ITN 100 Final Test Questions & Answers 2024/2025
The primary goal of network security = protect what? - ANSWERSAssets, information, data
3 Goals in providing security - ANSWERS• Confidentiality
- Protection of data from unauthorized disclosure of customers and proprietary data
• Inte...
The primary goal of network security = protect what? - ANSWERSAssets, information, data
3 Goals in providing security - ANSWERS• Confidentiality
- Protection of data from unauthorized disclosure of customers and proprietary data
• Integrity
- Assurance that data have not been altered or destroyed
• Availability
- Providing continuous operations of hardware and software so that parties involved can be assured of
uninterrupted service
In general, security threats can be put into two broad categories - ANSWERS- Ensuring business
continuity
Make sure that organization's data and applications will continue to operate even in the face of
disruption, destruction, or disaster
- Preventing unauthorized access
3 Main threats to business continuity - ANSWERS- Disruption
- Disasters (Natural or manmade disasters)
- Intrusion (Types)
Casual intruders
Hackers (Security)
Professional hackers (espionage, fraud, etc.)
Organization employess
, Network controls - ANSWERSsoftware
hardware
procedures that reduce threats
Types of Controls - ANSWERS- Preventative controls
• Mitigate or stop a person from acting or an event from occurring (e.g., locks, passwords, backup
circuits)
- Detective controls
• Reveal or discover unwanted events (e.g., auditing)
• Documenting events for potential evidence
- Corrective controls
• Remedy an unwanted event or a trespass (e.g., reinitiating a network circuit)
Risk Assessment - ANSWERS• A key step in developing a secure network
• Assigns level of risks to various threats
• Use a control spreadsheet
Assets - ANSWERS- Hardware
- Circuits
- Network Software
- Client Software
- Organizational Data
- Mission critical applications
Threats - ANSWERS• Virus infection is most likely event
• Intrusion
• Device failure (not necessarily by a malicious act)
• Device theft, Natural Disaster
• Denial of Service attacks
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