Wireless LAN, Specialist (JNCIS-WLAN) - JN0-380 Exam Practice Test

Question 1

You want to provide secure wireless services to one set of clients on your network and allow open access services to your guest clients. You need to configure service profiles for each type of access to the network.
Which three methods are used to accomplish this? (Choose three.)

A. Configure IP addresses.

B. Configure VLANs.

C. Configure an encryption type.

D. Configure SSIDs.

E. Configure one service per WL

Correct Answer: B,C,D

Question 2

Which Juniper Networks WLA model supports spectrum analysis?

A. WLA422

B. WLA532

C. WLA632

D. WLA371

Correct Answer: B

Question 3

A secure wireless service is configured using a service profile.
Which feature is allowed on a secure service profile?

A. multiple SSIDs on the same service profile

B. per-service profile RF scanning behavior

C. users assigned to multiple VLANs attached to the same service profile

D. unencrypted traffic and encrypted traffic

Correct Answer: C

Question 4

Communication between the wireless controllers and the network core are not reliable. Data throughput does not appear to be working and access point communication is intermittent.
Which two actions would you use to troubleshoot the problem? (Choose two.)

A. The administrator can issue the command show port counters from the controller CLI.

B. The administrator can use the configuration view in RingMaster to verify the port configurations of the controller.

C. The administrator can issue the command show port config from the controller CLI.

D. The administrator can use the RingMaster monitoring dashboard to view the controller status for the port configurations.

Correct Answer: A,D

Question 5

You have an AP at a remote site and must obtain configuration information from a WLC on your network across a WAN link. The remote site uses NAT.
Which two UDP ports must be permitted at the NAT boundary to accomplish this?

A. 1813

B. 5247

C. 5000

D. 1812

Correct Answer: B,C

Question 6

Which two cipher methods are supported when configuring a WPA2 wireless service? (Choose two.)

A. CCKM

B. LEAP

C. AES (CCMP)

D. TKIP

Correct Answer: C,D

Question 7

Which statement is true about the process for PEAP-MSCHAPv2 offload?

A. The wireless LAN controller (WLC) handles client EAP requests.

B. The client emulates the authentication server.

C. The access point (AP) handles client EAP requests.

D. The Web Portal emulates the authentication server.

Correct Answer: A

Question 8

A company has installed new voice-over-wireless phones but complains that the voice quality is very poor.
What are two reasons for this problem? (Choose two.)

A. The SSID "voice" is not set up.

B. There is a noisy RF environment.

C. The voice user limit has been reached.

D. The appropriate QoS is not set up.

Correct Answer: B,D

Question 9

During the installation of RingMaster, you receive the installation error: "HTTPS Server port is already in use. Please select another port."
What should you do to resolve this issue?

A. Change the HTTPS Server port number so that it does not conflict with other applications.

B. Change the HTTPS Server port number to 443.

C. Change the SNMP Trap Receiver port to 162.

D. Restart the installation process so that RingMaster can resolve the issue.

Correct Answer: A

Juniper Wireless LAN, Specialist (JNCIS-WLAN) - JN0-380 Exam Practice Test

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