computer ch 10

wifi

802.11 is a series of standards to identify ______ networks.

TRUE

A BAN is a type of PAN that wirelessly connects sensors worn by, carried by, implanted in, or attached to a human body.

TRUE

A WAN can be one large network or can consist of multiple LANs.

MAN

A city or town likely uses a(n) ______.

TRUE

A home network can be as simple as using a cable to connect two devices.

LAN

A home or school likely uses a(n) ______.

Sending

A(n) ______ device initiates an instruction to transmit data, instructions, or information.

VAN

A(n) ______ is a third-party business that provides network services.

Transceiver

An RFID reader is also called a(n) ______.

TRUE

Because of its high transfer rates, UWB is best suited for transmission of large files.

FALSE

Because they are assigned randomly, you cannot use an IP address to determine a computer or device's location.

FALSE

Bluetooth devices need to be within the same line of sight.

TRUE

Bluetooth technology is standardized globally, so it can be used to connect devices that are not of the same make or model.

architecture

Client/server and P2P are two types of network ______.

FALSE

Coaxial cable is capable of carrying significantly more signals than fiber-optic cables.

Node

Each computer or device on a network is called a(n) ______.

FALSE

Ethernet is a network standard that specifies that computers and devices on the network share or pass a special signal in a unidirectional manner and in a present order.

TRUE

FTTP uses fiber-optic cable to provide extremely high-speed Internet access to a user's physical permanent location.

FALSE

Files on an intranet generally are also accessible from the Internet.

allow customers to pay online

For what purpose would a company use an extranet?

To send bids and proposal

For which of the following purposes would a business use EDI?

fractional

Home and small business users purchase ______ T1 lines, in which they share a connection with others.

FALSE

Larger networks typically use a switch, while smaller networks use a hub

packet

On networks that use TCP/IP, ______ software can detect problems, such as why traffic is flowing slowly.

FALSE

P2P networks share a common file server.

VoIP

Skype and FaceTime are examples of ______ services.

TRUE

Some DSL installations include a dial tone, providing users with both voice and data communications.

TRUE

Some smartphones can also function as a wireless modem.

TRUE

Sometimes communications devices are preprogrammed to accomplish communications tasks.

PAN

To connect devices within your workspace, use a ______.

NIC

To enable a compute or device that does not have built-in networking capability, use a(n) ______.

UPLINK

Transmission from an earth-based station to a satellite is a(n) ______.

to propose, develop, and approve network standards

What is the purpose of ANSI and IEEE?

FALSE

When you use a network to share software, you sometimes have to install the software on your computer, and a server on the network manages the licenses.

When cyberthieves exploit Bluetooth devices that are paired

Which of the following best defines Bluebugging?

When a network reduces upload and download speeds of high-data users at peak times

Which of the following best defines throttling?

For successful communications, the devices must not touch or come within 6 inches of each other.

Which of the following is NOT true about NFC?

Devices only support one Wi-Fi standard.

Which of the following is NOT true about Wi-Fi networks?

Client/server networks do not typically require a network administrator.

Which of the following is NOT true about client/server networks?

For the best signal, manufacturers recommend positioning the WAP at the lowest possible location.

Which of the following is NOT true about wireless access points?

If a device has Bluetooth capability, using Bluetooth technology is free.

Which of the following is TRUE about Bluetooth?

communications channel

Which of the following is another term for transmission media?

IrDA

Which of the following is most likely to be used by a remote control?

NFC

Which of the following is most likely to be used for mobile phone payments?

LTE

WiMax and UMB are competing standards for ______.

TRUE

With MMS, users can send and receive photos, videos, and audio files.

FALSE

With P2P file sharing, when a user signs out of the network, others can still access the user's hard drive.

TRUE

Without a data plan, you must use Wi-Fi or a wired connection to access the Internet.

light waves

You have been chosen as a teaching assistant in your networking class. Your instructor asks you to prepare a presentation on network standards. You mention in your report that IrDA uses ______ to transfer data wirelessly.

When a computer sends data over the internet, the data is grouped into a single packet.

You have taken a new job as a network administrator. Although you have been an IT professional within your organization for a number of years, this particular responsibility is a new one for you, so you have been studying network standards and protocols. You learn that all of the following are true about TCP/IP EXCEPT:

More than one token can exist on a token ring network

You have taken a new job as a network administrator. Although you have been an IT professional within your organization for a number of years, this particular responsibility is a new one for you, so you have been studying network standards and protocols. You learn that all of the following are true about token ring networks EXCEPT:

Ethernet

______ is currently the most popular network standard for LANs.

microwave

______ transmission often is called fixed wireless.

GPS

Mapping, monitoring speed, and determining altitude all are uses of ______.

Neutrality

Net ______ is the concept of open Internet, accessible to all users, without interference from ISPs or other third-parties.

FALSE

T1 lines have faster transfer rates than T3 lines.

TRUE

The CATV signal enters a building through a single line, usually a coaxial cable.

WAN

The Internet is the world's largest ______.

FALSE

The main difference between network classifications is the number of computers and devices connected to it.

TRUE

The process in which two or more computers or devices transfer data, instructions, and information is known as digital communications.

IrDA

You have been chosen as a teaching assistant in your networking class. Your instructor asks you to prepare a presentation on network standards. You mention in your report that the ______ standard requires line-of-sight transmission.

token ring

Which of the following is most likely to be used by a LAN?

TRUE

Routers along the Internet backbone forward data packets to their destination using the fastest available path.