单选题A banking user with the userid of ’joe’ is unable to rsh from SYSTEMA to SYSTEMB without having to retype their password， but they can rsh from SYSTEMB to SYSTEMA. No other users are experiencing the same issue.  Both systems have a /home/joe/.rhosts f

第1题：

第2题：

The following entry is in the /etc/host.equiv and /home/jsmith/.rhosts file on server Alpha：+ jsmith.What does this entry indicate？（）

• A、The user "jsmith" can use r-commands from any server to server Alpha system-wide
• B、The user "jsmith" can use r-commands from server Alpha to any server system-wide
• C、The user "jsmith" can use r-commands from server Alpha to any server with a /home/jsmith directory
• D、The user "jsmith" can use r-commands from any server to server Alpha only in the /home/jsmith directory

第3题：

第4题：

A user with the userid of ’joe’ is unable to rsh from SYSTEMA to SYSTEMB without having to retype their password， but they can rsh from SYSTEMB to SYSTEMA.  No other users are experiencing the same issue.Both systems have a /home/joe/.rhosts file that contain the proper references to the other host. The /home/joe/.rhosts files on both SYSTEMA and SYSTEMB are owned by userid ’joe’.  Which of the following is the most likely cause of this problem？（）

• A、User ’joe’ is specified in the /etc/nologin on SYSTEMA
• B、User ’joe’ is specified in the /etc/nologin on SYSTEMB
• C、The file permissions on the /home/joe/.rhosts file on SYSTEMA is correct.
• D、The file permissions on the /home/joe/.rhosts file on SYSTEMB is incorrect.

第5题：

A user selects their proper domain and is unable to log into their Windows computer. The errorstates： System cannot log you on to the domain because the systems computer account in its primary domain is missing or the password on that account is incorrect.  Which of the following is the MOST likely cause for this error？（）

• A、 The computers account was removed from Active Directory.
• B、 The users account was removed from Active Directory.
• C、 The computer was disjoined from the domain.
• D、 The user typed in the wrong password.

第6题：

What should an administrator do to allow the logon of a user to a local system without limitations from the host‘webserver’？（）

• A、configure the /etc/.rhosts with：webserver
• B、configure the root’$HOME/.rhost file with：+webserver
• C、configure each user’s $HOME/.rhosts file with：webserver
• D、configure the root’$HOME/.rhost file with：webserver

第7题：

A customer has 4 POWER6 servers managed by a Hardware Management Console （HMC）. They plan to install a second HMC for redundancy.  Which of the following statements correctlydescribes the dual HMC environment？ （）

• A、 To provide the Service Agent function， both HMCs must have Service Agent enabled and a dedicated modem and phone line.
• B、 Authorized users must have the same username and password on both HMCs， so that every user of one HMC is automatically authorized on the other.
• C、 Both HMCs are automatically notified of any changes that occur in the managed systems， so results of changes made to the managed system by one HMC are visible on the
• D、 Both HMCs must be running the same software revision. Software maintenance must be performed on both HMCs at the same time， but one HMC should be disconnected from

第8题：

第9题：

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

第10题：

non-root user can run rsh commands from serverA to serverB， but attempts to run rsh commands by the root user return with a permission error message. What action will resolve the problem？ （）

• A、Add root user to the /etc/hosts.equiv on serverb
• B、Create $HOME/.rhosts file for the root user on serverb
• C、Restart the rshd daemon with root enabled option on serverb
• D、Add entry to allow root user from serverA to the /etc/hosts.allow on serverb