Which of the following network devices should be installed at a data center to intelligently distribute client connections to a pool of servers?() A. A proxy serverB. A load balancerC. A layer two switchD. A multilayer switch
Which of the following network devices should be installed at a data center to intelligently distribute client connections to a pool of servers?()
A. A proxy server
B. A load balancer
C. A layer two switch
D. A multilayer switch
相关考题：
You’re going to have a quiz ( )by another two in the ( )month. A. followed,followedB. followed,followingC. following,followedD. following,following
Your network contains a file server that runs Windows Server 2008 R2. The server has File Server Resource Manager (FSRM) installed.A file screen is created for a folder named Data. Data is located on the C drive. The file screen is configured to block files contained in the Audio and Video file group.You need to allow users in the sales department to upload video files to C:\Data\Sales.What should you do?（）A. Create a file screen exception.B. Modify the Audio and Video file group.C. Implement an active file screen on C:\Data\Sales.D. Implement a passive file screen on C:\Data\Sales.
本题程序中实现了一个“生产者一消费者问题”。生产者产生一个随机数存入DataPool类中，消费者从中取出数据。DataPool类一次只能存放一个数据。请更正题中带下划线的部分。注意：不改变程序的结构，不得增行或删行。class DataPool{private int data;private boolean isFull;public DataPool(){isFull=false;}public synchronized void putData(int d){if(isFull= =true){try{this.notify();}catch(InterruptedException e){}}data=d;isFull=true;System.out.println("生产了一个数据:"+data);this.notify();}public synchronized int getData(){if(isFull= =false){try{this.wait();}catch(InterruptedException e){}}isFull=false;System.out.println("消费了一个数据"+data);this.wait();return this.data;}boolean getIsFull(){return isFull;}}class Producer extends Thread{DataPool pool;public Producer(DataPool pool){this.pool=pool;}public void run(){for(int i=0; i＜10; i++){int data=(int) (Math.random()*1000);try{//用于生产数据sleep(data);}catch(InterruptedException e){}pool.putData(data);}}}class Consumer implements Runnable{DataPool pool;public Consumer(DataPool pool){this.pool=pool;}public void run(){for(int i=0; i＜10; i++){int data=pool.getData();try{//用于处理数据sleep((int) (Math.random()*1000));}catch(InterruptedException e){}}}}public class advance}public static void main(String[] args){Data Pool pool=new Data Pool();Producer pro=new Producer(pool);Runnable con=new Consumer(pool);Thread conTh=new Thread(con);&n
Youdeployamobilemessaginginfrastructurewithfront-endandback-endMicrosoftExchangeServer2003servers.BothservershaveServicePack2installed.CompanysecuritypolicyrequiresthatallinformationfromtheExchangeServer2003serversmustbeencrypted.Youneedtoauditthemobilemessaginginfrastructuretoverifythatitcomplieswithcompanysecuritypolicy.Whatshouldyoudo?（）A.AB.BC.CD.D
YouenabledCDPontwoCiscoRouterswhichareconnectedtoeachother.TheLineandProtocolstatusfortheinterfacesonbothroutersshowasUPbuttheroutersdonotseeeachotheraCDPneighbors.WhichlayeroftheOSImodeldoestheproblemmostlikelyexist？（）A.PhysicalB.SessionC.ApplicationD.Data-LinkE.Network
管理员在交换机设置某条指令的时候，出现下述错误，Error:The network section should be within the subnet of the pool.则最可能执行的指令是（ ）A.[Huawei-ip-pool-x]network 192.168.1.1 mask 24 [Huawei-ip-pool-x]gateway-list 192.168.2.2B.[Huawei-ip-pool-x]network 192.168.1.1 mask 24 [Huawei-ip-pool-x]dns-list 192.168.2.2C.[Huawei-ip-pool-x]network 192.168.1.1 mask 24 [Huawei-ip-pool-x]lease day 1000D.[Huawei-ip-pool-x]network 192.168.1.1 mask 24 [Huawei-ip-pool-x]next-server 192.168.2.2
管理员在Router上进行了如下配置，完成之后，在该路由器的G1/0/0接口下连接了一台交换机，则关于此主机的IP地址描述正确的是（ ）。[Router]ip pool pool1[Router-ip-pool-pool1]network 10.10.10.0 mask 255.255.255.0[Router-ip-pool-pool1]gateway-list 10.10.10.1[Router-ip-pool-pool1]quit[Router]ip pool pool2[Router-ip-pool-pool2]network 10.20.20.0 mask 255.255.255.0[Router-ip-pool-pool2]gateway-list 10.20.20.1[Router-ip-pool-pool2]quit[Router]interface GigabitEthernet 1/0/0[Router-GigabitEthernet 1/0/0]ip address 10.10.10.1.24[Router-GigabitEthernet 1/0/0]dhcp select globalA.获取的IP地址属于10.10.10.0/24网络B.获取的IP地址属于10.20.20.0/24网络C.主机获取不到IP地址D.获取的IP地址可能属于10.10.10.0/24网络，也可能属于10.20.20.0/24网络
使用哪组命令可将路由器配置为 DHCP 路由器，从而将 IPv4 地址分配给 192.168.100.0/23 LAN，同时为静态分配保留前 10 个和最后一个地址？A.ip dhcp excluded-address 192.168.100.1 192.168.100.10 ip dhcp excluded-address 192.168.100.254 ip dhcp pool LAN-POOL-100 network 192.168.100.0 255.255.255.0 ip default-gateway 192.168.100.1#B.ip dhcp excluded-address 192.168.100.1 192.168.100.10 ip dhcp excluded-address 192.168.101.254 ip dhcp pool LAN-POOL-100 network 192.168.100.0 255.255.254.0 default-router 192.168.100.1#C.dhcp pool LAN-POOL-100 ip dhcp excluded-address 192.
使用哪组命令可将路由器配置为 DHCP 路由器，从而将 IPv4 地址分配给 192.168.100.0/23 LAN，同时为静态分配保留前 10 个和最后一个地址？A.dhcp pool LAN-POOL-100 ipdhcp excluded-address 192.168.100.1 192.168.100.9 ipdhcp excluded-address 192.168.100.254 network 192.168.100.0 255.255.254.0 default-router 192.168.101.1#B.ipdhcp excluded-address 192.168.100.1 192.168.100.10 ipdhcp excluded-address 192.168.100.254 ipdhcp pool LAN-POOL-100 network 192.168.100.0 255.255.254.0 default-router 192.168.100.1#C.ipdhcp excluded-address 192.168.100.1 192.168.100.10 ipdhcp exclu