2026 QUESTIONS WITH ANSWERS
GRADED A
>> The primary goal of network security = protect what?
Answer: Assets, information, data
>> 3 Goals in providing security
- 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
Answer: • Confidentiality
>> In general, security threats can be put into two broad categories
Make sure that organization's data and applications will continue to operate even
in the face of disruption, destruction, or disaster
- Preventing unauthorized access
Answer: - Ensuring business continuity
>> 3 Main threats to business continuity
- Disasters (Natural or manmade disasters)
- Intrusion (Types)
Casual intruders
Hackers (Security)
Professional hackers (espionage, fraud, etc.)
Organization employess
Answer: - Disruption
, >> Network controls
hardware
procedures that reduce threats
Answer: software
>> Types of 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)
Answer: - Preventative controls
>> Risk Assessment
• Assigns level of risks to various threats
• Use a control spreadsheet
Answer: • A key step in developing a secure network
>> Assets
- Circuits
- Network Software
- Client Software
- Organizational Data
- Mission critical applications
Answer: - Hardware
>> Threats
• Intrusion
• Device failure (not necessarily by a malicious act)
• Device theft, Natural Disaster
• Denial of Service attacks
- External attacks blocking access to the network