CWNP-Certified Wireless Network Administrator (CWNA) Set 1

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CWNP-Certified Wireless Network Administrator (CWNA) Set 1

Which statement is true about OSPF Network LSAs? Select the best response.

Diffraction ✘ Reflection ✘ Refraction ✘ Diffusion ✔ Scattering ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

You have just completed an OSPF implementation. While executing your verification plan, you determine that R1 is not able to establish full OSPF adjacency with R2. The show ip ospf neighbor command output on R1 shows that R2 is stuck in the INIT state. What could be the cause of this problem? Select the best response.

Deauthentication ✘ MAC Spoofing ✘ Protocol Jamming ✘ Eavesdropping ✔ RF Jamming ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

You have completed an OSPF implementation, and you are verifying OSPF operation. During this verification, you notice that the OSPF route of 172.16.10.0 is repeatedly appearing and disappearing from the routing table. Further investigation finds that the OSPF CPU utilization is very high and the routers are constantly performing SPF calculations. You determine that 172.16.20.2 is the source of the 172.16.10.0 route. Using the show ip ospf database router 172.16.20.1 command, you notice that when this show command is performed repeatedly, the contents of the LSA change every few seconds. What could be the cause of this problem? Select the best response.

Passive Pseudo-random Virtual Active Physical

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

When verifying OSPF virtual link problems, which is an important item to check on the two transit OSPF routers? Select the best response.

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.

You are developing a verification plan for an upcoming OSPF implementation. Part of this plan is to verify the status of type 3 LSAs within the network. Which routers should you verify first to ensure that the configurations are correct for generating type 3 LSAs? Select the best response.

During the association, the client and AP agree to use the same transmit rate, but either station can
request a change at any time after the association. ✘ The client and AP each choose the optimal data rate to use independently of one another, based ontheir own experience of the RF link. ✘ The client and AP may use different transmit rates, but the AP determines the data rate that will be usedby each client station in the BSS. ✘ The client and AP may use different transmit rates, but the client determines the data rate that it will useand the data rate that the AP will use when communicating to the client. ✔ The client and AP may use a different transmit rates, but the transmit rate is determined by the peerstation, based on the peer's experience of the RF link. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

Based on the need to limit processing and bandwidth utilization due to dynamic routing protocol operation, the following routing requirements have been specified for your network. - partial and incremental routing updates - only the devices affected by a topology change perform route recomputation - route recomputation only occurs for routes that were affected Which dynamic routing protocol should be deployed in your network to best meet these requirements? Select the best response.

Interference from 5 GHz radar sources has increased frame corruption and retries on channels 36-48 in
UNII 1. ✘ 5 GHz frequencies offer better RF penetration than 2.4 GHz, but 2.4 GHz offers more voice call capacityand lower latency than 5 GHz. ✘ The voice client does not support DFS, and therefore experiences some 5 GHz coverage holes as itmoves through the network. ✘ The client's band selection algorithm prefers 5 GHz, but band steering behavior usually steers 75-85%of client devices to 2.4 GHz. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

Which statement about a non-zero value for the load metric (k2) for EIGRP is true? Select the best response.

SNMP ✘ VRRP ✘ RBAC ✘ IPSec ✔ WIPS ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

When an EIGRP topology change is detected, what is the correct order of events when there is a FS? Select the best response.

802.11n OFDM is more susceptible to high-power, narrowband interference than 802.11a OFDM. ✘ In order to earn Wi-Fi Alliance certification, 802.11n clients stations are required to support both 2.4 and5 GHz frequencies ✘ 802.11a/g devices may support WMM, but all 802.11n devices are required to support WMM. ✘ An 802.11g/n AP that is configured to support only OFDM data rates will allow HR/DSSS devices toassociate. ✔ When HR/DSSS devices are present, HT MCS rates are disabled for the entire BSS. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

Which BGP option is required when load sharing over multiple equal-bandwidth parallel links from a single CE router to a single ISP router over eBGP? Select the best response.

Multipath will increase, causing excessive layer-2 retransmissions. The retransmissions will cause
latency for VoWiFi handsets. ✘ Increased receiver sensitivity on the HT APs will cause them to continually change channels to avoid co-channel interference. ✘ If the existing UTP cabling is not Category 6 or better, the total Ethernet backhaul for each AP will belimited to 100 Mbps. ✘ In locations with line-of-sight to client devices and little multipath, the benefits of MIMO may be lesssignificant than in other areas. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

10.

Which functionality is required within an IP router that is situated at the boundary of an IPv4 network and an IPv6 network to allow communication between IPv6- only and IPv4-only nodes? Select the best response.

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 MHzchannels. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

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CWNP-Certified Wireless Network Administrator (CWNA) Set 1

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