400-351 CCIE Wireless 试题 Update (30/5/2016)

ccie.chan

In this and my subsequent posts, will share some new questions seen, as well as providing more complete/accurate details on some already-published recent questions. May not remember how is the exact question looks like, but will share which topic/area the question is related to. Stay tune !
$ M: m4 @! `. zBelow is a NEW question.

[NEW] Question 1 : [WiFi Mandatory Rates]

Regarding how to manage mandatory data rates in WiFi network design. Choose the right (or wrong) practices. Some similar statements as below :

* O4 d& u2 q) J5 ra)    Management frames like ACK or beacons will be sent at the lowest mandatory rate
b)    Beacons are sent at the lowest mandatory rate
. _4 O8 b$ g" }" b1 t; I6 }; x0 rc)    Multicast is sent on the range between lowest and highest priority, depending on associated clients.
  F0 h! H& |: Q4 ]4 e3 O2 f( R8 [d)    If your design does not require low data rates, consider disabling the 802.11b data rates (1, 2,5.5 and 11) and leave the rest enabled.
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Reference : [url=http://www.cisco.com/c/en/us/td/ ... e.html#pgfId-380239]Disable Low Data Rates[/url]

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shyshysh448

Sabrina815707

Rockyw

感谢楼主分享！

ccie.chan

[NEW] Question 2 : [Editting RF Profile]
How to edit RF Profile ?
A) To remove from AP Group first before can edit
B) RF profile cannot be edited, must delete and create new
C) etc.
% A; ]4 s4 R0 O# P' j1 i7 D4 m( qD) etc.

Probable Answer : A
Reference : Configuring RF Profile
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[NEW] Question 3 : [Converged Access Switch port configuration]
For Converged Access deployment, what shall be configured on a Catalyst 3850 switched port for connecting to an access point ?
, \; y. m- Q4 R: |! wA) Access mode, wireless management VLAN
B) Access mode, service VLAN
2 r: P4 ?7 `% e5 U% mC) Access mode, switch management VLAN ????
# G& o  W6 @" o* ND) Access mode, ????
/ B+ f$ q# v# O9 m) YE) Trunk mode, ????

Probable Answer : A (Please study how to configure the switch port for AP connection when Catalyst acts as Mobility Agent (MA))
Reference : Configuring Physical Port

祝顺利

ccie.chan

[UPDATE] Question 1 : [One-way Voice]
When deploying IP Phone 7925G configured with 40mW transmit power. What shall you configure on the wireless AP to avoid having "one-way-voice" problem ?
A) 16 dBm
B) UNII-1
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5 R" _9 v7 f- a% ^$ [0 AD) 23 dBm

4 v1 x7 {( F8 ?9 {Probable Answer : A
7 f) R# c8 f% eExplanation : configure AP TX power small as 16 dBM (40mW) only so that both IP Phone and AP can reach each other, avoid one-way-voice. If configure AP with 23 dBm (200mW), return data from IP Phone cannot reach AP cause one-way-voice.
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running-man

顶，近期有人考吗

drbo

多谢分享，要考试了，题库还没出来啊