ISC2 CC Domain 4: Network Security Exam Study by Edward Henriquez

Domain 4: Network Security (20 Questions)What is the purpose of a firewall?A. Detect malwareB. Filter traffic between networksC. Encrypt sensitive informationD. Manage network bandwidthAnswer: BWhat type of attack floods a network to make resources unavailable?A. Man-in-the-middleB. PhishingC. Denial of Service (DoS)D. ReplayAnswer: CWhich protocol encrypts data between a browser and server?A. FTPB. HTTPC. HTTPSD. TelnetAnswer: CWhat is the primary function of a VPN?A. Secure email communicationsB. Provide an encrypted remote-access tunnelC. Monitor network activityD. Block unauthorized usersAnswer: BWhat is the goal of network segmentation?A. Reduce network congestionB. Isolate sensitive data/systemsC. Increase encryption efficiencyD. Enhance speedAnswer: BWhat device connects network segments?A. SwitchB. RouterC. FirewallD. Load BalancerAnswer: BWhich protocol resolves domain names to IPs?A. HTTPB. DNSC. SMTPD. SNMPAnswer: BWhat does an IDS do?A. Block unauthorized trafficB. Detect/alert suspicious activityC. Encrypt communicationsD. Filter email spamAnswer: BWhich prevents ARP spoofing?A. Dynamic IP allocationB. Static ARP tablesC. NATD. Gateway reconfigurationAnswer: BWhat is a key benefit of a proxy?A. Hide internal IPs from external usersB. Block malicious traffic at the packet levelC. Encrypt all network trafficD. Prevent social media accessAnswer: AWhat is port scanning?A. Identify open ports on a deviceB. Encrypt incoming trafficC. Test firewall configurationsD. Block unauthorized IPsAnswer: AWhat is the purpose of tools like Wireshark?A. Test software vulnerabilitiesB. Analyze/capture network trafficC. Encrypt data in transitD. Configure firewallsAnswer: BWhich control allows traffic based on rules?A. Intrusion Prevention System (IPS)B. FirewallC. Network Access Control (NAC)D. HoneypotAnswer: BWhat is a key advantage of a honeypot?A. Prevent phishingB. Attract attackers to identify malicious activityC. Improve encryptionD. Block brute-force attacksAnswer: BWhat is the role of DNSSEC?A. Secure emailB. Prevent DNS spoofing, ensure integrityC. Encrypt DNS queriesD. Improve bandwidthAnswer: BWhich protocol provides secure file transfer?A. FTPB. SFTPC. TelnetD. HTTPAnswer: BWhat type of attack alters communications?A. Man-in-the-middleB. DoSC. Social engineeringD. ReplayAnswer: AWhat is the function of NAC?A. Encrypt sensitive trafficB. Enforce device security policiesC. Prevent malwareD. Monitor unauthorized loginsAnswer: BWhich wireless security protocol is most secure?A. WEPB. WPAC. WPA2D. WPA3Answer: DWhat is the purpose of VLANs?A. Increase speedB. Segment/isolate traffic for securityC. Encrypt all trafficD. Prevent malwareAnswer: BPatreon Support:https://www.patreon.com/DecodedPodcast