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Cisco 300-445 Exam Syllabus Topics:

TopicDetails
Topic 1
  • Data Collection Implementation: This domain focuses on deploying enterprise and endpoint agents across infrastructure and end-user devices. It covers configuring network, DNS, voice, web, and endpoint tests using ThousandEyes and Meraki Insights, along with implementing synthetic web tests and authentication methods.
Topic 2
  • Platforms and Architecture: This domain covers understanding monitoring agent types and placement, active versus passive monitoring, and ThousandEyes WAN Insights. It addresses Cisco platform integrations, metric baselines, and selecting appropriate integration methods and assurance platforms based on business requirements.
Topic 3
  • Insights and Alerts: This domain addresses configuring alert rules based on network conditions and end-user experience factors. It covers selecting metrics for stakeholders, validating alerts, and recommending network optimization for capacity planning.
Topic 4
  • Data Analysis: This domain encompasses diagnosing network issues like packet loss, congestion, routing, and jitter, plus end-device problems. It includes analyzing web application performance and identifying security threats such as DDoS attacks, DNS hijacking, and BGP hijacking.

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Cisco Designing and Implementing Enterprise Network Assurance Sample Questions (Q69-Q74):

NEW QUESTION # 69
How does integrating Cisco Catalyst Manager with Webex Control Hub benefit network management?

Answer: D

Explanation:
Integrating Cisco Catalyst Manager with Webex Control Hub benefits network management by centralizing device management, enabling efficient configuration and monitoring of network devices in network assurance.


NEW QUESTION # 70
Which of the following is an example of active monitoring in network performance management?

Answer: D

Explanation:
Within the framework of Designing and Implementing Enterprise Network Assurance (300-445 ENNA), network monitoring is categorized into two primary methodologies: active and passive monitoring. Active monitoring (Option C) is characterized by the generation of synthetic or
"probes" traffic specifically designed to measure network performance. These probes simulate real-world user activity, such as HTTP requests, DNS queries, or ICMP pings, to baseline performance metrics like latency, jitter, and packet loss.
The core benefit of the active approach is its independence from actual user traffic. By sending a continuous ping or synthetic HTTP probe, an engineer can verify path availability and performance even during off-peak hours when no real users are on the network. In the context of Cisco ThousandEyes--a central platform in the ENNA certification--this is the primary mode of operation for Cloud, Enterprise, and Endpoint agents. For instance, a ThousandEyes network test proactively sends packets to a target IP or URL to visualize the hop-by-hop underlay and overlay paths.


NEW QUESTION # 71
Refer to the exhibit.

A network admin has been tasked with monitoring the IPv6 record and name server resolution times with different agents. Select the two actions that the engineer must take to meet the requirements.

Answer: B,C

Explanation:
According to the Designing and Implementing Enterprise Network Assurance (300-445 ENNA) curriculum, DNS testing is a fundamental component of ensuring application availability and performance.
The ThousandEyes platform provides two primary types of DNS tests: DNS Server and DNS Trace .
To satisfy the specific requirements of monitoring IPv6 records and name server resolution times , the engineer must utilize the DNS Server test . This test type is designed to measure the performance of specific DNS servers by querying them for particular resource records.
* Monitoring IPv6 Records: In the DNS system, IPv6 address records are known as AAAA records .
Therefore, to monitor the availability and resolution of IPv6 addresses for a domain, the engineer must create a DNS Server test and set the query type to AAAA (Option B).
* Monitoring Name Server Resolution Times: To measure how long it takes for a DNS server to return the authoritative name servers for a domain, the engineer must query for NS (Name Server) records .
By creating a DNS Server test targeting the NS record (Option D), the platform can provide granular metrics on the response time and availability of those specific records from the perspective of the selected agents.
DNS Trace tests (Options C and E) are less suitable for measuring specific resolution times of a single server; instead, they are used to visualize the entire delegation path from the root servers down to the authoritative servers to identify where a " break " in the chain occurs. Furthermore, an A record query (Option A) only provides the IPv4 address, failing the requirement to monitor IPv6. By selecting DNS Server tests for AAAA and NS records, the administrator ensures they have the precise performance data needed to baseline and troubleshoot the organization ' s DNS health.


NEW QUESTION # 72
The following exhibit shows the Capacity Planning results for a router interface connected to an ISP, which provides a 1Gbps connection. Based on the evidence, which action is most likely to fix the observed behavior?

Answer: B

Explanation:
In the context of Designing and Implementing Enterprise Network Assurance (300-445 ENNA) , capacity planning requires accurate baselining of interface bandwidth against its theoretical and provisioned limits.
Analyzing Exhibit 4.5 Question 4 (image_79d4fc.jpg) reveals a significant discrepancy between the physical reality of the link and its configuration within the monitoring tool.
The exhibit displays a capacity planning dashboard with a calendar heatmap and traffic graphs. The heatmap for February through May shows a high frequency of " Severe " (red) utilization blocks. Looking at the Egress graph for Tue May 07 2024 , the traffic spikes clearly exceed 40.0 Mbps. Crucially, the dashboard indicates an " Egress Capacity " of 49.5 Mbps and reports that the " Highest consumption " was 48.0 Mbps, representing 97% of the available bandwidth.
However, the question states that the ISP provides a 1 Gbps (1000 Mbps) connection . Since the actual traffic being sent is less than 50 Mbps, the link is nowhere near physical saturation. The " Severe " alerts and high utilization percentages are occurring only because the monitoring software (likely ThousandEyes or a similar NMS) is configured with a Maximum Capacity of only 49.5 Mbps for this interface. This misconfiguration causes the tool to calculate utilization based on a much smaller " pipe " than what actually exists, leading to false-positive alerts.
Therefore, the most likely action to fix this observed behavior is to reconfigure maximum capacity for the interface (Option B) to match the 1 Gbps specification.
* Option A is unnecessary because the current link is only being utilized at ~5% of its 1 Gbps potential.
* Option C is a restrictive policy change that is not justified given the actual available headroom.
* Option D might shift how data is displayed but will not fix the underlying mathematical error in utilization calculations.


NEW QUESTION # 73
What is the primary purpose of diagnosing end-device network issues using collected data?

Answer: D

Explanation:
The primary purpose of diagnosing end-device network issues using collected data is to identify and resolve connectivity issues affecting device performance and user experience in network assurance.


NEW QUESTION # 74
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