300-360 WIDESIGN Designing Cisco Wireless Enterprise Networks

Exam Number 300-360
Associated Certifications CCNP Wireless
Duration 90 Minutes (60 – 70 questions)
Available Languages English

This exam tests a candidate’s knowledge of identifying customer and application requirements, applying predictive wireless design principles and conducting site surveys needed to design and optimize Enterprise wireless networks

The Designing Cisco Wireless Enterprise Networks (WIDESIGN) exam (300-360) is a 90-minute, 60-70 question assessment that is associated with the CCNP Wireless certification. This exam tests a candidate’s knowledge of identifying customer and application requirements, applying predictive wireless design principles and conducting site surveys needed to design and optimize Enterprise wireless networks.

The following topics are general guidelines for the content that is likely to be included on the exam. However, other related topics may also appear on any specific instance of the exam. To better reflect the contents of the exam and for clarity purposes, these guidelines may change at any time without notice. Candidates can prepare for this exam by taking the Designing Cisco Wireless Enterprise Networks (WIDESIGN) course.

1.0 Obtaining Customer Requirements as Related to the WLAN Installation 12%

1.1 Identify business and RF application needs

1.2 Identify client density, capabilities and their impact on the wireless network

1.2.a Client quantity, radio type, spatial streams

1.3 Identify the challenges of setting up a wireless network by various vertical markets

1.4 Describe required site survey documentation

1.4.a Customer questionnaire
1.4.b Floor plans & their quality
1.4.c Describe the deliverables of the site survey

1.5 Identify coverage area requirements

1.5.a Mesh
1.5.b High density
1.5.c Security sensitive
1.5.d Real time applications

2.0 Determine Facility Type and Constraints Related to WLAN Deployments 12%

2.1 Describe impact of regulatory domains

2.1.a Mesh
2.1.b Channel and power
2.1.c Multi-national deployments

2.2 Identify deployment location safety considerations

2.3 Identify the impact of customer aesthetic limitations on the installation

2.4 Assess the existing wired and wireless infrastructure

2.4.a Determine high-throughput and very high throughput (VHT) protocol (n/ac) impact
2.4.b Determine existing wireless infrastructure if required

2.5 Identify impact of material attenuation

2.5.a Walls, cubicles, and the likes
2.5.b Single/multi-floor
2.5.c Campus
2.5.d Warehouse/retail
2.5.e Subtitle number 2.2

3.0 WLAN Predictive Design 14%

3.1 Select the criteria used for coverage design

3.1.a Data vs voice vs video vs location

3.2 Demonstrate the impact of frequency planning in a high density environment

3.2.a Band select for high density
3.2.b Optimize 2.4 GHz radio utilization
3.2.c Legacy devices
3.2.d Channel width

3.3 Use PI and Ekahau planning tools to make network plan

3.3.a Enter network requirements in the tool
3.3.a.[i] Capacity requirements
3.3.a.[ii] Coverage requirements
3.3.b Define the environment
3.3.b.[i] Maps and scale
3.3.b.[ii] Types of RF obstacles
3.3.c Place and configure simulated APs and antennas
3.3.c.[i] Place simulated APs (manual, automatics)
3.3.c.[ii] Adjust APs and Antennas / AP TX power height and down tilt
3.3.d Analyze key network metrics using heat maps for 2.4 and 5GHz
3.3.d.[i] Analyze coverage, SNR, and channel overlap
3.3.d.[ii] Analyze AP placements in regards to real time handoffs around corner

4.0 Pre-Deployment Site Survey 14%

4.1 Identify the appropriate site survey equipment and access requirements based on environmental needs

4.2 Complete the Layer 2 site survey for indoor, and outdoor MESH environments

4.2.a Select proper AP and antenna for conducting site survey
4.2.b Configure AP
4.2.c Survey for worst case client

4.3 Complete Layer 1 survey (Cisco CleanAir, Metageek Chanalyzer)

5.0 Post-Deployment Site Survey 15%

5.1 Verify RF coverage

5.1.a Utilize tools (Ekahau) for audit
5.1.b RRM, controller
5.1.c Analyze SNR, channel overlap, and packet loss

5.2 Verify network applications and performance

5.2.a Apply PI tools (voice readiness, location readiness, site calibration)

