Pass Your Exam Easily! 300-745 Real Question Answers Updated on Aug 06, 2026
Actual Questions Answers Pass With Real 300-745 Exam Dumps
NEW QUESTION # 15
A software development company uses multiple cloud providers to host the applications. The company is designing a scalable firewall solution that must meet the requirements:
- Consistent security policies across multiple cloud environments.
- Centralized visibility and management.
- Scalability to accommodate different cloud platforms.
Which type of firewall meets the requirements?
- A. host-based firewall
- B. traditional firewall
- C. distributed firewall
- D. zone-based firewall
Answer: C
Explanation:
A distributed firewall is designed for multi-cloud and hybrid environments. It ensures consistent security policies across multiple platforms, offers centralized visibility and management, and scales seamlessly with workloads across different cloud providers. This directly meets the requirements of the scenario, unlike traditional or host-based solutions that lack centralized scalability across multiple clouds.
NEW QUESTION # 16
Which generative AI impact is addressed by a human-in-the-loop design policy?
- A. phishing
- B. deep fakes
- C. AI hallucinations
- D. scale changes
Answer: C
NEW QUESTION # 17
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?
- A. Change the AAA authentication method from RADIUS to TACACS+.
- B. Disable group aliases in the connection profiles.
- C. Implement an access list to block addresses from the previous password spray attack.
- D. Enable AAA authentication for the DefaultWEBVPN and DefaultRAGroup Connection Profiles.
Answer: D
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 # 18
A manufacturing company experienced a security breach that resulted in sales data being compromised. An engineer participating in the investigation must identify who logged into the sales system during the affected period. Which approach must be used to gather the information?
- A. NACM
- B. AAA
- C. PKI
- D. SNMP
Answer: B
Explanation:
AAA (Authentication, Authorization, and Accounting) provides accounting logs that record who logged in, when, and from where. During an investigation, these logs allow the security team to trace user logins to the sales system and identify who accessed it during the breach period.
NEW QUESTION # 19
A developer company recently made a contract with new customer in the financial space. The customer has multiple remote sites and requires a VPN solution with the highest encryption.
Which protocol must be used in IPsec Phase 2?
- A. IKE
- B. ISAKMP
- C. ESP
- D. SD-WAN
Answer: C
Explanation:
In IPsec Phase 2, the Encapsulating Security Payload (ESP) protocol is used to provide confidentiality, integrity, and authentication for VPN traffic. ESP ensures the highest encryption and protection for sensitive financial data across remote sites.
NEW QUESTION # 20
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?
- A. workflow automation tools, such as GitHub Actions, Azure
- B. Dynamic Application Security Testing tools, such as OWASP ZAP, Veracode, Burp Suite
- C. Static Application Security Testing tools, such as Checkmarx, Fortify, SonarQube
- D. build log observability tools, such as Splunk, Datadog
Answer: C
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 # 21
Refer to the exhibit. In addition to SSL decryption, which firewall feature allows malware to be blocked?
- A. File Inspection
- B. SSL Offloading
- C. DLP
- D. URL Filtering
Answer: A
Explanation:
In the exhibit, SSL decryption is already enabled, which allows encrypted traffic to be inspected.
To block malware hidden within decrypted traffic, the next required feature is File Inspection. This function analyzes files passing through the firewall to detect and stop malicious content.
NEW QUESTION # 22
A manufacturing company implemented IoT devices throughout their smart factory and needs a security solution that meets these requirements:
* Protect IoT devices from network-based attacks.
* Visibility into communication patterns.
* Anomaly detection for IoT traffic.
Which firewall technology or feature should be recommended?
- A. transparent firewall
- B. traditional firewall
- C. IPS/IDS
- D. zone-based firewall
Answer: C
Explanation:
In a smart factory environment, IoT devices often use specialized industrial protocols (like Modbus, PROFINET, or EtherNet/IP) and have limited built-in security. To meet the requirements of protecting these devices from network-based attacks while gaining visibility into communication patterns and detecting anomalies, anIPS/IDS (Intrusion Prevention/Detection System)is the most effective solution.
Modern Cisco Secure Firewall (NGFW) systems integrate advanced IPS/IDS capabilities that go beyond simple port-based filtering. They provide deep packet inspection (DPI) to identify specific IoT protocols and baseline "normal" behavior. When an IoT device suddenly begins communicating with an unknown external IP or attempts to use a command it has never used before, the IPS/IDS can trigger an alert or block the traffic as an anomaly.
