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Tag Archives: Operating a Wireless Network

26 May

200-355 WIFUND Online Test-Implementing Cisco Wireless Networking Fundamentals

Currently, our 200-355 WIFUND online test only provide 10 questions. Answer one question correctly, you can get 10 points. The content of these questions are the latest exam content. Please feel free to test your skill level.

If you have some opinions or suggestions about our online test, please leave your message, we will improve it step by step.

Now, begin to test:

When calculating the link budget for a wireless point-to-point bridge, the engineer notices that one antenna has its gain marked as 2.85 dBd. With a 20-mW access point and 3-dBi loss for the cable, what is the approximate EIRP?

 
 
 
 

Due to the terrain, a deployment requires a point-to-point wireless bridge to allow for network connectivity to a remote building. What 5GHz band would permitted to use the highest power in the U.S.?

 
 
 
 

A wireless engineer is designing a network for the London branch of a company. Which 5-GHz band allows the branch to use the highest EIRP?

 
 
 
 

When using OFDM, how many subcarriers are devoted to carrying data?

 
 
 
 
 

A company has all IEEE 802.11a/802.11g devices; however, its network administrator recommends installing 802.11n access points to provide greater performance. Which feature on an 802.11n AP provides better performance to legacy devices?

 
 
 
 

When roaming between APs in an ESS, which value changes?

 
 
 
 

A customer is concerned about ease of wireless management. Which deployment model requires the highest administrative overhead to deploy and manage?

 
 
 
 

Which architecture is used to divide the roles between the access point and the WLC when deploying a centralized wireless solution?

 
 
 
 

An autonomous AP maps the SSID to what on the wired network?

 
 
 
 

A customer is expecting wireless traffic in excess of 20 Gbps to traverse a single controller. Which wireless controller model fulfills this requirement?

 
 
 
 
 
 

Question 1 of 10

 

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30 Oct

200-355 WIFUND Implementing Cisco Wireless Networking Fundamentals

200-355 WIFUND is known as Implementing Cisco Wireless Networking Fundamentals, which is a required one for CCNA Wireless certification. There are 60-70 questions in real Cisco 200-355 exam, which will take the candidates 90 minutes to complete the test. The available language is English. Candidates can register Cisco 200-355 WIFUND exam at Pearson VUE testing center.

Cisco 200-355 WIFUND exam tests a candidate’s knowledge of Radio Frequency (RF) and 802.11 technology essentials along with installing, configuring, monitoring and basic troubleshooting tasks needed to support Small Medium Business and Enterprise wireless networks. It is helpful for the candidates to know Cisco 200-355 WIFUND exam topics.

1.0 RF Fundamentals 13%

1.1 Describe the propagation of radio waves
1.1.a Frequency, amplitude, phase, wavelength (characteristics)
1.1.b Absorption, reflection, diffraction, scattering, refraction, fading, free space path loss, multipath
1.2 Interpret RF signal measurements
1.2.a Signal strength (RSSI, Transmit power, receive sensitivity)
1.2.b Differentiate interference vs. noise
1.2.c Device capabilities (smartphones, laptops, tablets)
1.2.d Define SNR
1.3 Explain the principles of RF mathematics
1.3.a Compute dBm, mW, Law of 3s and 10s,
1.4 Describe Wi-Fi antenna characteristics
1.4.a Ability to read a radiation pattern chart
1.4.b Antenna types and uses
1.4.c dBi, dBd, EIRP

2.0 802.11 Technology Fundamentals 13%

2.1 Describe basic Wi-Fi governance
2.1.a Describe regional regulatory bodies (such as, FCC / ETSI/ NTT)
2.1.b IEEE 802.11
2.1.c Wi-Fi Alliance
2.2 Describe usable channel and power combination
2.2.a Regional EIRP limitation examples
2.2.b ISM, UNII frequency bands
2.2.c Describe RRM fundamental(s)
2.3 Describe 802.11 fundamentals
2.3.a Modulation techniques
2.3.b Channel width
2.3.c MIMO / MU-MIMO
2.3.c (i) MRC
2.3.c (ii) Beam forming
2.3.c (iii) Spatial streams
2.3.d Wireless topologies
2.3.d (i) IBSS
2.3.d (ii) BSS
2.3.d (iii) ESS
2.3.e Frame types
2.3.e (i) Management
2.3.e (ii) Control
2.3.e (iii) Data

