单选题What happens when you issue the ping 172.19.102.2 count 5 command?（）A ICMP echo requests are sent to 172.19.102.2 in five-millisecond intervals.B ICMP echo requests are sent to 172.19.102.2 until five packets are dropped.C ICMP echo requests are sent t

题目
单选题
What happens when you issue the ping 172.19.102.2 count 5 command?（）
A

ICMP echo requests are sent to 172.19.102.2 in five-millisecond intervals.

B

ICMP echo requests are sent to 172.19.102.2 until five packets are dropped.

C

ICMP echo requests are sent to 172.19.102.2 five times.

D

ICMP echo requests are sent continuously to 172.19.102.2 for five seconds.

相似考题

1.默认情况下,ICMP列表中()A.不允许任何ICMP消息B.允许所有ICMP消息C.只允许传入的echo请求D.不允许传入的echo请求

2.What happens when you issue the ping 172.19.102.2 count 5 command?()A. ICMP echo requests are sent to 172.19.102.2 in five-millisecond intervals.B. ICMP echo requests are sent to 172.19.102.2 until five packets are dropped.C. ICMP echo requests are sent to 172.19.102.2 five times.D. ICMP echo requests are sent continuously to 172.19.102.2 for five seconds.

3.Which two statements regarding traceroute on JUNOS devices are correct?()A.Traceroute transmits ICMP echo-request packets.B.Traceroute transmits UDP packets.C.Traceroute receives ICMP echo-reply packets.D.Traceroute receives ICMP port-unreachable packets.

4.When you use the ping command to send ICMP messages across a network, what's the most common request/reply pair you'll see? (Select one answer choice)A．Echo request and Echo replyB．ICMP hold and ICMP sendC．ICMP request and ICMP replyD．Echo off and Echo onE．None of the above

更多“单选题What happens when you issue the ping 172.19.102.2 count 5 command?（）A ICMP echo requests are sent to 172.19.102.2 in five-millisecond intervals.B ICMP echo requests are sent to 172.19.102.2 until five packets are dropped.C ICMP echo requests are sent t”相关问题

  • 第1题：

    When you issue the logging trap informational command, what happens? ()

    A. An information trap is sent to the SNMP server.

    B. Informational and debug messages are logged to the syslog server.

    C. All messages are sent to the logging host, where selections are made.

    D. All messages from emergencies to informational are sent to the logging host.


    参考答案：D

  • 第2题：

    WhichconfigurationwouldmakeanIPSLAprobeuseaprecedencevalueof3?()

    A.ipsla1icmp-echo1.1.1.1 tos12

    B.ipsla1icmp-echo1.1.1.1 tos96

    C.ipsla1icmp-echo1.1.1.1 precedence3

    D.ipsla1icmp-echo1.1.1.1 dscp12


    参考答案：B

  • 第3题：

    What command verifies connectivity between two hosts by sending and receiving ICMP echo messages?（）

    • A、ping
    • B、tracert
    • C、netstat
    • D、show cdp neighbors detail
    • E、show ip route
    • F、traceroute

    正确答案:A

  • 第4题：

    Which configuration would make an IP SLA probe use a precedence value of 3？（）

    • A、ip sla 1  icmp-echo 1.1.1.1 tos 12
    • B、ip sla 1  icmp-echo 1.1.1.1 tos 96
    • C、ip sla 1  icmp-echo 1.1.1.1 precedence 3
    • D、ip sla 1  icmp-echo 1.1.1.1 dscp 12

    正确答案:B

  • 第5题：

    PING命令使用ICMP的（）code类型。

    • A、Direct
    • B、Echo reply
    • C、Destination Unreachable
    • D、以上答案都不正确

    正确答案:B

  • 第6题：

    PING命令使用了哪种ICMP？正确的选项是（）

    • A、Redirect
    • B、Source quench
    • C、Echo reply Destination unreachable

    正确答案:C

  • 第7题：

    When you issue the logging trap informational command, what happens? （）

    • A、An information trap is sent to the SNMP server.
    • B、Informational and debug messages are logged to the syslog server.
    • C、All messages are sent to the logging host, where selections are made.
    • D、All messages from emergencies to informational are sent to the logging host.

    正确答案:D

  • 第8题：

    PING命令使用了哪种ICMP（）。

    • A、Redirect
    • B、Source quench
    • C、Echo reply
    • D、Destination unreachable

    正确答案:C

  • 第9题：

    防止系统对ping请求做出回应，正确的命令是：（）。

    • A、echo0>/proc/sys/net/ipv4/icmp_ehco_ignore_all
    • B、echo0>/proc/sys/net/ipv4/tcp_syncookies
    • C、echo1>/proc/sys/net/ipv4/icmp_echo_ignore_all
    • D、echo1>/proc/sys/net/ipv4/tcp_syncookies

    正确答案:C

  • 第10题：

    单选题
    Which configuration would make an IP SLA probe use a precedence value of 5？（）
    A

    ip sla 1 icmp-echo 1.1.1.1 tos 160

    B

    ip sla 1 icmp-echo 1.1.1.1 tos 20

    C

    ip sla 1 icmp-echo 1.1.1.1 precedence 5

    D

    ip sla 1 icmp-echo 1.1.1.1 dscp 20


    正确答案： A
    解析： 暂无解析

  • 第11题：

    单选题
    What happens when you issue the ping 172.19.102.2 count 5 command?（）
    A

    ICMP echo requests are sent to 172.19.102.2 in five-millisecond intervals.

