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NEW QUESTION # 65
What would best describe DGA activity?
Answer: C
Explanation:
DGA stands for Domain Generation Algorithm. It is a technique used by malware (such as ransomware or botnets) to periodically generate a large number of domain names that serve as rendezvous points with their Command and Control (C2) servers. By rapidly changing the domains they attempt to connect to, attackers obfuscate their traffic and make it highly difficult for static blocklists or basic firewall rules to stop the communication. VMware vDefend's Network Traffic Analysis (NTA) features specific detectors to identify this anomalous DNS behavior associated with DGA.
NEW QUESTION # 66
Which of the following are advantages of VMware vDefend versus using legacy security tools? (Select all that apply)
Answer: A,B,C
Explanation:
VMware vDefend (NSX) provides a paradigm shift from legacy hardware security:
No network changes required (Option A): Legacy micro-segmentation required complex re-architecting of IP subnets and VLANs. vDefend enforces rules at the vNIC, allowing you to secure workloads without altering the underlying physical or logical network topology.
Tapless network visibility (Option B): Legacy tools require physical network taps or heavy SPAN ports to see traffic. vDefend inherently "sees" all East-West traffic directly inside the hypervisor kernel, providing complete visibility without hardware taps.
Centralized IDS/IPS (Option C): While the enforcement is distributed to every host, the management and detection engine provides a single, centralized pane of glass for the entire data center's intrusion events, replacing the need to manage dozens of disparate legacy physical appliances.
(Note: Option D is a legacy concept, not an advantage; vDefend's advantage is moving away from IP-based rules to dynamic, context-based tagging).
NEW QUESTION # 67
Which of the following is NOT one of the advantages of Distributed Malware Detection and Prevention?
Answer: D
Explanation:
To answer this correctly, you must understand the difference between legacy network security and VMware vDefend's software-defined approach. "Hair-pinning" (forcing all network traffic to leave the virtual environment, travel to a physical centralized firewall/appliance for inspection, and then travel back) is a massive disadvantage of legacy architectures. It causes severe network bottlenecks, increases latency, and wastes bandwidth.
VMware vDefend's Distributed Malware Prevention eliminates hair-pinning entirely by enforcing security directly at the hypervisor vNIC. Therefore, Option B is a description of a legacy limitation, not an advantage of the vDefend distributed architecture.
NEW QUESTION # 68
Distributed IDS cannot be implemented on which of the following?
Answer: C
Explanation:
VMware vDefend Distributed IDS/IPS performs deep packet inspection right at the virtual machine's network interface card (vNIC). To intercept this traffic at the hypervisor kernel level, it requires the advanced networking hooks and abstraction provided by modern virtual switches.
It fully supports workloads connected to modern NSX Overlay Segments, NSX VLAN Segments, and traditional vSphere Distributed Switches (vDS). However, legacy vSphere Standard Switches (vSS) lack the centralized management plane, distributed architecture, and necessary kernel APIs required to enforce NSX-based distributed security features. Therefore, you cannot implement Distributed IDS on a standard switch portgroup.
NEW QUESTION # 69
Which NSX authentication uses cookies for subsequent API calls instead of the username and password?
Answer: D
Explanation:
When automating or interacting with the VMware vDefend REST API, there are different ways to authenticate.
HTTP Basic Authentication (Option A): Requires sending the base64-encoded username and password with every single API request. This is computationally expensive and less secure for large-scale automation.
Session Based Authentication (Option D): This is the most efficient method for standard user automation. The client sends the username and password exactly once to the /api/session/create endpoint. The vDefend Manager verifies the credentials and returns a JSESSIONID cookie. For all subsequent API calls, the client only needs to pass this session cookie in the HTTP header, entirely eliminating the need to repeatedly transmit the username and password over the network.
NEW QUESTION # 70
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