题目内容（请给出正确答案）

[主观题]

According to the third paragraph, what will happen when the underground heat does not disa

ppear？

A．Coal heats up on its own and catches fire and burns.

B．The underground oxygen will be used up.

C．Poisonous fumes and greenhouse gases will be accumulated underground.

D．There will be an increase of abandoned mines.

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更多“According to the third paragra…”相关的问题

第1题

An administrator receives a call from a user who is unable to receive email. After trouble

shooting the administrator is able to resolve the issue and verify that user is able to access email again.Which of the following is the NEXT step that the administrator should take？（）

A. Implement preventative measures.

B. Close the issue.

C. Document the outcome.

D. Question other users to make sure they are not having the same issue

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第2题

The network administrator has just finished installing a new 10/100/1000 switch, but recei

ves reports from the server administrator that servers connected to the new switch seem to be experiencing slow LAN connections. The network administrator checks the port connecting the new switch to the core switch and sees the following information:Which of the following is the MOST likely cause of the slow connections？（）

A. The servers have not had VLAN tagging enabled on their NICs.

B. Speed and duplex have not been set.

C. VLAN tagging was not set on the trunk.

D. The servers have been connected with CAT5 cable.

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第3题

An administrator wants to prevent users from plugging in their personal laptops and access

ing theInternet without a member of the IT staff configuring the machine first.Which of the following would MOST likely be installed？（）

A.Multilayer switch

B.CSU

C.Proxy server

D.IDS

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第4题

An administrator is setting up a network and would like to prevent users from having the a

bility toplug their PC into the network to receive an IP address.Which of the following addressing schemes should the technician use？（）

A.NAT

B.Dynamic

C.Subnetting

D.Static

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第5题

A system administrator receives a new server and has booted the system for the first time.

The administrator has set up the terminals and users. The user start to log on. Root is logged in on the console. When additional users start to log in, an error is displayed stating that All available login sessions are in use. Which of the following steps should be followed to resolve this problem？（）

A.Permissions on /etc/security were changed in error; do a chmod 755 on /etc/security directory.

B.Increase the number of licenses; using smit chaili cense

C.Change the Maximum number of PROCESSES allowed per user variable; using smit chgsys.

D.Change User can logi field from false to true: using smit chuser.

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第6题

You have a domain controller named Server1 that runs Windows Server 2003 Service Pack 2 （S

You have a domain controller named Server1 that runs Windows Server 2003 Service Pack 2 (SP2).You start Server1 in Directory Services Restore Mode and attempt to log on by using the username administrator and a password of Pa$$w0rd. The logon attempt fails.You restart Server1 normally and successfully log on to the server by using the username administrator and a password of Pa$$w0rd.You need to ensure that you can log on to Server1 in Directory Services Restore Mode.What should you do？（）

A. From ntdsutil.exe, run Set DSRM Password.

B. From ntdsutil.exe, run Security account management.

C. From Active Directory Users and Computers, select the Account is trusted for delegation option for the Administrator account.

D. From Active Directory Users and Computers, select the Store password using reversible encryption option for the Administrator account.

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第7题

What must an administrator do to prevent new telnet users from connecting to the system？（）

A．rmdev -l /dev/pts

B．touch /etc/nologin

C．chdev -l sys0 -a nologin

D．chuser -a login=false ALL

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