23
443
8080
3389
第1题：
A technician needs to manage a switch by using the management port on the back of the switch.Which of the following cables would the technician use?（）
第2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 technician needs to use Remote Assistance with a user. The user is asked to use an email application to send the technician an invitation to remotely access the user’s computer. The email application has not been configured in the user’s computer. Which of the following would be another way for the user to send the Remote Assistance invitation？ （）
第5题：
Which of the following ports should be allowed through a firewall for Telnet to function？（）
第6题：
A technician is able to connect to the Internet but cannot connect to a remote machine through Remote Desktop in Windows XP. Each time the technician attempts to connect to a remote location, the software times out. Which of the following is the MOST likely problem?（）
第7题：
Which of the following ports does RDP use by default？（）
第8题：
A.Straight
B.Console
C.Crossover
D.Loopback
第9题：
A technician is trying to connect from a home computer to their office computer, but cannotconnect via Remote Desktop. Which of the following ports needs to be open for RDP traffic to be allowed?（）
第10题：
Which of the following ports MUST be open on the firewall to allow remote desktop connection and remote assistance traffic through？（）