单选题A remote user cannot connect to the office via VPN. The user has established Internet connectivity. Which of the following is the MOST likely next step in troubleshooting?（）A Power cycle the VPN concentrator at the office.B Determine if the VPN service

第1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?（）

• A、The Java applet is disabled in the web browser.
• B、Deny all has not been configured in the firewall.
• C、Wireless network drivers are corrupt.
• D、Port forwarding settings are not correct

第2题：

A user has reported that they cannot access the company FTP site. The user states that they are using the IP address that was given to them “74200.92.105”. Which of the following is MOST likely the problem?（）

• A、Invalid IP address
• B、FTP program is not working
• C、Port 21 is blocked
• D、The FTP site is down

第3题：

第4题：

The user turns on the computer and hears a popping sound and detects a burning smell. Thesystem will not power on. Which of the following is the MOST likely problem?（）

• A、Power supply has blown.
• B、CPU fan is faulty.
• C、Motherboard has overheated and shutdown.
• D、UPS has been tripped.

第5题：

A user explains that after the office was vacuumed the previous night their sound is not working and they cannot get onto the network. The user has verified that all of the PC’s cables are plugged into their respective ports. Which of the following is the MOST likely cause?（）

• A、Frayed or broken cables
• B、UPS is unplugged
• C、NIC and sound card are disabled in Device Manager
• D、Speakers are muted

第6题：

A user reports that the Windows update function will not run on the computer but the Internet can be accessed. The user is running an original version of Windows XP Professional. Which of the following is MOST likely the cause？（）

• A、The user has not registered the copy of Windows.
• B、The user has not applied at least Service Pack 1 to their system.
• C、The user does not know what site to access for the updates.
• D、The user needs to flush the DNS cache.

第7题：

Which of the following are troubleshooting targets common to both site-to-site and remote-accessVPNs？（Choose all that apply.）（）

• A、Routing loops
• B、Misconfiguration of VPN end points
• C、Overiapping IP address space
• D、DMVPN
• E、User profiles
• F、MTU

第8题：

A remote user cannot connect to the office via VPN. The user has established Internet connectivity. Which of the following is the MOST likely next step in troubleshooting?（）

• A、Power cycle the VPN concentrator at the office.
• B、Determine if the VPN service is running at the office.
• C、Reinstall the VPN client at the remote computer.
• D、Determine if the user has the correct VPN address and password.

第9题：

A user cannot undock a laptop from the docking station. Which of the following is the MOST likely cause?（）

• A、The laptop is not turned off
• B、The power cable is not unplugged
• C、The lock button is set to lock
• D、The ACPI settings are configured improperly

第10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？（）

• A、Call the corporate help desk to have the VPN server rebooted
• B、Re-enter the username and password in the VPN connection and reconnect
• C、Call the broadband Internet provider to replace the SOHO router with a newer model
• D、Ping the corporate VPN server to ensure it is online