350-050 Exam

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Exam : Cisco 350-050
Title : CCIE Wireless Beta Written Exam


1. Lightweight Access Point Protocol or LWAPP is the name of a protocol that can control multiple Wi-Fi wireless access points at once. How does the Cisco WCS know what has happened in an LWAPP system when an AP's interface goes down and then comes up again?
A. The Cisco WCS polls the APs and when the AP is unreachable, reports "Max retransmissions reached on AP <name>".
B. The AP sends a linkDown then linkUp trap to the Cisco WCS; these are two of the six traps defined in RFC 1215, A Convention for Defining Traps for use with the SNMP.
C. The AP cannot send a linkDown trap, as per RFC 1215, because the link is down; when the link comes back up, the AP sends a linkup trap to the Cisco WLC, which then forwards the trap to the Cisco WCS.
D. The Cisco WLC sends a trap to the Cisco WCS when it detects that an AP is down.
Answer: D

2. Which two options are correct according to debug output presented in the following exhibit ? (Choose two.)
A. The wireless client uses a static IP address, so "0.0.0.0 START (0)" can be found in the logs.
B. The wireless client has been successfully authenticated. Reauthentication is set to occur on an extremely aggressive schedule (every five seconds).
C. The wireless client "hangs" in probes (does not proceed with 802.11 authentication and association). It is likely that the "encryption" or "key-management" advertised in the probe response does not match.
D. Since the AP receives a probe request from the wireless client, the Access Point Functions state for the machine changes from "Idle" to "Probe."
Answer: CD

3. You can click on the buttons at the bottom of the screen to access resources associated with this item.
The following resources are available to you :
show run - show run on AP-1
debug logs - Logs/debugs on AP-1
Radius sniffer trace taken betwen AP-1 and AAA-Server.
packet-overview
frame-1
frame-2
frame-3
frame-4
Given:
Wireless-Client (CB21) configured for SSID "CCIE-2"
Standalone AP (autonomous), configured with 3 SSID's and 3 Data-Vlan plus the native VLAN.
AAA server configured for LEAP and EAP-FAST authentication and dynamic VLAN assignment.
Question:
Why is this wireless client not able to associate to the network?
A. VLAN assignment is only supported on the Wireless LAN Controller solution.
B. Attributes in use are not correct for VLAN assignment.
C. The DHCP server is down.
D. The encryption/key-management from the SSID/VLAN the client uses to associate must match with the SSID/VLAN the AAA server assigns during the authentication/authorization process.
Answer: D

4. According to the troubleshooting actions, choose proper troubleshooting process order.
1. Create a testing action plan based on the information gathered.
2. Clearly define the trouble reported.
3. If the problem has not been solved, change vanables and repeat process.
4. Collect data to isolate possible causes.
5. Analyze the results.
6. Execute tests to identify the actual source of the problem.
I.Step1
II.Step2
III.Step3
IV.Step4
V.Step5
VI.Step6
A. I-2,II-4,III-1,IV-5,V-6,VI-3
B. I-2,II-4,III-1,IV-5,V-3,VI-6
C. I-2,II-4,III-1,IV-3,V-6,VI-5
D. I-2,II-4,III-1,IV-3,V-5,VI-6
Answer: A

5. When using the enterprise-based authentication method for WPA2, a bidirectional handshake exchange occurs between the client and the authenticator. Which five options will be the results of that exchange by use of controller based network? (Choose five.)
A. proof that each side is alive
B. creation of the Pairwise Transient Key
C. distribution of the Group Transient Key
D. binding of a Pairwise Master Key at the client and the controller
E. distribution of the Pairwise Master key for caching at the access point
F. a bidirectional exchange of a nonce used for key generation
Answer: ABCDF

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