An administrator receives reports from users in an office that their 802.11g wireless connectivityhas been problematic since the installation of the new wireless phone system.At which of the following frequencies are both systems operating at to cause thi

题目

An administrator receives reports from users in an office that their 802.11g wireless connectivityhas been problematic since the installation of the new wireless phone system.At which of the following frequencies are both systems operating at to cause this issue?()

A.2.4GHz

B.900MHz

C.1.1GHz

D.5GHz


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  • 第1题:

    8.

    A. prints

    B. borrows

    C. sells

    D. receives


    正确答案:D
    8.D【解析】根据此空前两句,故事被打印这本书是关于我的,可知是收到了这种书的孩子,故此处用recaves。

  • 第2题:

    使用snmptuil.exe 可以查看代理的 MiB对象,下列文本框内oid部分是( ).C:\ Users\Administrator> snmptuil get 192.168.1.31 public.1.3.6.1.2.1.1.3.0Variable=system.sysUpTime.0Value=TimeTicks 1268830

    A.192.168.1.31
    B.1.3.6.1.2.1.1.3.0
    C.system.sysUpTime.0
    D.TimeTicks 1268803

    答案:B
    解析:
    C:\>snmputil get 192.168.1.31 public .1.3.6.1.2.1.1.3.0public .1.3.6.1.2.1.1.3.0是指的系统开机时间多长。OID(对象标识符),是SNMP代理提供的具有唯一标识的键值。MIB(管理信息基)提供数字化OID到可读文本的映射。所有完全验证OID都有 .iso.org.dod.internet.private 开始,数字表达为: .1.3.6.4. 。几乎所有的OID都会跟上企业(.1)和由IANA(互联网编号分配中心分配的)唯一的厂商标号。 OID的相对格式,从企业值开始,略过所有的隐含地址。因此,可以用相对地址 enterprises.netapp.netappl.raid.diskSUmmary.diskSpaceCount.0 来表示上述的OID,或者用数字格式 .1.789.6.4.8.0 .某些唯一键值,可用多个实例表示,这样所有的OID都以实例值结尾。因此可以看到大多数OID都是以一个 .0 结尾的。

  • 第3题:

    生成层次原理图中各原理子图元件报表,应执行的命令为()

    A.reports/report project hierarchyreports

    B.reports/bill of materials

    C.reports/component cross reference

    D.design/make project library


    reports/component cross reference

  • 第4题:

    I sent him the package yesterday.He__it by now.

    A.might have received
    B.received
    C.will receive
    D.receives

    答案:A
    解析:

  • 第5题:

    1、对于注册表的访问许可是将访问权限赋予计算机系统的用户组,如Administrator、Users、Creator/Owner组等。


    正确

  • 第6题:

    5、要在命令行下使用adb shell命令,应将()目录添加到系统Path环境变量中?

    A.C:\Users\Administrator\AppData\Local\Android\Sdk\bin

    B.C:\Users\Administrator\AppData\Local\Android\Sdk\platforms

    C.\Users\Administrator\AppData\Local\Android\Sdk\build-tools

    D.C:\Users\Administrator\AppData\Local\Android\Sdk\platform-tools


    bash