N10-009 Free Practice Test

- (Exam Topic 3)
A technician is consolidating a topology with multiple SSlDs into one unique SSID deployment. Which of the following features will be possible after this new configuration?

1. A. Seamless roaming
2. B. Basic service set
3. C. WPA
4. D. MU-MIMO

Correct Answer: A

- (Exam Topic 3)
A company wants to invest in new hardware for the core network infrastructure. The management team requires that the infrastructure be capable of being repaired in less than 60 minutes if any major part fails. Which of the following metrics is MOST likely associated with this requirement?

1. A. RPO
2. B. MTTR
3. C. FHRP
4. D. MTBF

Correct Answer: B
MTTR is directly related to how quickly a system can be repaired if any major part fails3. The management team requires that the infrastructure be capable of being repaired in less than 60 minutes, which means they have a low MTTR requirement.
MTTR stands for Mean Time To Repair and is a metric used to measure the average amount of time it takes to repair a failed component or system. In this case, the requirement is for the infrastructure to be capable of being repaired in less than 60 minutes if any major part fails, which means the MTTR should be less than 60 minutes.

- (Exam Topic 3)
A corporate client is experiencing global system outages. The IT team has identified multiple potential underlying causes throughout the enterprise Each team member has been assigned an area to trouble shoot. Which of the following approaches is being used?

1. A. Divide-and-conquer
2. B. Top-to-bottom
3. C. Bottom-to-top
4. D. Determine if anything changed

Correct Answer: A

- (Exam Topic 3)
A technician is troubleshooting a connectivity issue with an end user. The end user can access local network shares and intranet pages but is unable to access the internet or remote resources. Which of the following needs to be reconfigured?

1. A. The IP address
2. B. The subnet mask
3. C. The gateway address
4. D. The DNS servers

Correct Answer: C

- (Exam Topic 3)
An employee working in a warehouse facility is experiencing interruptions in mobile applications while walking around the facility. According to a recent site survey, the WLAN comprises autonomous APs that are directly connected to the internet, providing adequate signal coverage. Which of the following is the BEST solution to improve network stability?

1. A. Implement client roaming using an extended service deployment employing a wireless controller.
2. B. Remove omnidirectional antennas and adopt a directional bridge.
3. C. Ensure all APs of the warehouse support MIMO and Wi-Fi 4.
4. D. Verify that the level of EIRP power settings is set to the maximum permitted by regulations.

Correct Answer: A
Client roaming refers to the ability of a wireless device to seamlessly connect to a different access point (AP) as the user moves around the facility. This can help to improve network stability and reduce interruptions in mobile applications. An extended service deployment is a type of wireless network configuration that uses multiple APs to cover a large area, such as a warehouse facility. By using a wireless controller to manage the APs, the network can be better optimized for client roaming, which can improve network stability.
"Roaming With multiple WAPs in an ESS, clients will connect to whichever WAP has the strongest signal. As clients move through the space covered by the broadcast area, they will change WAP connections seamlessly, a process called roaming."