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NEW QUESTION # 65
A restaurant distribution center recently suffered a password spray attack targeting the Cisco Secure Firepower Threat Defense VPN headend. The attack attempts to gain unauthorized access by trying common passwords across many accounts. The attack poses a significant security threat to the organization's remote access infrastructure. To enhance the security of the VPN setup and minimize the risk of similar attacks in the future, the IT security team must implement effective mitigation measures. Which technique effectively reduces the risk of this type of attack?
Answer: A
Explanation:
In the context of Designing Cisco Security Infrastructure, protecting Remote Access VPN (RAVPN) against brute-force and password spray attacks is a critical objective. On Cisco Firepower Threat Defense (FTD) and Adaptive Security Appliance (ASA) platforms, theDefaultWEBVPNGroupandDefaultRAGroupare the landing points for any connection request that does not specify a valid Group Alias or Group URL. Attackers frequently target these default profiles because they are often left with "None" as the authentication method, allowing the attacker to probe for valid usernames without immediate rejection.
By selectingOption D, the security designer ensures that any attempt to access the VPN via these default profiles requires valid AAA credentials. According to Cisco's hardened design guides, it is best practice to point these default profiles to a "sinkhole" AAA server or a local database with no users. This forces the password spray attack to fail at the initial authentication phase before any sensitive information is leaked or unauthorized access is granted. While Option A (ACLs) provides a temporary fix, it is ineffective against distributed attacks using rotating IP addresses. Option B (Disabling aliases) is a good obfuscation technique but doesn't stop an attacker from hitting the default profile. Option D provides a structural mitigation that aligns with theCisco SAFEarchitectural principle of reducing the attack surface by securing every possible entry vector into the private infrastructure.
NEW QUESTION # 66
A company has been facing recurring issues with SQL injection vulnerabilities affecting the products, leading to significant disruptions for customers. To address the security concerns proactively, the company wants to integrate a tool into the CI/CD pipeline. The tool must be capable of identifying vulnerabilities such as SQL injection early in the development process, which allows developers to rectify issues before the code is deployed. Which solution must be implemented to meet the requirement?
Answer: B
Explanation:
In the framework of theDesigning Cisco Security Infrastructure (300-745 SDSI)curriculum, the "Shift- Left" security strategy is fundamental to modern DevSecOps. To identify vulnerabilities like SQL injection at the earliest possible stage-specifically before the code is even compiled or deployed-Static Application Security Testing (SAST)is the required solution. SAST tools analyze the application's source code, byte code, or binaries without actually executing the program.
By integrating SAST tools like Checkmarx or SonarQube into the CI/CD pipeline, the security team can automate the scanning of every code commit or pull request. These tools use sophisticated algorithms to trace data flows and identify dangerous patterns, such as user-controlled input being concatenated directly into SQL queries without proper sanitization or parameterization. This proactive approach allows developers to receive immediate feedback within their native workflow, enabling them to fix security flaws before they progress into later, more expensive stages of the development lifecycle.
In contrast,Dynamic Application Security Testing (DAST)(Option D) requires a running instance of the application and typically occurs much later in the pipeline, such as during the testing or staging phase. While DAST is excellent for finding runtime vulnerabilities, it does not meet the requirement of identifying issues
"early in the development process" as effectively as SAST.Build log observability tools(Option B) and workflow automation platforms(Option C) provide infrastructure and visibility but do not possess the specialized engine required to perform deep code analysis for application-layer vulnerabilities like SQL injection. Implementing SAST ensures that security is a foundational element of the code-writing phase, aligning with Cisco's vision for a secure, automated software supply chain.
NEW QUESTION # 67
A developer is building new API functions for a cloud-based application. Before writing the code, the developer wants to ensure that destructive actions, including deleting and updating data, are properly protected by access control identifying sensitive fields such as those that contain passwords or personally identifiable information. Which approach must be used to score the risks proactively?
Answer: C
Explanation:
Open API Specification Analysis evaluates API definitions before code is written, identifying risky endpoints (such as delete or update functions) and sensitive fields (like PII or passwords). This allows developers to proactively score risks and apply proper access controls early in the design phase.
NEW QUESTION # 68
A technology company has many remote workers who access corporate resources from various locations. The company must ensure that security policies are managed and enforced directly on endpoints, and endpoints are protected from threats regardless of location. Which firewall architecture meets the requirements?
Answer: A
Explanation:
As organizations shift toward a "borderless" or hybrid work model, the traditional perimeter-based security model becomes insufficient. When employees work from home, coffee shops, or airports, they are no longer behind the enterprise's physicalNext-Generation Firewall (NGFW)(Option A). To ensure that security policies are enforced "regardless of location," the security must move with the device.
Ahost-based firewallis a software-defined firewall that resides directly on the endpoint (laptop, workstation, or server). In the Cisco ecosystem, this is often a component ofCisco Secure ClientorCisco Secure Endpoint
. Because the firewall is local to the operating system, it can enforce strict inbound and outbound traffic rules even when the user is not connected to a VPN. This protects the device from lateral movement threats on untrusted local networks (like a public Wi-Fi) and ensures that only authorized applications can communicate over the network.
While an NGFW (Option A) provides superior deep packet inspection for the corporate perimeter, and aWeb Application Firewall (WAF)(Option C) protects web servers from application-layer attacks, neither provides the local, location-independent protection required for a distributed remote workforce. Implementing a host- based firewall aligns with theZero Trustarchitecture promoted by Cisco, where the endpoint itself becomes a micro-perimeter capable of self-protection.
NEW QUESTION # 69
A construction company recently introduced a BYOD policy, where contractors can bring personal devices and connect to the wireless network. The network engineer configured a Wi-Fi network with a guest splash page to provide internet access only. Although the policy was limited to wireless devices, contractors started bringing devices that needed wired connections without authorization and connecting to the network. The network team suggested shutting down ports where unauthorized devices are connected. Which technology must be implemented to ensure that wired and wireless devices are granted network access only after successful authentication?
Answer: A
Explanation:
802.1X provides port-based network access control, requiring devices (wired or wireless) to authenticate before gaining network access. This ensures that only authorized users and devices can connect, enforcing the BYOD policy and preventing unauthorized wired connections.
NEW QUESTION # 70
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