Cisco 400-351 Online Practice Questions and Exam Preparation

Cisco 400-351 Online Questions & Answers

• Question 431:

  What are two features that help to mitigate man-in-the-middle attacks? (Choose two.)

  A. DHCP snooping
  B. ARP sniffing on specific ports
  C. ARP spoofing
  D. dynamic ARP inspection
  E. destination MAC ACLs
  A. DHCP snooping
  D. dynamic ARP inspection

• Question 432:

  Which three statements about 802.11ac are true? (Choose three.)

  A. When using MU-MIMO, up to 8 devices can transmit data at the same time.
  B. MU-MIMO allows one AP to transmit unique data to multiple stations simultaneously.
  C. MU-MIMO is supported in Wave1.
  D. 802.11 a/b/g/n devices are able to connect to 802.11 ac radios.
  E. 802.11ac is supported in the 2.4- and 5-GHz radio band.
  F. It is possible to reach 160 MHz by combining two discontiguous 80MHz channel blocks.
  B. MU-MIMO allows one AP to transmit unique data to multiple stations simultaneously.
  D. 802.11 a/b/g/n devices are able to connect to 802.11 ac radios.
  F. It is possible to reach 160 MHz by combining two discontiguous 80MHz channel blocks.

• Question 433:

  

  Refer to the exhibit. You cannot establish IP communication over interface GigabitEthernet 0/4 with an access point connected to it. Which reason is the cause of the issue?

  A. Interface GigabitEthernet 0/4 is mirroring traffic and cannot be used at this time.
  B. Line protocol is down on the interface because "output flow-control is unsupported".
  C. The problem is due to physical connectivity. The Ethernet cable must be revised.
  D. A SPAN session is configured on the Switch destination interface GigabitEthernet 0/4.
  D. A SPAN session is configured on the Switch destination interface GigabitEthernet 0/4.

• Question 434:

  In a common loT infrastructure architecture, which technologies apply to the category of a field area network?

  A. IP/MPLS
  B. Multicast
  C. 3G/4G/LTE/Wi-Fi/Ethernet/PLC
  D. Embedded systems and sensors
  C. 3G/4G/LTE/Wi-Fi/Ethernet/PLC

• Question 435:

  Which enhancement was introduced in 802.11ac Wave 2 and was not present in 802.lln?

  A. 64 QAM
  B. 128 QAM
  C. MU-MIMO
  D. 40MHz channel width
  E. four spatial streams
  F. SU-MIMO
  C. MU-MIMO

• Question 436:

  RX-SOP is configured for the 2.4GHz and 5 GHz radios with the value set as Low Threshold. Which two values represent the threshold values for each band? (Choose two.)

  A. -80 dBm for 2.4 GHz
  B. -82 dBm for 2.4 GHz
  C. -85 dBm for 2.4 GHz
  D. -80 dBm for 5 GHz
  E. -82 dBm for 5 GHz
  F. -85 dBm for 5 GHz
  C. -85 dBm for 2.4 GHz
  D. -80 dBm for 5 GHz

• Question 437:

  which two statements about accessing the GUI and CLI of Cisco WLC are true?

  A. Use the config domain add -N command on the Cisco WLC.
  B. The wireless client can access the Cisco WLC only when the option "Enable controller wireless Management to be accessible from wireless client is checked"
  C. The feature management using dynamic interface can be applied to one of the dynamic interfaces only.
  D. Add the country code for Panama (PA) through the Cisco WLC web GUI.
  B. The wireless client can access the Cisco WLC only when the option "Enable controller wireless Management to be accessible from wireless client is checked"
  C. The feature management using dynamic interface can be applied to one of the dynamic interfaces only.

• Question 438:

  Your customer plans to deploy a location-aware WLAN in a campus.

  Which two statements about the planning consideration for a location-aware WLAN is true? (Choose two.)

  A. At least one AP that resides in each of at least three of the surrounding quadrants is located within 70 feet (-21.3meters) of the point-in-question.
  B. At least two APs are resident in each quadrant that surrounds the pint-in-question.
  C. Cisco PI allows APs that are defined as being equipped with third-party antennas participate in client, tag, or rogue on-demand location tracking.
  D. Active RFID tags transmit directly to the APs and require 802.11 authentication and association to pass data traffic to the real-time location system engine.
  E. Perimeter APs should complement APs located within floor interior areas. In addition, APs should be places in each of the four corners of the floor, and at any other corners that are encountered along the floor perimeter.
  F. Onsite calibration is required otherwise location tracking for clients cannot be enabled.
  D. Active RFID tags transmit directly to the APs and require 802.11 authentication and association to pass data traffic to the real-time location system engine.
  E. Perimeter APs should complement APs located within floor interior areas. In addition, APs should be places in each of the four corners of the floor, and at any other corners that are encountered along the floor perimeter.

• Question 439:

  Which three type of ACLs are supported by the Cisco 5760 WLC?

  A. VLAN ACLS (VLAN MAPS)
  B. Switch Port ACls
  C. Router ACLs
  D. QoS ACLs
  E. Router Port ACLs
  F. Port ACLs
  A. VLAN ACLS (VLAN MAPS)
  C. Router ACLs
  F. Port ACLs

• Question 440:

  DRAG DROP Drag and drop the RRM function on the left to the entity that performs the function on the right

  Select and Place: