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ENSA - Module 7 - WAN Concepts

Authored by Andrew Cruickshank

Instructional Technology

Professional Development

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ENSA - Module 7 - WAN Concepts
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14 questions

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1.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

What are two common types of circuit-switched WAN technologies? (Choose two)

ISDN
ATM
Frame Relay
PSTN
DSL

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

VPN
DSL
ATM
MPLS
WIFi

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

Copper
Fibre
Satellite
WiFi
Cable

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of WAN network design is the most fault-tolerant?

Point-to-Point
Partially meshed
Hub and Spoke
Dual-homed
Fully Meshed

5.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Which two statements about the WAN OSI Layer 1 are true? (Choose two.)

It includes protocols such as PPP, HDLC and Ethernet
It describes how data will be encapsulated into a frame
It describes the electrical, mechanical and operational components needed to transmit bits
It includes protocols such as SDH, SONET and DWDM

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which public WAN access technology utilizes copper telephone lines to provide access to subscribers that are multiplexed into a single T3 link connection?

PSTN
DSL
IDSN
Cable
Dialup

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

Ethernet WAN
Packet-switched network
MPLS
Frame-relay
Circuit-switched network

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