Cisco Updated 350-701 Exam Questions and Answers by kitty

Cisco SensorBase gathers threat information from a variety of Cisco products and services, such as Cisco IPS, Cisco ASA, Cisco IronPort, Cisco Umbrella, and Cisco Talos, and performs analytics to find patterns on threats. This process is called consumption, which is one of the four phases of the Cisco Security Intelligence Operations (SIO) framework. The consumption phase involves collecting, aggregating, and analyzing threat data from multiple sources and providing actionable intelligence and tools to customers and partners. The consumption phase also leverages the Cisco SensorBase Network, which is the world’s largest threat monitoring network that tracks millions of domains and IP addresses around the world and maintains a global watch list for Internet traffic. SensorBase provides Cisco with an assessment of reliability for known Internet domains and IP addresses, based on their reputation score, category, volume, and threat level. SensorBase also provides threat data overviews, such as the top email and spam senders by country, and the standard categories used to classify website content and attack types1234. References := 1: How Cisco’s SensorBase works | Network World 2: What is Cisco SensorBase? - networklore.com 3: User Guide for AsyncOS 15.0 for Cisco Secure Web Appliance - GD … 4: Cisco Security Intelligence Operations At-A-Glance

The process in DevSecOps where all changes in the central code repository are merged and synchronized is called Continuous Integration (CI). CI is a practice that aims to improve the quality and speed of software development by automating the building, testing, and integration of code changes. CI enables developers to collaborate more effectively and detect errors early in the development cycle. CI also helps to ensure that the code in the repository is always in a deployable state and conforms to the security and quality standards123. References: 1: Implementing and Operating Cisco Security Core Technologies (SCOR) course, Module 5: Secure Network Access, Identity Management, and Visibility, Lesson 5.1: Introducing DevSecOps 2: DevSecOps code process - AT&T4 3: Building a DevSecOps Culture - from a Technical Perspective5

The Cisco Stealthwatch system collects and analyzes network telemetry such as flow (NetFlow, sFlow, JFlow, IPFIX, etc.) from routers, switches, and firewalls to monitor network and user behavior. The system conducts sophisticated, proprietary analytics on network data to automatically detect abnormal behaviors that may signify an attack1. NetFlow is a protocol that provides information about network traffic flows, such as source and destination IP addresses, ports, protocols, bytes, packets, and timestamps. NetFlow data can be used to identify network anomalies, bandwidth usage, application performance, and security incidents2. References :=

Some possible references are:

1: Cisco Stealthwatch Improves Threat Defense with Network Visibility and Security Analytics, Zones, 3 2: What is NetFlow? Definition and Benefits, Cisco, 7

ESA stands for Email Security Appliance, which is a Cisco product that provides comprehensive email security solutions. ESA can be deployed in different modes, such as gateway, hybrid, or cloud, depending on the customer’s needs and preferences. One of the key components of ESA configuration is the listener, which is a service that listens for incoming SMTP connections on a specific port and interface. A listener can be configured to handle inbound or outbound email, or both, depending on the mail flow policies and sender groups that are applied to it.

One way to segregate inbound and outbound email on ESA is to use a pair of logical listeners on a single physical interface with two unique logical IPv4 addresses and one IPv6 address. This method allows the ESA to have two separate listeners for inbound and outbound email, each with its own IP address and mail flow policies, while using the same physical interface and port. This can simplify the network configuration and reduce the hardware requirements for ESA deployment. The IPv6 address can be used to support dual-stack IPv4 and IPv6 environments, or to provide redundancy in case of IPv4 address exhaustion.

The other options are incorrect because:

• A is false, as one listener on a single physical interface cannot segregate inbound and outbound email, unless it uses different sender groups and mail flow policies for different hosts, which is not a recommended practice.
• C is false, as pair of logical IPv4 listeners and a pair of IPv6 listeners on two physically separate interfaces is an unnecessary and complex configuration that does not provide any additional benefits over option B.
• D is false, as one listener on one logical IPv4 address on a single logical interface cannot segregate inbound and outbound email, unless it uses different sender groups and mail flow policies for different hosts, which is not a recommended practice.

References:

• ESA Outbound Traffic Relay Configuration Example
• How do I configure a relay host on the ESA for outbound mail?
• [Implementing and Operating Cisco Security Core Technologies (SCOR) v1.0] - Module 5: Securing Email with Cisco Email Security Appliance, Lesson 5.1: Describing the Cisco Email Security Solution