3.0 Implementing a Wireless Network 16%

3.1 Describe the various Cisco wireless architectures
3.1.a Cloud
3.1.b Autonomous
3.1.c Split MAC
3.1.c (i) FlexConnect
3.1.c (ii) Centralized
3.1.c (iii) Converged
3.2 Describe physical infrastructure connections
3.2.a Wired infrastructures (AP, WLC, access/trunk ports, LAG)
3.3 Describe AP and WLC management access connections
3.3.a Management connections (Telnet, SSH, HTTP, HTTPS, console)
3.3.b IP addressing: IPv4 / IPv6
3.3.c Management via wireless

4.0 Operating a Wireless Network 20%

4.1 Execute initial setup procedures Cisco wireless infrastructures
4.1.a Cloud
4.1.b Converged
4.1.c Centralized
4.1.d Autonomous
4.2 Describe the Cisco implementation of the CAPWAP discovery and join process
4.2.a DHCP
4.2.b DNS
4.2.c Master-controller
4.2.d Primary-secondary-tertiary
4.3 Distinguish different lightweight AP modes
4.4 Describe and configure the components of a wireless LAN access for client connectivity using GUI only
4.5 Identify wireless network and client management and configuration platform options
4.5.a Controller GUI and CLI
4.5.b Prime infrastructure
4.5.c Dashboard
4.5.d ISE
4.6 Maintain wireless network
4.6.a Perform controller configuration backups
4.6.b Perform code updates on controller, APs, and converged access switches
4.6.b (i) AireOS: boot loader (FUS), image
4.6.b (ii) IOS-XE: bundle, unbundle
4.6.b (iii) Autonomous

5.0 Configuration of Client Connectivity 16%

5.1 Identify authentication mechanisms
5.1.a LDAP, RADIUS, local authentication, WebAuth, 802.1X,PSK
5.2 Configuring WLAN authentication mechanisms on the controller
5.2.a WebAuth, 802.1X, PSK
5.2.b TKIP deprecation
5.3 Configure client connectivity in different operating systems
5.3.a Android, MacOS, iOS, Windows
5.4 Describe roaming
5.4.a Layer 2 and Layer 3
5.4.b Intracontroller and intercontroller
5.4.c Centralized mobility
5.4.d Converged mobility
5.5 Describe wireless guest networking
5.5.a Anchor controller
5.5.b Foreign controller

6.0 Performing Client Connectivity Troubleshooting 13%

6.1 Validating WLAN configuration settings at the infrastructure side
6.1.a Security settings
6.1.b SSID settings
6.2 Validating AP infrastructure settings
6.2.a Port level configuration
6.2.b Power source
6.2.c AP and antenna orientation and position
6.3 Validate client settings
6.3.a SSID
6.3.b Security
6.3.c Device driver version
6.4 Employ appropriate controller tools to assist troubleshooting
6.4.a GUI logs
6.4.b CLI show commands
6.4.c Monitor pages
6.4.c (i) CleanAir (controller GUI)
6.2 Identify appropriate third-party tools to assist troubleshooting
6.2.a OS-based Client utilities
6.2.b Wi-Fi scanners
6.2.c RF mapping tool

7.0 Site Survey Process 9%

7.1 Describe site survey methodologies and their purpose
7.1.a Offsite (predictive / plan)
7.1.b Onsite
7.1.b (i) Predeployment (AP on a stick)
7.1.b (ii) Post deployment (validation)
7.2 Describe passive and active site surveys
7.3 Identify proper application of site survey tools
7.3.a Spectrum analyzer
7.3.b Site surveying software
7.4 Describe the requirements of client real-time and non-real-time applications


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