350-701 Exam Dumps - Implementing and Operating Cisco Security Core Technologies (SCOR 350-701 v2.0)

Microsegmentation is a technique that divides a network into smaller segments or zones, each with its own security policies and controls. This helps to isolate and protect workloads and applications from each other, and limit the lateral movement of threats within the network. Microsegmentation can be applied to different platforms and environments, such as virtual machines, containers, cloud services, and endpoints. Microsegmentation can also improve the visibility and enforcement of network traffic, as well as the performance and scalability of security solutions.

In the context of applications or containers on the same node, microsegmentation can limit the communication between them by enforcing granular policies based on attributes such as identity, context, and behavior. For example, microsegmentation can restrict which ports, protocols, or services are allowed for each application or container, and block any unauthorized or malicious traffic. Microsegmentation can also prevent the exposure of sensitive data or resources to other applications or containers on the same node, or to external attackers who may compromise one of them.

Container orchestration, microservicing, and Software-Defined Access are not directly related to limiting the communication between applications or containers on the same node. Container orchestration is a process of managing the lifecycle, deployment, and scaling of containers across a cluster of nodes. Microservicing is an architectural style of developing applications as a collection of loosely coupled, independent, and modular services. Software-Defined Access is a network architecture that abstracts the network infrastructure from the network policies, and enables consistent and secure access to any application or service across any domain. References:

Implementing and Operating Cisco Security Core Technologies (SCOR) v1.0, Module 5: Securing the Cloud, Lesson 5.1: Describing Cloud Computing and Deployment Models, Topic 5.1.4: Microsegmentation

What Is Micro-Segmentation? - Cisco

Communicating With Docker Containers on the Same Machine - Baeldung on Ops

 The Decrypt for Application Detection feature within the WSA Decryption options enhances the ability of AsyncOS to detect HTTPS applications. The HTTPS Proxy can decrypt HTTPS connections to web applications. This allows the Application Visibility and Control (AVC) engine to more accurately detect and block web applications that use HTTPS. This feature can help improve the security and performance of the network by identifying and controlling the usage of web applications that may consume bandwidth, pose security risks, or violate compliance policies.

An active/active FlexVPN configuration allows for multiple routers or VRFs to act as hubs for different VPN groups, providing load balancing and redundancy1. This is useful when the VPN deployment has a large number of spokes or different security policies for different groups of spokes. DMVPN, on the other hand, only supports a single hub or a pair of hubs in active/standby mode for each VPN group2. This limits the scalability and flexibility of DMVPN deployments. Therefore, an engineer would opt for an active/active FlexVPN configuration as opposed to DMVPN when multiple routers or VRFs are required. References :=

Cisco FlexVPN: Benefits and Best Practices

Cisco DMVPN Design Guide

A PAC file is a Proxy Auto-Configuration file that contains a JavaScript function that determines whether web browser requests go directly to the destination or are forwarded to a web proxy server. A PAC file allows the client desktop browsers to be configured to select when to connect direct or when to use the proxy based on the URL and the host name. A PAC file can be downloaded from a web server or a local file. A PAC file is more suitable for complex proxy configurations or multiple proxy servers12

A transparent mode is a proxy configuration where the client browsers do not need to be configured to use the proxy. The proxy intercepts the traffic and forwards it to the destination. A transparent mode does not allow the client browsers to select when to connect direct or when to use the proxy34

A forward file is not a valid proxy configuration method.

A bridge mode is a network configuration where a device connects two or more network segments and forwards traffic between them. A bridge mode is not a proxy configuration method5 References := 1: Proxy Auto-Configuration (PAC) file - HTTP | MDN 2: Proxy auto-config - Wikipedia 3: Explicit and Transparent Proxy - techdocs.broadcom.com 4: Configure Explicit Proxy - Palo Alto Networks | TechDocs 5: config web-proxy explicit | FortiGate / FortiOS 7.4.0

DNSSEC (Domain Name System Security Extensions) is a technology that protects DNS from cache poisoning and spoofing attacks by digitally signing DNS data with cryptographic keys. DNSSEC ensures the integrity and authenticity of DNS responses, preventing attackers from redirecting traffic to malicious domains. Cisco Umbrella supports DNSSEC by performing validation on queries sent from Umbrella resolvers to upstream authorities. This means that Umbrella will only accept DNS responses that are signed and verified by the authoritative servers for each domain. To enable DNSSEC validation, the organization needs to configure Cisco Umbrella and use DNSSEC for domain authentication to authoritative servers. This will ensure that Umbrella resolvers will reject any forged or tampered DNS responses and provide secure DNS resolution for the organization’s network. References :=

Some possible references are:

Implementing and Operating Cisco Security Core Technologies (SCOR) v1.0, Module 2: Network Security, Lesson 2.5: Implement DNS Security

What is DNSSEC and Why Is It Important? - Cisco Umbrella

DNSSEC General Availability – Cisco Umbrella