Tech 4

Virtual Reality

term use to describe 3D, computer generated environment which can be explored and interacted with by a person.

Installing the printer is the third step in setting up a Wi-FI network at home.

False

1. Sometimes called an MSC server, the _____ identifies your phone's signal so that you can receive calls. 2. The cell tower's base transmission station is connected to a mobile ____ station 3. Changes the cell and base station your transmissions go through as you travel 4. Assigns frequencies to your calls 5. Sends your call to the receiver's MSS.

Mobile Switching Station

MetroPCS

T-Mobile

Many 4G and 5G cellular Internet Service Providers offer a device that serves as a hotspot for your home and includes an integrated modem and router.

True

The mobile switching station can connect calls to mobile switching stations belonging to other cellular networks.

True

Sprint, T-Mobile, AT&T, and _____ are the major national cell phone providers in the United States.

Verizon

1. The original protocol (standard) for Wi-Fi security that was widely introduced in 1999 but replaced in 2003 was known as ___. 2. _____ has been replaced by the far more secure WPA2 protocol

WEP (Wired Equivalent Privacy)

The wireless network privacy standard that was introduced in 2003 but was quickly replaced due to vulnerabilities was ___.

WPA (Wi-Fi Protected Access)

The standard for wireless network privacy and protection is known as _____.

WPA2 (Wi-Fi Protected Access 2)

Because of the significant costs of data packages and other smartphone expenses, calling and _____ charges tend to be among the least expensive costs of owning a cell phone.

texting, sms, SMS, or messaging

The specific means by which your Internet signal is carried is called its __ media. Examples include fiber optic cable, coaxial (television) cable, twisted-pair (telephone) wire, and Ethernet cable.

transmission media

Telephone wire is also called ____ pair wire.

twisted

1. The technical term for electronic or online banking. _____ uses computers and various technologies in place of checks and other paper transactions to transfer funds from one account to another. 2. Direct deposit of your paycheck 3. Automated teller machine (ATM) withdrawal of cash to use to buy a concert ticket 4. Using your debit card to purchase gas

Electronic funds transfer (EFT)

The most popular network transmission media standard (the cable used) for LANs is _____

Ethernet, ethernet cable, or CAT 7

Because of the large infrastructure cost of building antennae and mobile switching stations, as well as leasing the rights to use radio frequencies, only ____ companies can compete nationally as cell phone providers.

large

1. Capable of sending Internet signals tens of thousands of miles in a straight line _____ are used with satellites 2. Radio waves that transmit Internet signals to and from satellites in space are called ___.

microwaves

Broadband is usually measured in __.

millions of bits per second (Mbps)

The device in a network that coverts analog (wave) signals into binary (digital) signals and vice-versa is

modem (modulator-demodulator)

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

more expensive.

1. The device in a network that keeps track of connected devices' MAC addresses and is usually incorporated in a router is the 2. Connects devices within a network 3. The device that allows several computers to use your home network with just one Internet connection is called a ___.

switch

Which three of the following statements are true regarding how IP addresses are determined?

1. An IP address is determined by the network on which it is hosted. 2. All hosts on the same network share the same established network address, but are assigned a unique host number. 3. Often IP addresses are structured and assigned by a service called a Dynamic Host Configuration Protocol (DHCP).

1. Your home network's Wi-Fi name is its _____ and is transmitted by your wireless router every few seconds unless you turn it off. 2. In home networks, after all legitimate devices have connected to SSID once, transmitting the SSID is unnecessary. 3. Most routers transmit the SSID every few seconds so roaming devices can find the signal. 4. An SSID is the Wi-FI's name.

(SSID) service set identifier

Which three of the following statements are true about LANs?

1. A collection of computers that are connected in a small geographic area such as an office, college campus, or in your home. 2. A home network LAN can consist of two computers, your TV, video game system, and a shared printer. 3. Ethernet is the most popular networking standard for LANs.

Which three of the following statements are true about VPNs?

