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全部科目 > 软件认证工程师考试 > 思科认证考试 > CCNA系列认证 > CCNA(640-801)

多项选择题

A network administrator issues the ping 192.168.2.5 command and successfully tests connectivity to a host that has been newly connected to the network. Which protocols were used during the test?()

    A. ARP
    B. CDP
    C. DHCP
    D. DNS
    E. ICMP

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