单选题An employee cannot access the company database. You check the connection variables: What is a valid explanation for why one of the users is unable to connect to the database?（）ABob has max_user_connections set to zero, which blocks all his connectionsB

第1题：

You have a server named Server2 that runs Windows Server 2003 Service Pack 2 (SP2). The server has two network connections named Local Area Connection and Internet Connection.You configure network address translation (NAT) on Server2 as shown in the exhibit. (Click the Exhibit button.) You configure all client computers to use Server2 as their default gateway.Users report that they cannot connect to the Internet. You successfully connect to the Internet from Server2.You need to ensure that client computers can access Internet resources.  What should you do?（）

• A、Change the Internet Connection interface type to Basic firewall only. 
• B、Change the Internet Connection interface type to Private interface connected to private network. 
• C、Add Local Area Connection as a new interface for the NAT protocol and set the interface as a Public interface connected to the Internet. 
• D、Add Local Area Connection as a new interface for the NAT protocol and set the new interface as a Private interface connected to private network.

第2题：

Your application demands frequent connection and disconnection from the database. You have three listener processes that are listening for the database PROD. While setting up the connect string using Oracle Enterprise Manager 10g Database Control， which two options would you select to balance the connection load across all the listener processes？（）

• A、Use only the first address.
• B、Try one address，selected at random.
• C、Try each address，in order，until one succeeds.
• D、Try each address，randomly，until one succeeds.

第3题：

You install Windows 2000 Professional on your computer at home. You create a new dial-up connection to connect to your company’s remote access server. You configure the connection to use both of your external modems and to use multilink to bind the modems together. You start the dial-up connection and connect to the remote access server. You notice that only one of the modems is connected to the remote access server. What should you do？（）

• A、Configure the dial-up connection to use a SLIP connection.
• B、Configure the company’s remote access server to accept multilink connections.
• C、Replace your modems with new modems that support multilink.
• D、Grant your user account multilink permission on the company’s remote access.

第4题：

You want to connect to your company network from your Windows 2000 Professional computer at home. You have an ISDN line that is used for internet connectivity. You create a VPN connection and are able to connect successfully to the company network. While connected to the company network, you are unable to access the Internet.   What must you do so that you can access the Internet?（）

• A、Configure the ISDN connection to use SLIP instead of PPP.
• B、Select the Enable Internet Connection Sharing for this connection check box in the ISDN connection properties.
• C、Clear the Use default gateway on remote network check box.
• D、Install and configure the SAP Agent service.

第5题：

You install Windows 2000 Professional on your portable computer. You create a new dial up connection to connect to your company’s remote access server. You connect to the remote access server by using the dial up connection. You can connect to the servers on the same segment as the remote access server. You cannot access the shared resources that are on the remote segments from the remote access server. What should you do？ （）

• A、Configure the company remote access server to accept multilink connections.
• B、Configure the TCP/IP program for the dial up connection to disable IP header compression.
• C、Configure the TCP/IP properties for the dial up connection to use the default gateway on theremote network.
• D、Grant your user account dial in permission on the company remote access server.

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第13题：

You want to provide all users in your corporation with a single agent that provides access to multiple connection types conditionally. For example, you connect to the Junos Pulse Access Control Service if you are connected to the intranet, but you connect to the Junos Pulse Secure Access Service if you are on a remote network. Which agent should you use for this type of connection requirement?（）

• A、Junos Pulse should be configured with location awareness rules configured.
• B、Odyssey Access Client should be installed with Host Checker configured to check the client's location.
• C、Junos Pulse should be configured with all components installed.
• D、Agentless access should be enabled so that clients can connect to any service without concern for installing an agent.

第14题：

Your company has a main office and a branch office. The network contains an Active Directory forest. All users on the network access the Internet from their computers. The company hires a temporary employee who has his own portable computer. The employee connects his portable computer to the network. When the employee attempts to join the computer to the domain, the connection fails. A help desk technician reports the following about the employee. He has a domain user account.His computer can access Internet Web sites.His computer can contact domain controllers by using the domain controllers IP addresses. You need to ensure that the employees computer can join the domain. The solution must ensure that the computer can access resources on the Internet. What should you do?（）

• A、Modify the time zone for the computer.
• B、Modify the IPv4 settings on the computer.
• C、Create an A record for the computer in an internal DNS zone.
• D、Request that an administrator create a prestaged computer account in the domain.

第15题：

You are a network administrator for your company. The company has a main office and a branch office. The branch office has a cable modem connection to the Internet and uses a virtual private network (VPN) connection to access resources on the main office network. The cable modem is connected to a Windows XP Professional computer named Pro1. You configure Internet Connection Sharing (ICS) on Pro1 to allow users in the branch office to use the VPN connection. ICS sets the network adapter to use the IP address 192.168.0.1. Several sales representatives in the branch office use wireless network adapters to share files between their client computers. They need access to the VPN connection to upload sales reports to the main office. You install a wireless network adapter in Pro1 and configure it with the appropriate settings for the wireless LAN. The sales representatives who use the wireless LAN report that they cannot access the VPN connection. However, they are able to connect to resources in the branch office. Users on the wired network do not report any connectivity problems. The sales representatives need to be able to access the VPN. What should you do?（） 

• A、Configure the wireless network connection on Pro1 so that it has an IP address of 192. 168. 0. 2.
• B、Disable and then re-enable Internet Connection Sharing (ICS) on Pro1.
• C、Create a network bridge between the wired and wireless connections on Pro1.  
• D、Clear the Allow other network users to control or disable the shared Internet connection check box in the advanced properties of the VPN connection.

第16题：

You are the network administrator for Company.You need to connect to Company’s network from your Windows 2000 Professional computer at home.You have a DSL line that is used for Internet connectivity. You create an L2TP virtual private network（VPN） connection and are able to connect successfully to Company’s network. While connected toCompany’s network， you are unable to access the Internet.You want to be able to access the Internet while connected to Company’s network.How should you configure the connection properties？（）

• A、Configure the DSL connection to use PPTP instead of L2TP. 
• B、Enable Internet Connection Sharing for the DSL connection properties. 
• C、CLEAR THE Use default gateway on remote network check box. 
• D、Clear the Require data encryption check box. 

第17题：

You work in a company which uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance on the same physical computer. Now users report that they are unable to connect to the named instances. You check and verify that they can only connect to the default instance. You also ensure that all SQL Server instances run normally. You have to start the service which is required to connect to the named instances.  Which service should you start?（）  

• A、Server 
• B、SQL Server Agent 
• C、SQL Server Browser 
• D、SQL Active Directory Helper

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