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Cisco Network Fundamentals

Instructions:

Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can study here.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

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. A device that moves data between networks?
Transport - layer 4
Router
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)
All People Seem To Need Data Processing

2. 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
TCP - Transmission Control Protocol
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)
A network that can carry voice - video - and data over the same network

3. DNS is used to resolve internet names to ________________? (Hint: plural)
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
Dynamic
Multiplexing
IP addresses

4. 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.
25
Mail User Agent (i.e. - Thunderbird)

5. Typical port for DNS?
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
Static
Dynamic
TCP/UDP port 53

6. What is the correct OSI top down layer order?
Segmentation
25
Multiplexing
Application - Presentation - Session - Transport - Network - Datalink - Physical

7. The elements of communication include a message source - a message destination - and a _________ - or medium to transport the message.
TCP/UDP port 53
23
Mail User Agent (i.e. - Thunderbird)
Channel

8. HTTP is used to...

9. Which is associated with the network layer? IP address - frames - MAC address or physical addressing?
GET - POST - PUT
IP addressing - layer 3
Channel
Transport - layer 4

10. ACK is what?
A network that can carry voice - video - and data over the same network
2. FTP requires one for commands and replies and one for actual file transfer
25
Acknowledgment message

11. DHCP enables clients on a network to...
IP addresses
Get IP addresses
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
20 and 21

12. What DOS command displays all the cached DNS entries on a WinXP/Win2k system?
25
Get IP addresses
Physical and MAC
Ipconfig/displaydns

13. Generally - which is best for end-user devices? Dynamic (DHCP) addressing or static?
20 and 21
Segmentation
Dynamic
IP addresses

14. Which OSI layer is associated with IP addressing? 1 - 2 - 3 or 4?
3
Fault tolerance - Scalability - Quality of Service - Security
Protocol
A client request for data

15. Give an example of a top level domain
A NIC
.com or .net
Transport - layer 4
A service or process that runs in the background to 'listen' to client requests

16. Which is the most popular network service? HTTP - FTP - Telnet or Email?
Email. (Note: HTTP is technically a protocol - so that is incorrect)
80
A service or process that runs in the background to 'listen' to client requests
2. FTP requires one for commands and replies and one for actual file transfer

17. Which is associated with layer 4 of the OSI model--IP - TCP - FTP - or TFTP?
TCP - Transmission Control Protocol
2. FTP requires one for commands and replies and one for actual file transfer
Multiplexing
Email. (Note: HTTP is technically a protocol - so that is incorrect)

18. What type of addressing is find at the OSI layer 2?
Physical and MAC
Static
Transport - layer 4
3

19. Which is the best bet for network devices like gateways - switches - servers and printers--dynamic or static addressing?
Static
A NIC
Layer 7 is the application layer and all its components: applications - services and protocols
3

20. Linux/UNIX uses _____________ for sharing resources with Microsoft networks?
23
SAMBA
Get IP addresses
All People Seem To Need Data Processing

21. What does MUA stand for?
TCP/UDP port 53
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
Mail User Agent (i.e. - Thunderbird)

22. What does IP stand for?
SAMBA
Get IP addresses
The application layer - layer 7
Internet protocol

23. Is ebay P2P or client/server?
20 and 21
Client/server
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)
The application layer - layer 7

24. A limited-use protocol owned by a company is?
Client/server
80
Proprietary
Ipconfig/displaydns

25. FTP requires ___(a number)___________ connection(s) between client and server to successfully transfer files. 1 - 2 - 3 or 4?
2. FTP requires one for commands and replies and one for actual file transfer
Internet protocol
SAMBA
.com or .net

26. Which layer is concerned with end to end message delivery?
Physical and MAC
Application - Transport - Internet - Network Access
Transport - layer 4
Negative Acknowledgment message

27. Mnemonic for OSI layers
3
All People Seem To Need Data Processing
Segmentation
Client/server

28. Four characteristics that are addressed by network architecture design
Static
Fault tolerance - Scalability - Quality of Service - Security
A network that can carry voice - video - and data over the same network
Ipconfig/displaydns

29. Typical port for SMTP?
2. FTP requires one for commands and replies and one for actual file transfer
Protocol
25
UDP port 67

30. The application layer is which layer of the OSI model?
A client request for data
Application - presentation and session
Protocol
Layer 7 is the application layer and all its components: applications - services and protocols

31. The device that connects another device to the media?
Client/server
2. FTP requires one for commands and replies and one for actual file transfer
UDP port 67
A NIC

32. SMB stands for what?
Protocol
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)
Fault tolerance - Scalability - Quality of Service - Security
Server message block - a request/response protocol

33. Protocols perform what tasks?
Server message block - a request/response 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)
Client. Even though a device can be both - the device requesting is defined as client
Proprietary

34. Typical ports for FTP?
Transfer files that make WWW - Don't be fooled; DNS is for resolving names to IP addresses
Client/server
Client. Even though a device can be both - the device requesting is defined as client
20 and 21

35. MX is what?
Negative Acknowledgment message
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
Application - Presentation - Session - Transport - Network - Datalink - Physical

36. Linux uses SAMBA - which is a version of which file transfer protocol?
Multiplexing
A NIC
Service - protocol
SMB

37. Typical port for POP?
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)
UDP port 110
Two or more computers connected through a network to share resources without a dedicated server involved.
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

38. Is a connection using Telnet
Virtual terminal session. A connection using Telnet is called a VTY session/connection
Client. Even though a device can be both - the device requesting is defined as client
UDP port 67
Layer 7 is the application layer and all its components: applications - services and protocols

39. 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
Application - Transport - Internet - Network Access
Client/server
Acknowledgment message

40. The three most common HTTP message types are?
Application - presentation and session
80
GET - POST - PUT
Application - Presentation - Session - Transport - Network - Datalink - Physical

41. Dividing data streams into smaller pieces suitable for transmission is called multiplexing - segmentation - encapsulation - or protocol?
SAMBA
Mail User Agent (i.e. - Thunderbird)
Segmentation
Static

42. Typical port for Telnet?
23
UDP port 110
.com or .net
Acknowledgment message

43. What two separate processes does the email server operate?
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)
80
Service - protocol
Proprietary

44. Typical port for DHCP?
UDP port 67
Internet protocol
IP addresses
A client request for data

45. What is GET?
IP addresses
A client request for data
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 network that can carry voice - video - and data over the same network

46. A ___________ provides the function for doing something - whereas a ___________ provides the rules the service uses
Get IP addresses
Application - Transport - Internet - Network Access
Service - protocol
Fault tolerance - Scalability - Quality of Service - Security

47. Client and server processes are considered to be in what layer?
The application layer - layer 7
Multiplexing
Application - presentation and session
Router

48. What is a server daemon?

49. NAK is?
Negative Acknowledgment message
Transport - layer 4
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

50. Interweaving multiple data streams into one shared communication channel is?
Multiplexing
23
20 and 21
Service - protocol