单选题Which of the following NTP command specifies that a router is in the Eastern time zone， which isfive hours behind GMT？（）Atimezone EST -5Bclock timezone GMT -5Cdock GMT -5Dclock EST-5ENTP timezone EST -5Fdock timezone EST -5
单选题
Which of the following NTP command specifies that a router is in the Eastern time zone， which isfive hours behind GMT？（）
A
timezone EST -5
B
clock timezone GMT -5
C
dock GMT -5
D
clock EST-5
E
NTP timezone EST -5
F
dock timezone EST -5
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Which of the following NTP command specifies that a router is in the Eastern time zone， which isfive hours behind GMT？（）A、timezone EST -5B、clock timezone GMT -5C、dock GMT -5D、clock EST-5E、NTP timezone EST -5F、dock timezone EST -5
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单选题CE系统中修改系统时间时，选择的时区应该是（）.A（GMT-12：00） International Date Line WestB（GMT-07：00） Chihuahua，La Paz， MazatlanC（GMT-03：00）Buenos Aires，GeorgetownD（GMT+08：00）Beijing，Chongqing，Hong Kong SAR，Urumqi
单选题Which operational mode command can be used to synchronize the local system with an NTP server?（）Aset ntp time 64.32.129.3Bset clock ntp 64.32.129.3Cset time 64.32.129.3Dset date ntp 64.32.129.3
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单选题Which configuration command is used to make the ERX Edge Router an NTP server？（）A set ntp-serverB set ntp serverC ntp-server enableD ntp server enable
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多选题Which two statements are true regarding the use of NTP clock synchronization?（）AThe Junos OS supports client, server, and symmetric modes of NTP operation.BSynchronized time on all network devices makes log messages more useful for troubleshooting.CAuthentication methods are not supported.DThe Junos OS must be used as the primary time reference.