Free Practice Questions for Juniper JN0-451 Exam

Which two statements correctly describe an extended service set (ESS)? (Choose two.)

• Each BSS within the ESS share a common BSSID.
• Each BSS within the ESS has its own unique BSSID.
• The SSID is common across all BSSs within the ESS.
• The SSID is unique across all BSSs within the ESS.

Which access points (APs) will be considered for inclusion in the AP Ofline Marvis Action?all APs assigned to sites that have connected to the cloud previouslyall APs assigned to sitesall APs in inventoryall purchased APs

• all APs assigned to sites that have connected to the cloud previously.

What do 802.11 stations perform to help avoid collisions on the WLAN medium?

• 802.11 stations detect collisions and set a back-off timer.
• Listen to verify that the medium is free before transmitting.
• Stations only transmit when polled by the access point.
• Transmit on a fixed schedule.

Your customer added an Apple TV in their conference room so that employees can easily share their screen. However, the Apple TV cannot be discovered by the employees’ devices.Which two settings are causing the problem? (Choose two.)MDNSBroadcast/MulticastIgnore Broadcast SSID Probe RequestsARP

• MDNS and B. Broadcast/Multicast.

You are deploying multiple Mist APs across many sites in your network. You must ensure that you apply consistent WxLAN and WLAN policies across all sites within the same organization.Which configuration object should be used to accomplish this behavior?

• site labels
• an RF template
• a device profile
• a config template

You are asked to set up occupancy analytics for an office that has an existing Mist AP. Which three types of devices are counted by default? (Choose three.)

• mobile app clients
• cellular clients
• Wi-Fi clients
• Zigbee clients
• BLE assets

Site A is configured with a WLAN and a policy. The administrator creates a configuration template at the organization level with additional policies for the same WLAN and mentions Site A in this template.In this scenario, which statement is correct?

• The policy that is created in the config template at the organization level will execute first.
• The policy created at the organization level can be applied to a site group, not to an individual site.
• The policy that is created at the site level will execute first.
• There is no option to mention the site in the config template at the organization level.

You must define VLANs as untagged, tagged, or using VLAN pooling.In this scenario, where would you accomplish this task in the Juniper Mist UI?

• site settings
• WLAN settings
• organization settings
• policy settings

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.)Install Virtual Beacons in each aisle.Configure the height of each AP.Determine the orientation of each AP.Disable the 2.4 GHz Wi-Fi radios to reduce interference.

• Install Virtual Beacons in each aisle and B. Configure height of each AP.

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?Asymmetry DownlinkWi-Fi InterferenceAsymmetry UplinkSlow OKC Roam

• Asymmetry Downlink