CWNP Certified Wireless Network Administrator Set 2

Question - 15 Maximum mark : - 28

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CWNP Certified Wireless Network Administrator Set 2

Which configuration command disables the secondary dial tone on the branch office ISR for users calling from the PSTN into the branch office during a WAN failure?

Up to 30 watts of power may be provided through an Ethernet cable. ✘ By using CAT3 cabling, you can increase the maximum draw available to the PD. ✘ When using CAT5 cabling, you decrease the maximum draw available to the PD. ✘ Only endpoint PSEs are supported. ✔ Only midspan PSEs are supported. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

A Cisco Unified Communications Manager cluster is installed in headquarters only. How can international calls be blocked while national calls are allowed for branch office Cisco IP Phones during a WAN failure?

All ports on the Ethernet switch will be supporting Class 3 PoE powered devices. ✘ Some APs are connected to a PoE switch and are also receiving power from an AC outlet. ✘ The Ethernet switch uplink ports are not connected to an 802.3-2012, Clause 33-compliant core or distribution Ethernet switch. ✘ A gigabit Ethernet switch port supporting an 802.11a/g AP auto negotiates to 100 Mbps. ✔ The installation team is not informed that PoE support will reduce the recommended maximum UTP cabling length from 100m to 50m. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

Which command can be used to manually send the MGCP gateway to register with the secondary Cisco Unified Communications Manager server?

All vendors use the same protocol so that APs will interoperate with WLAN controllers from other vendors. Some vendors use proprietary protocols, and some vendors use protocols based on public standards like RFCs. For most vendors, the controller-based APs maintain data and control tunnels with at least two controllers for immediate failover and redundancy. All vendors support at least one L2 or L3 broadcast protocol for controller discovery by controller-based APs. All vendors recommend using L2 (instead of L3) controller discovery and tunneling protocols in large enterprises.

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

Which command is needed to utilize local dial peers on an MGCP-controlled ISR during an SRST failover?

Multiple WLAN Profiles Call Admission Control Virtual Cell with SCA Access Categories User-based authentication

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

Which option is a benefit of implementing CFUR?

Wi-Fi enabled voice handsets with low transmit power can experience asynchronous downlink and uplink performance. WLAN client stations can experience the hidden node problem when located near each other within the same cell. The mismatched power between WLAN client stations and APs violates regulatory and IEEE signal quality requirements. Cell size may be too large, causing co-channel interference to adjacent cells and reducing system capacity. APs operating in the 2.4 GHz band would prevent microwave ovens and analog video cameras from functioning.

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

This is the configuration on the voice gateway:
telephony-service
max-ephones 30
max-dn 60 preference 0
srst mode auto-provision all

srst dn line-mode dual
srst dn template 3
srst ephone description srst fallback auto-provision phone
srst ephone template 5

Which ephone-dn would be expected upon activation of SRST?

Client stations would see two different sets of AP capabilities as they roam between APs with the same BSSID. ✘ The added range of 802.11n APs would cause additional co-channel interference. ✘ The additional beacon material in 802.11n beacons would confuse 802.11b/g client stations. ✘ Beacons from 802.11n APs use 40 MHz channels, while beacons from 802.11g APs use 20 MHz channels. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

Which ability does the Survivable Remote Site Telephony feature provide?

By increasing transmit power and placing APs that are on a single channel farther from one another. ✘ By adding more SSIDs to existing APs to spread users across different contention domains. ✘ By adding non-overlapping channel layers through the addition of more APs. ✘ By using downlink data compression and uplink flow control at the AP. ✔ By using a single 802.11n radio to transmit simultaneous downlink data streams to different users. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

When implementing a dial plan for multisite deployments, what must be present for SRST to work successfully?

Implement a band steering feature for dual-band clients Use directional antennas to isolate the RF propagation Configure APs to transmit at or near their maximum power setting Use WPA2-Personal security for ease of deployment Disable 802.11ac MCS rates to prevent high overhead protection mechanisms

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

What component acts as a user agent for both ends of a SIP call while Cisco Unified SIP SRST is providing failover during a WAN outage?

802.11j 802.11p 802.11r 802.11u 802.11w

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

10.

Which method can be used to address variable-length dial plans?

Any 802.11 protocol analyzer can see the SSID in clear text in frames other than Beacons and Probe Response frames. This negates any security benefit of

trying to hide the SSID in Beacons and Probe Response frames. This security practice prevents manufacturers' client utilities from detecting the SSID. As a result, the SSID cannot be obtained by attackers, except throughsocial engineering, guessing, or use of a WIPS. Although it does not benefit the security posture, hiding the SSID in Beacons and Probe Response frames can be helpful for preventing some users (such asguests) from attempting to connect to the corporate network. Any tenants in the same building using advanced penetration testing tools will be able to obtain the SSID by exploiting WPA EAPOL-Key exchanges. This posesan additional risk of exposing the WPA key. To improve security by hiding the SSID, the AP and client stations must both be configured to remove the SSID from association request and response frames.Most WLAN products support this.

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

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CWNP Certified Wireless Network Administrator Set 2

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