Juniper JN0-452 問題集

質問 1：
Click the Exhibit button.

Referring to the exhibit, which two statements are true? (Choose two.)
A. All ARP broadcasts on the wired network are blocked from going out of the wireless interface.
B. Clients connected to the same AP maintain communication with each other.
C. Clients connected to the same AP remain isolated from each other.
D. All ARP broadcasts on the wired network are sent out of the wireless interface.
正解：A,C
解説: (Topexam メンバーにのみ表示されます)

質問 2：
You connect your Juniper Access Point to your switch and verify that the power is on, your Ethernet link is functioning, and an IP address is properly assigned. However, your access point is not appearing as connected on the Juniper Mist dashboard as the LED blink code indicates no cloud connectivity.
What would be the next step in determining the problem?
A. Verify that the Juniper Access Point is communicating properly with the DHCP server.
B. Verify that UDP port 53 and TCP port 80 are open on your enterprise firewall.
C. Verify that UDP port 53 and TCP port 443 are open on your enterprise firewall.
D. Verify that your Wi-Fi assurance license has not expired.
正解：C
解説: (Topexam メンバーにのみ表示されます)

質問 3：
Users are reporting that connecting to a WLAN that tunnels traffic through one of your Mist Edges is having intermittent problems.
In this scenario, how would you use SLE to determine if a specific Mist Edge is impacting these users?
A. Review the Time To Connect SLE for the organization and view the Mist Edge information under the Distribution section.
B. Review the RADIUS server statistics under Site Insights.
C. Review the AP Health SLE for each site, looking for Ethernet errors.
D. Review the device events for each Juniper Mist Edge, specifically looking for tunnel errors.
正解：A
解説: (Topexam メンバーにのみ表示されます)

質問 4：
How does a Juniper Access Point detect rogue and honeypot APs?
A. The Juniper Access Point detects rogue and honeypot APs only by communicating with its Layer
2 switch.
B. The Juniper Access Point has a radio dedicated only for scanning and detecting rogue and honeypot APs.
C. The Juniper Access Point uses all of its radios simultaneously to detect rogue and honeypot APs.
D. The Juniper Access Point uses its radios in round-robin fashion to detect rogue and honeypot APs.
正解：B
解説: (Topexam メンバーにのみ表示されます)

質問 5：
Which Juniper AP is used to augment BLE coverage?
A. AP34
B. AP12
C. AP24
D. BT11
正解：D
解説: (Topexam メンバーにのみ表示されます)

質問 6：
The roaming service-level expectation (SLE) shows an 81% success rate, but the line graph has gaps in the data. As the wireless network administrator, you have not heard any comments about the network, good or bad. In this scenario, why are there gaps in the roaming SLE line graph?
A. The RADIUS server was not available at this time.
B. No roaming events occurred at those times.
C. Opportunistic Key Caching (OKC) roams are slow, and not meeting the SLE.
D. Roaming events are not satisfying the SLE.
正解：B
解説: (Topexam メンバーにのみ表示されます)

質問 7：
What does a 3dBi antenna do to a received signal?
A. It decreases the power by a factor 3.
B. It increases the power by a factor 2.
C. It increases the power by a factor of 10.
D. It increases the power by a factor of 3.
正解：B