1. A virtual private network (VPN) creates a secure connection between two computers. 2. People within the organization use VPN software to login to the VPN. 3. VPNs allow for encrypted communications using the Internet as the pathway for data transmission and communication.

Which three of the following items are needed to install a home Wi-Fi network?

1. An Internet signal 2. A router 3. A modem

Dual-band routers

1. Can transmit Wi-Fi signals in the 2.4 GHz frequency range 2. Can transmit Wi-Fi signals in the 5.0 GHz frequency range 3. Can minimize the Wi-Fi signal's interference from microwave ovens and car alarms 4. Routers that can send Internet signals over two distinct frequencies are called

Which following statements are true about troubleshooting a home network?

1. Check to make sure the cables are not damaged and that all cables are properly connected. 2. A device that is not positioned properly can cause weak signals and system issues. 3. A poor signal can be an indicator that the hardware is outdated or improperly positioned. 4. If your network is not working it is a good idea to check the status of the indicator lights. 5. Sometimes firmware updates can occur that can cause a network outage. If you experience trouble you may need to reboot the hardware device.

Which of the following are the characteristics of a base transceiver station?

1. Connected to a cell tower 2. Broadcasts weak microwave signals to create "cells" of mobile coverage 3. Sends phone signals to the cellular provider's mobile switching station (MSS)

Router

1. Connects two networks 2. Provides hardware/ home network firewall protection 3. Usually incorporates switches 4. It connects your home network to your ISP's network.

Which of the following are the expenses found on a typical cell phone bill?

1. Data plan charges 2. Taxes and surcharges 3. Line charges

MAC address

1. Identifies a device within a network Identifies a device within a network 2. A switch tracks which device within a network sent a request based on the device's 3. Every computer connected to a network has a network interface card that contains a unique _____ allowing the switch to identify it.

Which three of the following statements are true about WANs?

1. 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. 2. When two or more LANs have been connected using a public network a WAN or Wide Area Network is created. 3. The largest WAN on earth is the Internet.

Which three of the following are the characteristics of cellular service?

1. Many smartphones can convert cellular signals into Wi-Fi signals 2. Many smartphones can convert cellular signals into Wi-Fi signals 3. Allows mobile devices to access the Internet

Which 3 of the following are true regarding Wi-Fi?

1. Multiple devices can be connected to one signal. 2. Transmit Internet signals via radio waves. 3. Transmission connections are known as hotspots.

Which three of the following are the characteristics of networks?

1. Provide the ability to share files and information 2. Allow users to share resources which saves money and time 3. Allow users to access other networks and the Internet

Which three of the following statements are true about client/server networks?

1. Server-based models are popular because they provide more security than a peer-to-peer network. 2. In this type of network when a client requests information or access to the Internet the request is controlled by the server. 3. Server-based networks are designed to have individual computers and devices connected to the network interact through a central server computer.

Which two of the following sites offer Internet speed test services?

1. TestMy.net 2. Speedtest.net

If you receive both a modem and a wireless router from your ISP, place the following steps in the correct order if you wished to setup a Wi-Fi network.

1. Use cord to connect modem to outlet 2. Use enternet cord to connect modem to router 3. Turn on computer and connect wi-fi

Select what's true about how circuit switching works when you make a traditional land line based phone call

1. When you pick up the receiver which creates an open a connection to the local telephone switch 2. When you dial a number, then the switch connects to other switches along the PSTN. This forms a physically path between your phone and the person you are calling 3. When the cell is received a circuit is established and will remain open for the entire length of your call.

Which three of the following are the common reasons for purchasing broadband Internet service?

1. You have several devices online at the same time. 2. You want to stream music or video. 3. You need relatively high-speed Internet service.

Select characteristic of fiber optic line

1. made of 1 or thousands of fibers 2. hi-speed transmission

When choosing a cell phone provider, factors to consider include:

1. pricing 2. network size/coverage 3. service speed

Largest bandwidth to smallest

8.1 = 2 GHz 7a = 1 GHz 6a = 500 MHz 5e = 100 MHz

Cricket Wireless

AT&T att, ATT, or AT and T

TracFone

America Movil

Remote access connections must be secured using authentication and encryption software. ______ software confirms the identity of the user or computer system.

