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WorksheetsCommunication Technologies
Total questions: 18
Worksheet time: 9mins
Ad-hoc networks are commonly used in large organisation LANs.
True
False
Which two of the following are benefits of ad-hoc networks?
Easier to connect devices together to set up the network.
Faster as ad-hoc networks support greater data transfer speeds.
Greater security as it is harder for malicious users to connect to the network.
Less expensive due to not requiring a central access point.
What is tethering?
A public wi-fi hotspot that can be found in many places like restaurants, cafés and hotels, typically not requiring a password to access.
A connection between a device and a central access point, such as a router, in order to access the internet.
A network of multiple devices within the personal area of an individual used to share files between devices.
A device used to create a personal hotspot that other devices can connect to and make use of its internet connection.
What type of encryption is commonly used on open networks?
None
End User Encryption
WPA Encryption
Encryption Keys
Which three of the following are issues that affect ad-hoc network performance?
Reduced security due to lack of encryption.
Harder setup due to difficult connection process.
Slower speeds due to smaller max transfer speed.
Reduced range due to weaker antennas.
Greater interference due to crossed connections.
What factor affects network availability in - Rural areas and developing countries.
Black Spots
Number of Mobile Masts in an area
Location of the Mobile Masts
Black Spots prevent good network signal. What are blackspots?
Rural areas and developing countries often lack the required infrastructure
Cell phone towers may be far away and so signals may not be available
Geographical features, such as mountains and hills can block signals
Cell phone towers may be far away and so signals may not be available to provide network access. This is called.
Black spots
Location of the network
Mobile Network Coverage
Which of the following is not an example of an electronic project management tool?
A. Collaborative work management tools
B. Video and web conferencing
C. Project management software
D. Virtual office support software
What is a Gantt chart?
Messages sent direct to a workers phone
A plan with key milestones and deadlines for each subtask
A set of tasks that need to be completed. Once completed, each task can be ticked off
An electronic form of letter which can contain attachments such as documents or images
Which two are a form of public communication?
Social media
Voice communication
Websites
Which two are positive?
Less paper is used
Employees can be contacted at any time which has an impact on their mental health
When using a cloud-base system, software and files can be accessed outside the office
Files stored on a cloud-based system wont be accessible if the internet connection is lost
All Wi-Fi is secure
True
False
How can you make your Wi-Fi secure
Use a VPN
Use your hot-spot
Don't tell anyone the password
Add a strong password
what are the 2 disadvantages of cloud storage?
Easy to increase the amount of storage available without buying new servers
data stored by a 3rd party company so processes aren't known and less control
It takes a log time to upload or download files
many devices an synchronize to the same files
what are the 2 disadvantages of cloud storage?
Easy to increase the amount of storage available without buying new servers
data stored by a 3rd party company so processes aren't known and less control
It takes a log time to upload or download files
many devices an synchronize to the same files
what is data security?
Keeping information protected from hackers or being leaked
a fix for software which prevents hackers from attacking the systems
copying software to a computer for the first time and applying initial settings
how many tasks a computer system can carry out at once
What is remote working?
working away from home
not working at all
working as a family at home
working away from the office
