The routing table on the AIX server is incorrect.
The IP address in the /etc/hosts file is incorrect，
The portmap daemon is not running on the AIX server.
The inetd daemon is not running on the AIX server.
第1题：
An administrator is in charge of several remote servers in Japan. Users call and complain they cannot connect to the company’s resources located on those servers. Which of the following commands would allow the administrator to verify the servers are running？（）
第2题：
A user is unable to connect to the company's intranet server by FQDN, but can connect by IP address. Other users are not having a problem. An administrator verifies that the user can successfully ping the server by IP address and can properly resolve the FQDN using nslookup. The problem is persisting after running ipconfig /flushdns. Which of the following should the administrator do NEXT?（）
第3题：
A user is trying to use Remote Desktop to connect to another computer on the LAN. Theconnection fails. The technician opens up a command prompt and types the following: telnetcomputernamE. 3389” and also gets the same error message.Which of the following is the MOSTlikely cause of this error, assuming that the OS firewall has been disabled?（）
A. The antivirus software is blocking the incoming connection.
B. The ISP is blocking Remote Desktop at their end.
C. The RDP connection has been configured to use a non-standard port.
D. The telnet service has not been installed.
第4题：
A user connects to the companys intranet server via a VPN connection from a small office / home office （SOHO） using the broadband service. One day， the user cannot successfully connect to the VPN and receives an error message that states "Username and password are invalid on the domain." Which of the following should be done to correct this problem？（）
第5题：
Your company has a single active directory domain. The company network is protected by a firewall. Remote users connect to your network through a VPN server by using PPTP. When the users try to connect to the VPN server， they receive the following error message： Error 721： The remote computer is not responding. You need to ensure that users can establish a VPN connection. What should you do？ （）
第6题：
Which of the following BEST describes server virtualization？（）
第7题：
Multiple users are trying to telnet to the AIX server. They are able to ping the server successfully， but are getting the following error message： telnet： connect： A remote host refused an attempted connect operation Which of the following could be the cause of this problem？（）
第8题：
A user is unable to connect to the company‘s intranet server by FQDN, but can connect by IP address. Other users are not having a problem. An administrator verifies that the user can successfully ping the server by IP address and can properly resolve the FQDN using nslookup. The problem is persisting after running ipconfig /flushdns.Which of the following should the administrator do NEXT?（）
A. Examine the Imhost file.
B. Flush the cache on the DNS server.
C. Flush the cache on the WINS server.
D. Examine the hosts file
第9题：
A user is unable to connect to the network. A network technician is able to determine that there is a problem on the switch. All other users on that switch are able to connect successfully to the network. Which of the following is a probable cause？（）
第10题：
Several users are sending emails to CompTIA.org. but they are not being received. Which of thefollowing commands could be used to verify that the company is able to connect to the mailservice at CompTIA.org?（）