JN0-451 Certification Overview - [Nov 18, 2023] Latest JN0-451 PDF Dumps
The Best Juniper JN0-451 Study Guides and Dumps of 2023
NEW QUESTION # 14
You are using location-based services (LBS) at a new warehouse and placed the APs on the floor plan with the correct scale. The APs are mounted on trusses, 14 feet (4.3 meters) from the floor.
Which two actions ensure correct location accuracy in this scenario? (Choose two.)
- A. Install Virtual Beacons in each aisle.
- B. Configure the height of each AP.
- C. Determine the orientation of each AP.
- D. Disable the 2.4 GHz Wi-Fi radios to reduce interference.
Answer: A,B
Explanation:
When using location-based services (LBS) at a new warehouse and placing APs on the floor plan with correct scale while ensuring correct location accuracy in this scenario where APs are mounted on trusses 14 feet (4.3 meters) from floor, two actions that should be taken are installing Virtual Beacons in each aisle and configuring height of each AP. So the correct answers are A. Install Virtual Beacons in each aisle and B. Configure height of each AP.
NEW QUESTION # 15
Which two terms correctly describe transmissions over Wi-Fi? (Choose two.)
- A. full-duplex
- B. half-duplex
- C. shared medium
- D. point-to-point medium
Answer: B,C
Explanation:
Explanation
Transmissions over Wi-Fi are shared medium and half-duplex.
NEW QUESTION # 16
What are two 802.11 MAC frame types? (Choose two.)
- A. SSID
- B. management
- C. BSSID
- D. control
Answer: B,D
Explanation:
Reference:
According to the Lecture 4 - MAC Layer - Part 1 document, two 802.11 MAC frame types are:
Control, which is used to coordinate access to the wireless medium and acknowledge successful transmissions.
Management, which is used to establish and maintain associations between devices and perform functions such as authentication, scanning, and roaming.
NEW QUESTION # 17
Click the Exhibit button.
Referring to the exhibit, in the USA, which two statements are correct? (Choose two.)
- A. The WLAN with SSID Eero1234 is not configured to industry best practices.
- B. The WLAN with SSID NETGEAR24 is not configured to industry best practices.
- C. The WLAN with SSID NETGEAR24 is configured to industry best practices.
- D. The WLAN with SSID Eero1234 is configured to industry best practices.
Answer: A,C
Explanation:
Explanation
Referring to the exhibit and considering that it is in the USA, the WLAN with SSID Eero1234 is not configured to industry best practices while the WLAN with SSID NETGEAR24 is configured to industry best practices.
NEW QUESTION # 18
Asset tracking using Mist-supported third-party BLE beacons has been installed in a warehouse. The BLE beacons were configured using their manufacturer-supplied configuration utility and BLE was properly configured for the site settings. When the warehouse floor plan is opened in Live View, the third-party beacons are not shown.
Which two statements describe causes for this issue? (Choose two.)
- A. Marvis was not enabled for the site.
- B. The Locate this Client as an Asset check box has not been selected at the BLE client level.
- C. The APs are installed at 19 feet from the floor, above the recommended 15 feet.
- D. The Show assets check box has not been selected in Live View.
Answer: B,D
Explanation:
Explanation
According to the Mist documentation1, asset tracking is a service that allows you to find key assets and people with detailed analytics based on their location using Mist-supported third-party BLE beacons. To enable asset tracking, you need to configure both the BLE beacons and the Mist cloud settings.
The Show assets check box is a setting in Live View that allows you to display or hide the assets on the floor plan2. If this check box is not selected, you will not be able to see the third-party beacons on Live View.
The Locate this Client as an Asset check box is a setting at the BLE client level that allows you to treat a BLE client as an asset for location purposes3. If this check box is not selected, you will not be able to track the BLE client as an asset.
NEW QUESTION # 19
Which two SLEs measure the amount of time that it takes for a process to complete? (Choose two.)
- A. roaming
- B. time to connect
- C. AP uptime
- D. throughput
Answer: A,B
Explanation:
Explanation
Two SLEs that measure amount of time it takes for process to complete are roaming and time to connect.So,the correct answers are A.roaming and D.time to connect
NEW QUESTION # 20
You want to identify APs that are not associated with your network. However, the APs broadcast your corporate login page and WLAN name.
What does Mist use to identify APs in this scenario?
- A. a honeypot AP
- B. a neighbor AP
- C. an approved AP
- D. a rogue AP
Answer: D
Explanation:
Explanation
In a scenario where you want to identify APs that are not associated with your network but broadcast your corporate login page and WLAN name, Mist would use a rogue AP to identify these APs.
NEW QUESTION # 21
Referring to the exhibit, what is the site ID?
- A. 02e208b2d34f
- B. 978c48e6-6ef6-11e6-8bbf-02e208b2d34f
- C. 9777c1a0-6ef6-11e6-8bbf-02e208b2d34
- D. 02e208b2d34
Answer: B
NEW QUESTION # 22
According to the Coverage SLE, which classifier tracks a client that transmits at a lower data rate than the AP to which it is connected?
- A. Asymmetry Downlink
- B. Asymmetry Uplink
- C. Wi-Fi Interference
- D. Slow OKC Roam
Answer: A
Explanation:
Explanation
According to Coverage SLE, Asymmetry Downlink classifier tracks a client that transmits at lower data rate than AP to which it is connected.So the correct answer is A.Asymmetry Downlink
NEW QUESTION # 23
What are two functions of Mist Radio Resource Management (RRM)? (Choose two.)
- A. channel assignment
- B. WLAN scheduling
- C. transmit power control
- D. Ethernet configurations
Answer: A,C
Explanation:
Explanation
Mist Radio Resource Management (RRM) performs several functions including transmit power control and channel assignment which help optimize wireless network performance by dynamically adjusting radio settings based on changing environmental conditions.So,the correct answers are A.transmit power control and C.channel assignment
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