You work as a database administrator for Certkiller .com. You have set the retention period for Automatic Repository （AWR） statistics to four days and collection interval to 15 minutes. You want to view the statistics collected and stored in AWR snapshot. Which two methods would you use to view the AWR statistics？（）

A

use enterprise manager

B

use DBMS_SQL package

C

use DBMS_AWR package

D

use PRVT_WORKLOAD package

E

query the AWR snapshot repository objects

F

use DBMS_WORKLOAD_REPOSITORY package

盘必须存放在远离电视机、监视器等地方，因为这些物体能够产生—定的（）。

A、电场

B、磁场

C、灰尘

D、温度

During Company.com planning session，Company.com presents the details of the current  Network design. The network design serves four separate company facilities， each on as separate subnet. As part of a disaster recovery plan， the customer is evaluating the use of HACMP. Specifically， the have reviewed IPAT via IP aliasing and are questioning the number of IP subnets required.  Given the customer’s current configuration，what is the recommended minimum number of IP subnets that would be required？（）

A、 4

B、 5

C、 6

D、 8

In JUNOS software, which type of VPN supports IPX and Appletalk?（）

A、Martini based VPNs

B、2547bis based VPNs

C、Sham link based VPNs

D、Virtual Router based VPNs

In JUNOS software, which command is used to configure TED support for OSPF?（）

A、set protocols rsvp cspf-enable

B、set protocols mpls cspf-enable

C、set protocols rsvp traffic-engineering

D、set protocols ospf traffic-engineering

患者，女性，28岁，咳嗽两个月，干咳为主，有午后低热，月经不规律。胸片示右上肺淡片状阴影。为进行诊断，进行了PPD试验。关于PPD试验结果的判断，下列哪项是正确的（）

A、硬结直径≤5mm为阳性

B、硬结直径5～9mm为阳性

C、硬结直径≤10mm为阳性

D、硬结直径10～19mm为阳性

E、局部有水疱为阳性