网友您好, 请在下方输入框内输入要搜索的题目:

题目内容 (请给出正确答案)

is a protocol that a host uses to inform. a router when it joins or leaves an Internet multicast group。

A.SMTP

B.ICMP

C.MIME

D.IGMP


参考答案

更多 “ is a protocol that a host uses to inform. a router when it joins or leaves an Internet multicast group。A.SMTPB.ICMPC.MIMED.IGMP ” 相关考题
考题 【问题1】(8分)请填写host1的Internet协议属性参数。IP地址: (1) ;子网掩码: (2) ;默认网关: (3) ;其中,host1 默认网关为图中接口 (4) 处的 IP地址。

考题 【问题4】(2分)根据图1-5,在主机host3上对网络1进行了连通性测试时所经过的路径是(9)。(9)备选答案:A.host3→Router3→Router2→网络1B.host3→Router3→Router1→Router2→网络1

考题 【问题5】(2分)根据测试结果,host 101不能ping通host1的原因是(10)。(10)备选答案:A.网络1上host1网卡故障B.路由器Router2的F0/0接口上对网络3访问网络1进行了过滤C.路由器Router1的S0接口上对网络3访问网络1进行了过滤D.路由器Router2的S0接口上对网络3访问网络1进行了过滤

考题 在播放视屏时,需要保持屏幕一直亮着,需要哪个权限?() A.uses-permission android:name="android.permission.INTERNET"/B.uses-permission android:name="android.permission.WAKE_LOCK"/C.uses-permission android:name="android.permission.SCREEN_LOCK"/D.uses-permission android:name="android.permission.DIM_LOCK"/

考题 Yourdatabaseisnotconfiguredforsessionfailover.Yourtnsnames.orafilecontainsthefollowingdetails:test.us.oracle.com=(DESCRIPTION=(ADDRESS_LIST=(LOAD_BALANCE=off)(FAILOVER=ON)(ADDRESS=(PROTOCOL=tcp)(HOST=test1-server)(PORT=1521))(ADDRESS=(PROTOCOL=tcp)(HOST=test2-server)(PORT=1521)))(CONNECT_DATA=(SERVICE_NAME=test.us.oracle.com)))Whichfeatureisenabledinthiscase?()A.LoadbalancingB.InstancefailoverC.DatabasefailoverD.Connect-timefailoverE.TransparentApplicationFailover(TAF)

考题 Yourtnsnames.orafilehasthefollowingentryfortheservicealiasORCL:ORCL=(DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=10.156.24.216)(PORT=1521))(CONNECT_DATA=(SERVER=DEDICATED)(SERVICE_NAME=orcl.oracle.com)))TheTNSPINGcommandexecutessuccessfullywhentestedwithORCLbutyouarenotabletoconnecttothedatabaseinstancewiththefollowingcommand:SQLCONNECTscott/tiger@orclWhatcouldbethereasonforthis?()A.Thelistenerisnotrunningattheserver.B.TheTNS_ADMINenvironmentalvariableissettoawrongvalue.C.Theorcl.oracle.comdatabaseserviceisnotregisteredwiththelistener.D.TheDEFAULT_DOMAINparameterissettoawrongvalueintheSQLNET.ORAfile.

考题 如下是某个tnsnames.ora里面的配置, 其中service_name的值与 listener.ora文件中哪个参数的值相对应? db.example.com= (description= (load_balance=on) (address=(protocol=tcp)(host=node1-vip)(port=1521) (address=(protocol=tcp)(host=node2-vip)(port=1521) (connect_data= (service_name=db.example.com)))()A. SID_NAMEB. INSTANCE_NAMEC. GLOBAL_NAMESD. GLOBAL_DBNAME

考题 阅读以下说明,回答问题1至问题4。【说明】某办公室只有一台主机host1接入Internet,其TCP/IP协议属性如图1-1所示。在没有增加公网IP地址的情况下,增加几台主机共享网络连接接入Internet,拓扑结构如图1-2所示,host1 eth0网卡的Internet协议属性如图1-3所示。为了保证其他主机能接入Internet,在如图1-4所示的host1 eth1网卡“Internet连接共享”应如何选择?

考题 以下属于调用摄像头硬件的权限的是:()A.<uses-permission android:name="android.permission.CAMERA"/>B.<uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS" />C.<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>D.<uses-permission android:name="android.permission.INTERNET"/>

考题 下面哪个是添加网络权限的代码A.<uses-permission android:name="android.permission.INTERNET"/>B.<uses-permission android:name="android.permission.ACCEPT_HANDOVER"/>C.<uses-permission android:name="android.permission.ACCESS_CHECKIN_PROPERTIES"/>D.<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>