Personalities Who Contributed to the Development of Computer Networks and the Internet

This set of flashcards covers key personalities, terms, and concepts related to the development of computer networks and the Internet, based on the lecture notes.

Who is known for inventing the computer mouse and developing the Basic Graphical User Interface?

Douglas Engelbart

What is Vint Cerf known as in relation to the Internet?

He is known as the Father of the Internet.

What does TCP/IP stand for?

Transmission Control Protocol/Internet Protocol.

What is the purpose of the Dynamic Host Configuration Protocol (DHCP)?

It is used for automatically assigning IP addresses on IP networks.

What significant contribution did Tim Berners-Lee make to the Internet?

He is the inventor of HTML and the World Wide Web.

Define a router.

A device that allows computers to connect to other networks or to the internet.

What is the primary function of a modem?

To send, receive, and translate information from the internet to make it available within a Local Area Network (LAN).

What is packet switching?

A communication method where data is divided into smaller units called packets and transmitted over the network.

What does the term 'firewall' refer to in network security?

A system that monitors and controls incoming and outgoing network traffic based on predetermined security rules.

What does the reset button on a router do?

It is used to revert the router to its factory settings.

What is the significance of the 'Default Gateway'?

It is the IP address of the router as identified in the CMD command.

What type of network topology is NOT commonly used for WAN?

Bus topology.

What is the role of the workgroup in a local area network (LAN)?

It is a collection of computers that share common resources and responsibilities.

What is the function of the 'ping' command in a network context?

It is a command-line utility used to test the reachability of a host on an IP network.

What are inbound and outbound rules in the context of a firewall?

Inbound rules apply to incoming traffic, while outbound rules apply to outgoing traffic.

Grandfathers of Internet

Paul Baran

Who co-designed the TCP/IP protocols alongside Vint Cerf?

Robert Kahn

What was ARPANET?

The first wide-area packet-switched network and the precursor to the modern Internet.

What is the function of the Domain Name System (DNS)?

It translates human-readable domain names (e.g., www.example.com) into numerical IP addresses.

Collection of computers on a (LAN]

Workgroup

World’s largest wan

Internet

Network icon that shows internet connection status

Taskbar

Configures network setting of router

Web management page

What does ISP stand for?

Internet Service Provider

What is the difference between HTTP and HTTPS?

HTTPS is the secure version of HTTP, where communication is encrypted using Transport Layer Security (TLS).

What is a MAC address?

A unique hardware identifier assigned to a network interface controller (NIC) for communication at the data link layer of a network segment.

Define a Local Area Network (LAN).

A computer network that interconnects computers within a limited area such as a residence, school, laboratory, university campus, or office building.

What is a Wide Area Network (WAN)?

A telecommunications network that extends over a large geographic area for the primary purpose of computer networking.

Applies to the traffic that is coming from your network or internet to your device

Inbound rules

Applies to the traffic that is coming from your device or computer to your internet

Outbound rules

Internet connection type suggested based on ISP to Tp-link router

Dynamic Ip

Who is known for inventing the computer mouse and developing the Basic Graphical User Interface?

Douglas Engelbart

What is Vint Cerf known as in relation to the Internet?

He is known as the Father of the Internet.

What does TCP/IP stand for?

Transmission Control Protocol/Internet Protocol.

What is the purpose of the Dynamic Host Configuration Protocol (DHCP)?

It is used for automatically assigning IP addresses on IP networks.

What significant contribution did Tim Berners-Lee make to the Internet?

He is the inventor of HTML and the World Wide Web.

Define a router.

A device that allows computers to connect to other networks or to the internet.

What is the primary function of a modem?

To send, receive, and translate information from the internet to make it available within a Local Area Network (LAN).

What is packet switching?

A communication method where data is divided into smaller units called packets and transmitted over the network.

What does the term 'firewall' refer to in network security?

A system that monitors and controls incoming and outgoing network traffic based on predetermined security rules.

What does the reset button on a router do?

It is used to revert the router to its factory settings.

What is the significance of the 'Default Gateway'?

It is the IP address of the router as identified in the CMD command.

What type of network topology is NOT commonly used for WAN?

Bus topology.

What is the role of the workgroup in a local area network (LAN)?

It is a collection of computers that share common resources and responsibilities.

What is the function of the 'ping' command in a network context?

It is a command-line utility used to test the reachability of a host on an IP network.

What are inbound and outbound rules in the context of a firewall?

Inbound rules apply to incoming traffic, while outbound rules apply to outgoing traffic.

Grandfathers of Internet

Paul Baran

Who co-designed the TCP/IP protocols alongside Vint Cerf?

Robert Kahn

What was ARPANET?

The first wide-area packet-switched network and the precursor to the modern Internet.

What is the function of the Domain Name System (DNS)?

It translates human-readable domain names (e.g., www.example.com) into numerical IP addresses.

Collection of computers on a (LAN]

Workgroup

World’s largest wan

Internet

Network icon that shows internet connection status

Taskbar

Configures network setting of router

Web management page

What does ISP stand for?

Internet Service Provider

What is the difference between HTTP and HTTPS?

HTTPS is the secure version of HTTP, where communication is encrypted using Transport Layer Security (TLS).

What is a MAC address?

A unique hardware identifier assigned to a network interface controller (NIC) for communication at the data link layer of a network segment.

Define a Local Area Network (LAN).

A computer network that interconnects computers within a limited area such as a residence, school, laboratory, university campus, or office building.

What is a Wide Area Network (WAN)?

A telecommunications network that extends over a large geographic area for the primary purpose of computer networking.

Applies to the traffic that is coming from your network or internet to your device

Inbound rules

Applies to the traffic that is coming from your device or computer to your internet

Outbound rules

Internet connection type suggested based on ISP to Tp-link router

Dynamic Ip

What is a network switch?

A hardware device that connects devices on a computer network by using packet switching to receive, process, and forward data to the destination device.

What is the difference between a Static IP and a Dynamic IP address?

A Static IP address is a fixed address manually assigned to a device, while a Dynamic IP address is automatically assigned by a DHCP server and may change over time.

What is a Subnet Mask?

A 32-bit number that masks an IP address and divides the IP address into a network address and a host address.

What is the purpose of an SSID?

Service Set Identifier (SSID) is the primary name associated with an 802.11 wireless local area network (WLAN).

What is the function of the Simple Mail Transfer Protocol (SMTP)?

A communication protocol for electronic mail transmission across IP networks.

What are the most common WiFi frequency bands?

The most common bands are 2.4 GHz and 5 GHz.

What is the OSI Model?

A conceptual framework consisting of 7 layers used to understand and standardize the functions of a telecommunication or computing system.