Juniper Juniper Certification JN0-451 Questions & Answers

• Question 31:

  According to the Coverage SLE, which classifier tracks an AP that transmits at a lower data rate than a connected client?

  A. Latency

  B. Slow OKC Roam

  C. Asymmetry Downlink

  D. Device Capability

  Correct Answer: B

• Question 32:

  A retail customer has legacy 2.4 GHz scanners that need to connect to the WLAN, but they are not connecting.

  Which WLAN data rate setting is required for these devices to connect?

  A. Custom Rates

  B. Compatible

  C. High Density

  D. No Legacy

  Correct Answer: B

• Question 33:

  Which two fields are required when creating a new site? (Choose two.)

  A. RF template

  B. site name

  C. location

  D. time zone

  Correct Answer: BC

• Question 34:

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

  A. Each BSS within the ESS share a common BSSID.

  B. Each BSS within the ESS has its own unique BSSID.

  C. The SSID is common across all BSSs within the ESS.

  D. The SSID is unique across all BSSs within the ESS.

  Correct Answer: AC

• Question 35:

  Click the Exhibit button.

  

  Users are occasionally having problems connecting to the Internet using Wi-Fi. You suspect possible interference from a neighboring Wi-Fi network.

  Referring to the exhibit, which Wi-Fi Assurance SLE and classifier would provide information about this issue?

  A. Throughput and Network Issues

  B. Capacity and Non Wi-Fi Interference

  C. Coverage and Weak Signal

  D. Capacity and Wi-Fi Interference

  Correct Answer: D

• Question 36:

  Which two statements are correct about channel bonding? (Choose two.)

  A. Bonding two channels together doubles the available bandwidth.

  B. Bonding two channels together doubles the required device resources.

  C. Bonding two channels together doubles the noise floor.

  D. Bonding two channels together doubles the number of available channels.

  Correct Answer: AC

  Reference: https://www.makeuseof.com/tag/internet-speed-channel-bonding/

• Question 37:

  Once a client discovers an access point, what is the correct order of steps for successful 802.1X authentication?

  A. Open System Authentication -> 802.1X Authentication -> Association

  B. Association -> 802.1X Authentication -> Open System Authentication

  C. Association -> Open System Authentication -> 802.1X Authentication

  D. Open System Authentication -> Association -> 802.1X Authentication

  Correct Answer: D

• Question 38:

  Which two statements are true about 802.1X/EAP? (Choose two.)

  A. Credentials are exchanged with a RADIUS server prior to the 4-way Handshake.

  B. Credentials are exchanged with a RADIUS server after the 802.11 Association.

  C. Credentials are exchanged with a RADIUS server after the 4-way Handshake.

  D. Credentials are exchanged with a RADIUS server prior to the 802.11 Association.

  Correct Answer: AC

• Question 39:

  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.

  Correct Answer: BC

• Question 40:

  What does Mist's patented 16-element vBLE Antenna Array do when "engagement" is enabled?

  A. performs radio resource management

  B. locates Wi-Fi assets

  C. transmits unique and directional BLE beams

  D. performs personal pre-shared key sharing

  Correct Answer: C

  Reference: https://www.mist.com/resources/ap61-access-point/