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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. What is a peer-to-peer network?
Proprietary
Two or more computers connected through a network to share resources without a dedicated server involved.
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
IP addressing - layer 3

2. What does SMTP stand for?
All People Seem To Need Data Processing
Simple Mail Transfer Protocol
Internet protocol
TCP - Transmission Control Protocol

3. What DOS command displays all the cached DNS entries on a WinXP/Win2k system?
Ipconfig/displaydns
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
Layer 7 is the application layer and all its components: applications - services and protocols
TCP - Transmission Control Protocol

4. Which layer is concerned with end to end message delivery?
Transport - layer 4
SAMBA
The application layer - layer 7
UDP port 67

5. Is a connection using Telnet
Get IP addresses
Virtual terminal session. A connection using Telnet is called a VTY session/connection
3
Service - protocol

6. A limited-use protocol owned by a company is?
Proprietary
Get IP addresses
Negative Acknowledgment message
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)

7. Linux/UNIX uses _____________ for sharing resources with Microsoft networks?
SAMBA
Client. Even though a device can be both - the device requesting is defined as client
Email. (Note: HTTP is technically a protocol - so that is incorrect)
Internet protocol

8. Typical port for HTTP?
Channel
80
Client. Even though a device can be both - the device requesting is defined as client
Negative Acknowledgment message

9. SMB stands for what?
IP addressing - layer 3
Protocol
Ipconfig/displaydns
Server message block - a request/response protocol

10. HTTP is used to...

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11. Typical port for SMTP?
TCP - Transmission Control Protocol
25
Simple Mail Transfer Protocol
SMB

12. NAK is?
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
A service or process that runs in the background to 'listen' to client requests
TCP - Transmission Control Protocol
Negative Acknowledgment message

13. Which OSI layer is associated with IP addressing? 1 - 2 - 3 or 4?
Ipconfig/displaydns
3
25
Fault tolerance - Scalability - Quality of Service - Security

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

15. Linux uses SAMBA - which is a version of which file transfer protocol?
.com or .net
2. FTP requires one for commands and replies and one for actual file transfer
SMB
SAMBA

16. A device that moves data between networks?
The application layer - layer 7
A NIC
Router
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network

17. Client and server processes are considered to be in what layer?
The application layer - layer 7
Negative Acknowledgment message
Application - Transport - Internet - Network Access
2. FTP requires one for commands and replies and one for actual file transfer

18. What is the correct OSI top down layer order?
Client/server
Dynamic
Server message block - a request/response protocol
Application - Presentation - Session - Transport - Network - Datalink - Physical

19. Which is the best bet for network devices like gateways - switches - servers and printers--dynamic or static addressing?
Static
Simple Mail Transfer Protocol
IP addresses
Fault tolerance - Scalability - Quality of Service - Security

20. Dividing data streams into smaller pieces suitable for transmission is called multiplexing - segmentation - encapsulation - or protocol?
TCP/UDP port 53
The application layer - layer 7
Segmentation
Application - presentation and session

21. What layer is the top layer in both the OSI and TCP/IP models?
Proprietary
Mail User Agent (i.e. - Thunderbird)
The application layer - layer 7
25

22. Which is the most popular network service? HTTP - FTP - Telnet or Email?
Email. (Note: HTTP is technically a protocol - so that is incorrect)
Application - Transport - Internet - Network Access
The application layer - layer 7
80

23. 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
UDP port 67
Transport - layer 4
A NIC

24. 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
UDP port 67
Negative Acknowledgment message
The application layer - layer 7

25. What type of addressing is find at the OSI layer 2?
Transfer files that make WWW - Don't be fooled; DNS is for resolving names to IP addresses
Client. Even though a device can be both - the device requesting is defined as client
Physical and MAC
A NIC

26. Interweaving multiple data streams into one shared communication channel is?
Transfer files that make WWW - Don't be fooled; DNS is for resolving names to IP addresses
20 and 21
Multiplexing
A NIC

27. A ___________ provides the function for doing something - whereas a ___________ provides the rules the service uses
Service - protocol
Layer 7 is the application layer and all its components: applications - services and protocols
UDP port 110
SAMBA

28. Four characteristics that are addressed by network architecture design
A client request for data
Fault tolerance - Scalability - Quality of Service - Security
Dynamic
Client. Even though a device can be both - the device requesting is defined as client

29. What is GET?
A client request for data
Client/server
Dynamic
Negative Acknowledgment message

30. What does MUA stand for?
3
Mail User Agent (i.e. - Thunderbird)
A network that can carry voice - video - and data over the same network
Client. Even though a device can be both - the device requesting is defined as client

31. Layers of TCP/IP Model
Service - protocol
Application - Transport - Internet - Network Access
TCP/UDP port 53
IP addressing - layer 3

32. The application layer is which layer of the OSI model?
Layer 7 is the application layer and all its components: applications - services and protocols
UDP port 67
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)
UDP port 110

33. Typical port for POP?
Client. Even though a device can be both - the device requesting is defined as client
UDP port 110
GET - POST - PUT
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)

34. Typical port for DNS?
Application - presentation and session
TCP/UDP port 53
Multiplexing
IP addressing - layer 3

35. The three most common HTTP message types are?
GET - POST - PUT
The application layer - layer 7
Negative Acknowledgment message
Get IP addresses

36. The HELO command does what in SMTP?
A NIC
All People Seem To Need Data Processing
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

37. DNS is used to resolve internet names to ________________? (Hint: plural)
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network
All People Seem To Need Data Processing
IP addresses
GET - POST - PUT

38. ACK is what?
Multiplexing
Acknowledgment message
Simple Mail Transfer Protocol
Proprietary

39. Typical port for Telnet?
2. FTP requires one for commands and replies and one for actual file transfer
Internet protocol
Get IP addresses
23

40. MX is what?
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
IP addressing - layer 3
Get IP addresses
Proprietary

41. DHCP enables clients on a network to...
Get IP addresses
IP addresses
UDP port 67
A NIC

42. Typical ports for FTP?
IP addresses
20 and 21
Application - Transport - Internet - Network Access
Email. (Note: HTTP is technically a protocol - so that is incorrect)

43. The TCP/IP application layer consists roughly of which three OSI layers?
Application - presentation and session
SAMBA
20 and 21
TCP/UDP port 53

44. The device that connects another device to the media?
A NIC
80
Mail User Agent (i.e. - Thunderbird)
Static

45. Give an example of a top level domain
IP addresses
Transfer files that make WWW - Don't be fooled; DNS is for resolving names to IP addresses
.com or .net
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain

46. Mnemonic for OSI layers
All People Seem To Need Data Processing
A NIC
A network that can carry voice - video - and data over the same network
A service or process that runs in the background to 'listen' to client requests

47. Typical port for DHCP?
UDP port 67
2. FTP requires one for commands and replies and one for actual file transfer
Channel
A NIC

48. What does IP stand for?
Internet protocol
A service or process that runs in the background to 'listen' to client requests
25
Negative Acknowledgment message

49. What two separate processes does the email server operate?
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)
Fault tolerance - Scalability - Quality of Service - Security
SAMBA
Simple Mail Transfer Protocol

50. Converged Network
TCP - Transmission Control Protocol
80
A network that can carry voice - video - and data over the same network
GET - POST - PUT