Vm Tolerance
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Transcript of Vm Tolerance
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A:
Host Fail
ures Clu
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ster Tole
rates
Percenta
ge of Clu
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ster Res
ources Reserved
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Specify
FailoverHosts
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VM Moni
toring, ifenabledQ:
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Identif
y the primarybenet
of usin
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g vLoc
kstep technology.
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A:
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Seamles
s movement of virtual mac
hines fro
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m one h
ost to another host
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bility to
increasethroughput by run
ning virtu
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al machi
nes in parallel
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!ac" up
of all virtual machines on a
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single ho
st
Capabilit
y to s#it
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ch to a s
econdary virtualmachine
#hen the
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primary
virtual machine fails
Q:
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What happenswhen a
ttempt
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s to re
start avirtualmachin
e fail i
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n a v
phere!A cluster"
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A:
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The virtu
al machine is retrieved fro
m the ba
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c"up and
restarted$
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Virtual m
achine restart attempts ar
e discont
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inued aft
er %& minutes 'by default
($
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messa
ge is logged in v
Center S
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erver an
d an attempt is made to p
o#er on
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the virtu
al machine again#hen ho
st resour
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ces chan
ge$
The virtu
al machi
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ne is halt
ed and amessageis sent to
the admi
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nistrator
about the failed virtual
machine$
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Q:
Whichaction
is take
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n by v
phere!A if the hea
rtbeat
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s for a
n applicationare not
receiv
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ed for
aspecied tim
e"
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A:
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The application isrestarted
$
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The virtu
al machine is rest
arted$
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secon
dary virtual mach
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ine is sta
rted$
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The host
is restarted$Q:
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If #$
$onitoring isenable
d% wha
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t does
vphere !A use to d
etermi
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ne whe
ther ornot a virtual
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machin
e is functioning" &h
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oose t
wo.
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A:
Virtual machine C
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P) activi
ty
Virtual m
achine R
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M activi
ty
Virtual m
achine *+
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activit
y
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VM#are
Tools heartbeatsQ:
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Which
are valid statement
s regar
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ding v
phere!A admissio
n contr
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ol" &ho
ose two.
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-.
A:
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ma/im
um of t#o hosts can be sp
ecified a
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s failover
hosts$
Multiple
hosts ca
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n be spe
cified asthe failover hosts$
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The Host
FailuresCluster Tolerates
policy ev
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aluates
CP), memory, storage, an
d net#or
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" resour
ces$
The Perc
entage o
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f Cluster
Resources Reserved polic
y only ev
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aluates
CP) andmemoryresource
s$
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Q:
What happens
when a
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master
host ina vphere !A
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cluster
fails"
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A:
The lasthost to 0o
in the clu
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ster is se
lected asthe ne#master h
ost$
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n electi
on process ta"es
place to
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choose a
ne# master host$
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The clust
er continues #ithout the
master h
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ost until t
he original master host co
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mes bac
" online$
The vCe
nter Serv
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er promo
tes another hostas the m
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aster ho
st$Q:
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Which
features aresuppor
ted wit
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h 'ault
(olerance" &hoose
two.
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%-
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A:
1RS, if2VC is e
nabled
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vMotionmigration
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Virtual m
achine snapshotsQ:
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Which
features must be av
ailable
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on an
)*i host inorder f
or it to
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run fau
lt tolerant virtual
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machin
es" &hoose three.
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3-.A:
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Host certificate chec"ing
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Shared s
torage
4*C5
teamed
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manage
ment net#or"
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FT5
compatible CP)sQ:
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If #$
$onitoring isenable
d% wha
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t happ
ens when a virtual m
achine
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fails o
n an )*i host in a
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A:
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n alarm
is sent and the virtual ma
chine re
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mains un
availableuntil it isrebooted
by an ad
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ministrat
or$
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vSphere
H attempts to restart th
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e virtual
machine$
The virtu
al machi
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ne is retr
ieved from the bac"up, sy
nchroni6
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ed, and t
hen restarted$
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The virtu
al machine primary copy i
s restart
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ed on an
other host usingvMotion$
Q:
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i host%
what isthe primary g
oal of
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vpher
e !A"
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A:
Recoverthe host
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Restart t
he virtualmachine
s
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Restart a
nd loadbalance t
he virtual
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machine
s
7og the
error in t
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he vCent
er Server error log
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Test Stat
us8
+assed
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Percent
Correct8
9-$--:
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!elp,Q
uestions8 1irect a
ll ;uestio
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ns regar
ding thisTest topartneru
niversity
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$issedQuestions:
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tual m
achineon a failed ho
st in a
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vpher
e !A cluster"
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*ncorrect
response's(8The virtu
al machi
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ne is retr
ieved from the bac"up, sy
nchroni6
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ed, and t
hen restarted$=uestion
8
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Which
are valid statement
s regar
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ding v
phere!A admissio
n contr
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ol" &ho
ose two.
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*ncorrect
response's(8Multiple
hosts ca
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n be spe
cified asthe failover hosts$
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The Host
FailuresCluster Tolerates
policy ev
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aluates
CP), memory, storage, an
d net#or
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" resour
ces$4ote8 Thisresponse
is either in
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correct, oradditionalresponse
s may be
re;uired t
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o receivea %>>: score for th
is ;uestio
n$
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=uestion
8
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Which
features aresuppor
ted wit
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h 'ault
(olerance" &hoose
two.
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*ncorrectresponse's(8
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vMotion
migration
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Virtual m
achine snapshots4ote8 This
response
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is either incorrect, oradditional
response
s may be
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re;uired to receivea %>>: s
core for th
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is ;uestion