[单项选择] A network de sign shows area 1 with three internal routers, area 0 with four internal routers, and area 2 with five internal routers. Additionally, one ABR (ABR1) connects areas 0 and 1, plus a different ABR (ABR2) connects areas 0 and 2. How many Type 1 LSAs would b e listed in ABR2's LSDB?（）
A. 6
B. 7
C. 15
D. 12
E. None of the other answers is correct.

[单项选择]The food shows no sign of（）.
A. touched
B. being touched
C. having been touched
D. having touched

[单项选择]You must segment your internal /24 network into a minimum of 12 subnets, each containing a minimum of 12 hosts. Which network mask do you use?（）
A. /26
B. /27
C. /28
D. /29

[多项选择]What are three relevant design considerations when using the 15216 EDFA？（）
A.  dispersion
B.  Optical SNR
C.  span attenuation
D.  four wave mixing
E.  receiver sensitivity

[单项选择]Which configuration shows the correct application of a security policy scheduler?（）
A. [edit security policies from-zone Private to-zone External] user@host# show policy allowTransit { match { source-address PrivateHosts; destination-address ExtServers; application ExtApps; } then { permit { tunnel { ipsec-vpn myTunnel; } scheduler-name now; } } }
B. [edit security policies from-zone Private to-zone External] user@host# show policy allowTransit { match { source-address PrivateHosts; destination-address ExtServers; application ExtApps; } then { permit { tunnel { ipsec-vpn myTunnel; } } } scheduler-name now; }
C. [edit security policies from-zone Private to-zone External] user@host# show policy allowTransit { match { source-address PrivateHosts; destination-address ExtServers; application ExtApps; } then { permit { tunnel { ipsec-vpn scheduler-name now; } } } }
D. [edit security policies from-zone Private to-zone External] user@host# show policy allowTransit { match { source-address PrivateHosts; destination-address ExtServers; application ExtApps; scheduler-name now; } then { permit { tunnel { ipsec-vpn myTunnel; } } } scheduler-name now; }myTunnel;

[单项选择]Which command shows your active Telnet connections?（）
A. show session
B. show cdp neighbors
C. show users
D. show queue

[单项选择]Historical evidence shows that birth and death rates level off as counties move into the industrial stage.
A. 历史资料显示，随着国家进入工业社会阶段，人口出生率和死亡率会持平。
B. 历史材料表明，人口出生率和死亡率会下降，因为一些国家进入了工业阶段。
C. 历史材料表明，随着—些国家进入工业高度发展阶段，这些国家的人口出生率和死亡率将会持平。
D. 历史经验告诉我们，人口出生和死亡的比率下降是因为每个国家把重点都放在工业上。

[单项选择]The statement that shows the best understanding of the first two paragraphs of the passage is ______.
A. bring me a champagne-colored blouse that matches this watch
B. the perception of color varies with light
C. colorblind people are not good judges of paintings
D. modern music is not as good as baroque music

[单项选择]Satellite photos shows that the clouds are absent or scattered over deforested areas and this could be supported by the following evidences EXCEPT for ______.
A. the clouds over the forest of neighboring Nicaragua
B. computer simulations of day
C. the gradual shifting of bird living upslope
D. a recent population decrease of frogs and toads

[单项选择]The Princeton undergraduate's incident shows that ______.
A. Princeton is a prestigious university indeed
B. the technology of making a nuclear bomb is within easy reach
C. some organizations wish to give Princeton students financial help
D. the student is a rare genius

[单项选择]Research carried out in recent opinion polls shows that ______.
A. the present high unemployment figures are a fact of life
B. new jobs must be created in order to rectify high unemployment figures
C. available employment must be most widely distributed among the unemployment
D. available employment should be restricted to a small percentage of the population

[单项选择]Which of the following commands shows a graphical display of the drive or paths directorystructure?（）
A. dir
B. call
C. tree
D. path

[单项选择]Which command shows dump components and controls live dump attributes?（）
A. dumpctrl
B. sysdumpdev
C. livedumpdev
D. livedumpctrl