Download CCNA Wireless Implementing Cisco Wireless Network Fundamentals.200-355.ExamTopics.2026-03-26.154q.tqb

Vendor: Cisco
Exam Code: 200-355
Exam Name: CCNA Wireless Implementing Cisco Wireless Network Fundamentals
Date: Mar 26, 2026
File Size: 11 MB
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Demo Questions

Question 1
A controller is connected to a Cisco Catalyst switch. The switch port configuration looks like this: interface GigabitEthernet 1/0/10 switchport switchport trunk encapsulation dot1q switchport trunk allowed vlan 1,20,30,50 switchport trunk native vlan 20 switchport mode trunk
Which controller CLI command assigns its management interface to the native VLAN interface of the Cisco Catalyst switch?
  1. config interface vlan management 20
  2. config interface vlan management 0
  3. config interface vlan management 1
  4. config interface vlan management 30
Correct answer: B
Question 2
What three components are required to configure Mobility Group Members between Wireless LAN Controllers? (Choose three.)
  1. Controller Management IP Address
  2. Controller Virtual IP Address
  3. Controller Multicast IP Address
  4. Controller MAC Address
  5. Controller Mobility Group Name
  6. Controller AP Management IP Address
  7. Controller RF Group Name
Correct answer: A, D, E
Question 3
Drag the authentication types from the left and drop them on the correct descriptions on the right.
Correct answer: To work with this question, an Exam Simulator is required.
Question 4
In general, what is the difference in transmit power between an AP operating at Tx Power Level 1 and the same AP operating at Tx Power Level 3?
  1. 2 dB
  2. 3 dB
  3. 6 dB
  4. 11 dB
  5. 17 dB
Correct answer: C
Question 5
An access point is currently transmitting at 4 mW. The customer needs to increase its signal strength by 6 dB to create a larger wireless cell. What should the new transmit power be?
  1. 8 mW
  2. 10 mW
  3. 12 mW
  4. 16 mW
  5. 24 mW
Correct answer: D
Question 6
In the current RF environment, the noise floor is -95 dBm. A tablet needs an SNR of 25 dB to transmit at the required speed. What must the RSSI cell edge be to meet the required SNR?
  1. -120 dBm
  2. -90 dBm
  3. -70 dBm
  4. -60 dBm
  5. -50 dBm
Correct answer: C
Question 7
A wireless network administartor wants an employee to be able to create guest user accounts on the WLC, without having access to other features. Which type of account must be created?
  1. Lobby Supervisor
  2. Lobby Ambassador
  3. Lobby Administrator
  4. Lobby Assistant
Correct answer: B
Explanation:
Reference:https://www.cisco.com/c/en/us/td/docs/wireless/controller/7-0MR1/configuration/guide/wlc_cg70MR1/cg_user_accts.pdf
Reference:
https://www.cisco.com/c/en/us/td/docs/wireless/controller/7-0MR1/configuration/guide/wlc_cg70MR1/cg_user_accts.pdf
Question 8
What is the impact of configuring a single SSID to support TKIP and AES encryption simultaneously?
  1. The overhead associated with supporting both encryption methods degrades client throughput significantly.
  2. Some wireless client drivers might not handle complex SSID settings and may be unable to associate to the WLAN.
  3. This configuration is unsupported and the Cisco Wireless Control System generates alarms continuously until the configuration is corrected.
  4. This configuration is common for migrating from WPA to WPA2. No problem is associated with using this configuration.
Correct answer: B
Explanation:
AES encryption uses hardware so there is almost no overhead when using it. TKIP is based on software. So when we support both TKIP and AES the client throughput will not significantly degrade -> A is not correct.When choosing both AES and TKIP, the router will support both encryption algorithms. Because not all wireless NICs support AES, some only support TKIP, so this option is probably the best choice -> B is not correct.As the picture below, Cisco Wireless Control System does support both simultaneously -> C is not correct.
AES encryption uses hardware so there is almost no overhead when using it. TKIP is based on software. So when we support both TKIP and AES the client throughput will not significantly degrade -> A is not correct.
When choosing both AES and TKIP, the router will support both encryption algorithms. Because not all wireless NICs support AES, some only support TKIP, so this option is probably the best choice -> B is not correct.
As the picture below, Cisco Wireless Control System does support both simultaneously -> C is not correct.
Question 9
Which signal does Cisco recommend using at the cell edge when performing a site survey for VoWLAN applications?
  1. -56 dBm
  2. -67 dBm
  3. -78 dBm
  4. -85 dBm
Correct answer: B
Question 10
If an antenna has a dBd of 8.6, what is the dBi value?
  1. 8.6
  2. 6.46
  3. 10.74
  4. 6.2
Correct answer: C
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