While aZone-Based Firewall(Option A) or aTraditional Firewall(Option C) can segment traffic and control access between zones, they generally lack the granular visibility and behavior-based anomaly detection required for IoT security. ATransparent Firewall(Option B) is a deployment mode that makes the firewall
"invisible" at Layer 2, which is useful for insertion into existing networks but does not inherently provide the required anomaly detection. Therefore, IPS/IDS is the primary technology within the Cisco Security Infrastructure that addresses the need for signature-based protection combined with behavioral visibility for specialized IoT traffic.
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NEW QUESTION # 23
A developer company recently implemented a testing environment based on Linux operating system. The company needs a technology solution that produces tracing and filtering capabilities in the Linux kernel. Which technology meets these requirements without modifying the kernel source code?
- A. eBPF
- B. NGFW
- C. VPP
- D. distributed firewall
Answer: A
Explanation:
eBPF (extended Berkeley Packet Filter) allows tracing, filtering, and monitoring directly inside the Linux kernel without modifying the kernel source code. It provides deep visibility into system and application behavior, making it ideal for secure and efficient observability in a testing environment.
NEW QUESTION # 24
How does a SOC leverage flow collectors?
- A. It performs data backup and recovery.
- B. It provides data for analysis in threat detection and response system.
- C. It performs load balancing capabilities across systems to optimize performance.
- D. It provides real time content filtering.
Answer: B
Explanation:
A flow collector gathers metadata about network traffic (such as NetFlow or IPFIX), which SOC analysts use to analyze communication patterns. This data is critical for threat detection and response, helping identify anomalies, lateral movement, or potential attacks.
NEW QUESTION # 25
Which two controls help detect drift in IaC-managed infrastructure? (Choose two.)
- A. Continuous configuration monitoring
- B. Immutable infrastructure patterns
- C. Manual change log entries
- D. DHCP snooping
Answer: A,B
Explanation:
Continuous configuration monitoring detects deviations from IaC definitions, while immutable infrastructure minimizes drift by replacing resources instead of modifying them in place.
NEW QUESTION # 26
Which tool is used by SOC analyst to quarantine an endpoint?
- A. syslog
- B. Cisco XDR
- C. load balancer
- D. flow collector
Answer: B
Explanation:
Cisco XDR (Extended Detection and Response) gives SOC analysts the ability to detect, investigate, and quarantine compromised endpoints. It integrates telemetry across endpoints, network, and cloud, enabling coordinated response actions.
NEW QUESTION # 27
A telecommunications company recently introduced a hybrid working model. Based on the new policy, employees can work remotely for 2 days per week if corporate equipment is used. The IT department is preparing corporate laptops to support users during the remote working days. Which solution must the IT department implement that provides secure connectivity to corporate resources and protects sensitive corporate data even if a laptop is stolen?
- A. Secure Client
- B. ISE Posture
- C. Umbrella
- D. Cisco Duo
Answer: A
Explanation:
TheCisco Secure Client(formerly AnyConnect) is the comprehensive solution designed to handle the complexities of a hybrid workforce. To meet the company's requirements, Secure Client provides a secure VPN tunnel (SSL or IPsec) that ensures all traffic between the remote laptop and corporate resources is encrypted and authenticated.
Critically, for the scenario where a laptop is stolen, Secure Client integrates with various endpoint security modules. While it primarily handlessecure connectivity, it is the platform that hosts features likeAlways-On VPNand management of disk encryption status. According to Cisco Security Infrastructure design principles, Secure Client acts as the unified agent on the endpoint that maintains the security posture and connectivity regardless of the user's location.
WhileCisco Duo(Option B) provides essential Multi-Factor Authentication (MFA) to verify the user's identity, it does not provide the encrypted tunnel for data transit.ISE Posture(Option C) is a feature (often deliveredviaSecure Client) that checks the health of the device but doesn't provide the connectivity itself.
Umbrella(Option D) protects the user from malicious sites and provides a roaming client for DNS/web security, but it does not replace the requirement for a secure tunnel to private corporate resources. Therefore, Secure Clientis the holistic solution that bridges the gap between the remote user and the corporate data center while ensuring that the device remains under the organization's security umbrella.
NEW QUESTION # 28
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?
- A. CSPM
- B. SAST
- C. SBOM Generation
- D. Open API Specification Analysis
Answer: D
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 # 29
Which benefit does AI provide in network security?
- A. It identifies vulnerabilities associated with weak TLS algorithms.
- B. It speeds up network data transmission rates.
- C. It provides complete protection from DDoS attacks.
- D. It replaces comprehensive defense in depth.
Answer: A
Explanation:
According to the Cisco SDSI v1.0 objectives, Artificial Intelligence and Machine Learning (ML) provide significant benefits in automating the identification of complex security weaknesses. One of the primary benefits is the ability of AI to performEncrypted Threat Analytics (ETA). AI models can analyze the metadata and initial handshake patterns of encrypted traffic-without needing to decrypt it-toidentify vulnerabilities associated with weak TLS algorithmsor outdated cipher suites.
