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Cisco 300-445 Exam Syllabus Topics:

Topic	Details
Topic 1	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.
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	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 4	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.

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Cisco Designing and Implementing Enterprise Network Assurance Sample Questions (Q95-Q100):

NEW QUESTION # 95
Refer to the exhibit. An engineer configured an agent-to-agent RTP test with the DSCP option set to EF between the office and the HQ to monitor voice quality. Users report intermittent voice quality issues. Which recommendation should the engineer make to improve voice quality?

A. Change to a voice codec suitable for high-latency networks.
B. Shift the VoIP traffic to an alternate server.
C. Add more DSP resources for call flow.
D. Add QoS marking of voice traffic with EF.

Answer: D

Explanation:
The RTP test was configured for EF (Expedited Forwarding), but the test results show the traffic is being received as Best Effort (DSCP 0). This means QoS marking is not being applied or preserved in the network. Without EF priority, packet loss and jitter increase, degrading voice quality. Marking (and honoring) EF resolves the issue.

NEW QUESTION # 96
Carefully review the exhibits. Which detail indicates the network issue might be caused by a BGP Hijack?

A. HTTP Server response delay
B. Availability Drop
C. AS 16509 change to AS 10297
D. Packet Loss

Answer: C

Explanation:
In the Designing and Implementing Enterprise Network Assurance (300-445 ENNA) curriculum, identifying routing anomalies such as BGP Hijacking is a critical aspect of external network assurance. A BGP Hijack occurs when an Autonomous System (AS) illegitimately announces a prefix it does not own, causing traffic intended for the rightful owner to be misdirected.
By contrasting Exhibit 3.4-1 (Before the Outage) and Exhibit 3.4-2 (During the Outage), a definitive change in the routing path is observed. In the baseline view (Exhibit 3.4-1), traffic from the Los Angeles agent reaches the destination network 54.239.104.0/23, which is correctly associated with Amazon.com, Inc. (AS
16509) . However, during the outage (Exhibit 3.4-2), the path visualization shows the traffic being redirected into a different network: eNET Inc. (AS 10297) . At this new location, the traffic encounters 100% Forwarding Loss at the node ten7-8.core-2.xlhost.com.
The change in the Autonomous System (AS) number from 16509 to 10297 (Option B) is the most concrete indicator of a BGP Hijack. While symptoms such as Availability Drop (Option A), Response Delay (Option C), and Packet Loss (Option D) are clearly visible in the ThousandEyes telemetry, these symptoms are generic and could be caused by various other issues like physical link failures or congestion. The shift in the AS path-specifically to an AS that does not legitimately host the target ' s IP prefix-provides the forensic evidence needed to identify the root cause as a routing takeover. This visualization allows network administrators to bypass internal troubleshooting and immediately focus on external remediation with upstream providers.

NEW QUESTION # 97

Refer to the exhibit. Which security incident is causing a drop in website availability?

A. man-in-the-middle attack
B. DDoS attack
C. DNS hijack
D. invalid SSL certificate

Answer: B

NEW QUESTION # 98
Which location for an agent would be most suitable for diagnosing local network issues effectively?

A. On the cloud
B. At the default gateway
C. At a remote branch office
D. At the data center

Answer: B

Explanation:
Placing an agent at the default gateway allows for monitoring and diagnosing issues related to local network connectivity effectively.

NEW QUESTION # 99
Which agent type is best suited for simulating user interactions with web applications?

A. Endpoint agent
B. Scripting agent
C. Local collection agent
D. Synthetic user agent

Answer: D

Explanation:
A synthetic user agent is specifically designed to simulate user interactions with web applications, making it the most suitable option for this task.

NEW QUESTION # 100
......

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