直放站可以用来扩大无线覆盖范围和提高覆盖质量,也可以增加系统容量。
A、对
B、错
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Which directory does the Junos OS use to store syslog information by default?()
A、/var/messages
B、/var/syslog
C、/var/tmp
D、/var/log
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Which statement is true about the frequency of OSPF LSA transmissions?()
A、 They are configured per OSPF area.
B、 They are configured per virtual router.
C、 They are configured per OSPF process.
D、 They are configured per OSPF interface.
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想在另一个模式中创建表,用户最少应该具有什么系统权限?()
A、CREATETABLE
B、CREATEANYTABLE
C、RESOURCE
D、DBA
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You are using Recovery Manager (RMAN) for backup and recovery operations with a recovery catalog. You have been taken database backups every evening. On November 15, 2007, at 11:30 AM, you were informed that the USER_DATA tablespace was accidentally dropped. On investigation, you found that the tablespace existed until 11:00 AM, and important transactions were done after that. So you decided to perform incomplete recovery until 11:00 AM. All the archive logs needed to perform recovery are intact. In NOMOUNT state you restored the control file that has information about the USER_DATA tablespace from the latest backup. Then you mounted the database. Identify the next set of commands that are required to accomplish the task? ()
A、 A
B、 B
C、 C
D、 D
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You are at the top of the hierarchy and must configure OSPF on interface so-0/0/0 unit 100. Which two achieve this result?()
Aset protocols set ospf area 0 set interface so-0/0/0.100
Bset protocols ospf area 0 interface so-0/0/0.100
Cedit protocols ospf interface so-0/0/0.100
Dedit protocols ospf area 0 set interface so-0/0/0.100