LoadRunner CPC认证考试复习试题

kF;|&d%V(@0LoadRunner CPC认证考试复习试题

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LoadRunner CPC认证考试复习试题(2006年12月版本),部分答案将在以后公布. CPC考试在2006年12月之前是实验室上机考试,主要分为问答题,选择题和编程题,考试结果一个月之后揭晓,批卷在Mercury的亚太总部新加坡进行的.这里是部分的选择题. 另外,2007年据说将实行新的题型,改为跟SP考试同样的类型,所以题目难度可能有所降低.51Testing软件测试网.P!d+nt-nD[Y3stO

1. How many default Widows: Apache counters are added?

a) 10 : 551Testing软件测试网,U'@ Z)A)W!KZ]

b) 11 : 9

w8{(?B+P0C:H0c) 6 : 10

;`3Uf @1F:\){Iy0d) 9 : 4

e) 5 : 2

7GA|s-Q.r X0f) None of above

2. Can the list of default Windows monitors be changed?51Testing软件测试网m:Tr]?2?K%S

a) No-this list is determined by Microsoft Corporation

$?,Y6oo-R)t0b) Yes-modify the scenario .Irs file51Testing软件测试网;B/l(J3E?x;K3~

c) No-only the domain administrator can modify it

d) Yes-modify a cfg file in LoadRunner’s installation directory

`&~ KV6PK'u0e) Yes-modify a dft file in LoadRunner’s \dat directory

f) All of the above

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U U!BCC;xy0c8v03. For a host machine in a different domain, you try to monitor PerfMon on it and get an “access denied” message. What might resolve this problem?

a) Edit a cfy file in the LoadRunner installation directory to update permissions51Testing软件测试网,y X%c
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VR,u1K1nP`P0b) Edit the registry on the host machine to update permissions by granting READ access toHKEY_LOCAL_MACHINE\Software\Microsoft\WindowsNT\CurrentVersion\Perflib51Testing软件测试网U-W+^@/|BoC

c) Ensure the host machine and the controller machine use the same version of WindowsNT

&eX;o$jy gt0d) Run the netstat command from the host machine to update permissions

K7n"x%c5}V"TqWpT0e) Run the net use command to update permissions51Testing软件测试网 p Gsrr~`)D

MN-tg7L r5P(Di*h;^0f) All of the above51Testing软件测试网 z*L7p}%PQ+v#u

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:\2^(I/qoZa h5Ii04. If you run tracert and notice significant network delays while running the load test, depending on the network configuration, you could try the following to reduce net-work traffic:51Testing软件测试网7w,b|4c$S:qKg

a) Run PerMon and check network byte transfer rate on the controller machine

b) Have the network admin increase the physical packet size (MTU)for large data sets since fragments degrade performance51Testing软件测试网*d]'@u2jce6Nk"J

c) Initialize all vusers before loading them for the test51Testing软件测试网4qr kB3@8~:s?et*VN

d) If the problem is the network, upgrade the NIC51Testing软件测试网*pn7KV#l P

e) Configure the controller to write run-time data to a shared network drive, rather than to the host machines

1Or RVdM5~o a(N0f) None of the above51Testing软件测试网1Tq&Y6k [+MO

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#wed~5QqhS,p05. To monitor an Apache server:

a) You need the correct URL that reports server statistics51Testing软件测试网Cb$`? V/r

v;bI'L-V0b) You need to monitor through port 80 to accurately measure the end user experience.51Testing软件测试网-c_/]2^)Jd-ca/V gC

|DiTJTm`r0c) You can update the monitor defaults via a .cfg file in LoadRunner’s \monitors folder51Testing软件测试网P@LV JjY9b

d) You can update the defaults via a dft file in LoadRunner’s\dat directory

e) You can monitor Apache even if there is a proxy server between the controller and the Apache servers, after updating a LoadRunner .cfg file51Testing软件测试网bIEdf'zy

f) All of above

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6. Choose the true answer(s) from the list below

a) You can change the agent’s working language from a list of 4 languages51Testing软件测试网G2A:}:u7q(e+VD0g R1A

a2Tri `(B @0b) Use path translation where controller and hosts map a different path to a shared drive where scrīpts are stored

(j&ai$\[D0c) You can select to not collate log files after a run51Testing软件测试网Y2I/[6B5[%k#FB(v

d) You can set a file transfer trace if you have problems transferring files

6M&_4u} }@%~0e) Temporary files ate saved during a run: LoadRunner agent files ate stored in Irr folders and controller files ate stored in brr folders51Testing软件测试网3S/Ol8{AFj%}

f) All temporary files are automatically deleted at the end of the run and cannot be automatically saved

