This document provides the answers to exam questions for CCNA 4 Chapter 2 v5.0 from 2014. It lists 22 multiple choice questions about WAN technologies, including which technologies use circuit switching versus packet switching, which technologies are best for various WAN deployment scenarios, and standards like ATM, Frame Relay, MPLS, Ethernet WAN, VPNs, ISDN, and DWDM. It provides the question followed by the answer choice for each of the 22 questions.

1. CCNA V5.0 - CCNA V5 ANSWERS
CCNA 4 Chapter 2 v5.0 Exam Answers 2014
December 11, 2013 by quocvuong · Leave a Comment
CCNA 4 Chapter 2 v5.0 Exam Answers 2014
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CCNA 4 Chapter 2 v5.0 Exam Answers
1.
Packet Tracer
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Which WAN technology is cell-based and well suited to carry voice and video traffic?
VSAT
CCNA 4 V 5.0 Final Ex am 201 4
CCNA 4 Chapter 3 v 5.0 Ex am Answers
ISDN
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Frame Relay
CCNA 4 Chapter 2 v 5.0 Ex am Answers
ATM
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CCNA 4 Chapter 1 v 5.0 Ex am Answers
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2
CCNA 3 v 5 Final Ex am Answers 201 4
Which WAN connectivity method would be used in a remote location where there are no
CCNA 3 v 5.0 Scaling networks Final
service provider networks?
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VPN
CCNA 1 Chapter 1 v 5.0 Ex am Answers
WiMAX
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cable
CCNA 1 Chapter 2 v 5.0 Ex am Answers
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VSAT
CCNA 1 Chapter 3 v 5.0 Ex am Answers
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CCNA 1 Chapter 4 v 5.0 Ex am Answers
Which network scenario will require the use of a WAN?
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Employees need to access web pages that are hosted on the corporate web servers in the
CCNA 1 Chapter 5 v 5.0 Ex am Answers
DMZ within their building.
Employees need to connect to the corporate email server through a VPN while
traveling.
Employee workstations need to obtain dynamically assigned IP addresses.
Employees in the branch office need to share files with the headquarters office that is
located in a separate building on the same campus network.
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CCNA 1 Chapter 6 v 5.0 Ex am Answers
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CCNA 1 Chapter 7 v 5.0 Ex am Answers
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CCNA 1 Chapter 8 v 5.0 Ex am Answers
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CCNA 1 Chapter 9 v 5.0 Ex am Answers
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4
Which two technologies use the PSTN network to provide an Internet connection?
(Choose two.)
ATM
ISDN
Frame Relay
MPLS
dialup
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5
Which geographic scope requirement would be considered a distributed WAN scope?
regional
one-to-one
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3. global
local
one-to-many
many-to-many
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What are two advantages of packet switching over circuit switching? (Choose two.)
A connection through the service provider network is established quickly before
communications start.
There are fewer delays in the data communications processes.
The communication costs are lower.
Multiple pairs of nodes can communicate over the same network channel.
A dedicated secure circuit is established between each pair of communicating nodes.
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7
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
WiMAX
DSL
cable
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8
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4. 9
Which wireless technology provides Internet access through cellular networks?
satellite
municipal WiFi
LTE
WiMAX
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10
What is a requirement of a connectionless packet-switched network?
Full addressing information must be carried in each data packet.
A virtual circuit is created for the duration of the packet delivery.
Each packet has to carry only an identifier.
The network predetermines the route for a packet.
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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?
circuit-switched network
packet-switched network
MPLS
Ethernet WAN
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12
Which WAN technology establishes a dedicated constant point-to-point connection
between two sites?
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5. ATM
Frame Relay
leased lines
ISDN
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13
A company needs to interconnect several branch offices across a metropolitan area. The
network engineer is seeking a solution that provides high-speed converged traffic,
including voice, video, and data on the same network infrastructure. The company also
wants easy integration to their existing LAN infrastructure in their office locations. Which
technology should be recommended?
Frame Relay
Ethernet WAN
ISDN
VSAT
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14
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
DSL
802.11
municipal Wi-Fi
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6. 15
Which two devices are needed when a digital leased line is used to provide a connection
between the customer and the service provider? (Choose two.)
dialup modem
access server
DSU
CSU
Layer 2 switch
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What is a feature of dense wavelength-division multiplexing (DWDM) technology?
It replaces SONET and SDH technologies.
It provides Layer 3 support for long distance data communications.
It provides a 10 Gb/s multiplexed signal over analog copper telephone lines.
It enables bidirectional communications over one strand of fiber.
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18
What is the recommended technology to use over a public WAN infrastructure when a
branch office is connected to the corporate site?
municipal Wi-Fi
VPN
ATM
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7. ISDN
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19
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
a dialup connection that is supplied by their local telephone service provider
Virtual Private Networks that would enable the company to connect easily and securely
with employees
private dedicated lines through their local service provider
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20
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?
ATM
MPLS
ISDN
DWDM
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21
A new corporation needs a data network that must meet certain requirements. The
network must provide a low cost connection to sales people dispersed over a large
geographical area. Which two types of WAN infrastructure would meet the requirements?
(Choose two.)
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8. private infrastructure
dedicated
public infrastructure
Internet
satellite
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22
What are two common high-bandwidth fiber-optic media standards? (Choose two.)
ITU
ANSI
ATM
SDH
SONET
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