WorksheetsWireless
Total questions: 74
Worksheet time: 37mins
How do omnidirectional antennas operate?
Send and receive from one direction
Send and receive from all directions
Only send data
Only receive data
What is a characteristic of directional antennas?
Pull signal from all directions
Pull signal from one direction
Shorter range
No range
Which type of antenna typically has a greater range?
Omnidirectional
Directional
Wireless
None of the above
What encryption method does WPA use?
AES encryption
RC4 cipher with TKIP
DES encryption
RSA encryption
What is the key length used in WPA2 encryption?
64-bit
128-bit
256-bit
512-bit
Which encryption protocol is more secure, WPA or WPA2?
WPA
WPA2
Both are equally secure
Neither is secure
What does CDMA stand for in cellular technologies?
Code-Division Multiple Access
Cellular Data Management Access
Code-Division Mobile Access
Cellular Division Multiple Access
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 store the phone's operating system
To contain the subscriber's information
To enhance the phone's battery life
To improve call quality
What is another name for Long-Term Evolution (LTE)?
3G cell service
5G cell service
4G cell service
Wi-Fi service
What is the maximum connection speed of LTE?
2 Mbps
100 Mbps
1 Gbps
10 Gbps
Which technology has a bandwidth range of 200 to 1000 Mbps?
3G
4G
5G
Wi-Fi
Which standard is associated with 5G technology?
WCDMA
CDMA-2000
OFDM
WiMAX
What does MIMO stand for in the context of 5G technology?
Multiple-Input, Multiple-Output
Multi-Internet, Multi-Output
Multi-Input, Multi-Operation
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?
Low-frequency radio signals
High-frequency radio signals/infrared
Bluetooth signals
Satellite signals
How can a WLAN be secured?
Password encryption
MAC filtering
Firewall installation
VPN connection
What is involved in identifying devices for WLAN security?
IP address verification
MAC address identification
DNS server check
Port scanning
What can a wireless sniffer do in a WLAN?
Encrypt data packets
Read packets sent to wireless AP and fake an approved MAC address
Block unauthorized devices
Increase signal strength
What is one way network admins can minimize eavesdropping on wireless networks?
By using a firewall
By adjusting the broadcast signal using an antenna
By installing antivirus software
By using a VPN
Why is antenna placement important in wireless security?
It increases the speed of the internet
It ensures good security and connection for authorized users
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 as high as possible
It should be balanced to avoid giving access to malicious actors
It should be set to the minimum to save energy
It should be adjusted daily
What can happen if the wireless signal is too weak?
It leads to faster internet speeds
It causes unstable connectivity
It increases security
It allows more devices to connect
What is the primary purpose of wireless client isolation on a Wi-Fi network?
To allow clients to communicate with each other
To enable clients to access local network resources
To prevent clients from communicating with one another
To increase the speed of the network
What can clients access when wireless client isolation is enabled?
Local network resources
The Internet only
Other clients on the network
Network printers
How does isolation help protect devices on a network?
By allowing all devices to communicate freely
By preventing malicious actors from attacking devices
By increasing the network speed
By sharing resources among devices
What does guest network isolation create?
A shared network for all users
A separate guest network
A faster network connection
A public network for everyone
What is a limitation for guest clients on an isolated network?
They can access all network resources
They can communicate with other guests
They can only access the Internet
They can modify network settings
What is the primary authentication protocol mentioned in the document?
Secure Sockets Layer (SSL)
Extensible Authentication Protocol (EAP)
Transport Layer Security (TLS)
Internet Protocol Security (IPsec)
Which standards use EAP to specify authentication type?
Internet Engineering Task Force (IETF)
Request for Comments (RFC)
Institute of Electrical and Electronics Engineers (IEEE)
World Wide Web Consortium (W3C)
What do WPA and WPA2 use for authentication?
Secure Shell (SSH)
Hypertext Transfer Protocol Secure (HTTPS)
Several EAP types
File Transfer Protocol (FTP)
Which of the following is NOT an EAP type used by WPA and WPA2?
EAP-FAST
EAP-TLS
EAP-TTLS
EAP-SSL
What do Pre-shared keys (PSKs) provide for authentication?
128-bit combination
256-bit combination
512-bit combination
1024-bit combination
What is the primary function of geofencing in network policies?
To enhance device speed
To apply network policies using boundaries
To increase battery life
To improve camera quality
How does geofencing enforce policies for restricted use?
By using device GPS location
By increasing data usage
By disabling Wi-Fi
By enhancing screen brightness
What role does Mobile Device Management (MDM) play in geofencing?
It enhances camera resolution
It affixes geofencing settings so users cannot change/disable restrictions
It increases battery life
It speeds up internet connection
In what way is geofencing supported in phone cameras?
It improves photo quality
It disables the camera in certain locations
It increases zoom capability
It enhances night mode
How does geofencing authenticate network users?
