4-2: Connecting to the WAN Flashcards Preview

CISA-2120 Switching > 4-2: Connecting to the WAN > Flashcards

Flashcards in 4-2: Connecting to the WAN Deck (25):
1

Which wireless technology provides Internet access through cellular networks?

LTE

2

Which two technologies use the PSTN network to provide an Internet connection?

  1. ISDN
  2. dialup

2

Which geographic scope requirement would be considered a distributed WAN scope?

many-to-many

3

Which connectivity type uses traditional phone network?

DSL

4

What is the name for devices and inside wiring that are located on the enterprise edge and connect to a carrier link?

CPE

5

A customer needs a WAN virtual connection that provides high-speed, dedicated bandwidth between two sites. Which type of WAN connection would best fulfill this need?

Ethernet WAN

6

Which WAN connectivity method would be used in a remote location where there are no service provider networks?

VSAT

6

What is the name for devices that provide an interface for customers to connect to within the WAN cloud?

DCE

8

Which connectivity type uses traditional video network?

Cable

9

Which WAN technology establishes a dedicated constant point-to-point connection between two sites?

Leased lines

10

Which connectivity method would be best for a corporate employee who works from home two days a week, but needs secure access to internal corporate databases?

VPN

11

Which WAN technology is cell-based and well suited to carry voice and video traffic?

ATM

12

What is the recommended technology to use over a public WAN infrastructure when a branch office is connected to the corporate site?

VPN

13

What is the name for a physical connection from the customer to the service provider POP?

Local Loop

14

What is the name for customer devices that pass the data from a customer network for transmission over the WAN?

DTE

15

A small company with 10 employees uses a single LAN to share information between computers. Which type of connection to the Internet would be appropriate for this company?

A broadband service, such as DSL, through their local service provider

16

What are two advantages of packet switching over circuit switching?

The communication costs are lower & Multiple pairs of nodes can communicate over the same network channel.

16

Which connectivity type is slow access (upload speed is about one-tenth download speed)?

Satellite Internet

17

What is a requirement of a connectionless packet-switched network?

Full addressing information must be carried in each data packet.

18

Which network scenario will require the use of a WAN?

Employees need to connect to the corporate email server through a VPN while traveling.

20

Which two devices are needed when a digital leased line is used to provide a connection between the customer and the service provider?

DSU & CSU

21

What is a long distance fiber-optic media technology that supports both SONET and SDH, and assigns incoming optical signals to specific wavelengths of light?

DWDM

22

What are two common high-bandwidth fiber-optic media standards?

SDH & SONET

24

A home user lives within 10 miles (16 kilometers) of the Internet provider network. Which type of technology provides high-speed broadband service with wireless access for this home user?

WiMAX

25

Which connectivity type set up by a city to provide free Internet access?

Municipal Wi-Fi