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Exam Securing Wireless Enterprise Networks
Number 300-375
File Name Cisco.CertDumps.300-375.2017-12-01.1e.53q.vcex
Size 5.35 Mb
Posted December 01, 2017
Downloads 33


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Demo Questions

Question 1
Which two considerations must a network engineer have when planning for voice over wireless roaming? (Choose two.)

  • A: Roaming with only 802.1x authentication requires full reauthentication.
  • B: Roaming time increases when using 802.1x + Cisco Centralized Key Management.
  • C: Full reauthentication introduces gaps in a voice conversation.
  • D: Roaming occurs when the phone has reached -80 dBs or below.
  • E: Roaming occurs when the phone has seen at least four APs.
Correct Answer: AC
In the absence of CCKM, a WPA/WPA2 client must perform a full EAP authentication to a remote AAA/RADIUS server, followed by a WPA/WPA2 4-way handshake whenever it roams. This process can take more than one second. With CCKM, the roaming client and WLC can use pre-established keying material to immediately establish a PTK—normally within a few ten of milliseconds.



Question 2
Which two 802.11 methods can be configured to protect card holder data? (Choose two.)

  • A: CCMP
  • B: WEP
  • C: SSL
  • D: TKIP
  • E: VPN
Correct Answer: CE
Reference: http://www.cisco.com/c/en/us/td/docs/solutions/Enterprise/Compliance/Compliance_DIG/Compliance_DIG/PCI_AppC.html (Section: Build & Maintain a Secure Network)



Question 3
An engineer is changing the authentication method of a wireless network from EAP-FAST to EAP-TLS. Which two changes are necessary? (Choose two.)

  • A: Cisco Secure ACS is required.
  • B: A Cisco NAC server is required.
  • C: All authenticating clients require their own certificates.
  • D: The authentication server now requires a certificate.
  • E: The users require the Cisco AnyConnect client.
Correct Answer: CD
Reference: http://www.cisco.com/c/en/us/products/collateral/wireless/aironet-1300-series/prod_qas09186a00802030dc.html



Question 4
Which mobility mode must a Cisco 5508 Wireless Controller be in to use the MA functionality on a Cisco Catalyst 3850 Series Switch with a Cisco 5508 Wireless Controller as an MC?

  • A: classic mobility
  • B: new mobility
  • C: converged access mobility
  • D: auto-anchor mobility
Correct Answer: C
Reference: http://www.cisco.com/c/en/us/products/collateral/switches/catalyst-3850-series-switches/product_bulletin_c25-720777.html



Question 5
WPA2 Enterprise with 802.1x is being used for clients to authenticate to a wireless network through an ACS server. For security reasons, the network engineer wants to ensure only PEAP authentication can be used. The engineer sent instructions to clients on how to configure their supplicants, but users are still in the ACS logs authenticating using EАР-FAST. Which option describes the most efficient way the engineer can ensure these users cannot access the network unless the correct authentication mechanism is configured?

  • A: Enable AAA override on the SSID, gather the usernames of these users, and disable their RADIUS accounts until they make sure they correctly configured their devices.
  • B: Enable AAA override on the SSID and configure an access policy in ACS that denies access to the list of MACs that have used EAP-FAST.
  • C: Enable АAА override on the SSID and configure an access policy in ACS that allows access only when the EAP authentication method is PEAP.
  • D: Enable AAA override on the SSID and configure an access policy in ACS that puts clients that authenticated using EАР-FAST into a quarantine VLAN.
Correct Answer: D



Question 6
An engineer is configuring a BYOD deployment strategy and prefers a single SSID model. Which technology is required to accomplish this configuration?

  • A: mobility service engine
  • B: wireless control system
  • C: identity service engine
  • D: Prime Infrastructure
Correct Answer: C
Please refer to the section “Single SSID Wireless BYOD Self Registration” of the below mentioned link. 
Reference: http://www.cisco.com/c/dam/en/us/td/docs/security/ise/how_to/HowTo-61-BYOD-Onboarding_Registering_and_Provisioning.pdf



Question 7
When you configure BYOD access to the network, you face increased security risks and challenges. Which challenge is resolved by deploying digital client certificates?

