Sometimes it()over half the total time spent on a research problem.?A.takes upB.takes offC.takes on

题目
Sometimes it()over half the total time spent on a research problem.?

A.takes up

B.takes off

C.takes on

相似考题

1.16．A． tookB． putC． paidD． spent

2.The Ezonexam LAN is upgrading all devices to operate in full duplex. Which statement is true about full-duplex Ethernet in comparison to half-duplex Ethernet?A．Full-duplex Ethernet uses two wires to send and receive. Half-duplex Ethernet uses one wire to send and receiveB．Full-duplex Ethernet consists of a shared cable segment. Half-duplex Ethernet provides a point-to-point linkC．Full-duplex Ethernet can provide higher throughout than can half-duplex Ethernet of the same bandwidthD．Full-duplex Ethernet uses a loopback circuit to detect collisions. Half-duplex ethernet uses a jam signalE．None of the above

3.When you compare the differences between half-duplex and full-duplex Ethernet, which of the following characteristics are exclusive to half-duplex? (Select two answer choices)A．Half-duplex Ethernet operates in a shared collision domain.B．Half-duplex Ethernet operates in an exclusive broadcast domain.C．Half-duplex Ethernet has efficient throughput.D．Half-duplex Ethernet has lower effective throughput.E．Half-duplex Ethernet operates in an exclusive collision domain.

4.You want to upgrade the Ezonexam LAN so that all ports operate in full duplex mode. Which statement is true about full-duplex Ethernet when comparing to half-duplex Ethernet?A．Full-duplex Ethernet consists of a shared cable segment. Half-duplex provides a point-to-point linkB．Full-duplex Ethernet uses two wires to send and receive. Half-duplex Ethernet uses one wire to send and receiveC．Full-duplex Ethernet can provide higher throughput than can half-duplex Ethernet of the same bandwidthD．Full-duplex Ethernet uses a loopback circuit to detect collisions. Half-duplex Ethernet uses a jam signalE．None of the above

更多“Sometimes it()over half the total time spent on a research problem.? ”相关问题

  • 第1题：

    46_______.

    A.paid

    B.took

    C.cost

    D.spent


    正确答案：D

  • 第2题：

    What are the differences between full－duplex Ethernet and half－duplex Ethernet?()

    A. Half-duplex Ethernet operates in a shared collision domain.

    B. Full-duplex Ethernet has a lower effective throughput.

    C. Half-duplex Ethernet operates in a private collision domain.

    D. Full-duplex Ethernet allows two-way communication.

    E. Half-duplex Ethernet operates in a private broadcast domain.


    参考答案：A, D

  • 第3题：

    The students are looking forward to_______their holidays in Japan.

    A.spend
    B.spending
    C.for spend
    D.spent

    答案：B
    解析：

  • 第4题：

    A BGP router is configured with bgp dampening 8 300 1500 20 route－map 1 .What does the value of 20 represent?()

    A. reuse

    B. suppress

    C. half-life

    D. max-suppress-time


    参考答案：D

  • 第5题：

    13．

    A．played

    B．took

    C．wanted

    D．spent


    正确答案：D
    13．D【解析】表示“度假”要用动词spend。  

  • 第6题：

    若要实现total=1+2+3+4+5求和,以下程序段错误的是（）

    A．int i=1,total=1; while(i＜5) { total+=i; i+=1; }

    B．int i=1,total=0; while(i＜=5) { total+=i; i+=1; }

    C．int i=0,total=0; while(i＜5) { i+=1; total+=i; }

    D．int i=0,total=0; while(i＜=5) { total+=i; i+=1; }


    A

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