Bluetooth is primarily used for which type of connections?

b) Ad-hoc or impromptu connections between two devices

a) Long-range, high-speed connections

c) Connecting devices to the internet

d) Wide area network connections

Which of the following is NOT a main purpose of Wi-Fi?

a) Connect devices to the internet

c) Provide wireless communication

d) Achieve long-range communication

In the context of Bluetooth, what does pairing mean?

a) Exchange of security features to ensure a safe connection

b) Connecting devices through a physical cable

c) Connecting devices to a Wi-Fi network

d) Exchanging data between devices

Which of the following statements is true about Bluetooth and Wi-Fi?

c) Bluetooth is primarily used for ad-hoc connections, while Wi-Fi is used for connecting devices to the internet.

a) Bluetooth is used for long-range communication, while Wi-Fi is used for short-range communication.

b) Both Bluetooth and Wi-Fi require additional hardware for communication.

d) Bluetooth and Wi-Fi are used interchangeably for the same purposes.

This is the smallest unit of a wireless network. All devices on this can communicate with each other. It is also called a cell.

Independent Basic Service Set (IBSS)

This is a set of stations (STAs) configured in ad hoc mode.

Independent Basic Service Set (IBSS)

This consists of multiple BSSs with a distribution system (DS), in this BSSs that have an overlapping transmission range use different frequencies.

Independent Basic Service Set (IBSS)

A case-sensitive name that specifies a service set (network) to which a wireless device can join or connect to.

Independent Basic Service Set (IBSS)

Transfers data over a radio signal by switching channels at random within a larger frequency band. This allows the data stream to be more unpredictable from outside the network, making it harder to intercept and eavesdrop on. Since it uses multiple channels, it can avoid interference if certain channels are blocked within that frequency.

Frequency hopping spread spectrum(FHSS)

Direct sequence spread spectrum (DSSS)

Orthogonal frequency division multiplexing (OFDM)

Makes the transmitted bandwidth signal wider than the data stream needs. This does this by dividing the data into smaller data chips and then encoding them with extra binary bits. This causes the bandwidth to be larger. Each chip is transmitted on different predetermined frequencies from the sender. The receiver must know the sequence in order to reassemble the data correctly.

Direct sequence spread spectrum (DSSS)

Frequency hopping spread spectrum(FHSS)

Orthogonal frequency division multiplexing (OFDM)

Encodes data over a wireless network using non-overlapping channels. This: Operates on the 5 GHz channels 20 MHz wide. These are also called subcarriers. They can transmit multiple signals simultaneously. Has the ability to send and receive data at much higher speeds. Is limited to shorter distances. Is used with the 802.11ac standard and 4G and 5G technologies. Minimizes interference within its range while having a nominal data rate of 54 Mbps.

Orthogonal frequency division multiplexing (OFDM)

Frequency hopping spread spectrum(FHSS)

Direct sequence spread spectrum (DSSS)

Work in peer-to-peer mode. This means that wireless devices do not need an access point to talk with one another. The network card within the wireless devices communicate directly to other network cards.

Ad hoc / Independent Basic Service Set (IBSS)

This network that does not require devices to be in radio range of one another. Smart home devices use the 802.11s standard.

Ad hoc / Independent Basic Service Set (IBSS)

Is a network that contains a wireless router as an access point (AP) and enables devices to connect with one another using radio signals.

Ad hoc / Independent Basic Service Set (IBSS)

A device that allows for Wi-Fi connectivity on a wired network.

Temporal Key Integrity Protocol (TKIP)

Advanced Encryption Standard (AES)

A security certification program that was developed by the Wi-Fi Alliance to secure wireless signals between devices.

Temporal Key Integrity Protocol (TKIP)

Advanced Encryption Standard (AES)

Encryption that implements a key-mixing feature that only the receiver can unlock.

Temporal Key Integrity Protocol (TKIP)

Advanced Encryption Standard (AES)

Encryption that uses 128-, 192-, or 256-bit key lengths to encrypt and decrypt block-sized messages over a wireless transmission.

Advanced Encryption Standard (AES)

Temporal Key Integrity Protocol (TKIP)

Wireless Networking

Quiz

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Computers

•

University

•

Practice Problem

•

Medium

Senu Eagleu

Used 9+ times

FREE Resource

47 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the generic name for a program that requests information from the internet?

Server

Application

Client

FTP

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the generic name for a computer that sends information to programs that request it?

Server

Application

Client

FTP

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Ports 0 to 1023 are called what?

Registered

Well Known

Ephemeral

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the name of the standard that governs the rules for wireless?

800.10

802.11

900.99

666.66

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the two networking modes are used most often?

Ad Hoc

Infrastructure Mode

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The name of your wifi connection is also known as what?

Server

Client

SSID

Microchip

7.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Which of the following two bands does wireless utilize?

1.4GHz

2.4GHz

4.4GHz

5GHz

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Wireless Networking

47 questions

What is the generic name for a program that requests information from the internet?

What is the generic name for a computer that sends information to programs that request it?

Ports 0 to 1023 are called what?

What is the name of the standard that governs the rules for wireless?

Which of the two networking modes are used most often?

The name of your wifi connection is also known as what?

Which of the following two bands does wireless utilize?

What is the most current wireless extension?

Which of the following connects by putting two devices close to each other?

Which of the following connects by line of sight and is very low speed?

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