    B

    ICMP echo requests are sent to 172.19.102.2 until five packets are dropped.

    C

    ICMP echo requests are sent to 172.19.102.2 five times.

    D

    ICMP echo requests are sent continuously to 172.19.102.2 for five seconds.


    正确答案： A
    解析： 暂无解析

  • 第12题：

    单选题
    默认情况下，ICMP列表中（）。
    A

    不允许任何ICMP消息

    B

    允许所有ICMP消息

    C

    只允许传入的echo请求

    D

    不允许传入的echo请求


    正确答案： B
    解析： 暂无解析

  • 第13题：

    What kind of message does a PING send out to test connectivity?()

    A. ICMP echo request

    B. Information interrupt request

    C. Timestamp reply

    D. Source quench

    E. None of the above


    参考答案：A

  • 第14题：

    常用来进行网络连通性检查的Ping命令工具,它的工作原理为()。

    A.向目标主机发送UDP Echo Request数据包，等待对方回应UDP Echo Reply数据包

    B.向目标主机发送ICMP Echo Request数据包，等待对方回应ICMP Echo Reply数据包

    C.向目标主机发送UDP Echo Reply数据包，等待对方回应ICMP Echo Request数据包

    D.向目标主机发送ICMP Echo Reply数据包，等待对方回应ICMP Echo Request数据包


    参考答案：B

  • 第15题：

    Which configuration would make an IP SLA probe use a precedence value of 5？（）

    • A、ip sla 1 icmp-echo 1.1.1.1 tos 160
    • B、ip sla 1 icmp-echo 1.1.1.1 tos 20
    • C、ip sla 1 icmp-echo 1.1.1.1 precedence 5
    • D、ip sla 1 icmp-echo 1.1.1.1 dscp 20

    正确答案:A

  • 第16题：

    默认情况下，ICMP列表中（）。

    • A、不允许任何ICMP消息
    • B、允许所有ICMP消息
    • C、只允许传入的echo请求
    • D、不允许传入的echo请求

    正确答案:A

  • 第17题：

    PING命令使用了哪种ICMP消息？（）

    • A、Redirect
    • B、Source quench
    • C、Echo request和Echo reply
    • D、Destination unreachable

    正确答案:C

  • 第18题：

    What kind of message does a PING send out to test connectivity?（）

    • A、ICMP echo request
    • B、Information interrupt request
    • C、Timestamp reply
    • D、Source quench
    • E、None of the above

    正确答案:A

  • 第19题：

    应用程序PING发出的是（）报文。

    • A、TCP请求
    • B、TCP应答报文
    • C、ICMP Echo请求报文
    • D、ICMP Echo应答报文

    正确答案:C

  • 第20题：

    What happens when you issue the ping 172.19.102.2 count 5 command?（）

    • A、ICMP echo requests are sent to 172.19.102.2 in five-millisecond intervals.
    • B、ICMP echo requests are sent to 172.19.102.2 until five packets are dropped.
    • C、ICMP echo requests are sent to 172.19.102.2 five times.
    • D、ICMP echo requests are sent continuously to 172.19.102.2 for five seconds.

    正确答案:C

  • 第21题：

    单选题
    Which configuration would make an IP SLA probe use a precedence value of 3？（）
    A

    ip sla 1  icmp-echo 1.1.1.1 tos 12

    B

    ip sla 1  icmp-echo 1.1.1.1 tos 96

    C

    ip sla 1  icmp-echo 1.1.1.1 precedence 3

    D

    ip sla 1  icmp-echo 1.1.1.1 dscp 12


    正确答案： B
    解析： 暂无解析

  • 第22题：

    单选题
    What command verifies connectivity between two hosts by sending and receiving ICMP echo messages?（）
    A

    ping

    B

    tracert

    C

    netstat

    D

    show cdp neighbors detail

    E

    show ip route

    F

    traceroute


    正确答案： B
    解析： 暂无解析

  • 第23题：

    单选题
    When you issue the logging trap informational command, what happens? （）
    A

    An information trap is sent to the SNMP server.

    B

    Informational and debug messages are logged to the syslog server.

    C

    All messages are sent to the logging host, where selections are made.

    D

    All messages from emergencies to informational are sent to the logging host.


    正确答案： D
    解析： 暂无解析

  • 第24题：

    单选题
    常用来进行网络连通性检查的Ping命令工具，它的工作原理为（）。
    A

    向目标主机发送UDP Echo Request数据包，等待对方回应UDP Echo Reply数据包

    B

    向目标主机发送ICMP Echo Request数据包，等待对方回应ICMP Echo Reply数据包

    C

    向目标主机发送UDP Echo Reply数据包，等待对方回应ICMP Echo Request数据包

    D

    向目标主机发送ICMP Echo Reply数据包，等待对方回应ICMP Echo Request数据包


    正确答案： C
    解析： 暂无解析

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