51Testing软件测试网Sy4qkn-U$}
7. Which of the following is true when trouble-shooting the controller’s communication with load generators?51Testing软件测试网T{?\i/?D

j4nh/p G;^ ?9_0a) The controller always uses the host machine’s short name so all host machines must be in the same domain as the controller

b) To ensure the full machine name is used, modify a .ini file in LoadRunner’s \dat directory

c) An .exe file in LoadRunner’s \bin lets you check that tcp/ip is properly installed on a current machine since tcp/ip problems can prevent load testing51Testing软件测试网"R!lT*i7uk

,X{1HA\p0d) If the controller has multiple IPs, alias the controller’s name on all load generators via their. Hosts file

e) Path translation is only effective across different OS platforms51Testing软件测试网s.k~!a2d

`(uX#k o0_&Iu5A0f) All of the above

51Testing软件测试网V7T%X0j@0F+^
8. When configuring online graphs per load test, you :51Testing软件测试网/QP3n5Z iIje5w

a) Can choose to display the x-axis with or without clock time51Testing软件测试网I,cf x@X

b) Can choose to let LR automatically pick the Y-axis or set s min max value for custom scaling

c) Can modify line colors, scaling and visibility of measurements on graphs51Testing软件测试网 YOA+]4kmYT

3[-g@1h9V$xCe0d) Can monitor multiple machine on one monitor graph

e) Cannot monitor multiple machines on multiple monitor graphs51Testing软件测试网,F5N+s~+kuw._

U9{8b[BKq0f) All of above

wbC[GF|0
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I]$x09. During a scenario run, the default storage location for vuser data is :

v._A|K1yeY0a) The controller’s temporary folder- this is configurable

b) The controller’s result folder- this is not configurable

B;`!wG2Jp0c) The host’s installation folder-this is not configurable51Testing软件测试网&Oli.e-d@.g

!tt@xy!I9nB8EeR0d) The host’s temporary folder- this is configurable51Testing软件测试网!V
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e) The controller’s installation folder- this is configurable51Testing软件测试网'|!wKo.E
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}]2A Q(u
K0f) None of above

51Testing软件测试网(M:C!P6cw-f,{"Q
10. New features in LR 7.6 include:

a) Wan emulator

b) Multi-protocol support

SpH&]*MPMu/m0c) Remote global performance monitor51Testing软件测试网*~p"`~zi{-_W/Jp@

F.@"V"Lw'J6pJh0d) MS-Word report generator51Testing软件测试网,Ixw,~_

e) EJB analysis – new views51Testing软件测试网 V/ur1B1vhf_1zs

i1wgzh]0f) Analysis data import wizard51Testing软件测试网 a+`-x)U'T2a'N

g) All of the above

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11. Pick the top time transaction(s) for your 3 rd run :

r8g|
E!W0a) Login51Testing软件测试网b7r4C"gC\&~@X

VB(A6Y~wFV0b) Logout51Testing软件测试网C,HGt7K
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i|3qc;h@K)g0c) FlightSearch_roundTrip51Testing软件测试网V_y j+U/ZH.S-u"v

d) FlightSelect_roundTrip

'Zpj-g9Uq YR.d,a9~0e) FlightPurchase_roundTrip

f) FlightSearch _oneWay

,N%Z:O s:I\9`0g) FlightSelect_ oneWay

WD:NH(M,W0h) FlightPurchase_oneWay

i) DeleteItinerary

L]*nY7yf%y8S6m0j) ViewItineraryh_roundTrip

I;Kd3MT&TxO6a0 

+J#@:zF;@X oa)NI8l012. What must happen in order to generate analysis data :51Testing软件测试网 }%`5[2@
me

[7v]#?"^mj0a) Transactions must be used

iAs,b:tV0b) Performance monitors must be used51Testing软件测试网v}h2iw:DTY

DN,j"T%C(s:w A0c) User data points must be defined51Testing软件测试网E5m\ uVJN&K3f

on&X&g.^i!M
b0d) Rendezvous functions must be enabled51Testing软件测试网+a
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e) Online graphs must be viewed

