1.1.1 - Networking Concepts

Flashcards based on networking concepts lecture notes.

What is a network?

Two or more computer systems linked by a transmission medium sharing protocols to exchange data.

What are the main components of a network?

Nodes (devices that send, receive, and forward data) and links (communication pathways).

What is a node?

A device that sends, receives, and forwards data in a network.

What is a link in networking terms?

The communication pathway between nodes.

What are the two general kinds of nodes?

Intermediate nodes (perform forwarding) and end systems (send and receive data).

Another name for end systems.

Hosts

What is a client-server network?

A network where some nodes act as clients and others, more powerful computers, act as servers, with centralized resource management.

What is a peer-to-peer network?

A decentralized network where each host acts as both client and server.

What is another term for a small peer-to-peer network?

Workgroup

Which is more likely: a business network is a client-server or peer-to-peer network?

Client-server.

What is an appliance in the context of networking?

A computer with an OS and software designed for a specific network role.

Give some examples of network appliances.

Switches, routers, wireless access points, firewalls, intrusion detection systems, load balancers, and proxies.

What are network services?

Shared applications that enable the network to do useful work, such as file sharing or email.

What are network functions?

Additional properties configured to allow networks to perform in a some way. Security and quality of service are examples of

What are virtual appliances?

Appliance OS deployed as a virtual machine running on a hypervisor.