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The Cisco 300-445 desktop-based practice exam is compatible with Windows-based computers and only requires an internet connection for the first-time license validation. The web-based Designing and Implementing Enterprise Network Assurance (300-445) practice test is accessible on any browser without needing to install any separate software. Finally, the Designing and Implementing Enterprise Network Assurance (300-445) dumps pdf is easily portable and can be used on smart devices or printed out.
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NEW QUESTION # 37
Refer to the exhibit. An engineer must monitor the customer experience for an online banking application hosted in the private data center of the bank. Which ThousandEyes agent must the engineer deploy?
Answer: B
Explanation:
To monitor customer experience for an online banking application, the testing must simulate external, internet-based users accessing the bank's private data center.
Cisco ThousandEyes Cloud Agents run globally on the internet and provide the correct outside-in visibility required to measure real customer experience.
NEW QUESTION # 38
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 # 39
Which security issue affecting network performance can be identified using collected data in network assurance?
Answer: A
Explanation:
BGP hijacking is a security issue affecting network performance that can be identified using collected data in network assurance, enabling proactive threat mitigation.
NEW QUESTION # 40
What is the primary objective of setting a metric baseline in network performance analysis?
Answer: A
Explanation:
The primary objective of setting a metric baseline is to establish performance benchmarks for comparison and evaluation.
NEW QUESTION # 41
You want to create an endpoint label that automatically includes all Endpoint Agents connected to your corporate network. If your agents are named using the format agentname-network, what filter would you use in the hostname field to achieve this?
Answer: A
Explanation:
In the Designing and Implementing Enterprise Network Assurance (300-445 ENNA) framework, managing a large-scale deployment of Endpoint Agents requires efficient categorization through Agent Labels . Agent labels are used to group agents for targeted test assignment and data filtering based on specific attributes like location, OS, or naming conventions.
ThousandEyes supports the use of wildcards (specifically the * symbol) within label filters to allow for dynamic and scalable grouping. In this scenario, the organization has adopted a naming convention of agentname-network. To capture all agents connected to the " corporate " network regardless of the unique agentname prefix, the engineer should use the filter *-corporate (Option A) in the hostname or agent name field. The asterisk functions as a placeholder for any string of characters, ensuring that any agent ending with
" -corporate " is automatically added to the label as soon as it registers with the ThousandEyes platform.
Other options are incorrect for the following reasons:
* agentname-* (Option B): This would only match agents that literally start with the string " agentname-
" , which is a placeholder and not a representative filter for a group of uniquely named agents.
* agent*corporate (Option C): This filter is overly broad and lacks the specific hyphen delimiter used in the organization ' s naming convention, potentially leading to the inclusion of unintended agents.
* No wildcard (Option D): Wildcards are a documented and essential feature of the ThousandEyes label system to facilitate automated management in enterprise environments.
By implementing wildcard-based labels, the network administrator ensures that new agents are seamlessly integrated into the assurance strategy without the need for manual manual intervention.
NEW QUESTION # 42
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