A SONET network typically uses which of the following transmission media?()A. Single-mode fiberB. Multimode fiberC. CopperD. Wireless

题目
A SONET network typically uses which of the following transmission media?()

A. Single-mode fiber

B. Multimode fiber

C. Copper

D. Wireless


相似考题
参考答案和解析
参考答案:A
更多“A SONET network typically uses which of the following transmission media?() ”相关问题
  • 第1题:

    A management domain typically contains a large amount of management information. Each individual item of() information is an instance of a managed object type. The definition of a related set of managed (72)types is contained in a Management Information Base (MIB)module. Many such MIB modules are defined. For each managed object type it describes, a MIB (73) defines not only the semantics and syntax of that managed object type, but also the method of identifying an individual instance so that multiple (74) of the same managed object type can be distinguished. Typically, there are many instances of each managed object (75) within a management domain

    A.rotation
    B.switch
    C.management
    D.transmission

    答案:C
    解析:

  • 第2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3题:

    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"/>


  • 第4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5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;

  • 第6题:

    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