51Testing软件测试网I8vXK]#K_Z YJC
13. You can prevent excessive use of disk space for the analysis database by :51Testing软件测试网@0`b9VH0o"tZ

i)eh] im.JRV~ j S0a) Verifying list separator registry options ate the same on your machine as on the database machine51Testing软件测试网(@l9`5yB/A

f1x-K2[;n]XM0b) Instructing LoadRunner to save in Access 2000 rather than Access 9751Testing软件测试网{3Ifl]u^aM

c) Storing small databases on a SQL server or MSDE machine

Z/b'j'S9B8H'o0d) Storing large databases on a SQL server or MSDE machine51Testing软件测试网zJ@+n+IE*p3\{"]

T!S],H-B3l:V im0e) Clicking a button in the Options>database tab51Testing软件测试网5}4C%P-Nc T

c c Eg'wI)m9v(o9p014. If using a time range filter for stored scenario data:51Testing软件测试网#}E?QD\1z_@

rJC
wx{:m3y0a) The running vusers graph expands to suit51Testing软件测试网s^MmM]4c

b) The processing time decreases

c) The db size increases to track what is ignored

d) The db size decreases

1r)Dn;t}9\,E
Gj!t0e) This behavīor will be globally applied

51Testing软件测试网U4Rf u1I0|p_
15. When saving display options and filters for future reuse, available features include:51Testing软件测试网(?*V9w1_'@ pv:`P K

a) Automatically apply this template to a new session

*w[G)N"U:KIdv0b) Use automatic granularity

c) Generate the following automatic HTML report51Testing软件测试网%qscz Z3L:Qhs

?;G$X? o0d) Automatically save the session as51Testing软件测试网"k']:m:]$r6}L;J

e) All of the above51Testing软件测试网b1h#v4U.M {F j

([ {][#c.V7YK`016. From recent versions of the analysis tool, you :51Testing软件测试网5Aa+Z\tX-m,Q

a) Cannot view the controller’s vuser groups information

b) Can view the controller’s build number

"["W.[v9pl'`M:m l0c) Can view the controller’s scheduling details

d) Can distinguish between summary and complete analysis data

5J+eLa+kfj0e) All of above

eT:g[V2\4J-L5U-E017. Which of the following customizations can you apply to a subset of graphs?51Testing软件测试网C`h4FJ9d

a) Can change the title font and text

b) Cannot change the background/foreground colors or add images unless exported

c) Can change the depth perception on the graph using an additional dimension

wkH#ZA(Eg6~b2d@v0d) Cannot rotate or tilt51Testing软件测试网 h.b/^
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bi2nx~0e) All of the above51Testing软件测试网/HMjI(d.`

51Testing软件测试网:oo5`n7jL+| UT6z
18. To standardize a gragh is to

a) Focus on behavīor patterns51Testing软件测试网P-g3K$C9wd)vs

b) Cancel axtual vaues51Testing软件测试网%v fro(K.] c8A*K i[ x

O4j
Nr-V-\5G0c) Have y-axis values converge around zero

d) Plot standard deviation values51Testing软件测试网tQ(`#w,cg:d

E,LO*ZiL0e) None of the above

LA:eEI8lU1JtS051Testing软件测试网;YY)]NW~2W7F ]
19. The Transactions per Second graph helps you to determine load on the system at any given moment

a) False51Testing软件测试网1cq.\`)V4n3y!}Rq

};~;f"Q!c9|5E0b) True

51Testing软件测试网5B"}V8~5XOL1_kp
20. The Response Time (under load) graph helps you create a gradual load

j1S,?!pC0a) False

b) True51Testing软件测试网8e_9t[ z?yM

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+?i;d]'w;c021. The graph helps you calculate the time to first buffer.51Testing软件测试网fl#GYjosu

{G;T2C'w}(d0a) False

b) True51Testing软件测试网I!`7iY f,P

51Testing软件测试网?
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22. If you have min and max acceptable transaction times defined, you can use the Distribution graph to determine if server performance is within an acceptable range.

a) False

b) True

51Testing软件测试网|9sN2u(`
23. The auto correlation options include:

V/Vk2g/w0a) Automatic51Testing软件测试网BY1i5d6]1e

b) Correlate data based on X second intervals51Testing软件测试网~.K1`_)o_&a*z

c) Manual51Testing软件测试网7ASn_{1X5e:RB

OPpYk&v0d) Correlate data based on X minute intervals51Testing软件测试网%bF{M sI3G;w7i

