Answer:
Closure
Explanation:
The relational operators have the property of closure ; that is, the use of relational algebra operators on existing relations (tables) produces new relations.
Answer:Denial of service
Explanation:Denial of service is the type of attack that is caused to the computer attacks. These attacks basically cause the circumstances such as difficulty in accessing of the website or resource, accessing particular computer system , creation of the traffic in network, This attack occurrence stops or create difficulties for the legal person to access the network .
Therefore, there is the occurrence of the Denial of service(DoS) in the bank's computer network.
The switch and network equipment modular connectors which have replaced gigabit interface converter as the modular connector of choice is small form - factor pluggable, abbreviated as SFP. It is hot swappable like GBICs but takes up very much less space and support all the networking standards that GBICs support.