(Boost Your Scores) Cisco 700-020 Exam Real Questions - Your Key to Success

Threat Mitigation

• Understanding potential security vulnerabilities is crucial for effective threat mitigation. These vulnerabilities can be exploited by malicious actors, leading to data breaches, system compromise, and service disruptions.
• Proactive measures, such as strong access controls, regular security audits, and robust patching strategies, are fundamental elements of a multifaceted approach to threat mitigation.
• Implementing intrusion detection and prevention systems (IDS/IPS) can detect and block malicious activities, improving security postures. A layered security approach, incorporating multiple controls, increases overall security resilience.
• Security awareness training for staff is essential to mitigate the risk of human error, which accounts for a significant proportion of security breaches and incidents.
• Regular penetration testing, simulated attacks to identify vulnerabilities in systems, is a crucial method for proactive threat mitigation.

Security Architectures

• A security architecture defines the principles, policies, and procedures for securing an organization's IT infrastructure. It encompasses a set of interconnected security controls that safeguards network traffic and data assets.
• Core tenets of security architecture design include confidentiality, integrity, and availability (CIA triad). Confidentiality ensures only authorized parties have access to data, integrity safeguards data accuracy and prevents unauthorized modifications, and availability ensures authorized users can access data and systems when needed.
• Different architecture models (e.g., perimeter-based, layered, zone-based, and cloud-based) have varying strengths and are suitable for different organizational needs and environments. Each model supports different levels of security with distinct vulnerabilities.
• A well-defined architecture should be scalable and adaptable, addressing future security needs while minimizing disruption to existing operations.

Firewall Implementations

• Firewalls act as a critical first line of defense against unauthorized network access. Firewalls can be hardware, software, or a hybrid combination that perform crucial traffic filtering.
• Configuring firewall rules is paramount; these rules control incoming and outgoing network traffic. Rules should be based on security policies that define what types of traffic are allowed or blocked.
• Types of firewalls (packet filtering, stateful inspection, application layer gateway) vary based on the level of inspection they perform. Packet filtering firewalls analyze individual packets, while stateful inspection firewalls examine the connection state. Application firewalls filter traffic based on specific application protocols.
• Firewall design should consider factors such as network topology, security policies, and performance requirements. Balancing security needs with application requirements is critical.

Incident Response

• A robust incident response plan is essential for any organization. It guides actions in the event of a security incident, minimizing damage and ensuring the rapid resolution of issues.
• Key elements within an incident response plan include identification, containment, eradication, recovery, and post-incident analysis.
• Incident response teams are essential to manage security incidents and ensure they are dealt with efficiently. These teams should practice identifying and responding to potential incident scenarios through regular exercises.
• Proactive incident response planning and testing will greatly reduce damage and duration of any security incidents. This involves ongoing assessments, and regular adjustments based on security updates and attacks.
• Security Information and Event Management (SIEM) systems can play a vital role in incident detection and response by collecting and analyzing security logs.
• Effective communication during incidents is critical. Timely communication with stakeholders and affected parties is necessary. This includes providing updates and follow-up actions.