Authentication

Which 3 of the following are commonly used Internet transmission media?

Coaxial (TV) cable Telephone wire Wi-Fi radio waves

The largest WAN on the earth is the

Internet

1. Servers identify your router by its __ address. 2. 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 _____ 3. When you purchase your Internet service from an ISP you receive the right to use their block of assigned addresses. 4. IP Addresses are assigned by the Internet Corporation for Assigned Names and Numbers (ICANN).

Internet Protocol (IP)

If your Internet download or upload speeds are lower than advertised, contact your _____

Internet Service Provider

Which two of the following are characteristics of fiber-optic lines?

Made of one or thousands of fibers High-speed transmission

The integration of digital information with the user's environment in real time is ____

augmented reality

1. The amount of data that a transmission media can carry in a given amount of time is called the media's ___. 2. The volume of data that can be carried on an Internet transmission media in an amount of time is called __.

bandwidth

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

broadband conneciton

The fastest growing Internet Service Provider media is __.

cellular Internet service

1. A computer that requests resources such as a web page, spreadsheet, image file, or services from another computer on a network is called a _____. 2. In a server-based network the individual computers and devices (or software) that make requests are called _____.

client

Television cable is also known as

coaxial/ coax cable

1. Being able to surf the Web, watch videos, and listen to streaming audio is why cell service with a(n) ____ is extremely popular in the United States. 2. The bandwidth required by streaming video offered by companies such as Hulu and Netflix made unlimited _____ relatively expensive. 3. select methods of connecting a smartphone to the internet _____

data plans

1. Smartphones are computers and can only process digital data. For this reason, all incoming sound waves must be changed to digital signals. This is done by a 2. The devices inside your phone that convert analog waves (such as sound waves) into digital signals that your phone can process are called __________.

digital-analog (converter, conversion, or convert)

The technology that allows for the electronic communication of business-oriented transactions and information between people and organizations is called _____

electronic data interchange (EDI)

The cable that is most commonly used within a network is called _____ cable and is sold by category (CAT-7, for example).

ethernet

The transmission media with the largest bandwidth is ___.

fiber-optic cable

A __ is a security system separating two networks or even computers on the same network.

firewall

1. The _____ portion of an IP address is indicated by the remaining bits that are present after the network identifier and identify the host of the network. 2. An IP address is determined by the network on which it is

host hosted/ assigned

A public Wi-Fi site is referred to as a ___ A Wi-Fi connection is often referred to as a ___

hotspot/ hot spot/ internet hotspot

When determining how much cell phone data you need it is important consider

how much data you currently use

1. 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. 2. A group of two or more devices/computers connected together to allow for the exchange and information and for the sharing of resources such as printers is called a _____

network

IP Addresses are assigned by the Internet Corporation for Assigned Names and _____ ((ICANN))

numbers

1. If you do not want to sign a long-term contract, you might choose to purchase a 2. If you just need a phone for emergencies, you might consider which of the following? 3. useful if you just need phone for calling or texting

prepaid, pay-as-you-go, burner, or prepay phone

A virtual _____ network (VPN) creates a secure connection between two computers.

private

Sometimes called "cell phone carriers" or "mobile network operators," cell phone _____ sell subscriptions for cellular service.

providers, provider, or companies

IT professionals spend a lot of time protecting networks from unauthorized connections from outside into a LAN. However, there are times when it is necessary to allow outside connections to a LAN. This is referred to as _____

remote access

1. If you are in an area where your home network has no cell coverage, you may need to use the cellular network of a different provider. This is called _____ 2. Sometimes, particularly when travelling, you may find yourself in an area where your home network has no cell coverage, but another network does have service. Using a different network is referred to as _____.

roaming