Linux Networking Model and Kernel Functionality Quiz

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Which protocol is commonly used for networking in Linux and UNIX systems?

Transmission Control Protocol/Internet Protocol (TCP/IP)

What is the purpose of computer networking?

To share information and computing resources

Who is responsible for ensuring that computer resources remain available?

System and network administrators

Which term is used to describe a collection of interconnected nodes within a metropolitan area under the same corporate control?

MAN Signup and view all the answers

What is the major distinction between a LAN and a WAN?

Use of high-speed media to interconnect nodes Signup and view all the answers

Which network model is used by Novelle Netware?

SPX/IPX Signup and view all the answers

What is the role of a network administrator?

To ensure computers remain interconnected Signup and view all the answers

Which version of the protocols is used in this layer?

Both Version 4 and Version 6 Signup and view all the answers

How many octets are IPv4 addresses composed of?

4 octets Signup and view all the answers

What is the purpose of routing in an internet?

To pass data between networks Signup and view all the answers

Which layer of the five-layer model is responsible for hardware such as cables and interface cards?

Network Interface Layer Signup and view all the answers

What is the purpose of the Preamble in the Hardware layer?

To synchronize the data Signup and view all the answers

Which layer of the five-layer model is responsible for encapsulating application data for network transmission?

Application Layer Signup and view all the answers

What is the name given to the data produced or read by Layer 4 if the protocol used is TCP?

Segment Signup and view all the answers

Which layer of the TCP/IP model is responsible for routing and fragmentation?

Internet Layer Signup and view all the answers

What is the main function of the Network Interface layer in the TCP/IP model?

Understanding physical addresses Signup and view all the answers

What is the device associated with the Network Interface layer in the TCP/IP model?

Switch Signup and view all the answers

Which protocol is responsible for generating error messages and supporting the ping command in the TCP/IP model?

Internet Control Messaging Protocol (ICMP) Signup and view all the answers

Which layer of the OSI model is responsible for providing end-to-end communication?

Layer 4: The Transport layer Signup and view all the answers

Which layer of the OSI model is responsible for data formatting?

Layer 6: The Presentation layer Signup and view all the answers

Which layer of the OSI model provides protocols for transmitting and receiving Data Link data between directly linked systems?

Layer 2: The Data Link layer Signup and view all the answers

Which layer of the OSI model dictates the physical characteristics of communication?

Layer 1: The Physical layer Signup and view all the answers

What are the two versions of the protocols in this layer?

Version 4 and Version 6 Signup and view all the answers

How many octets are IPv4 addresses composed of?

4 octets Signup and view all the answers

What is the purpose of routing in an internet?

To determine to which network the data needs to be sent Signup and view all the answers

What is the advantage of Linux and UNIX with respect to networking?

flexibility Signup and view all the answers

What is the purpose of computer networking?

to share information and computing resources Signup and view all the answers

Who owns the task of ensuring that computer resources remain available?

system and/or network administrators Signup and view all the answers

What is the purpose of the Internet layer in the TCP/IP model?

The Internet layer is responsible for routing and fragmentation, generating error messages, assisting routing through redirection, implementing flow control, supporting the ping command, supporting router discovery, and multicasting. Signup and view all the answers

What are the three principal protocols used by the Internet layer?

The three principal protocols used by the Internet layer are the Internet Protocol (IP), the Internet Control Messaging Protocol (ICMP), and the Internet Group Management Protocol (IGMP). Signup and view all the answers

What is the device associated with the Internet layer in the TCP/IP model?

The device associated with the Internet layer is a router. Signup and view all the answers

What information is contained in the Internet layer header?

The Internet layer header contains a lot of information, including the source and destination IP addresses associated with the packet. Signup and view all the answers

What are the lower four layers of the five-layer model in the TCP/IP model?

The lower four layers of the five-layer model in the TCP/IP model are the Hardware layer, Network Interface layer, Internet layer, and Transport layer. Signup and view all the answers

What is the responsibility of the Hardware layer in the TCP/IP model?

The Hardware layer in the TCP/IP model is responsible for hardware such as cables, interface cards, and repeaters. Signup and view all the answers

What does the Network Interface layer do in the TCP/IP model?

The Network Interface layer in the TCP/IP model prepares the data passed to it from the Internet layer for signaling. Signup and view all the answers

What is the purpose of encapsulation in the TCP/IP model?

The purpose of encapsulation in the TCP/IP model is to wrap the data passed to each layer with information used to determine the destination and service to be invoked. Signup and view all the answers

What is the purpose of the OSI model?

The OSI model is primarily used as a reference model for describing network models and incorporating protocols that can be used to implement a network stack. Signup and view all the answers

Which layer of the OSI model handles the exchange of data through dialog procedures or conversation protocols?

Layer 5: The Session layer Signup and view all the answers

What is the responsibility of the Transport layer in the OSI model?

