wan

Which situation describes data transmissions over a WAN connection?

An employee shares a database file with a co-worker who is located in a branch office on the other side of the city

A company is considering updating the campus WAN connection. Which are WAN options are examples of the private WAN architecture?

Leased Line, Ethernet WAN

Cable

High-speed, always on coaxial

dsl

A technology for high-speed network or Internet access over voice lines

frame relay

connect two or more LAN bridges over large distances

metro e

that provides point-to-point or multipoint connectivity services over a metropolitan area network (MAN)

t1

line is a dedicated transmission connection between a service provider and client

DCE

refers to computer hardware devices used to establish, maintain and terminate communication network sessions between a data source and its destination

cpe

is telecommunications and information technology equipment kept at the customer's physical location rather than on the service provider's premises

Demarcation Point

the physical point at which the public network of a telecommunications company ends and the private network of a customer begins

Data Terminal Equipment

is an end instrument that converts user information into signals or reconverts received signals

For what reason would an enterprise decide to implement a corporate WAN?

When its employees become distributed across many branch locations

What is true about the relationship between LANs and WANs?

WANs are typically operated through multiple ISPs, but LANs are typically operated by single organizations or individuals.

WANs connect LANs at slower speed bandwidth than LANs connect their internal end devices.

What is the most fault tolerant network topology that a enterprise can implement?

mesh topology

What is the most redundant WAN carrier connection the chapter lists a company can have?

Point to point

What is a (POP) or Point of Presence?

an access point from one place to the rest of the Internet

Which service provider fiber-optic technology increases the data-carrying capacity using different wavelengths?

Dense Wavelength Division Multiplexing (DWDM)

Which traditional WAN connectivity option uses T-Carrier or E-Carrier lines?

Leased Lines

Which WAN connectivity option is based on Ethernet LAN technology?

Ethernet Private Line

This might be metroE

Describe a Hub and Spoke topology?

has a central component that's connected to multiple networks around it

Which medium do service providers use to transmit data over WAN connections with SONET, SDH, and DWDM?

Fiber optic