Juniper JN0-250 Online Practice Questions and Exam Preparation

Juniper JN0-250 Online Questions & Answers

• Question 51:

  Which statement is correct about a WLAN RF medium?

  A. A WLAN RF is a full duplex, contention free medium where each client transmits on a separate channel.
  B. A WLAN RF is a full-duplex, contention-free medium where 802.11 stations can transmit and receive at the same time.
  C. A WLAN RF is a half-duplex, shared medium where 802.11 stations contend with each other for access.
  D. A WLAN RF is a half-duplex, contention-free medium where the access point polls each station in turn.
  C. A WLAN RF is a half-duplex, shared medium where 802.11 stations contend with each other for access.

• Question 52:

  How should a Mist AP43 be mounted?

  A. mounted vertically above ceilings
  B. mounted horizontally on a ceiling
  C. mounted horizontally on a table
  D. mounted vertically on a wall
  D. mounted vertically on a wall

• Question 53:

  How should you design a WLAN to ensure optimal performance?

  A. Place one access point in every room and allow RRM to tune the power and channel settings.
  B. Use RF modelling software to design a WLAN to satisfy customer requirements.
  C. Initially install 4-8 access points, then use the Mist capacity SLE to determine the remaining access point placements.
  D. Place an access point every 8-15 meters in all areas requiring coverage.
  B. Use RF modelling software to design a WLAN to satisfy customer requirements.

• Question 54:

  What does 802.11ac (Wi-Fi 5) specify as the maximum channel width?

  A. 160 MHz
  B. 60 MHz
  C. 20 MHz
  D. 40 MHz
  A. 160 MHz

• Question 55:

  What does RSSI measure?

  A. frequency
  B. signal strength
  C. interference
  D. noise
  B. signal strength

• Question 56:

  The DHCP server has run out of address leases on a site.

  In this scenario, which SLE would be useful to what is happening?

  A. capacity
  B. throughput
  C. roaming
  D. successful connects
  D. successful connects

• Question 57:

  What are two methods of activating a Mist AP? (Choose two.)

  A. Use the activation code.
  B. Use the claim code.
  C. Use the serial number.
  D. Use the universal product code.
  A. Use the activation code.
  D. Use the universal product code.

• Question 58:

  When using the Mist Cloud with Mist APs, which statement is correct?

  A. User data is terminated in the cloud and run through a firewall.
  B. User data is compressed and terminated in the cloud.
  C. User data is terminated in the cloud and forwarded.
  D. User data is bridged locally.
  D. User data is bridged locally.

• Question 59:

  Mist Radio Resource Management makes dynamic changes to which resource?

  A. RF template
  B. channel width
  C. channel
  D. BLE channel
  C. channel

• Question 60:

  Which organization is responsible for certifying that products and technology satisfy Wi-Fi interoperability?

  A. Wi-Fi Alliance
  B. IETF
  C. IEEE
  D. ISO
  A. Wi-Fi Alliance