Chapter 1 Explore the Network CCNA1 - Routing & Switching Essentials

single

A LAN is usually administered by a _______ organization or individual.

A data center

A _______________ is a facility used to house computer systems and associated components

A NIC, or LAN adapter

A ____________provides the physical connection to the network at the PC or other end device.

Hosts

All computers connected to a network that participate directly in network communication are classified as ___________ or end devices.

Source or Destination

An end device is either the ___________ or ___________ of a message transmitted over the network.

extranet

An organization may use an _________ to provide secure and safe access to individuals who work for a different organizations, but require company data.

routers and switches

At the foundation of all network architectures, and, in fact, at the foundation of the Internet itself, are _______________ and ______________.

cable

Cable modems provide Internet service on the same ______ that delivers cable television.

medium

Communication across a network is carried on a _____________ which provides the channel over which the message travels from source to destination.

telephone

DSL (Digital Subscriber Line) runs over a _____________ line.

download speed is faster than the upload speed

Does ADSL have faster upload or download speeds? Note: SDSL stands for Symmetric DSL which has the same upload and download speeds (See 1.2.4.3)

address

In order to distinguish one host from another, each host on a network is identified by an _______________.

expensive

Leased lines are reserved circuits within a Service Provider (SP) network that a company could use to privately connect two of its geographically separated offices. The circuits are typically rented at a monthly or yearly rate and can be _____________.

Physical and Logical

List the two types of topology diagram:

__3__Redundant connections allow for alternative paths if a device or link fails __1__Additional users and whole networks can be added to an existing network without degrading performance. __4__Network administrators prevent intruders from gaining access to the physical networking equipment as well as protecting data from unauthorized users. __2__Priorities are given to different types of communication.

Matching. 1.Scalability, 2.Quality of Service (QoS), 3.Fault Tolerance ,4.Security

Internet

The _________________ is a network of networks that connects hundreds of millions of computers world-wide.

1. Devices 2. Media 3. Services

The network infrastructure contains three categories of network components.List them:

Public Clouds, Private Clouds, Hybrid Clouds, and Custom Clouds.

There are four types of "Clouds." List them:

false

True or False. Each of these media share the same features and benefits and use identical signal encoding for the message to be transmitted.

true

True or False: Both servers and clients are considered hosts on a network.

true

True or False: Network professionals need to be aware that there are both external and internal threats when developing security policies and practices.

true

True or False: Switches, Wireless Access Points(WAPs), Routers and Firewalls are all intermediary devices.

true

True or False: The Internet is not owed by any individual or group.

remote

VPNs are used to provide secure access to _______ workers.

wide

WANs interconnect LANs over ________ geographical areas such as between cities, states, provinces, countries, or continents.

rural

WISPs are more commonly found in __________ environments where DSL or cable services are not available.

Wikis

Web pages that groups of people can edit and view together are called ________.

LAN - Local Area Network WAN - Wide Area Network MAN - Metropolitan Area Network WLAN - Wireless LAN SAN - Storage Area Network

What do the following acronyms stand for? LAN, WAN, MAN, WLAN, SAN

Asymmetrical DSL

What does the acronym ADSL stand for?

Bring Your Own Device

What does the acronym BYOD stand for? BYOD is about end users having the freedom to use personal tools to access information and communicate across a business or campus network.

Internet Service Provider

What does the acronym ISP stand for?

Network Interface Card

What does the acronym NIC stand for?

Small Office/Home Office

What does the acronym SOHO stand for?

Service Provider

What does the acronym SP stand for?Note: Business-class interconnections (connections between a Corporate office and a Branch office for example) are usually provided by SPs.

Virtual private networks

What does the acronym VPN stand for?

Wireless Internet Service Provider

What does the acronym WISP stand for?

Satellite

_________ dishes require a clear line of sight to the satellite.

intranet

___________ is a term often used to refer to a private connection of LANs and WANs that belongs to an organization, and is designed to be accessible only by the organization's members, employees, or others with authorization.

Peer-to-Peer (P2P) File Sharing

____________ file sharing allows people to share files with each other without having to store and download them from a central server.

intermediary

_____________ devices connect the individual end devices to the network. Note: These devices can also can connect to one another to form an internetwork (connecting one network to another).

Social Media

__________________ consists of interactive websites where people and communities create and share user-generated content with friends, family, peers, and the world.

Cloud computing

____________________ is another global trend changing the way we access and store data.