CCNA 4 Chapter 2 2014

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1.

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

VSAT
ISDN
Frame Relay
ATM*

2
Which WAN connectivity method would be used in a remote location where there are no service provider networks?

VPN
WiMAX
cable
VSAT*

3
Which network scenario will require the use of a WAN?

Employees need to access web pages that are hosted on the corporate web servers in the 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.

4
Which two technologies use the PSTN network to provide an Internet connection? (Choose two.)

ATM
ISDN
Frame Relay
MPLS
dialup

5
Which geographic scope requirement would be considered a distributed WAN scope?

regional
one-to-one
global
local
one-to-many
many-to-many*

6
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.

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

8

Place the options in the following order:

- not scored – 
CPE 
Local Loop 
– not scored – 
DTE 
DCE

9
Which wireless technology provides Internet access through cellular networks?

satellite
municipal WiFi
LTE*
WiMAX

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.

11
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*

12
Which WAN technology establishes a dedicated constant point-to-point connection between two sites?

ATM
Frame Relay
leased lines*
ISDN

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

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

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

16

Place the options in the following order: 
uses traditional video network 
uses traditional phone network 
set up by a city to provide free Internet access 
slow access (upload speed is about one-tenth download speed) 
– not scored -

17
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.*

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
ISDN

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

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*

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.)

private infrastructure
dedicated
public infrastructure*
Internet*
satellite

22
What are two common high-bandwidth fiber-optic media standards? (Choose two.)

ITU
ANSI
ATM
SDH*
SONET*

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CCNA 4 chapter 1 2014

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ccna 4 chapter 1 2014

1 

What are two structured engineering principles necessary for successful implementation of a network design? (Choose two.)

modularity*
security
availability
quality of service
resiliency*

2 
What is an important first consideration when starting to design a network?

size of the network*
access security
protocols to be used
type of applications

3 
Which layer of the Cisco Collaboration Architecture contains unified communications and conference software such as Cisco WebEx Meetings, WebEx Social, Cisco Jabber, and TelePresence?

service provider edge
enterprise WAN
applications and devices*
services module

4 
In which layer of the hierarchical enterprise LAN design model would PoE for VoIP phones and access points be considered?

core
physical
data link
access*
distribution

5 
Which network module is the fundamental component of a campus design?

access-distribution module*
services module
data center
enterprise edge

6 
In a hierarchical network design, which layers may be combined into a collapsed core for smaller networks?

core, distribution, and access
distribution and access
core and access
core and distribution*

7

Refer to the exhibit. Which type of ISP connectivity to the service provider edge is being used by company A?

dual-homed
dual-multihomed
single-homed
multihomed*

8 
What is one advantage to designing networks in building block fashion for large companies?

mobility
redundancy
increased network access time
failure isolation*

9 
A network engineer wants to redesign the wireless network and make use of wireless network controllers that manage the many deployed wireless access points. In which network design module of the campus network architecture would the centralized wireless network controllers be found?

services*
access-distribution
enterprise edge
data center

10 
Which two devices would commonly be found at the access layer of the hierarchical enterprise LAN design model? (Choose two.)

Layer 3 device
firewall
access point* 
Layer 2 switch*
modular switch

11 
Which approach in networking allows for network changes, upgrades, or the introduction of new services in a controlled and staged fashion?

modular*
network module
borderless
static

12

Refer to the exhibit. Which type of Cisco hierarchical LAN design model is used at school site 1?

7 layer
two-tier collapsed core*
three-tier
3 layer

13 
Which three network architectures have been introduced by Cisco to address the emerging technology challenges created by the evolving business models? (Choose three.)

Cisco Collaboration* 
Cisco Data Center* 
Cisco Borderless*
Cisco Enterprise Edge
Cisco Enterprise Campus
Cisco Enterprise Branch

14 
Which Cisco technology allows diverse network devices to connect securely, reliably, and seamlessly to enterprise network resources?

Cisco AnyConnect*
enterprise edge
building distribution
service provider edge

15 
The network design for a college with users at five sites is being developed. Where in the campus network architecture would servers used by all users be located?

services
enterprise edge
data center*
access-distribution

16 
What is creating a new challenge for IT departments by changing the border of the enterprise network?

tablets*
company-owned desktops
energy costs
access layer switching

17 
Which network architecture functions through a combination of technologies that include wired, wireless, security, and more?

Cisco Borderless*
Cisco Enterprise Campus
Cisco Enterprise Edge
Cisco Enterprise Branch

18 
Which network architecture combines individual components to provide a comprehensive solution allowing people to cooperate and contribute to the production of something?

Cisco Enterprise Campus Architecture
Cisco Enterprise Branch Architecture
Cisco Borderless Network Architecture
Cisco Collaboration Architecture*

19 
Fill in the blank.
Reducing the complexity of network design by dividing a network into smaller
areas is an example of a ” hierarchical ” network model.​

20 
Fill in the blank. Use the abbreviation.
Under the Cisco Enterprise Edge module, the submodule that provides remote access
including authentication and IPS appliances is the ” VPN ” and remote access submodule.

21

Place the options in the following order:

- not scored – 
core 
ccess 
distribution

22

Place the options in the following order:
[+] campus core 
[+] building distribution 
[+] data center

[#] VPN and remote access 
[#] DMZ 
[#] e-commerce

[+] Order does not matter within this group.
[#] Order does not matter within this group.

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CCNA 4 chapter 2 2014

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