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CCNA 4 Chapter 1

Pearson_IT
Get Quizlet's official CCNA - 1 term, 1 practice question, 1 full practice test
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Terms in this set (57)

a broadband service, such as DSL through their local service provider
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?
Employees need to connect to their corporate email server through VPN while travelling
Which scenario will require the use of a WAN?
WAN networks are owned by service providers
Which statement describes a characteristic of a WAN?
ISDN, PSTN
What are two common types of circuit-switched WAN technologies?
DSU, CSU
What two devices are needed when a digital leased lines is used to provide a connection between the costumer and the service provider?
Full addressing information must be carried in each data packet
What is a requirement of a connectionless packet-switched network?
public infrastructure, Internet
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?
Packet-switched can efficiently use multiple routes inside a service provider network
What is an advantage of packet-switched technology over circuit-switched technology?
DWDM
What is long distance fiber-optic media technology that supports both SONET and SDH and assigns incoming optical signals to specific wavelength of light?
SONET, SDH
What are two common high bandwidth fiber optic media standards?
ATM
Which WAN technology is cell based and well suited to carry voice and video traffic?
dialup, ISDN
Which two technologies use the PSTN network t provide an Internet connection
Ethernet WAN
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?
VSAT
Which solution can provide Internet access to remote locations where no regular WAN services are available?
leased lines
Which WAN technology establishes a dedicated constant point to point connection between two sites?
Ethernet WAN
A costumer 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?
DSLAM
Which feature is used when connecting to the Internet using DSL?
VPN
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?
LTE
Which wireless technology provides Internet access through cellular networks?
WiMax
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?
VPN
What is the recommended technology to use over a public WAN infrastructure when a branch office is connected to corporate site?
number of subscribers
What can cause a reduction in available bandwidth on a cable broadband connection?
CMTS
Which equipment is needed for an ISP to provide Internet connections through cable service?
many to many
Which geographical scope requirement would be considered a distributed WAN scope?
data security and confidentiality during transmission
A corporation is looking for a solution to connect multiple, newly established remote branch offices. Which consideration is important when selecting a private WAN connection rather a public WAN connection?
CPE
devices and inside wiring that are located on the enterprise edge and connect to a carrier link
DCE
devices that provide an interface for customers to connect to within the WAN cloud
DTE
customer devices that pass the data from a customer network for transmission over the WAN
local loop
a physical connection from the customer to the service provider POP
cable
uses traditional video network
DSL
uses traditional phone network
municipal WiFi
set up by a city to provide free network access
satellite Internet
slow access (upload speed is about one tenth download speed)
resiliency, modularity
What are two structured engineering principles necessary for successful implementation of a network design?
size of the network
What is an important first consideration when starting to design a network?
access point, Layer 2 switch
Which two devices would commonly be found at the access layer of the hierarchical enterprises LAN design model?
access
In which layer of the hierarchical enterprises LAN design model would PoE for VoIP phones and access points be considered?
core and distribution
In a hierarchical network design, which layers may be combined into a collapse core for smaller networks?
data center
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?
failure isolation
What is one advantage to designing networks in building blocks fashion for large companies?
services
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?
access-distribution module
Which network module is the fundamental component of a campus design?
modular
Which approach in networking allows for network changes, upgrades, or the introduction of new services in a controlled and staged fashion?
Cisco Borderless, Cisco Data Center, Cisco Collaboration
Which three network architectures have been introduced by Cisco to address the emerging technology challenges created by the evolving business models?
applications and devices
Which layer of the Cisco Collaboration Architecture contains unified communications and conference software such as Cisco WebEx Meetings, WebEx Social, Cisco Jabber, and TelePrescence?
Cisco AnyConnect
Which Cisco technology allows diverse network devices to connect securely, reliably, and seamlessly to enterprise network resources?
tablets
What is creating a new challenge for IT departments by changing the border of the enterprise network?
Cisco Borderless
Which network architecture functions through a combination of technologies that include wired, wireless, security, and more?
Cisco Collaboration Architecture
Which network architecture combines individual components to provide a comprehensive solution allowing people to cooperate and contribute to the production of something?
hierarchical
Reducing the complexity of network design by dividing a network into smaller areas in an example of a ________________ network model.
VPN
Under the Cisco Enterprise Edge, the submodule that provides remote access including authentication and IPS appliances is the _________ and remote access submodule.
campus core, building distribution, data center
submodules of Cisco Enterprise Campus
VPN and remote access, DMZ, e-commerce
submodules of Cisco Enterprise Edge
cloud computing, BYOD
What are two of the top trends that affect network architecture design?
The network can be easily designed because of the separation of the various functions that exist on a network into modules
Why would a company want network engineers to adhere to structured engineering principles when designing networks?
packet switching speed
What feature is more important at the core layer than at any other hierarchical network design layer?
Network and Computer Infrastructure
Which product corresponds to a layer of the Cisco Collaboration Architecture?
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