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CCNA Wireless 640-772 Test Q
General questions missed on the pre-tests
54
Computer Networking
Professional
06/02/2015

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Cards

Term
Question
Definition
Answer
Term
How long are client sessions with the WLAN limited to (by default)
Definition
1800 seconds
Term
What does the TPC and DCA algorithms run by default
Definition
600 secons
Term
NCS - Cisco Prime Network control system has been renamed to what
Definition
Cisco Prime Infrastructre
Term
How many seconds are in 5 minutes
Definition
300 seconds
Term
What WLC interface is used for the Guest WLAN
Definition
Dynamic Interface
Term
1800 seconds is how many minutes
Definition
30 Minutes
Term
How many seconds are in 10 minutes
Definition
600 seconds
Term
How many minutes is 600 seconds
Definition
10 Mintues
Term
What auth method uses inner and outter auth within a EAP tunnel
Definition
PEAP - Protected EAP
Term
EAP generally only protectes what (outer or innter packets)
Definition
Outer-ENCAPSULATED
Term
What transmission type is used in 802.11b
Definition
DSSS- Direct-sequence spread sprectrum
Term
What is Spatial multiplexing
Definition
data is sent over 2+ radio chains (multiplexed) on the same channel
Term
Define the word "Spatial"
Definition
Relating to space
Term
Scattering does what to RF signals
Definition
breaks them up into MANY differenct directions
Term
PS-poll stands for what
Definition
power save poll frame
Term
PS-polls are sent from what device (STA or AP)
Definition
Station or the client is what sends a poll to the AP to request any frames that were buffered on the AP while the client was in power save mode
Term
Channel reuse is a term that describes what practice
Definition
alternating channels to avoid overlap
Term
What does RSSI stand for
Definition
Releative received signal strength. Aka, the clients received signal strength relative to the absolute 1 signal level.
Term
list the 5 passive mgmt functions of the CUWN
Definition
RF mgmt, assoaction & roaming, client auth, security mgmt, QOA
Term
What is a REAL TIME function of the CUWN
Definition
Encryption, MAC mgmt, RF transmit - receive for RRM
Term
What port relays client DHCP requests, web auth and client mobility
Definition
Virtual
Term
AP SSO groups controllers into what kinda pairs
Definition
HA, so each WLC is always in sync w/ each other
Term
What WLC method allows client auth during roaming when you halve multiple controllers
Definition
CCKM - Cisco Centralized Key Management
Term
What layer roaming uses tunnels to allow client roaming as if it was on the same ip subnet
Definition
layer 3, since its IP based
Term
Layer 2 roaming is based on what with the client
Definition
layer 2 is MAC based
Term
What kind of term allows Layer 3 IP roaming
Definition
CAWAP tunnels. Cisco access wireless AP
Term
What standard decides how a client is listed in the association tables of WLC when its NOT in layer 3 roming
Definition
802.11
Term
TKIP is what kind of protocol in the 802..11i working group and created by the Wi-Fi Alliance
Definition
TKIP
Term
TKIP stands for what and replaces what
Definition
Temporal Key INTEGRITY protocol. Step up from WEP
Term
Distribution system ports connect what
Definition
the WLC to a switch port in trunk mode
Term
WMAN us what kind of IEEE standard
Definition
802.16
Term
EoIP stands for what. and comes before or after CAPWAP tunnels
Definition
Ethernet over IP. Preceeds CAPWAP
Term
DECT is on what band, and stands for what
Definition
Digital enhanced cordless telecommunications. 1.9ghz band
Term
WLC uses admin/admin, what does a AP use as the default login
Definition
Cisco/Cisco
Term
What devices inverts (alters) the componets of a expected RF signal
Definition
Wi-fi Inverted
Term
Define the roaming type: Local-to-foreign
Definition
layer 3 roam
Term
Define the roaming type: Local to local
Definition
Layer 2 roam
Term
Define the roaming type: 802.11 mobile
Definition
Describes the way a client is in the assocation table of the orginal WLC while in a L3 roam
Term
Define the roaming type: 802.11
Definition
How the client is listeded in assocation tables when NOT roaming
Term
What kind of roaming supports 802.11r credential caching
Definition
Mobility groups, which also support CCKM, PKC and L2 and L3 roaming
Term
How long does a intracontroller roam take
Definition
10ms
Term
Link tests require what verison of CCX
Definition
CCXv4
Term
List the 4 kinds of alerms in WCS from least to most concerrn
Definition
Critical (red arrow), Major, Orange arrow, minor - yellow circle
Term
TKIP is replaced with what that requires AES
Definition
CCMP, counter /CBC-MAC protocol
Term
PKC does what
Definition
allows clients to maintain a list of keys used prior to joing the AP
Term
WLC supports how many WLANs
Definition
512
Term
EAP handles what function
Definition
client assocation
Term
WEP keys are also described as what
Definition
passswords
Term
LAPs connect to switch in access or trunk mode
Definition
access
Term
AP connect to a switch in access or trunk mode
Definition
trunk
Term
Why does an AP need a trunk port unless its in LAP mode
Definition
so that it can carry multipal vlans, aka so clients can connect to the proper vlan
Term
What command displays system errors and messages
Definition
show msglog
Term
show traplog displays what
Definition
alarms on the WLC
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