The Transport layer is responsible for the reliable transfer of data between systems, including flow control, ordering of information, error detection, and recovery of data. Signup and view all the answers

What does the Physical layer in the OSI model define?

The Physical layer defines the required hardware, such as cables and interfaces, for a given medium of communication, such as electrical, radio frequency, and light-based. Signup and view all the answers

What are some common types of networks and their characteristics?

<ul> <li>LANs are collections of interconnected nodes that are geographically nearby, such as in the same room or building.</li> <li>WANs are collections of interconnected and geographically disparate nodes, often using high-speed media for interconnection.</li> <li>CANs are LANs or WANs that extend across multiple buildings within a single company or university.</li> <li>MANs are collections of nodes within a metropolitan area under the same corporate control.</li> </ul> Signup and view all the answers

What is the definition of a local network?

A local network refers to the collection of all nodes connected via the same medium and sharing the same network number. Nodes in a local network can communicate with each other without requiring the services of a router. Signup and view all the answers

What is a network model and what does it consist of?

A network model reflects a design or architecture for communication between different systems. It consists of layers, with each layer representing specific functionality. Within each layer, there are protocols specified to implement specific tasks. Signup and view all the answers

Provide examples of different network models.

Examples of network models include TCP/IP, SPX/IPX used by Novelle Netware, NetBIOS used in Microsoft networking, and AppleTalk for Apple Macintosh computers. Signup and view all the answers

Study Notes

An Introduction to TCP/IP and Network Models

Linux and UNIX are known for their flexibility, especially in networking, using TCP/IP.
Networking involves connecting computer systems to share information and resources.
System and network administrators are responsible for ensuring the availability of computer resources.
Different types of networks include LAN, WAN, CAN, and MAN.
LANs are collections of interconnected nodes in close proximity, but this can also include layer 2 routing.
WANs are collections of interconnected nodes that are geographically dispersed, often using high-speed media.
CAN refers to LANs or WANs that extend across multiple buildings within the same company or university.
MAN refers to nodes within a metropolitan area under the same corporate control.
The definitions of LAN, WAN, CAN, and MAN can be fuzzy and may evolve with technology.
A network model, such as TCP/IP or OSI, reflects a design or architecture for communication between systems.
The OSI model consists of seven layers: Application, Presentation, Session, Transport, Network, Data Link, and Physical.
Each layer in the OSI model has specific functionality and protocols for implementing tasks.

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Linux Networking Model and Kernel Functionality Quiz

Questions and Answers

Which protocol is commonly used for networking in Linux and UNIX systems?

What is the purpose of computer networking?

Who is responsible for ensuring that computer resources remain available?

Which term is used to describe a collection of interconnected nodes within a metropolitan area under the same corporate control?

What is the major distinction between a LAN and a WAN?

Which network model is used by Novelle Netware?

What is the role of a network administrator?

Which version of the protocols is used in this layer?

How many octets are IPv4 addresses composed of?

What is the purpose of routing in an internet?

Which layer of the five-layer model is responsible for hardware such as cables and interface cards?

What is the purpose of the Preamble in the Hardware layer?

Which layer of the five-layer model is responsible for encapsulating application data for network transmission?

What is the name given to the data produced or read by Layer 4 if the protocol used is TCP?

Which layer of the TCP/IP model is responsible for routing and fragmentation?

What is the main function of the Network Interface layer in the TCP/IP model?

What is the device associated with the Network Interface layer in the TCP/IP model?

Which protocol is responsible for generating error messages and supporting the ping command in the TCP/IP model?

Which layer of the OSI model is responsible for providing end-to-end communication?

Which layer of the OSI model is responsible for data formatting?

Which layer of the OSI model provides protocols for transmitting and receiving Data Link data between directly linked systems?

Which layer of the OSI model dictates the physical characteristics of communication?

What are the two versions of the protocols in this layer?

How many octets are IPv4 addresses composed of?

What is the purpose of routing in an internet?

What is the advantage of Linux and UNIX with respect to networking?

What is the purpose of computer networking?

Who owns the task of ensuring that computer resources remain available?

What is the purpose of the Internet layer in the TCP/IP model?

What are the three principal protocols used by the Internet layer?

What is the device associated with the Internet layer in the TCP/IP model?

What information is contained in the Internet layer header?

What are the lower four layers of the five-layer model in the TCP/IP model?

What is the responsibility of the Hardware layer in the TCP/IP model?

What does the Network Interface layer do in the TCP/IP model?

What is the purpose of encapsulation in the TCP/IP model?

What is the purpose of the OSI model?

Which layer of the OSI model handles the exchange of data through dialog procedures or conversation protocols?

What is the responsibility of the Transport layer in the OSI model?

What does the Physical layer in the OSI model define?

What are some common types of networks and their characteristics?

What is the definition of a local network?

What is a network model and what does it consist of?

Provide examples of different network models.

Study Notes

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