Regarding DHCP (dynamic host configuration protocol), which two of the following choices below are true? (Select two answer choices)A. The DHCP Discover message uses FF-FF-FF-FF-FF as the Layer 2 destination address.B. The DHCP Discover message uses UDP a

题目

Regarding DHCP (dynamic host configuration protocol), which two of the following choices below are true? (Select two answer choices)

A. The DHCP Discover message uses FF-FF-FF-FF-FF as the Layer 2 destination address.

B. The DHCP Discover message uses UDP as the transport layer protocol.

C. The DHCP Discover message uses a special Layer 2 multicast address as the destination address.

D. The DHCP Discover message uses TCP as the transport layer protocol.

E. The DHCP Discover message does not use a Layer 2 destination address.

F. The DHCP Discover message does not require a transport layer protocol.

相似考题

1.[A] Like[B] Except[C] Regarding[D] With

2.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）

3.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.

4.You’re going to have a quiz ( )by another two in the ( )month.A. followed,followedB. followed,followingC. following,followedD. following,following

更多“Regarding DHCP (dynamic host configuration protocol), which two of the following choices b ”相关问题

  • 第1题：

    下列哪个语句用来说明DHCP服务器要分配的IP地址范围()。

    A.Subnet语句

    B.host语句

    C.range语句

    D.pool语句


    正确答案：C

  • 第2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3题：

    Import for the first three months this year is larger than that for the__________period last year.


    A.relating

    B.concerning

    C.corresponding

    D.regarding

    答案：C
    解析：
    考查词义辨析。句意为“今年前三个月的进口量比上一年同期多”。relating to“相关的”，concerning“关于”，corresponding“相当的，对应的”，regarding“关于；就……而论”。根据句意可知是今年前三个月和去年相对应的前三个月做对比．故选C。

  • 第4题：

    DHCP服务器中，下列哪个语句用于为特定的DHCP客户端提供IP网络参数()。

    A.Subnet语句

    B.host语句

    C.range语句

    D.pool语句


    正确答案：C

  • 第5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6题：

    DHCP服务将主机的MAC地址和IP地址绑定在一起的方法是在（ ）文件中添加“host主机名{hardware Ethernetxx xx.xx.xx.xx.xx fixed-address 192.168.0.9}”配置项；

    A./etc/dhcpd.conf
    B./etc/dhcp.conf
    C./networks/dhcpd.conf
    D./networks/dhcp.conf

    答案：A
    解析：
    /etc/dhcpd.conf是dhcpd最关键的配置文件。通过设置/etc/dhcpd.conf文件，可以设置租用时间限制、子网相关信息以及域名等，将主机的MAC地址和IP地址绑定在一起。

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