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● (66) is a protocol that a host uses to inform. a router when it joins or leaves anInternet multicast group.(67) is an error detection code that most data conlmunication networks use.(68) is an interior gateway protocol that uses a distance vector algori

题目

● (66) is a protocol that a host uses to inform. a router when it joins or leaves anInternet multicast group.

(67) is an error detection code that most data conlmunication networks use.

(68) is an interior gateway protocol that uses a distance vector algorithm to propagaterouting information.

(69) is a transfer mode in which all types of information are organized into fixed form. cells on all asynchronous or nonperiodic basis over a range of mediA．

(70) is an identifier of a web page.

(66) A．ICMP

B．SMTP

C．IGMP

D．ARP

(67) A．4B／5B

B．CRC

C．Manchester Code

D．Huffman Code

(68) A．OSPF

B．RIP

C．RARP

D．BGP

(69) A．ISDN

B．x.25

C．Frame. Relay

D．ATM

(70) A．HTTP

B．URL

C．HTML

D．TAG

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更多“● (66) is a protocol that a host uses to inform. a router when it joins or leaves anIntern ”相关问题

  • 第1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：SQL>CONNECTscott/tiger@orclWhatcouldbethereasonforthis？（）

    A.Thelistenerisnotrunningattheserver.

    B.TheTNS_ADMINenvironmentalvariableissettoawrongvalue.

    C.Theorcl.oracle.comdatabaseserviceisnotregisteredwiththelistener.

    D.TheDEFAULT_DOMAINparameterissettoawrongvalueintheSQLNET.ORAfile.


    参考答案：C

  • 第2题：

    YouhavejustrunthissyntaxtostartthelistenerfromtheListenerControlutility：LSNRCTL>STARTStarting/mstgelai/oracle/bin/tnslsnr：pleasewait…Systemparameterfileis/u01/oracle/network/admin/listener.oraLogmessageswrittento/u01/oracle/network/log/listener.logListeningon：（DESCRIPTION=（ADDRESS=（PROTOCOL=tcp）（HOST=stc-sun01-server）（PORT=1521）））Connectingto…ThecommandcompletedsuccessfullyWhatisthenameoftheListeneryoustarted？（）

    A.TNSLSNR

    B.LISTENER

    C.LOCAL_LISTENER

    D.DEFAULT_LSRN


    参考答案：C

  • 第3题：

    3、注册一个短信到来的广播事件需要在清单文件配置什么权限（）

    A．＜uses-permission android:name="android.permission.SMS"/＞

    B．＜uses-permission android:name="android.permission.SEND_SMS"/＞

    C．＜uses-permission android:name="android.permission.RECEIVE_SMS"/＞

    D．＜uses-permission android:name="android.permission.RECEIVE_SEND_SMS"/＞


    错误

  • 第4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_NAME

    B. INSTANCE_NAME

    C. GLOBAL_NAMES

    D. GLOBAL_DBNAME


    参考答案D

  • 第5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"/＞


    A

  • 第6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"/＞


    INTERNET;android.permission.INTERNET;

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