Answer:
What are the signs of a computer virus?
Frequent pop-up windows. ...
Changes to your homepage. ...
Mass emails being sent from your email account. ...
Frequent crashes. ...
Unusually slow computer performance. ...
Unknown programs that start up when you turn on your computer. ...
Unusual activities like password changes.
Answer:
B- Workgroup model
Explanation:
A workgroup model can be defined as a process which enables system to be peer together in order to access the resources shared like files and printers at the same time.
In work group microsoft operating systems tend to share files, printers, and even Internet connection among them which is why work group is important especially in a place in which their are various computers with limited files and printer or internet connection.
Answer:
A. the ability to quickly restore service following a service failure and provide compensation.
Explanation:
Systems like servers are bound to fail at some point. This is because, it either has running parts or electronic components that could overheat or get shorted due to external or internal malfunction.
The ability of system to quickly restore services and operation after it experiences a total system failure is called system recovery.
Port Address Translation of NAT allows several hundred workstations to access the internet with a single public internet address.
What do you mean by NAT?
Network address translation (NAT) is a method of mapping one IP address space to another by altering network address information in packet IP headers while they are being routed through a traffic routing device. When a network was moved or when the upstream Internet service provider was switched but could not route the network's address space, the technique was originally employed to avoid the requirement to assign a new address to every site.
Port Address Translation (PAT) is a Network Address Translation (NAT) extension that allows numerous LAN devices to be mapped to a single public IP address in order to save IP addresses.
To learn more about NAT
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