ITEC Networking & Immersive Reality

Select the statements that are true regarding a Wi-Fi's SSID.

-An SSID is the Wi-Fi's name.An SSID is the Wi-Fi's name. Correct -Most routers transmit the SSID every few seconds so roaming devices can find the signal.Most routers transmit the SSID every few seconds so roaming devices can find the signal. Correct -In home networks, after all legitimate devices have connected to the SSID once, transmitting the SSID is unnecessary.

Which of the following are the functions of a mobile switching station?

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

Select what's true regarding dual band routers

-minimizes the impact of interference from microwave ovens and car alarms -can transmit Wi-Fi signals in the 5.0 GHz frequency range -can transmit Wi-Fi signals in the 2.4 GHz frequency range

The fastest growing Internet Service Provider media is __

Cellular

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

MAC

Broadband is usually measured in __.

Mbps

A signal transmitted every few seconds by a wireless router so that user's computers can find identify the Wi-Fi hotspot is called a(n)

SSID

The device that allows several computers to use your home network with just one Internet connection is called a ___.

Switch

In order to change sound waves into digital signals, smartphones contain an _____ to digital converter (DAC

analog

The devices inside your phone that convert analog waves (such as sound waves) into digital signals that your phone can process are called

analog-digital converters

A computer that requests 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 (or software) that make requests are called _____.

client

Smartphones are computers and can only process digital data. For this reason, all incoming sound waves must be changed to digital signals.

digital-analog converter

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

how much data you currently use.

Cell phones send and receive extremely weak _____ signals to and from cell towers.

microwaves

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

modem

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

if you are in an area where your home network does not have any cell coverage, but you are still able to make a call, you are probably:

roam

Your___provides firewall protection for your home network. It connects your home network to your ISP's network.

router

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

service speed network size/coverage pricing

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

Select the challenges that are associated with implementing an Augmented Reality system.

-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. -Managing the large amount of visual input and output.

Select the statements that are true regarding switches.

-Switches connect computers and other devices within a network. -Switches are usually integrated in the routers of home networks. -Switches ensure that correct data is transferred to and from the appropriate devices in networks

Which of the following are examples of EFT transaction?

-Using your debit card to purchase gas -Direct deposit of your paycheck -Automated teller machine (ATM) withdrawal of cash to use to buy a concert ticket

Which two of the following 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 Internet Corporation for Assigned Names and Numbers (ICANN).

List in order the steps required to install a home Wi-Fi network.

1. Connect the incoming Internet signal to the modem provided by your ISP. 2.Plug in the modem's electrical cord and turn on the modem. 3.Connect the modem to the router using a high-quality Ethernet cable (if required, some modems include integrated routers). 4.Plug in the router's electrical cord and turn on the router (if necessary). 5.Turn on your computer and locate your new Wi-Fi signal.

Often IP addresses are structured and assigned by a service called a(an) _____ or by a network administrator.

DHCP

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

Data plan charges Taxes and surcharges Line charges

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.

EFT, Electronic funds transfer

Which technology allows the electronic communication of business-oriented transactions and information between people and organizations?

Electronic data interchange (EDI)

Every computer connected to a network has a network interface card that contains a unique ___ address, allowing the switch to identify it. Multiple choice question.

MAC

A _____ is 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

Network

Your home network's Wi-Fi name is its ___, and is transmitted by your wireless router every few seconds unless you turn it off.

SSID

The original protocol (standard) for Wi-Fi security that was widely introduced in 1999 but replaced in 2003 was known as ___.

WEP

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

WPA

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

WPA2

Select the answer that best finishes this sentence:The standard for wireless network privacy and protection is known as _____.

WPA2

The integration of digital information with the user's environment in real time is called __________.

augmented reality

Which transmission media has the largest bandwidth?

fiber optic

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

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.

host

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

more expensive.

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

Authentication