Answer:
Depending on the error message which Alice get but what could have gone wrong is perhaps firewall issue.
Explanation:
There are lots of probable reason why Alice could not access her files during the weekend but below are some common reasons:
Firewall issue: Maybe Alice has her firewall turned on unknowingly as it is known that firewall do block such types of connection except it is explicitly allowed from the firewall settings. Another issue might be that, Alice ISP uses firewall.
FTP programs Setting: Perhaps there is a settings which Alice has not activated in the FTP program that she is using.
All modern technology has things to help disabled people
Answer:
Another way to block all inbound packets is to use the firewall layer of the circuit.
Explanation:
The firewall circuit layer is a firewall containing a table with four fields, mainly such as source port, destination port, source IP address, and destination IP address.
They are containing mainly the addresses or the ports that need to be blocked.
So we want to block all inbound packets, and also set the source port to 23 while the rest is set to zero, meaning that all inbound packets are blocked.
Answer:
The answer to this question is given below in this explanation section.
Explanation:
"cyber security"
cyber security refers to the body of technologies,Processes and practices designed to protect networks,devices,programs and data from attack,damage or unauthorized access.Cyber security may also be referred to as information technology security.
Importance:
Cyber security is important because government financial and medical organization collect process and store unprecedented amounts of data on computer and other devices.A significant portion of that data can be sensitive information,whether that be intellectual property financial data personal information or other type of data for which unauthorized access or exposure could have negative consequences.organizations transmit sensitive data across network and to other devices in the course of doing business,and cyber security describes the discipline dedicated to protecting that information and the systems use to process or store it.
Challenges of cyber security:
For an effective cyber security an organization needs to coordinates its effort throughout its entire information systems.Elements of cyber components all the following:
- Network security
- Application security
- Endpoint security
- Data security
- Identity management
- Database and infrastructure security
- cloud security
- Mobile security
Managing cyber security:
The national cyber security alliance,through recommends a top down approach to cyber security in which corporate management leads the change in prioritizing cyber security management across all business practices. NCSA advises that companies must be prepaid to response to the inevitable cyber incident restore normal operations,and ensure that company assets and the company reputation are protected.
Ancient mode of transmission are used by people in the past while modern mode of transmission are used by present people
