared communication channel is?
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)
Internet 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)
Multiplexing

44. Which term describes a specific set of rules that determine the formatting of messages and the process of encapsulation used to forward data?
Protocol
A network that can carry voice - video - and data over the same network
Simple Mail Transfer Protocol
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)

45. What does SMTP stand for?
Mail User Agent (i.e. - Thunderbird)
Physical and MAC
Simple Mail Transfer Protocol
A network that can carry voice - video - and data over the same network

46. What type of addressing is find at the OSI layer 2?
Physical and MAC
Simple Mail Transfer Protocol
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)
Segmentation

47. Typical port for POP?
TCP/UDP port 53
UDP port 110
80
A NIC

48. Mnemonic for OSI layers
All People Seem To Need Data Processing
Channel
The application layer - layer 7
Fault tolerance - Scalability - Quality of Service - Security

49. Which layer is concerned with end to end message delivery?
Transport - layer 4
SAMBA
A network that can carry voice - video - and data over the same network
25

50. Client and server processes are considered to be in what layer?
Application - Presentation - Session - Transport - Network - Datalink - Physical
The application layer - layer 7
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)
Two or more computers connected through a network to share resources without a dedicated server involved.

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Cisco Network Fundamentals

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