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What role does packet filtering play in IPS operation?
a. Improving website aesthetics
b. Enhancing server performance
c. Analyzing and blocking or allowing network packets
d. Granting unrestricted access to all users
Answer: c. Analyzing and blocking or allowing network packetsexamradar
How does an IPS handle encrypted traffic for malicious activity detection?
a. Improving website aesthetics
b. Enhancing server performance
c. Decrypting and inspecting encrypted traffic
d. Granting unrestricted access to all users
Answer: c. Decrypting and inspecting encrypted trafficexamradar
What is a primary purpose of a “fail-open” configuration in IPS?
a. Deny all traffic on failure
b. Ensure continuous traffic flow in case of device failure
c. Log all network activities
d. Encrypt data traffic
Answer: b. Ensure continuous traffic flow in case of device failureexamradar
What method does IPS use to differentiate normal from abnormal traffic in behavioral-based detection?
a. Signature matching
b. Establishing normal behavior baseline
c. Whitelisting known IPs
d. Encrypt all traffic
Answer: b. Establishing normal behavior baselineexamradar
In IPS, what does sandboxing achieve for unknown threat detection?
a. Improving aesthetics
b. Enhancing performance
c. Isolating and analyzing suspicious files
d. Allowing unrestricted access
Answer: c. Isolating and analyzing suspicious filesexamradar
What is the main difference between IPS and IDS?
a. IPS blocks malicious traffic in real-time, IDS only monitors
b. IDS blocks, IPS monitors
c. Both perform the same operations
d. IPS logs incidents, IDS prevents threats
Answer: a. IPS blocks malicious traffic in real-time, IDS only monitorsexamradar
What is the goal of configuring both IDS and IPS?
a. Block all incoming and outgoing traffic
b. Achieve balance between detection and prevention
c. Maximize server uptime
d. Grant open access
Answer: b. Achieve balance between detection and preventionexamradar
What does signature-based detection mean in an IPS?
a. Block traffic on unknown patterns
b. Matching patterns and signatures of known threats
c. Baseline comparison of network activity
d. Continuous traffic analysis
Answer: b. Matching patterns and signatures of known threatsuninets+1
What is the key advantage of real-time blocking in IPS?
a. Improving aesthetics
b. Immediate prevention of malicious activities
c. Delaying threat notification
d. Performance optimization
Answer: b. Immediate prevention of malicious activitiesexamradar
What is inline deployment in the context of IPS?
a. Place IPS outside traffic flow
b. Deploy IPS in the direct path of network traffic
c. Use IPS only for offline analysis
d. None of the above
Answer: b. Deploy IPS in the direct path of network trafficgeeksforgeeks
How does traffic preprocessing help IPS operation?
a. Bypasses suspicious packets
b. Normalizes data formats and reassembles fragmented packets
c. Drops all non-TCP traffic
d. Only scans application layer
Answer: b. Normalizes data formats and reassembles fragmented packetsgeeksforgeeks
Which detection mechanism is NOT used by IPS?
a. Signature-based
b. Anomaly-based
c. Policy-based
d. Visualization-based
Answer: d. Visualization-basedgeeksforgeeks
What is deep packet inspection in IPS?
a. Checking only headers
b. Inspects all layers of network packets
c. Skips application layer
d. Only checks source IP
Answer: b. Inspects all layers of network packetsgeeksforgeeks
What automated response can IPS perform on threats?
a. Log for review only
b. Block source IP or drop malicious packets
c. Ignore suspicious activity
d. Create archive backups
Answer: b. Block source IP or drop malicious packetsgeeksforgeeks
Why is IPS tuning and maintenance necessary?
a. To keep up with evolving threats and reduce false positives
b. IPS is a set-and-forget technology
c. To keep device powered on
d. Only for firmware updates
Answer: a. To keep up with evolving threats and reduce false positivesgeeksforgeeks
Which IPS type monitors protocol activity across an entire network?
a. Host-based IPS
b. Wireless IPS
c. Network-based IPS
d. Application-based IPS
Answer: c. Network-based IPSgeeksforgeeks
What is a common IPS deployment scenario?
a. Placed before the firewall
b. Placed after the firewall
c. Deployed standalone on endpoints
d. Skipped entirely
Answer: b. Placed after the firewallgeeksforgeeks
Which detection type allows IPS to identify zero-day attacks?
a. Signature-based
b. Heuristic-based
c. Anomaly-based
d. Port-based
Answer: c. Anomaly-basedgeeksforgeeks
Which action is NOT typical for an IPS response?
a. Alert administrators
b. Block malicious traffic
c. Route traffic to bypass device
d. Terminate suspicious session
Answer: c. Route traffic to bypass devicegeeksforgeeks
Which does NOT describe behavioral-based IPS detection?
a. Detects via behavior analysis
b. Relies solely on known signatures
c. Detects repeated failed logins
d. Flags unusual account activity
Answer: b. Relies solely on known signaturesgeeksforgeeks
What IPS mechanism helps prevent attackers from hiding threats using encoding tricks?
a. Traffic normalization
b. Application proxying
c. Traffic obfuscation
d. Protocol tunneling
Answer: a. Traffic normalizationgeeksforgeeks
What component of an IPS is responsible for generating logs and alerts?
a. Traffic filter
b. Event processor
c. Signature engine
d. Analyzer
Answer: b. Event processorexamradar+1
Which IPS update is required for maintaining effectiveness?
a. Network address updates
b. Signature database updates
c. Port list updates
d. Performance optimization
Answer: b. Signature database updatesgeeksforgeeks
Which method allows IPS to enforce organizational rules?
a. Policy-based detection
b. Signature matching
c. Traffic normalization
d. Header filtering
Answer: a. Policy-based detectiongeeksforgeeks
What is NOT a benefit of IPS in cloud networks?
