Which two statements are true regarding L2TP? ()(Choose two.)A. Tunnels are initiated by the LACB. Tunnels are initiated by the LNSC. By default, subscriber authentication occurs on the LNSD. By default, subscriber authentication occurs on the LAC

题目
Which two statements are true regarding L2TP? ()(Choose two.)

A. Tunnels are initiated by the LAC

B. Tunnels are initiated by the LNS

C. By default, subscriber authentication occurs on the LNS

D. By default, subscriber authentication occurs on the LAC


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  • 第1题:

    下列复选框构造方法,错误的是 ( )

    A.setLayout(new GridLayout(3,1));

    B.add(new Checkbox("one",null,true));

    C.add(new Checkbox("two"));

    D.add(new Checkbox("one",true));


    正确答案:D
    解析:该题考查复选框的构造方法。构造方法的一般格式为:public Checkbox (String label,CheckboxGrou Pgroup,boolean state)。选项A、B、C都是正确的,而选项D是错误的,它的第二个参数应该是CheckboxGrou Pgroup,所以选项D是错误的。

  • 第2题:

    以下程序段的输出结果为( )。 int j=2 switch (j){ Case 2: system.out.print("two."): Case 2+1: System.out.println("three."); break: default: System.out.println (“value is”+j): Break }A.B.two

    A.two.three.

    B.two

    C.three

    D.value is 2


    正确答案:A

  • 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:

    下列复选框构造方法,错误的是()。

    A.setLayout(newGridLayout(3,1));

    B.add(newCheckbox("one",null,true));

    C.add(newCheckbox("tWO");

    D.add(newCheckbox("one",true);


    正确答案:D

  • 第5题:

    WhichofthefollowingareassociatedwiththeapplicationlayeroftheOSImodel?(two.)()

    A.ping

    B.Telnet

    C.FTP

    D.TCP

    E.IP


    参考答案:B, C

  • 第6题:

    下面能正确表示L2TP数据包封装格式的?

    A.IP |UDP |L2TP | PPP

    B.IP |TCP |L2TP | PPP

    C.IP |L2TP |TCP | PPP

    D.IP |L2TP |UDP | PPP


    IP |UDP |L2TP | PPP;