8 Network Architectures Free Online FlashCards

What does a network architecture describe?

A network architecture describes how devices, services, and connections are organized to provide communication.

How does the client-server model provide a service?

A client requests a service, and a designated server provides it. For example, a client can request a web page from a web server.

What defines a peer-to-peer network?

A peer-to-peer network lets participating devices share resources directly; each device can act as both requester and provider.

What is one advantage of centralized services?

Centralized services make administration, access control, backups, and updates easier to coordinate.

What availability concern comes with client-server services?

A client-server service depends on its server and network connection being available, so organizations may use redundancy and backups.

What makes peer-to-peer networks harder to manage at larger scales?

As a peer-to-peer network grows, managing permissions, backups, and availability becomes harder.

What does a router typically do in a home network?

A router connects the local network to the internet and forwards traffic between networks; it may also provide DHCP address assignment.

What is the role of the campus access layer?

The access layer connects end devices, such as computers, phones, and wireless access points, to the campus network.

How are switches arranged in a spine-and-leaf network?

In a spine-and-leaf design, endpoints connect to leaf switches, and each leaf connects to spine switches that interconnect the leaves.

What does a WAN connect for a company with multiple offices?

A wide-area network connects a company's local networks at multiple offices to other sites and shared services.

How do switches and routers differ in their traffic-handling roles?

Switches move traffic within local network segments; routers forward packets between IP networks.

What are the distinct roles of DHCP and DNS?

DHCP can provide a client with network configuration, while DNS translates a service name into an IP address.