CCNA 1 Chapter 1 Exam Answers and Networking Concepts

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1
Peer-to-peer network
A network where devices act as both clients and servers, lacking centralized administration, and typically easier and less costly to create.
2
Router
A device that determines the path that messages should take through a network.
3
Network medium selection criteria
Factors used to select a network medium, including the distance the medium can carry a signal and the environment where it is installed.
4
Intermediary devices
Devices that direct the path of data and connect individual hosts to the network.
5
End devices
Devices that originate data flowing through the network and serve as the interface between humans and the communication network.
6
Wireless LAN
A network area most likely affected by students bringing their own devices to access school resources.
7
Intranet
A private network that belongs to an organization and is accessible only by its members or authorized individuals.
8
High-bandwidth Internet connection options
Connection types such as DSL and cable that provide always-on, high-bandwidth access to computers.
9
Internet connection options without physical cables
Connection types such as cellular and satellite that do not require physical cables to be run to the building.
10
Network congestion
The state of a network when the demand on resources exceeds the available capacity.
11
Bandwidth
A measure of the data carrying capacity of the media.
12
bandwidth
a measure of the data carrying capacity of the media
13
fault tolerance
a method of limiting the impact of a hardware or software failure on the network
14
congestion
a state where the demand on the network resources exceeds the available capacity
15
QoS
a set of techniques to manage the utilization of network resources
16
BYOD
bring your own device, a trend in networking where users are allowed to use personal devices and tools on business and campus networks
17
converged network
one in which multiple technologies such as data, telephone, and video are all delivered on the same network infrastructure
18
cloud computing
allows users to access applications, back up and store files, and perform tasks without needing additional software or servers
19
powerline networking
adds the ability to connect a device to the network using an adapter wherever there is an electrical outlet
20
identity theft
capturing of personal data that leads to identity theft
21
minimum security requirements
implementing a firewall and installing antivirus software
22
intermediary devices
they direct data along alternate pathways when there is a link failure
23
podcast
an audio-based medium that allows people to deliver their recordings to a wide audience
24
social media
interactive websites where people create and share user-generated content with friends and family
25
wiki
web pages that groups of people can edit and view together
26
instant messaging
real-time communication between two or more people
27
DSL
an always-on, high bandwidth connection that runs over telephone lines
28
Cable
uses the same coaxial cable that carries television signals into the home to provide Internet access.
29
Dialup telephone
much slower than either DSL or cable, but is the least expensive option for home users because it can use any telephone line and a simple modem.
30
Satellite
requires a clear line of sight and is affected by trees and other obstructions.
31
The Internet
a network based on Ethernet technology.
32
Ensuring confidentiality
only the intended recipients can access and read the data.
33
Maintaining integrity
the assurance that the information has not been altered during transmission.
34
Ensuring availability
the assurance of timely and reliable access to data.
35
Data integrity
verifies that the data has not been altered on the trip between the sender and the receiver.
36
VPNs
are not the only secure method by which data can be transferred confidentially.
37
Online shopping
requires access to the Internet.
38
Strong, complex passwords
support data confidentiality.
39
LANs and WANs
both connect end devices.
40
WANs
connect LANs at slower speed bandwidth than LANs connect their internal end devices.
41
Converged network
a single network channel capable of delivering multiple communication forms.
42
Network that supports QoS
provides predictable levels of service to different types of traffic.
43
Circuit-switched networks
if all circuits are busy, a new call cannot be placed.
44
Congestion
a state where the demand on the network resources exceeds the available capacity.
45
TelePresence
provides real-time video and audio communication over the Internet for corporate meetings.
46
Minimum required security protection for home users
includes antivirus software, antispyware software, and a firewall.
47
Criteria for selecting network media
include the distance the media can successfully carry a signal and the environment where the media is to be installed.
48
Fault tolerance
is shown when students experience only a very short interruption of network services after a fiber optic cable is damaged.
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