a. Preventing lateral movement
b. Blocking malicious traffic
c. Detecting performance issues
d. Reducing attack surface
Answer: c. Detecting performance issuesgeeksforgeeks
Which is a disadvantage of an IPS?
a. False positives
b. No ability to block traffic
c. Inability to alert admins
d. Cannot be updated
Answer: a. False positivesgeeksforgeeks
What is the effect of excessive false positives in IPS?
a. Ignoring real threats
b. Overloading administrators with alerts
c. Increasing detection accuracy
d. Optimizing firewall rules
Answer: b. Overloading administrators with alertsgeeksforgeeks
What is the role of a baseline in anomaly-based IPS detection?
a. Ignores normal traffic
b. Establishes normal network behavior
c. Matches known threat signatures
d. Logs all packets
Answer: b. Establishes normal network behaviorexamradar+1
Which is NOT a deployment option for IPS?
a. Virtual IPS
b. Inline physical device
c. Passive monitoring
d. Host-only device
Answer: c. Passive monitoringgeeksforgeeks
What network layer information does IPS analyze?
a. Only payload data
b. Packet source, destination, protocol
c. Hardware specifics
d. Device firmware
Answer: b. Packet source, destination, protocolgeeksforgeeks
Why is reassembly of fragmented packets necessary in IPS?
a. To skip transmission errors
b. To ensure no threat escapes detection
c. To enhance network speed
d. To ignore incomplete packets
Answer: b. To ensure no threat escapes detectiongeeksforgeeks
Which detection method works by monitoring deviations from user or device norms?
a. Signature-based
b. Anomaly-based
c. Static analysis
d. Address-based
Answer: b. Anomaly-basedexamradar+1
Which of these is NOT part of IPS traffic analysis?
a. Protocol decoding
b. Deep packet inspection
c. Traffic normalization
d. Data visualization only
Answer: d. Data visualization onlygeeksforgeeks
What does an IPS do when it finds a malicious packet?
a. Drops the packet and blocks source
b. Forwards packet for review
c. Re-encrypts packet and passes on
d. Does nothing
Answer: a. Drops the packet and blocks sourcegeeksforgeeks
What type of rule would block access from specific countries via IPS?
a. Policy-based
b. Signature-based
c. Behavior-based
d. Anomaly-based
Answer: a. Policy-basedgeeksforgeeks
What effect does IPS have on network throughput?
a. Always improves throughput
b. May slightly reduce throughput due to inspection overhead
c. Has no impact at all
d. Only impacts wireless traffic
Answer: b. May slightly reduce throughput due to inspection overheadgeeksforgeeks
Which security solution is commonly integrated with IPS?
a. Firewall
b. Application proxy
c. Access switch
d. Load balancer
Answer: a. Firewallstudocu+1
IPS is placed ____________ for maximum protection.
a. Outside network core
b. Inline between firewall and LAN
c. Only at remote endpoints
d. Separate from traffic flow
Answer: b. Inline between firewall and LANgeeksforgeeks
IPS is different from antivirus in that:
a. IPS works at network level
b. Antivirus only works offline
c. IPS only detects viruses
d. Antivirus cannot scan files
Answer: a. IPS works at network levelgeeksforgeeks
What can cause IPS to generate false negatives?
a. Outdated attack signatures
b. Excess log generation
c. Excessive traffic normalization
d. Too permissive policy rules
Answer: a. Outdated attack signaturesgeeksforgeeks
What is one challenge with encrypted traffic for IPS?
a. Cannot inspect without decrypting
b. Decryption is not needed
c. Encrypted packets are always safe
d. IPS ignores all encrypted traffic
Answer: a. Cannot inspect without decryptinggeeksforgeeks
What is also commonly used for endpoint threat prevention with IPS?
a. Host-based antivirus
b. Network router
c. Application proxy
d. DHCP relay
Answer: a. Host-based antivirusstudocu
Which IPS sensor detects activity directly from host operating systems?
a. Host-based IPS
b. Network-based IPS
c. Wireless IPS
d. Virtual IPS
Answer: a. Host-based IPSgeeksforgeeks
What does “intrusion” mean in IPS?
a. Authorized access
b. Unauthorized activity or access attempts
c. Encrypted connection
d. Performance enhancement
Answer: b. Unauthorized activity or access attemptsgeeksforgeeks
The acronym “IPS” stands for:
a. Internet Packet Service
b. Intrusion Prevention System
c. Internal Protection System
d. Integrated Packet Security
Answer: b. Intrusion Prevention Systemstudocu
Which is NOT a feature of network-based IPS?
a. Monitors entire network traffic
b. Analyzes protocol activity
c. Operates only on physical hosts
d. Can block attacks in real-time
Answer: c. Operates only on physical hostsgeeksforgeeks
What is a signature in IPS terminology?
a. A set of rules or patterns identifying threats
b. Packet header
c. Network port info
d. Encryption algorithm
Answer: a. A set of rules or patterns identifying threatsuninets
Which protocol activity does IPS primarily analyze for suspicious behavior?
a. DNS only
b. Multiple protocols such as HTTP, FTP, SMTP
c. TCP only
d. None
Answer: b. Multiple protocols such as HTTP, FTP, SMTPgeeksforgeeks
Why are regular IPS updates critical?
a. Keep up with new attack signatures and threats
b. Increase traffic speed
c. Reduce hardware cost
d. Ensure server uptime
Answer: a. Keep up with new attack signatures and threatsgeeksforgeeks
What does IPS policy tuning achieve?
a. Reduce false positives
b. Optimize throughput
c. Eliminate all alerts
d. Increase number of signatures
Answer: a. Reduce false positivesgeeksforgeeks

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