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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. Typical port for DNS?
Fault tolerance - Scalability - Quality of Service - Security
TCP/UDP port 53
23
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network

2. DHCP enables clients on a network to...
All People Seem To Need Data Processing
Transfer files that make WWW - Don't be fooled; DNS is for resolving names to IP addresses
3
Get IP addresses

3. Typical port for POP?
Transport - layer 4
UDP port 110
The application layer - layer 7
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)

4. Mnemonic for OSI layers
2. FTP requires one for commands and replies and one for actual file transfer
All People Seem To Need Data Processing
Application - Presentation - Session - Transport - Network - Datalink - Physical
Layer 7 is the application layer and all its components: applications - services and protocols

5. What DOS command displays all the cached DNS entries on a WinXP/Win2k system?
Ipconfig/displaydns
A client request for data
2. FTP requires one for commands and replies and one for actual file transfer
IP addresses

6. What two separate processes does the email server operate?
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network
Application - Transport - Internet - Network Access
Segmentation

7. What does IP stand for?
Email. (Note: HTTP is technically a protocol - so that is incorrect)
UDP port 110
Multiplexing
Internet protocol

8. Which layer is concerned with end to end message delivery?
Server message block - a request/response protocol
SAMBA
Transport - layer 4
Application - Presentation - Session - Transport - Network - Datalink - Physical

9. Which is associated with the network layer? IP address - frames - MAC address or physical addressing?
A NIC
Application - Presentation - Session - Transport - Network - Datalink - Physical
IP addressing - layer 3
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain

10. Dividing data streams into smaller pieces suitable for transmission is called multiplexing - segmentation - encapsulation - or protocol?
Transfer files that make WWW - Don't be fooled; DNS is for resolving names to IP addresses
Segmentation
Router
Channel

11. What layer is the top layer in both the OSI and TCP/IP models?
Negative Acknowledgment message
.com or .net
Virtual terminal session. A connection using Telnet is called a VTY session/connection
The application layer - layer 7

12. Layers of TCP/IP Model
Ipconfig/displaydns
Protocol
A NIC
Application - Transport - Internet - Network Access

13. Interweaving multiple data streams into one shared communication channel is?
Internet protocol
Transport - layer 4
Multiplexing
GET - POST - PUT

14. A limited-use protocol owned by a company is?
25
Proprietary
IP addresses
The application layer - layer 7

15. What is a peer-to-peer network?
.com or .net
Two or more computers connected through a network to share resources without a dedicated server involved.
Application - Presentation - Session - Transport - Network - Datalink - Physical
The application layer - layer 7

16. The HELO command does what in SMTP?
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)
Fault tolerance - Scalability - Quality of Service - Security
A NIC
Internet protocol

17. Typical ports for FTP?
Transfer files that make WWW - Don't be fooled; DNS is for resolving names to IP addresses
Server message block - a request/response protocol
20 and 21
Fault tolerance - Scalability - Quality of Service - Security

18. Which term describes a specific set of rules that determine the formatting of messages and the process of encapsulation used to forward data?
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
Two or more computers connected through a network to share resources without a dedicated server involved.
Service - protocol

19. Is ebay P2P or client/server?
Client/server
SAMBA
Application - Presentation - Session - Transport - Network - Datalink - Physical
20 and 21

20. A ___________ provides the function for doing something - whereas a ___________ provides the rules the service uses
Internet protocol
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network
TCP/UDP port 53
Service - protocol

21. Typical port for DHCP?
2. FTP requires one for commands and replies and one for actual file transfer
All People Seem To Need Data Processing
80
UDP port 67

22. What does SMTP stand for?
Simple Mail Transfer Protocol
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
Negative Acknowledgment message

23. 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)
3

24. Which is the best bet for network devices like gateways - switches - servers and printers--dynamic or static addressing?
A client request for data
Physical and MAC
Virtual terminal session. A connection using Telnet is called a VTY session/connection
Static

25. What type of addressing is find at the OSI layer 2?
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
Physical and MAC
Email. (Note: HTTP is technically a protocol - so that is incorrect)
Get IP addresses

26. ACK is what?
Acknowledgment message
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
Application - presentation and session
GET - POST - PUT

27. Linux uses SAMBA - which is a version of which file transfer protocol?
20 and 21
Application - presentation and session
23
SMB

28. End vs Intermediary Device
Two or more computers connected through a network to share resources without a dedicated server involved.
23
UDP port 110
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network

29. Which is associated with layer 4 of the OSI model--IP - TCP - FTP - or TFTP?
TCP/UDP port 53
UDP port 67
TCP - Transmission Control Protocol
GET - POST - PUT

30. Client and server processes are considered to be in what layer?
2. FTP requires one for commands and replies and one for actual file transfer
Transfer files that make WWW - Don't be fooled; DNS is for resolving names to IP addresses
Client/server
The application layer - layer 7

31. Typical port for Telnet?
The application layer - layer 7
23
A client request for data
TCP/UDP port 53

32. The device that connects another device to the media?
Application - presentation and session
TCP - Transmission Control Protocol
GET - POST - PUT
A NIC

33. The three most common HTTP message types are?
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network
Client. Even though a device can be both - the device requesting is defined as client
GET - POST - PUT
Internet protocol

34. Protocols perform what tasks?
IP addresses
25
Get 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)

35. Typical port for SMTP?
The application layer - layer 7
25
SAMBA
Ipconfig/displaydns

36. The TCP/IP application layer consists roughly of which three OSI layers?
Application - presentation and session
80
Channel
TCP - Transmission Control Protocol

37. HTTP is used to...

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38. MX is what?
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
Router
UDP port 67
.com or .net

39. In the client/server model - the device requesting the service is referred to as the ...?
Channel
A client request for data
Application - presentation and session
Client. Even though a device can be both - the device requesting is defined as client

40. Which OSI layer is associated with IP addressing? 1 - 2 - 3 or 4?
Layer 7 is the application layer and all its components: applications - services and protocols
3
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

41. What is GET?
Protocol
A client request for data
A network that can carry voice - video - and data over the same network
SMB

42. NAK is?
A NIC
TCP - Transmission Control Protocol
Client. Even though a device can be both - the device requesting is defined as client
Negative Acknowledgment message

43. Three functions performed by Presentation Layer
TCP/UDP port 53
Segmentation
UDP port 67
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

44. What is a server daemon?

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45. Generally - which is best for end-user devices? Dynamic (DHCP) addressing or static?
Application - presentation and session
80
Dynamic
Proprietary

46. Which is the most popular network service? HTTP - FTP - Telnet or Email?
25
Ipconfig/displaydns
Email. (Note: HTTP is technically a protocol - so that is incorrect)
Internet protocol

47. Linux/UNIX uses _____________ for sharing resources with Microsoft networks?
SAMBA
IP addressing - layer 3
A client request for data
IP addresses

48. Converged Network
UDP port 110
Server message block - a request/response protocol
A network that can carry voice - video - and data over the same network
GET - POST - PUT

49. What is the correct OSI top down layer order?
Fault tolerance - Scalability - Quality of Service - Security
Email. (Note: HTTP is technically a protocol - so that is incorrect)
SAMBA
Application - Presentation - Session - Transport - Network - Datalink - Physical

50. SMB stands for what?
SAMBA
Server message block - a request/response protocol
23
Transport - layer 4

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Cisco Network Fundamentals

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