What are the frequency bands in which Wi-Fi networks usually operate and what is the communication protocol followed by these networks? Choose one that is wrong.
A
5GHz/802.11a
B
1800MHz/801.11aj
C
2.4GHz/802.11b
D
Hotspot 2.0/802.11u
1 / 11
volgende
Slide 1: Quizvraag
Mobile ComputingTertiary Education
In deze les zitten 11 slides, met interactieve quizzen en tekstslides.
Onderdelen in deze les
What are the frequency bands in which Wi-Fi networks usually operate and what is the communication protocol followed by these networks? Choose one that is wrong.
A
5GHz/802.11a
B
1800MHz/801.11aj
C
2.4GHz/802.11b
D
Hotspot 2.0/802.11u
Slide 1 - Quizvraag
Select ONE that is incorrect describing roaming capability of mobile network.
A
Movement of the device can be seamlessly track and continuous security provided.
B
It refers to the mobile phone being used outside of the range of its home network.
C
Mobile devices can roam in a local network only.
D
ability to connect to another available cell network seamlessly.
Slide 2 - Quizvraag
Select ONE that correctly defines the term Mobile Computing.
A
Computers or devices that are mobile.
B
Enable people to carry devices anytime and anywhere they go.
C
Computers that have Internet connections.
D
The user will be able to access data and information from any devices in any network while on the move.
Slide 3 - Quizvraag
The basic concept of Wireless Communications involves the following two devices. It requires receivers and _________.
A
Transmitters
B
Bluetooth
C
Access Points
D
Radiators
Slide 4 - Quizvraag
Select ONE device that does not utilize radio frequencies to transmit information.
A
Computer Monitor
B
Television
C
AM/FM Radio
D
Microwave Oven
Slide 5 - Quizvraag
Types of frequencies that require regulatory approval before deployment and consumers have to pay to use them. Select ONE that is correct.
A
Free WiFi
B
Licensed Frequencies
C
Unlicensed Frequencies
D
(Industrial, scientific and
medical (ISM) radio bands)
Slide 6 - Quizvraag
What do you know about the intersection of these two wireless waves signal propagation?
Slide 7 - Tekstslide
Referring to the diagram shown in the previous slide. Select ONE that is correct.
A
Intersection
B
Interference
C
Interrelated
D
Intercross
Slide 8 - Quizvraag
It is described as providing low delay, low bandwidth variability. Select ONE of the followings that matches the above description.
A
Wireless Network
B
3G Network
C
Wired Network
D
Bluetooth
Slide 9 - Quizvraag
Do you know?
Who is this person?
Slide 10 - Tekstslide
Who is the inventor of the first practical telephone used across the globe?