By recognizing specific fingerprints in the TLS handshake, AI-driven tools can alert administrators to non- compliant encryption standards that might be susceptible to interception. While AI is a powerful force multiplier, it doesnot replacea comprehensive defense-in-depth strategy (Option B); rather, it enhances it. It does not directlyspeed up data transmission(Option A), as that is a function of hardware and bandwidth.
Furthermore, while AI helps mitigate DDoS attacks, it rarely provides "complete" protection (Option C) on its own, as DDoS mitigation requires a multi-layered approach involving massive bandwidth and specialized scrubbing. The ability to identify cryptographic weaknesses at scale is a core functional benefit of AI in modern security infrastructure, aligning with the Cisco goal of maintaining a hardened and compliant network posture through automated visibility.
NEW QUESTION # 30
Employees in a healthcare organization could not access their devices when they returned to work after the weekend. The security team discovered that a threat actor had encrypted the devices. Which security solution would mitigate the risk in future?
- A. password policy enforcement
- B. data loss prevention
- C. endpoint detection and response
- D. network configuration management
Answer: C
Explanation:
In the scenario described, the healthcare organization fell victim to aransomware attack, where devices were encrypted to extort the organization. To mitigate such risks in the future,Endpoint Detection and Response (EDR)is the essential architectural component. According to the Cisco SDSI Secure Infrastructure domain, protecting endpoints requires more than just traditional antivirus; it necessitates a solution that provides deep visibility into file behavior and process execution.
A robust EDR solution, such asCisco Secure Endpoint, continuously monitors all activity on the device.
When ransomware attempts to initiate its encryption process, the EDR can detect the malicious behavioral pattern in real-time. It can then take automated actions, such as isolating the infected host from the network and "stopping" the encryption process before it spreads. Furthermore, Cisco's EDR providesretrospective security, allowing administrators to see how the malware arrived and which other devices it touched. While Option A (Password Policies) helps prevent credential theft and Option C (DLP) prevents data theft, they do not stop the technical process of disk encryption. Only EDR provides the necessary detection and automated response capabilities to handle modern file-less and polymorphic malware threats effectively. This aligns with the Cisco SAFE goal of securing the endpoint layer against advanced persistent threats (APTs) and ransomware variants.
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NEW QUESTION # 31
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?
- A. next-generation firewall
- B. web application firewall
- C. host-based firewall
- D. traditional firewall
Answer: C
Explanation:
A host-based firewall enforces security policies directly on endpoints, ensuring they remain protected regardless of location. This architecture provides consistent defense for remote workers accessing corporate resources from outside the traditional network perimeter.
NEW QUESTION # 32
After a recent security breach, a financial company is reassessing their overall security posture and strategy to better protect sensitive data and resources. The company already\ deployed on- premises next-generation firewalls at the network edge for each branch location. Security measures must be enhanced at the endpoint level. The goal is to implement a solution that provides additional traffic filtering directly on endpoint devices, thereby offering another layer of defense against potential threats. Which technology must be implemented to meet the requirement?
- A. web application firewall
- B. host-based firewall
- C. traditional firewall
- D. distributed firewall
Answer: B
Explanation:
A host-based firewall runs directly on endpoint devices, providing traffic filtering and protection at the endpoint level. This adds another layer of defense beyond the network edge firewalls, ensuring threats are mitigated closer to where sensitive data resides.
NEW QUESTION # 33
A retail company is facing a series of cyberattacks targeting the web servers, which results in disruptions to the online services. Upon investigation, the security team identified that these attacks involved invalid HTTP request headers, which were used to exploit vulnerabilities in the web application. To safeguard the company websites against similar threats in the future, the security team must deploy a security solution specifically designed to detect and block such malicious web traffic. Which security product must be used to protect the websites from similar attacks?
- A. host-based firewall
- B. web application firewall
- C. traditional firewall
- D. antivirus software
Answer: B
Explanation:
A Web Application Firewall (WAF) is specifically designed to protect web servers and applications against attacks such as malformed HTTP requests, invalid headers, and injection attempts. By inspecting HTTP traffic, it blocks malicious requests before they reach the application, safeguarding the company's websites from similar disruptions.
NEW QUESTION # 34
A product manager is focused on maintaining the security integrity of a microservice-based application as new features are developed and integrated. To ensure that known software vulnerabilities are not introduced into the product, it is crucial to implement a robust application security technique. The technique must be applied during the build phase of the software development lifecycle, which allows the team to proactively identify and address vulnerability risks before deployment. Which application security technique must be applied to accomplish the goal?