  • A: managing the increase in connected devices
  • B: ensuring wireless LAN performance and reliability
  • C: providing device choice and support
  • D: enforcing company usage policies
Correct Answer: D
Deploying digital certificates to endpoint devices requires a network infrastructure that provides the security and flexibility to enforce different security policies, regardless of where the connection originates. This solution focuses on providing digital certificate enrollment and provisioning while enforcing different permission levels. 
Reference: http://www.cisco.com/c/en/us/td/docs/solutions/Enterprise/Borderless_Networks/Unified_Access/byoddg.html



Question 8
Scenario 
Refer to the exhibit. The East-WLC-2504A controller has been configured for WPA2 + PSK, although it isn’t working properly. Refer to the exhibit to resolve the configuration issues. 
WLAN ID: 11
Profile Name: Contractors
SSID: Contractors
VLAN: 2
Note, not all menu items, text boxes, or radio buttons are active. 
Topology 
 
  

Virtual Terminal 
 
  

 
  

 
  

 
 
  

Which configuration changes need to be made to allow WPA2 + PSK to operate properly on the East-WLC-2504A controller? (Choose four.)

  • A: Disable Dynamic AP Management.
  • B: Click on the Status Enabled radio button.
  • C: Change the Layer 3 Security to Web Policy.
  • D: Change the WPA + WPA2 Parameters to WPA2 Policy-AES.
  • E: Change the PSK Format to HEX.
  • F: Change the WLAN ID.
  • G: Change the VLAN Identifier.
  • H: Change the IP Address of the Virtual interface.
  • I: Change the IP Address of the Virtual interface.
  • J: Change the SSID name of the WLAN.
  • K: Click on the PSK radio button and add the password in the text box.
Correct Answer: BFJK



Question 9
Refer to the exhibit. 
 
  

What is the 1.1.1.1 IP address?

  • A: the wireless client IP address
  • B: the RADIUS server IP address
  • C: the controller management IP address
  • D: the lightweight AP IP address
  • E: the controller AР-manager IP address
  • F: the controller virtual interface IP address
Correct Answer: F
Web Authentication Process 
This is what occurs when a user connects to a WLAN configured for web authentication:
The user opens a web browser and enters a URL, for example, http://www.cisco.com. The client sends out a DNS request for this URL to get the IP for the destination. The WLC bypasses the DNS request to the DNS server and the DNS server responds back with a DNS reply, which contains the IP address of the destination www.cisco.com. This, in turn, is forwarded to the wireless clients.
The client then tries to open a TCP connection with the destination IP address. It sends out a TCP SYN packet destined to the IP address of www.cisco.com. 
The WLC has rules configured for the client and hence can act as a proxy for www.cisco.com. It sends back a TCP SYN-ACK packet to the client with source as the IP address of www.cisco.com. The client sends back a TCP ACK packet in order to complete the three way TCP handshake and the TCP connection is fully established. 
The client sends an HTTP GET packet destined to www.cisco.com. The WLC intercepts this packet and sends it for redirection handling. The HTTP application gateway prepares a HTML body and sends it back as the reply to the HTTP GET requested by the client. This HTML makes the client go to the default webpage URL of the WLC, for example, http://<Virtual-Server-IP>/login.html.
The client closes the TCP connection with the IP address, for example, www.cisco.com. 
Now the client wants to go to http://1.1.1.1/login.html. Therefore, the client tries to open a TCP connection with the virtual IP address of the WLC. It sends a TCP SYN packet for 1.1.1.1 to the WLC.
The WLC responds back with a TCP SYN-ACK and the client sends back a TCP ACK to the WLC in order to complete the handshake. 
The client sends a HTTP GET for /login.html destined to 1.1.1.1 in order to request for the login page. 
This request is allowed up to the Web Server of the WLC, and the server responds back with the default login page. The client receives the login page on the browser window where the user can go ahead and log in. 
Reference: http://www.cisco.com/c/en/us/support/docs/wireless-mobility/wlan-security/69340-web-auth-config.html#backinfo



Question 10
A customer is concerned about denial of service attacks that impair the stable operation of the corporate wireless network. The customer wants to purchase mobile devices that will operate on the corporate wireless network. Which IEEE standard should the mobile devices support to address the customer concerns?

  • A: 802.11w
  • B: 802.11k
  • C: 802.11r
  • D: 802.11h
Correct Answer: A
The IEEE goal with 802.11w is to protect management frames in 802.11 networks. This therefore provides wireless networks within organisations the protection against numerous DoS attacks targeted at the Media Access Control (MAC) layer 2. The 802.11w standard will look to provide protection in the following ways: 
Protecting unicast management frames from forgery and disclosure attacks by encrypting the unicast management frames between an access point and the client. • Protecting broadcast management frames from forgery attacks.  
Protecting broadcast deauthentication and disassociation frames from forgery attacks. 
Reference: https://www.sans.org/reading-room/whitepapers/wireless/80211-denial-service-attacks-mitigation-2108 (Please refer to section “802.11w to the rescue”)









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