单选题A DNS server for a large network is experiencing performance problems.  Which of the following options is the best solution to fix the problem？（）A Enable NISB Purchase a larger serverC Use /etc/hosts on all of the systemsD Create secondary name servers

第1题：

A server has been assigned the 192.168.100.127/25 IP address. The server is experiencing strange network connectivity related problems.  Which of the following would BEST describe the problem？（）

• A、 IP address is classful.
• B、 IP address is a subnet broadcast address.
• C、 IP address is a subnet network address.
• D、 IP address is classless.

第2题：

Which of the following options best justifies why a DNS server should be run in a large network system？（）

• A、To use ftp and telnet
• B、To perform NFS mounts
• C、To make /etc/hosts files unnecessary
• D、To reduce network traffic and save bandwidth

第3题：

Which of the following chassis types makes the BEST use of space for performance？（）

• A、Bare metal server
• B、Tower server
• C、Rack mounted server
• D、Blade server

第4题：

You are a Windows Server 2008 systems administrator responsible for providing access to a large volumeof video files to registered users of your organization？？s public Web site. All the video files are located within the D:///Public/Videos folder. Content producers often create and modify these videos. Recently， usershave complained that they are experiencing poor performance when accessing videos during busy times.During these images， the Windows Media Services server that hosts the content is experiencing high CPUand network bandwidth use. You want to minimize the administrative time and effort required to increaseperformance. Which of the following actions should you take to resolve the problem？（）

• A、Copy the training videos to another folder on the Windows Media Services server.
• B、Install the Streaming Media Services server role on additional servers， and configure them as cachingservers.
• C、Install the Streaming Media Services server role on additional servers， and configure them as proxyservers.
• D、Enable the Limit Outgoing Distribution Connections option in the properties of the publishing point.

第5题：

You are designing the DNS name resolution strategy for the internal network.  What should you do？ （）

• A、 Configure all internal DNS servers to use the default root hints.
• B、 Disable recursion on the DNS server in Seattle. Configure the Seattle DNS to use Dallas DNS server as a forwarder.
• C、 Create a root zone on the DNS server in Dallas. Configure the Seattle DNS server to use the Dallas DNS server as a forwarder.
• D、 Create a root zone on the DNS server in both Dallas and Seattle.

第6题：

Which of the following procedures best explains how to enable the NIS name resolution to take precedence over DNS on a system-wide basis?（）

• A、 Add the following line to /etc/netsvc.conf: hosts = nis,bind,local 
• B、 edit /etc/netsvc.conf to add the following: process /full/path/of/process /{ hosts = local,nis,dns} 
• C、 In an NIS and DNS environment, NIS takes precedence over DNS in this environment resulting in no change 
• D、 Change the NSORDER environment variable 

第7题：

A DNS server for a large network is experiencing performance problems.  Which of the following options is the best solution to fix the problem？（）

• A、Enable NIS
• B、Purchase a larger server
• C、Use /etc/hosts on all of the systems
• D、Create secondary name servers throughout the network

第8题：

A server has been assigned the 192.168.100.127/25 IP address. The server is experiencing strange network connectivity related problems. Which of the following would BEST describe the problem?（）

• A、IP address is classful.
• B、IP address is a subnet broadcast address.
• C、IP address is a subnet network address.
• D、IP address is classless

第9题：

You are the network administrator for The network consists of a single Active Directory domain named All network servers run Windows Server 2003. Your network includes domain controllers, file and print servers, and application servers. The application servers run a variety of programs, including Microsoft SQL Server 2000 and Microsoft Exchange Server 2003. Your staff are responsible for monitoring current system performance on all servers. You need to enable your staff to use System Monitor to gather performance data for each unique server type. The data will be used for trend analysis and forecasting. Which two actions should you perform? （）(Each correct answer presents part of the solution. Choose two)

• A、For each server, add the most common performance counters and save them as an HTML file.
• B、For each server, add the most common performance counters and save them as a counter report file.
• C、Create trace logs based on the file and schedule and trace logs to gather data.
• D、Create alerts on the file and schedule the alerts to gather data.
• E、Create counter logs based on the file and schedule the counter logs to gather data.

第10题：

Your network contains an Active Directory domain named contoso.com. The domain contains two sites named Site1 and Site2. The servers for the sites are configured as shown in the following table.Server name Server role Site name Server1 Domain controller, DNS Site1 Server2 DNS Site2 Server1 hosts a standard primary zone for contoso.com. Server2 hosts a secondary zone for contoso.com.You need to ensure that all DNS replication traffic between Server1 and Server2 is encrypted.What should you do？（）

• A、On Server1, configure DNSSEC for the contoso.com zone.
• B、On Server1, convert the contoso.com zone to an Active Directory-integrated zone.
• C、On each server, create connection security rules.
• D、On each server, enable Encrypting File System (EFS) encryption for the contoso.com.dns file.