By checking their internet speed
By verifying their location
By analyzing their data usage
By monitoring their screen time
What is a primary function of a captive portal?
To provide free internet access without authentication
To display a web page asking for a username and password
To block all internet access
To enhance internet speed
What does a server do in a captive portal system?
It deletes all user data
It stores a list of authorized users
It provides unlimited access
It slows down the connection
What additional options might a captive portal feature?
Free software downloads
Acceptable use policies, terms of service, and/or pricing
Unlimited data usage
Automatic virus scanning
What happens to users after a certain amount of time in a captive portal?
They receive a reward
They are logged out
They gain administrator access
They are given more data
Which of the following devices can increase network risk?
Smart refrigerators and smartwatches
Desktop computers and laptops
Printers and scanners
Televisions and radios
Why is it important to know the number of connected IoT devices?
To reduce electricity consumption
To boost security
To improve internet speed
To enhance device performance
What is a benefit of maintaining a detailed log of each IoT device and its location?
It helps in reducing device costs
It helps keep a record
It improves device battery life
It increases device speed
Why is updating default passwords on IoT devices mandatory?
To increase device speed
To prevent unauthorized access
To improve device aesthetics
To enhance device sound quality
What is the purpose of updating IoT device firmware?
To add new features
To patch known device flaws
To increase device size
To change device color
What is throughput in the context of network data transmission?
The speed at which data is stored
The rate at which data travels over a network
The amount of data that can be stored
The delay in data transmission
Why do wireless devices have different throughput compared to wired devices?
Due to higher power consumption
Because of competition for airtime
Due to larger data packets
Because of lower signal strength
Which 802.11 standard has a transmission speed of 300 Mbps?
802.11b
802.11a
802.11n
802.11ac
What is the transmission speed of the 802.11ac standard?
54 Mbps
300 Mbps
1 Gbps
3.5+ Gbps
Which of the following factors affect communication speed/throughput?
Distance
Temperature
Humidity
Color
What can be used to find speed issues in communication networks?
Bandwidth speed testers
Color charts
Temperature sensors
Humidity meters
Which of the following factors can affect the quality of communication signals due to distance?
Color of the walls
Material of building walls
Type of flooring
Height of the ceiling
What is the maximum distance for the 802.11n wireless standard?
50 feet
115 feet
175 feet
150 feet
Which wireless standard has a maximum distance of 150 feet?
802.11b
802.11a
802.11g
802.11ac
What does RSS stand for in the context of signal strength?
Received Signal Strength
Radio Signal Source
Remote Signal System
Random Signal Strength
What governs the received signal strength (RSS)?
The color of the antenna
The transmission power between transmitter and receiver
The distance to the nearest cell tower
The type of device used
What is the RSS indicator used for?
To measure the speed of the internet
To estimate the power level received by a client device from an access point
To determine the battery life of a device
To calculate the data usage of a network
What does Effective Isotropic Radiated Power (EIRP) measure?
Power from an antenna in all directions
Power from an antenna within a single direction
Power loss in a transmission line
Power efficiency of an antenna
How does an isotropic antenna distribute power?
Unequally in all directions
Equally in all directions
Only in one direction
Randomly in multiple directions
When is power computed as the EIRP value?
When power is lost in a transmission line
When power is channeled to multiple directions
When power is channeled to a single direction
When power is not transmitted
In which direction is the highest energy found according to EIRP?
In the direction with minimum gain
In the direction with maximum gain
In all directions equally
In the opposite direction of the antenna
What affects the optimum EIRP power settings?
The color of the antenna
The size of the antenna
The presence/absence of deficiencies in the power transmission line
The material of the antenna
What type of antenna receives and transmits in any direction?
Omnidirectional antenna
Yagi antenna
Parabolic antenna
Dipole antenna
Which type of antenna focuses power in one direction and has a greater range?
Omnidirectional antenna
Yagi antenna
Loop antenna
Log-periodic antenna
What is the term for antenna transmission orientation?
Direction
Frequency
Polarization
Amplitude
What does antenna placement depend on?
Weather conditions
Project/site requirements
Antenna size
Signal strength
What is polarization in the context of radio waves?
The frequency of the wave
The amplitude of the wave
The direction of oscillation of the electric field
The speed of the wave
What does channel utilization indicate in antenna considerations?
The number of devices connected to the network
The amount of wireless traffic the AP receives from all sources
The speed of the wireless connection
The type of wireless devices used
What is AP association time?
The time it takes for a device to connect to the internet
The period it takes for the current AP to be authenticated/associated before connection
The duration of a wireless signal
The time it takes to perform a site survey
What does performing a site survey establish?
The number of users on the network
The scale of networking, coverage areas, wireless device types, speed, and bandwidth
The security level of the network
The cost of setting up the network
