What is a key feature of CDMA technology?

Assigns unique code to every call

Uses a single frequency for all calls

Requires a SIM card for operation

Uses time slots for call transmission

What does GSM stand for in cellular technologies?

Global System for Mobile Communications

General System for Mobile Communications

Global Service for Mobile Communications

General Service for Mobile Communications

What is the purpose of a SIM chip in GSM technology?

To contain the subscriber's information

To store the phone's operating system

To enhance the phone's battery life

What does MIMO stand for in the context of 5G technology?

Multiple-Input, Multiple-Output

Multiple-Internet, Multiple-Operation

What is one of the functions of MIMO in 5G networks?

Sends multiple frames via multiple antennas over multiple paths

Sends a single frame via a single antenna

Sends data through a single path

Sends frames via a single antenna over multiple paths

What does MU-MIMO allow in a network?

Allows multiple users/devices to transmit at once

Allows only one user/device to transmit at a time

Allows multiple users to receive but not transmit

Allows only one device to receive data

What does a wireless local area network (WLAN) use to enable wireless communication between devices?

High-frequency radio signals/infrared

What can a wireless sniffer do in a WLAN?

Read packets sent to wireless AP and fake an approved MAC address

What is one way network admins can minimize eavesdropping on wireless networks?

By adjusting the broadcast signal using an antenna

By installing antivirus software

Why is antenna placement important in wireless security?

It ensures good security and connection for authorized users

It increases the speed of the internet

It reduces the cost of the network

It allows more devices to connect

What should be considered when setting the power level of a wireless signal?

It should be balanced to avoid giving access to malicious actors

It should be as high as possible

It should be set to the minimum to save energy

What can happen if the wireless signal is too weak?

It causes unstable connectivity

It leads to faster internet speeds

It allows more devices to connect

What is the primary purpose of wireless client isolation on a Wi-Fi network?

To prevent clients from communicating with one another

To allow clients to communicate with each other

To enable clients to access local network resources

To increase the speed of the network

How does isolation help protect devices on a network?

By preventing malicious actors from attacking devices

By allowing all devices to communicate freely

By increasing the network speed

By sharing resources among devices

What is a limitation for guest clients on an isolated network?

They can only access the Internet

They can access all network resources

They can communicate with other guests

They can modify network settings

What is the primary authentication protocol mentioned in the document?

Extensible Authentication Protocol (EAP)

Internet Protocol Security (IPsec)

Which standards use EAP to specify authentication type?

Internet Engineering Task Force (IETF)

Institute of Electrical and Electronics Engineers (IEEE)

World Wide Web Consortium (W3C)

What do WPA and WPA2 use for authentication?

Hypertext Transfer Protocol Secure (HTTPS)

What is the primary function of geofencing in network policies?

To apply network policies using boundaries

What role does Mobile Device Management (MDM) play in geofencing?

It affixes geofencing settings so users cannot change/disable restrictions

It speeds up internet connection

In what way is geofencing supported in phone cameras?

It disables the camera in certain locations

How does geofencing authenticate network users?

By checking their internet speed

By monitoring their screen time

What is a primary function of a captive portal?

To display a web page asking for a username and password

To provide free internet access without authentication

What does a server do in a captive portal system?

It stores a list of authorized users

What additional options might a captive portal feature?

Acceptable use policies, terms of service, and/or pricing

Which of the following devices can increase network risk?

Smart refrigerators and smartwatches

Why is it important to know the number of connected IoT devices?

To reduce electricity consumption

What is a benefit of maintaining a detailed log of each IoT device and its location?

It helps in reducing device costs

It improves device battery life

Why is updating default passwords on IoT devices mandatory?

To enhance device sound quality

What is throughput in the context of network data transmission?

The rate at which data travels over a network

The speed at which data is stored

The amount of data that can be stored

Why do wireless devices have different throughput compared to wired devices?

Because of competition for airtime

Due to higher power consumption

Because of lower signal strength

Wireless

Authored by Kevin Rose

Information Technology (IT)

11th Grade

Used 1+ times

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74 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do omnidirectional antennas operate?

Send and receive from one direction

Send and receive from all directions

Only send data

Only receive data

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a characteristic of directional antennas?

Pull signal from all directions

Pull signal from one direction

Shorter range

No range

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of antenna typically has a greater range?

Omnidirectional

Directional

Wireless

None of the above

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What encryption method does WPA use?

AES encryption

RC4 cipher with TKIP

DES encryption

RSA encryption

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the key length used in WPA2 encryption?

64-bit

128-bit

256-bit

512-bit

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which encryption protocol is more secure, WPA or WPA2?

WPA

WPA2

Both are equally secure

Neither is secure

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does CDMA stand for in cellular technologies?

Code-Division Multiple Access

Cellular Data Management Access

Code-Division Mobile Access

Cellular Division Multiple Access

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