\!aV7J!~i+Z
m?0e) None of the above

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5V~5v)`+[024. When tuning a system, web/web-app server metrics to check include:

eGT;e0UR1N0a) Browser version

b) Physical memory51Testing软件测试网/_9P0eS#w1X4a'x A`

sZ\fuZ}X1oe3Y0c) Load balancing algorithm

&T HSd6Z(|4F0d) Images per page51Testing软件测试网p n_Imk!n m

e) CPU

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? ou6^On%`N025. Two examples of common database server problems are:

cu4A[nw0a) Corrupt .dll files51Testing软件测试网r/l8cp?#ppP

b) Inefficient index design51Testing软件测试网2Doe1u9rTz&G

;W O|2HC4GO;g"P"[,Rf0c) Fragmented databases

Q#D;G)aCpc1i2M0d) Compacted data51Testing软件测试网$iu0X9h2D/a-l

e) Short transactions51Testing软件测试网x%S$GU7GRR0v7`

6?%]9]w qB/iS }%l026. When making improvements to SSL web application performance, include these steps:51Testing软件测试网9C0m+V {#JK9n1|qY"t.c

/?p"m1b]5q_4b0a) Cache the session identifiers from each transaction

b) Avoid excessive use of SSL and re-design pages that have low data sensitivity to not use SSL.51Testing软件测试网0fD+{V.p:^u.|gi

+i p[9J8Q!S
^
m0c) Use “keep-alive” enhancement features available with most web browsers

5U|"EA'Xm0d) Change level of security according to level of data sensitivity51Testing软件测试网e9v6M^3L&u

\RKp?y:Yh$n#O0e) Use SSL accelerator appliances and cards51Testing软件测试网4A"y#Qd%^8OY;E

51Testing软件测试网)zP8X%MRH"I{)d
27. Network bottlenecks are indicated during a test when you add considerable load but:

a) Sever-side components are barely affected51Testing软件测试网-g4u2Ag-eC3A2u

b) Outgoing replied are significantly delayed compared to incoming requests

c) Receive timeouts only51Testing软件测试网Ug3h4t8|B1r5|$K

9l)M,]bTZ0d) No idle servers available

k#p$M7]bQOz]0e) All of above

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28. Load tests and subsequent data analysis are recommended:51Testing软件测试网1E n5[%k0exM

a) During initial load testing of the test system to determine its final state

b) After tuning the system to ensure previous problems were fixed51Testing软件测试网Z$`}3|)^q {P X

c) During finial load testing of the system to prove new bottlenecks exist51Testing软件测试网N5fx$fkp'p

n@,E[V0d) When determining configuration changes to improve response times51Testing软件测试网L^0cG2Y:a)}

e) When determining architectural changes to improve response times51Testing软件测试网;T1kvO6_f

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3FrF*Y&`M.i029. Available performance reports include:51Testing软件测试网 } ^fu,J5`I

a) Detailed Summary

b) Transaction Performance by Vuser

9rE
] D/G&UN0c) Detail Transaction51Testing软件测试网g'V\%zI2V,@/s{J2V

I'AayOy"h#M*n)g0d) Failed Transactions51Testing软件测试网"N1OH9l(hK

2R'F3u5gT}0e) All of above

7]6b;w8D2T0
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Q(b`Q030. Available activity reports include:

Y4DM'W|0a) Scenario Summary51Testing软件测试网 ok%c{&]2f*kKg

s?Pa vof0b) Failed Transaction

c) Failed Vuser51Testing软件测试网i&s+dltq m%bO

)GWN;['Vn#f0d) Scenario Execution51Testing软件测试网5M\6U5@Fq3d
e{

e) All of above

/deZ'uS*W2xm7Sk/I031. Two prerequisites for merging graphs are:51Testing软件测试网 R~5]3XT*eoF)V K

a) Both graphs must be identical

b) The graph should have identical axes51Testing软件测试网"Z'e#^'fZKCf

\q)o,D_v2O%D0c) Both graphs should be opened first

d) Both graphs should share one common axis51Testing软件测试网,UL$[.F9V&N

e) None of the above

WY%w6pD"wN0
1[*C#HNxk032. Cross-result graphs can be use to:

(t%SaTH-IF&y0a) Check 2 different result files(maximum)

b) Test software versions51Testing软件测试网6Wt[ARd(d

1Xph#A;x|FF&W%n0c) Determine system capacity

^/E
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|!KE4F0d) Benchmark hardware51Testing软件测试网:B+g#fib

e) All of above51Testing软件测试网-[$sI|,n2BQy7X

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