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 layer is the top layer in both the OSI and TCP/IP models?
IP addresses
Client. Even though a device can be both - the device requesting is defined as client
A service or process that runs in the background to 'listen' to client requests
The application layer - layer 7


2. The three most common HTTP message types are?
Dynamic
GET - POST - PUT
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)
The application layer - layer 7


3. Layers of TCP/IP Model
Negative Acknowledgment message
Virtual terminal session. A connection using Telnet is called a VTY session/connection
Application - Transport - Internet - Network Access
A NIC


4. Protocols perform what tasks?
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
Acknowledgment message
2. FTP requires one for commands and replies and one for actual file transfer


5. Linux/UNIX uses _____________ for sharing resources with Microsoft networks?
SAMBA
UDP port 110
All People Seem To Need Data Processing
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain


6. Dividing data streams into smaller pieces suitable for transmission is called multiplexing - segmentation - encapsulation - or protocol?
A NIC
Application - presentation and session
Segmentation
SMB


7. SMB stands for what?
SMB
25
3
Server message block - a request/response protocol


8. Which is the best bet for network devices like gateways - switches - servers and printers--dynamic or static addressing?
Router
Static
GET - POST - PUT
80


9. Which layer is concerned with end to end message delivery?
Transport - layer 4
20 and 21
Server message block - a request/response protocol
The application layer - layer 7


10. Converged Network
Dynamic
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 network that can carry voice - video - and data over the same network
Protocol


11. Which is associated with layer 4 of the OSI model--IP - TCP - FTP - or TFTP?
3
TCP - Transmission Control Protocol
IP addresses
Get IP addresses


12. What two separate processes does the email server operate?
Application - Presentation - Session - Transport - Network - Datalink - Physical
MTA (Mail Transfer Agent) and MDA (Mail Delivery Agent)
Server message block - a request/response protocol
Negative Acknowledgment message


13. Which OSI layer is associated with IP addressing? 1 - 2 - 3 or 4?
GET - POST - PUT
Email. (Note: HTTP is technically a protocol - so that is incorrect)
25
3


14. HTTP is used to...


15. End vs Intermediary Device
Application - presentation and session
Channel
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network
Client/server


16. Typical port for SMTP?
Server message block - a request/response protocol
25
All People Seem To Need Data Processing
Service - protocol


17. Is ebay P2P or client/server?
A NIC
The application layer - layer 7
Static
Client/server


18. Typical port for DNS?
Router
TCP/UDP port 53
Protocol
Server message block - a request/response protocol


19. Linux uses SAMBA - which is a version of which file transfer protocol?
Transport - layer 4
SMB
Two or more computers connected through a network to share resources without a dedicated server involved.
A NIC


20. What does IP stand for?
Internet protocol
2. FTP requires one for commands and replies and one for actual file transfer
IP addresses
All People Seem To Need Data Processing


21. What does MUA stand for?
.com or .net
IP addressing - layer 3
Mail User Agent (i.e. - Thunderbird)
Acknowledgment message


22. Four characteristics that are addressed by network architecture design
The application layer - layer 7
All People Seem To Need Data Processing
Fault tolerance - Scalability - Quality of Service - Security
Protocol


23. Mnemonic for OSI layers
The application layer - layer 7
Server message block - a request/response protocol
Two or more computers connected through a network to share resources without a dedicated server involved.
All People Seem To Need Data Processing


24. What is a peer-to-peer network?
Application - presentation and session
A NIC
Two or more computers connected through a network to share resources without a dedicated server involved.
Server message block - a request/response protocol


25. Give an example of a top level domain
.com or .net
UDP port 67
SMB
Transfer files that make WWW - Don't be fooled; DNS is for resolving names to IP addresses


26. The TCP/IP application layer consists roughly of which three OSI layers?
Application - presentation and session
Internet protocol
Mail User Agent (i.e. - Thunderbird)
Fault tolerance - Scalability - Quality of Service - Security


27. FTP requires ___(a number)___________ connection(s) between client and server to successfully transfer files. 1 - 2 - 3 or 4?
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
End device is a data producer/consumer - e.g. client/server - Intemediary device Provides connectivity and ensures data flows across network
2. FTP requires one for commands and replies and one for actual file transfer
Negative Acknowledgment message


28. Which is the most popular network service? HTTP - FTP - Telnet or Email?
Simple Mail Transfer Protocol
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
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)


29. DHCP enables clients on a network to...
Virtual terminal session. A connection using Telnet is called a VTY session/connection
Two or more computers connected through a network to share resources without a dedicated server involved.
Get IP addresses
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain


30. The application layer is which layer of the OSI model?
SMB
Dynamic
Layer 7 is the application layer and all its components: applications - services and protocols
SAMBA


31. NAK is?
Transport - layer 4
Negative Acknowledgment message
Channel
Multiplexing


32. What is a server daemon?


33. MX is what?
Service - protocol
Client. Even though a device can be both - the device requesting is defined as client
80
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain


34. A limited-use protocol owned by a company is?
The application layer - layer 7
UDP port 67
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)
Proprietary


35. A ___________ provides the function for doing something - whereas a ___________ provides the rules the service uses
Physical and MAC
The application layer - layer 7
Service - protocol
Protocol


36. What is GET?
Ipconfig/displaydns
A client request for data
Application - Transport - Internet - Network Access
Layer 7 is the application layer and all its components: applications - services and protocols


37. Typical ports for FTP?
Server message block - a request/response protocol
Get IP addresses
20 and 21
Multiplexing


38. Generally - which is best for end-user devices? Dynamic (DHCP) addressing or static?
TCP - Transmission Control Protocol
Dynamic
Application - presentation and session
Multiplexing


39. Client and server processes are considered to be in what layer?
Router
The application layer - layer 7
80
Email. (Note: HTTP is technically a protocol - so that is incorrect)


40. The HELO command does what in SMTP?
GET - POST - PUT
20 and 21
Identifies the SMTP client process to the SMTP server process. (Newer version is EHLO)
A NIC


41. What does SMTP stand for?
Simple Mail Transfer Protocol
Client/server
Mail User Agent (i.e. - Thunderbird)
2. FTP requires one for commands and replies and one for actual file transfer


42. DNS is used to resolve internet names to ________________? (Hint: plural)
Static
IP addresses
3
Mail User Agent (i.e. - Thunderbird)


43. Typical port for POP?
Application - Presentation - Session - Transport - Network - Datalink - Physical
Acknowledgment message
UDP port 67
UDP port 110


44. Three functions performed by Presentation Layer
.com or .net
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
SAMBA


45. The elements of communication include a message source - a message destination - and a _________ - or medium to transport the message.
Negative Acknowledgment message
80
3
Channel


46. In the client/server model - the device requesting the service is referred to as the ...?
Fault tolerance - Scalability - Quality of Service - Security
Client. Even though a device can be both - the device requesting is defined as client
Physical and MAC
Client/server


47. Typical port for Telnet?
Static
Acknowledgment message
23
Dynamic


48. ACK is what?
2. FTP requires one for commands and replies and one for actual file transfer
Acknowledgment message
.com or .net
The application layer - layer 7


49. Typical port for HTTP?
A client request for data
Mail exchange record; maps a domain name to a list of mail exchange servers for that domain
80
Application - Transport - Internet - Network Access


50. Typical port for DHCP?
Client. Even though a device can be both - the device requesting is defined as client
SAMBA
TCP/UDP port 53
UDP port 67