[单项选择]Processed food and food （）contains chemicals and preservatives should be avoided.
A. when
B. where
C. which
D. who

[单项选择]They resort（）fast food which is fatty and contains high amount of cholesterol.
A. with
B. at
C. on
D. to

[单项选择]Which of the listed chemicals can be routinely used to maintain the hygienic quality of potable water?（）
A. Hydrochloric acid
B. Chlorine
C. Sulfuric acid
D. Zinc chromate

[单项选择]Which of the following chemicals will be used where protection against caustic cracking is required in boiler treatment?（）
A. Sodium hydroxide
B. Sodium carbonate
C. Sodium nitrate
D. Sodium polyphosphate

[单项选择]Your network contains two Active Directory forests named contoso.com and fabrikam.com.You have a standalone Network Policy Server (NPS) named NPS1.You have a VPN server named VPN1. VPN1 is configured as a RADIUS client to NPS1.You need to ensure that users from both forests can establish VPN connections by using their own domain accounts.What should you do？（）
A. On NPS1, configure remediation server groups.
B. On NPS1, configure connection request policies.
C. On VPN1, modify the DNS suffix search order.
D. On VPN1, modify the IKEv2 Client connection controls.

[单项选择]To determine that a compartment contains sufficient oxygen to sustain life, you should use a/an （）.
A. explosimeter
B. oxygen indicator
C. fresh air indicator
D. all of the above

[单项选择]contains（）方法表示（）。
A. 检测class属性中是否包含一个指定的类名
B. 如果不存在类名就添加一个；否则，删除它
C. 从元素的class属性中添加和清除一个类名
D. 以上都不正确

[单项选择] The EMPLOYEES table contains these columns: EMPLOYEE_ID NUMBER(4) ENAME VARCHAR2 (25) JOB_ID VARCHAR2(10) Which SQL statement will return the ENAME, length of the ENAME, and the numeric position of the letter "a" in the ENAME column, for those employees whose ENAME ends with a the letter "n"?（）
A. SELECT ENAME, LENGTH(ENAME), INSTR(ENAME, 'a') FROM EMPLOYEES WHERE SUBSTR (ENAME, -1,1) = 'n';
B. SELECT ENAME, LENGTH(ENAME), INSTR(ENAME, ,-1,1) FROM EMPLOYEES WHERE SUBSTR (ENAME, -1,1) = 'n';
C. SELECT ENAME, LENGTH(ENAME), SUBSTR(ENAME, -1,1) FROM EMPLOYEES WHERE INSTR (ENAME, 1,1) = 'n';
D. SELECT ENAME, LENGTH(ENAME), SUBSTR(ENAME, -1,1) FROM EMPLOYEES WHERE INSTR (ENAME, -1,1) = 'n';

[单项选择] Your multitenant container database (CDB) contains a pluggable database, HR_PDB. The default permanent tablespace in HR_PDB is USERDATA. The container database (CDB) is open and you connect RMAN. You want to issue the following RMAN command: RMAN > BACKUP TABLESPACE hr_pdb:userdata; Which task should you perform before issuing the command?（）
A. Place the root container in ARHCHIVELOG mode.
B. Take the user data tablespace offline.
C. Place the root container in the nomount stage.
D. Ensure that HR_PDB is open.

[单项选择]Your network contains an Active Directory forest. The functional level of the forest is Windows Server 2008 R2.You plan to deploy DirectAccess.You need to configure the DNS servers on your network to support DirectAccess.What should you do？（）
A. Modify the GlobalQueryBlockList registry key and restart the DNS Server service.
B. Modify the EnableGlobalNamesSupport registry key and restart the DNS Server service.
C. Create a trust anchor that uses a certificate issued by an internal certification authority (CA).
D. Create a trust anchor that uses a certificate issued by a publicly trusted certification authority (CA).

[多项选择]Your network contains an Active Directory domain. The network has DirectAccess deployed.You deploy the DirectAccess Connectivity Assistant (DCA) to all client computers.You need to ensure that users can view their DirectAccess status by using the DCA.Which two group policy settings should you configure？（）
A. Dynamic Tunnel Endpoints (DTEs)
B. Corporate Portal Site
C. Corporate Resources
D. PortalName

[单项选择]Your network contains a client computer named Computer1 that runs Windows 7. Computer1 is configured to use DirectAccess. You need to identify the URL of the network location server that Computer1 is configured to use. What should you do？（）
A. From a command prompt, run ipconfig.exe /displaydns.
B. From a command prompt, run netsh.exe namespace show policy.
C. From Control Panel, run the network adapter troubleshooter.
D. From the Network Connection Status window, view the Network Connection Details.

[单项选择]Your network contains one active directory domain. You have a member server that runs windows server 2008. You need to immediately disable all incoming connections to the server. What should you do?（）
A. From the services snap-in disable the IP helper.
B. From the services snp-in disable the net logon service.
C. From windows firewall. Enable the block all connections option on the public profile.
D. From the windows firewall, enable the block all connections option on the domain profile.

[单项选择]Your network contains one Active Directory domain. You have a member server named Server1 that runs Windows Server 2008 R2. The server has the Routing and Remote Access Services role service installed.You implement Network Access Protection (NAP) for the domain.You need to configure the Point-to-Point Protocol (PPP) authentication method on Server1.Which authentication method should you use？（）
A. Challenge Handshake Authentication Protocol (CHAP)
B. Extensible Authentication Protocol (EAP)
C. Microsoft Challenge Handshake Authentication Protocol version 2 (MS-CHAP v2)
D. Password Authentication Protocol (PAP)