5.3 Reconcile any deployment issues

5.4 Assemble and deliver installation report to customer

5.4.a Indoor
5.4.b Outdoor MESH

6.0 Design the Infrastructure of the Wireless Network 15%

6.1 Determine physical infrastructure requirements

6.1.a AC Power and POE
6.1.b Understand cable plant considerations
6.1.c Mounting considerations: NEMA
6.1.d Outdoor grounding and lighting protection
6.1.e Rack capacity
6.1.f Switch port capacity

6.2 Determine logical infrastructure requirements

6.2.a Determine AP count, controller count, and license requirements
6.2.b Decide the type of architecture for the deployment

6.3 Describe IPv6 optimization on the WLC

6.3.a RA filter
6.3.b DHCP Server guard
6.3.c DHCPv6 Source guard

7.0 Describe and Design Wireless Architecture for Real time Applications 18%

7.1 Describe the relationship between real time applications & the wireless networks

7.1.a Packet Error Rate (PER)
7.1.b RF Coverage
7.1.c Bit Error Rate (BER)
7.1.d QoS
7.1.e Call Admission Control (CAC)
7.1.f Client roaming decision algorithm

7.2 Describe voice and video as they apply to the wireless network

7.2.a Device capabilities (hardware and software)
7.2.b Call setup/data flow overview
7.2.c Other wireless voice and video services (i.e. Jabber, Lync, Skype, Viber, Facetime)
7.2.d Standards and WIFI Alliance (WFA) certifications (.11r, .11e, .11n/ac, .11k, CCKM, voice enterprise, voice personal, WMM, UAPSD)
7.2.e Cisco Compatible Extensions (voice features)
7.2.f Voice and video codecs
7.2.g Skinny Client Control Protocol (SCCP)
7.2.h Session Initiation Protocol (SIP)

7.3 Describe real time applications (other than voice and video) as they apply to the wireless network

7.3.a Session based and non-session based
7.3.b Roaming sensitivity
7.3.c Disconnection issue

7.4 Design wireless roaming parameters for supporting real time applications

7.4.a 802.11 r/k, CCKM, OKC, mobility groups, interface groups,
7.4.b Tuning RF parameters
7.4.c AP placement considerations

7.5 Design wireless parameters for supporting real time applications

7.5.a Minimum speed requirements-RSSI and SNR
7.5.b Client transmit and receive sensitivity / mismatch with AP
7.5.c Cell overlap requirements
7.5.d Cell separations
7.5.e Traffic control and management, QoS, VLAN, WMM, AVC
7.5.f Delay and jitter requirements
7.5.g CAC and TSPEC
7.5.h Spectrum
7.5.i 802.11n/ac enhancements
7.5.j Concurrent client connections
7.5.k Band select

QUESTION 1
An engineer is conducting a location readiness test and wants a selected point to be considered location-ready. Which three possible configurations reflect the minimum number of APs needed? (Choose three.)

A. One AP is resident in each quadrant surrounding the point-in-question.
B. One AP per 1400 sq. ft. on the map.
C. Two APs are resident in each quadrant surrounding the point-in- question.
D. Four APs are deployed on the floor.
E. Three APs are within 70 feet (21 meters) of the point-in- question
F. Three APs are deployed on the floor.

Answer: A,D,E

Explanation:
A point in a WLAN deployment is location ready if the following are all determined to be true:
At least four access points are deployed on the floor.
At least one access point is found to be resident in each quadrant surrounding the point-in-QUESTION NO:. At least one access point residing in each of at least three of the surrounding quadrants is located within 70 feet of the point-in-QUESTION NO:. Reference:
http://www.cisco.com/c/en/us/td/docs/solutions/Enterprise/Borderless_Networks/Unified_Ac cess/ CMX/CMX_LocFund.pdf


QUESTION 2
A customer has a business-critical voice network and wants to be alerted whenever voice clients move out of a coverage area and experience RSSI below -67 dBm on the 5 GHz band. Which option can be configured on the wireless controller to alert network administrators when this limit is surpassed?

A. EDCA; voice optimized
B. SIP voice sample interval
C. 802.11a voice RSSI coverage threshold
D. traffic stream metrics

Answer: C


QUESTION 3
Which two factors influence the density of APs in a data-only WLAN environment? (Choose two.)

A. the number of clients that will roam through the facility
B. the type of controller chosen
C. the defined coverage area and customer needs
D. the number of APs dedicated to voice services
E. channel reuse and WLAN bandwidth

Answer: C,E

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