[Solved]-1 Home Security System One Line Defense Home Provide Intruders Systems Also Help Protect H Q37226516

software engineering
1. A home security system is one line of defense a home can provide against intruders Such systems can also help protect a home from fire by bringing a home’s smoke detectors under its control. Please model a system that exhibits the following behavior. A system can be off, armed while residents are home, and armed while residents are away. The difference between the latter two states is that while residents are away a monitors are active, induding window and door monitors and internal motion detectors While residents are home, the monitors remain active while the motion detectors are deactivated to allow residents free movement within the home. If a monitor or motion detector detects an intruder, an alarm rings for ninety seconds. This gives residents time to deactivate the system &they were responsible for sounding the alarm. If the alarm is not deactivated then the security system notifies a remote monitoring station of the alarm, and the remote monitoring station informs the local police of the ntruder. The alarm will continue to ring until a legal personal identification code (PIN) is entered and the system is to turn off A user can enter commands to the system using a keypad. All commands must be prefxed with a user’s PIN-if a user arms the security system, they are given a nnety second grace period to leave the house before the armed state goes into effect As mentioned above, the security system is linked to a home’s smoke detectors If smoke is detected, the security system rings a fire alarm (distinct from the intruder alarm) and notifies its remote monitoring station. The remote monitoring station will then notify the local fire department. As with an intruder alert, the fire alarm will continue to ring until a legal PIN is entered and the system is commanded to turn off (10) Develop a use case diagram 20) Develop two use case scenarios for the system. Develop one scenario for two different use cases List alternative flows and exceptions Use the outline we dscussed in class (5) Add “misuse” cases to the use case dagram, and then show how you would mitigate these misuse cases. Use the format discussed in dass and the notes In particular, please develop use case scenarios for the following situations A smoke detector detects smoke in the house – Returming to a house armed in away mode The security system detects an intruder. Setting the security system tomonitor only parts of the house . With respect to the latter use case, assume a situation like the following A person is at home, working late, and intends to use only the office, bathroom, and bedroom that are co-located in one section of the house. Normaly, an alarm mode for in-home use is one in which only the perimeter of the house is monitored, eg window and door sensors are on but motion detectors are deactivated. This use case is one which we would like the house armed with all sensors on, except for those in the office, bathroom, and bedroom Show transcribed image text 1. A home security system is one line of defense a home can provide against intruders Such systems can also help protect a home from fire by bringing a home’s smoke detectors under its control. Please model a system that exhibits the following behavior. A system can be off, armed while residents are home, and armed while residents are away. The difference between the latter two states is that while residents are away a monitors are active, induding window and door monitors and internal motion detectors While residents are home, the monitors remain active while the motion detectors are deactivated to allow residents free movement within the home. If a monitor or motion detector detects an intruder, an alarm rings for ninety seconds. This gives residents time to deactivate the system &they were responsible for sounding the alarm. If the alarm is not deactivated then the security system notifies a remote monitoring station of the alarm, and the remote monitoring station informs the local police of the ntruder. The alarm will continue to ring until a legal personal identification code (PIN) is entered and the system is to turn off A user can enter commands to the system using a keypad. All commands must be prefxed with a user’s PIN-if a user arms the security system, they are given a nnety second grace period to leave the house before the armed state goes into effect As mentioned above, the security system is linked to a home’s smoke detectors If smoke is detected, the security system rings a fire alarm (distinct from the intruder alarm) and notifies its remote monitoring station. The remote monitoring station will then notify the local fire department. As with an intruder alert, the fire alarm will continue to ring until a legal PIN is entered and the system is commanded to turn off (10) Develop a use case diagram 20) Develop two use case scenarios for the system. Develop one scenario for two different use cases List alternative flows and exceptions Use the outline we dscussed in class (5) Add “misuse” cases to the use case dagram, and then show how you would mitigate these misuse cases. Use the format discussed in dass and the notes In particular, please develop use case scenarios for the following situations A smoke detector detects smoke in the house – Returming to a house armed in away mode The security system detects an intruder. Setting the security system tomonitor only parts of the house . With respect to the latter use case, assume a situation like the following A person is at home, working late, and intends to use only the office, bathroom, and bedroom that are co-located in one section of the house. Normaly, an alarm mode for in-home use is one in which only the perimeter of the house is monitored, eg window and door sensors are on but motion detectors are deactivated. This use case is one which we would like the house armed with all sensors on, except for those in the office, bathroom, and bedroom

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