- A. Open API specification analysis
- B. container scanning
- C. infrastructure as code scanning
- D. secret detection
Answer: B
Explanation:
In a microservices-based architecture, applications are typically packaged into containers to ensure consistency across different environments. According to theDesigning Cisco Security Infrastructure (SDSI) objectives, securing the software development lifecycle (SDLC) requires integrating security checks as far
"left" as possible.Container scanningis the specific technique used during the build phase to inspect container images for known software vulnerabilities (CVEs) within the bundled libraries, binaries, and dependencies.
When a developer initiates a build, the container scanning tool cross-references the layers of the image against vulnerability databases. If a high-risk vulnerability is detected in a base image or a third-party library, the build can be automatically failed, preventing the vulnerable code from ever reaching the registry or production environment. This directly addresses the product manager's goal of ensuring known vulnerabilities are not introduced. WhileSecret Detection(Option A) is vital for finding leaked API keys or passwords, and Infrastructure as Code (IaC) scanning(Option C) ensures the environment configuration is secure, neither specifically targets the software vulnerabilities within the application package itself. Similarly,Open API specification analysis(Option D) focuses on the contract and security of the interface rather than the underlying software vulnerabilities. By implementing container scanning, organizations align with Cisco's DevSecOps framework, which emphasizes automated, policy-driven security within the CI/CD pipeline to maintain the integrity of cloud-native applications.
NEW QUESTION # 35
A logistics company wants to deploy an application in the cloud using cloud native techniques.
The company must ensure that the development, testing, and production environments are as identical as possible with the lowest risk of the development and testing environments impacting production. Which solution must be used to accomplish the task?
- A. network access control list
- B. separate cloud accounts
- C. service quotas
- D. lambda functions
Answer: B
Explanation:
Using separate cloud accounts for development, testing, and production ensures strong isolation between environments. This prevents accidental impact on production while maintaining consistent, cloud-native deployments across all stages with minimal risk.
NEW QUESTION # 36
An IT company experienced the spread of malicious content between user endpoints, which impacted business critical resources. The company wants to implement a solution to control communication between individual endpoints on the network. Which approach achieves the goal?
- A. profiling
- B. posture
- C. TrustSec
- D. RADIUS
Answer: C
Explanation:
The spread of malicious content between endpoints is a classic case oflateral movement. To control and restrict communication between individual endpoints-regardless of their physical location or IP address- Cisco TrustSecis the recommended architectural approach. TrustSec moves away from traditional, IP-based Access Control Lists (ACLs), which are difficult to manage and scale, and instead usesScalable Group Tags (SGTs).
With TrustSec, every endpoint is assigned an SGT based on its role or security context (e.g., "Employee,"
"Contractor," or "HR"). Security policies are then defined in a centralized matrix (the egress policy matrix) that dictates which SGTs can talk to one another. For example, a policy can be set so that endpoints in the
"Developer" group cannot communicate directly with endpoints in the "Sales" group, effectively preventing malware from hopping between machines. WhileRADIUS(Option A) is the protocol used for authentication, it does not perform the segmentation itself.Posture(Option C) checks the health of the device, andProfiling (Option D) identifies what the device is, but neither provides the policy-based traffic control of TrustSec. By implementing TrustSec, the company achievesmicro-segmentation, significantly reducing the internal attack surface and containing potential breaches within a single group, which is a core goal of modern secure infrastructure design.
NEW QUESTION # 37
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?
- A. private VLANs
- B. VACLs
- C. VxLANs
- D. 802.1x
Answer: D
Explanation:
To secure both wired and wireless access points against unauthorized devices, the industry-standard framework isIEEE 802.1x. This technology provides port-based network access control (PNAC), ensuring that no traffic-wired or wireless-is forwarded by the switch or access point until the device or user has been successfully authenticated by a central authority, typically a RADIUS server likeCisco Identity Services Engine (ISE).
In an 802.1x architecture, the device (Supplicant) must provide valid credentials or certificates to the switch
/AP (Authenticator). The Authenticator then communicates with the Authentication Server to verify the identity. If authentication fails, the port remains in a "closed" state, effectively preventing the unauthorized
"rogue" wired connections mentioned in the scenario. This approach is far more scalable and dynamic than manually shutting down ports or usingVACLs(Option C), which are static filters based on IP or MAC addresses.VxLANs(Option A) are used for network virtualization and overlay tunneling, whilePrivate VLANs(Option B) provide Layer 2 isolation within a subnet but do not verify identity. By implementing
802.1x, the construction company establishes a robust "gatekeeper" at the hardware level, satisfying the Cisco SDSI objective of securing the network edge through identity-based access control for a diverse set of devices.
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NEW QUESTION # 38
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?
- A. private VLANs
- B. VACLs
- C. VxLANs
- D. 802.1x
Answer: D
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 # 39
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