ITEC

What are some characteristics of networks?

Allows users to share resources which saves money and time Allow users to access other networks and the internet Provide the ability to share files and information

The capacity of a particular transmission medium is called its

Bandwidth

select the characteristics of microwaves

Capable of transmitting Internet signals over long distances Used to transmit internet signals where wires may be impractical Used to transmit Internet signals to and from satellites

Of the following choices, which Ethernet cable has the most bandwidth?

Cat 7

Select the functions of a mobile switching station

Changes the cell and base station your transmissions go through as you travel Sends your call to the receiver's MSS Assigns frequencies to your calls

Used by the PSTN ___ Switching creates a dedicated physical path to send and receive information

Circuit

A computer that request resources such as a web page, spreadsheet, image file, or services from another computer on a network is called a ___

Client

In a server-based network the individual computers and devices are called ___

Clients

The technology allows for the electronic communication of business oriented transactions and information between people and organizations is called Electronic ___ Interchange

Data

Most routers are designed to broadcast their waves slightly

Down

The internet includes a large variety of servers including

Email Servers Web servers File servers

Select the characteristics of cellular service

Fastest-growing ISP Allows mobile devices to access the Internet Many smartphones can convert cellular signals into Wi-Fi signals

A ___ is a security systen seperating two networks or even computers on the same network

Firewall

A switch distinguishes between various devices within a network by their ____ addresses

MAC

A switch tracks which device within a network sent a request based on the device's ___ address

Mac

Select the challenges that are associated with implementing an augmented reality system.

Managing the large amount of visual input and output Designing hardware that can produce the processing power required to handle the enormous amounts of data produced Designing high resolution screens with large enough viewing areas.

Radio waves that transmit Internet signals to and from satellites in space are called ___

Microwaves

Because it locates cellular devices, assigns frequencies, transmits signals to the correct sites, the ___ is probably the most important part of ant cellular network

Mobile switching station

The medical field uses AR to aid surgeons by projecting virtual ___ of the patient's anatomy into the surgeon's field of view during procedures.

Models

Fiber-optic cable is ___expensive than coaxial (television) cable to install.

More

IP addresses are assigned by the Internet Corporation for Assigned Names and ___

Numbers

Packet switched networks break information into units called ___

Packets

A virtual ___ network (VPN) created a secure connection between 2 computers.

Private

After you phone's analog-digital converter chip changes the sound of your voice to a digital signal, the signal is enhanced by a digital signal ___

Processor

Wi-fi waves are basically ___ waves

Radio

The device that connects 2 networks and often provides firewall protection is a

Router

The device that divides and connects two networks is a ___

Router

Your ___ can provide hardware firewall protection for your home network where it connects to the ISP's network, just as ISP networks have firewalls where they connect to the Internet.

Router

A signal transmitted every few second by a wireless router so that user's computers can find identify the Wi-Fi hotspot is called an ___

SSID

A computer that provides resources and services to client computers is a ___

Server

Sometimes called an MSC server, the mobile ___ station identifies your phone's signal so that you can receive calls

Switching

The cell tower's base transmission station is connected to a mobile___

Switching

In education, AR applications are being developed which embed ___, images, and videos in many unique ways

Text

The specific means by which your internet signal is carried is called its ___ media

Transmission

Select the characteristic of a router.

Usually incorporate switches Provide hardware firewall protection Connect networks

In addition to activating ___ protection, it is also a good idea to disable your router's SSID transmission once your devices are connected

WPA2

Select the statements that are true regarding IP addresses

When you purchase your internet service from an ISP you receive the right to use their block of assigned addresses IP addresses are assigned by the ICANNN

Cell towers are connected to ___

base transceiver stations

Telephone wire has ___ bandwidth than television cable

less

The word modem stands for

modulator-demodulator

Unlike circuit switching, data transfer with ___ doesn't rely on a dedicated physical path.

packet switching

A cell phone tower is connected to a base ___ station that transmits weak microwave signals through the tower's antennae to create "cells" of coverage

transceiver

Select what's true about packet switching

Addressing information and data are included en each packet The internet uses packet switching to transfer data and information between host All packets are routed through a network based on the associated address information

Select what's true about how IP addresses are determined.

All hosts on the same network share the same established network addresses, but are assigned a unique host number. Often IP addresses are structured and assigned by a service called Dynamic Host Configuration protocol An IP address is determined by the network on which it is hosted

Select what's true about augmented reality

Augmented reality is the integration of digital information with the user's environment in real time. Unlike virtual reality, which creates a totally artificial environment, augmented reality uses the existing environment and overlays new information on top of it. It is used to create the 1st down lines during the television broadcast of football games.

The amount of data that a transmission media can carry in a given amount of time is called the media's

Bandwidth

An Internet signal that has enough bandwidth to allow multiple computers to be connected to the same router is called a ___ signal.

Broadband

If you want to connect several devices in your home network to the same internet signal you'll need a ____ connection

Broadband

Select the true statements regarding dual band routers

Can transmit 2.4 GHz frequency range Can minimize the WiFi signal's interference from microwave ovens and car alarms Can transmit WiFi signals in the 5.0 GHz frequency range

An IP address is determined by the network on which it is ___

Hosted

When you request information from a website such as Wikipedia, the way its server knows which router to send the requested information to is because your router is identified by its ___ address

IP

Select what's true about client/server networks.

In this type of network when a client request information or access to the internet the request is controlled by the server Server-based networks are designed to have individual computers and devices connected to the network interact through a central server computer. Server-based models are popular because they provide more security than a peer-to-peer network.

The largest WAN on the earth is the ___

Internet

The network portion of an IP address which is also called the ___ identifier is indicated by a certain number of bits, starting with the left most bit

Network

The device in a network that keeps track of connected devices Mac addresses and is usually incorporated in a router is the ___

Switch

The device that allows several computers to use your home network with just one internet connect is called a

Switch

select what's true about WAN

The largest WAN on the Earth is the Internet When two or more Lans have been connected using a public network a WAN is created Large organizations with many offices located across the globe often have individual LANs in each location that need to be connected in order to share data and information.

Which of the following is true regarding Wi-FI?

Transmission connections are known as "hotspots" Multiple devices can be connected to one signal Transmit Internet signals via radio waves

Select the statements that are true regarding switches

Usually integrated in the routers of home networks Ensure correct data is transferred to and from the correct computers in networks Connect computers and other devices within a network

The original protocol for WiFi security that was widely introduced in 1999 but replaced in 2003 was known as

WEP

If you want to connect several devices in your home network to the same Internet signal you'll need a ___ connection

broadband