搜题

【多选题】

Host1正在试图和Host2联系。RouterC的e0接口是down的，以下选项正确的是？（）<br /> <img src="https://nimg.ppkao.com/2018-07/yiyu/2018072311480640000.jpg?sign=ba6af990239109362dc3a269f128fe8c&t=62d4b01a" /><br />

A、RouterC会使用ICMP通知Host1&ldquo；Host2无法到达&rdquo；

B、RouterC会使用ICMP通知Host1&ldquo；Host1无法到达&rdquo；

C、RouterC会使用ICMP通知Host1，RouterA和RouterB&ldquo；Host2无法到达&rdquo；

D、RouterC会发送一个&ldquo；DestinationUnreachable&rdquo；的消息类型

E、RouterC会发送一个&ldquo；RouterSelection&rdquo；的消息类型

F、RouterC会发送一个&ldquo；SourceQuench&rdquo；的消息类型

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更多“ Host1正在试图和Host2联系。RouterC的e0接口是down的，以下选项正确的是？（）<br /> <img src="https://nimg.ppkao.com/2018-07/yiyu/2018072311480640000.jpg?sign=ba6af990239109362dc3a269f128fe8c&t=62d4b01a" /><br />”相关的问题

第1题

[] 如图，下列哪种说法描述了Host1和Host2无法通信的原因？（）如图，下列哪种说法描述了Host1和Host2无法通信的原因？（）

A、A.每个VLAN中的VLAN端口必须连续分配。 B、B.主机的默认网关地址必须处于同一个逻辑网络中。 C、C.交换机的IP地址在错误的子网中。 D、D.需要路由器在主机之间转发流量。

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第2题

[单选题] Host1的用户想PING DSL调制解调器/路由器的192.168.1.254，ARP表如下图，Host1会怎么操作？（）

A、发送一个单播ARP包到DSL调制解调器/路由器 B、发送一个单播ICMP包到DSL调制解调器/路由器 C、发送三层广播包到响应的DSL调制解调器/路由器 D、发送一个可以被Host2，the switch，and the DSL modem/router 受到的2层广播帧

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第3题

[单选题] The user of Host1 wants to ping the DSL modem/router at 192.168.1.254. Based on the Host1 ARP table that is shown in the exhibit, what will Host1 do（）。

A、send a unicast ARP packet to the DSL modem/router B、send unicast ICMP packets to the DSL modem/router C、send Layer 3 broadcast packets to which the DSL modem/router responds D、send a Layer 2 broadcast that is received by Host2, the switch, and the DSL modem/router

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第4题

[单选题] The server host1 has been set up as a backup system with the following /etc/exports./backups -rw. How can a second server regularly use this disk space?（）

A、/usr/sbin/mkfs -s 8G -o nbpi=2048,frag=512 /dev/lv00 -b -l host1 B、/usr/sbin/crnfsmnt -d /backups -l /backups host1 -R -X -v -S -b bg C、/usr/sbin/mknfsmnt -f /backups -d /backups -h host1 -a -S -t rw -w bg -g D、/usr/sbin/crfs -v nfs -g vg1 -A yes -p rw -m /backups -a logname=/dev/lv00

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第5题

[] The server host1 has been set up as a backup system with the following /etc/exports: How can a second server regularly use this disk space?（）

A、A./usr/sbin/mkfs -s 8G -o nbpi=2048,frag=512 /dev/lv00 -b -l host1 B、B./usr/sbin/crnfsmnt -d /backups -l /backups host1 -R -X -v -S -b bg C、C./usr/sbin/mknfsmnt -f /backups -d /backups -h host1 -a -S -t rw -w bg -g D、D./usr/sbin/crfs -v nfs -g vg1 -A yes -p rw -m /backups -a logname=/dev/lv00

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第6题

[单选题] Refer to the exhibit. GLBP has been configured on the network. When the interface serial0/0/1 on router R1 goes down， how is the traffic coming from Host1 handled？（）

A、 The traffic coming from Host2 is forwarded through router R2 with no disruption. The traffic from Host1 is dropped due to the disruption of the load balancing feature configured for the glbp group. B、 The traffic coming from both hosts is temporarily interrupted while the switchover to make R2 active occurs. C、 The traffic coming from Host2 is forwarded through router R2 with no disruption. Host1 sendsan ARP request to resolve the MAC address for the new virtual gateway. D、 The traffic coming from Host1 and Host2 is forwarded through router R2 with no disruption.

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第7题

[] 主机1试图与主机2通信，但是Router C上的E0接口关闭。以下哪项是正确的？（）主机1试图与主机2通信，但是Router C上的E0接口关闭。以下哪项是正确的？（）

A、A.路由器C会使用ICMP通知Host1无法到达主机2。 B、B.路由器C会使用ICMP通知路由器B无法到达主机2。 C、C.路由器C会使用ICMP通知Host1，路由器A和路由器B无法到达主机2。 D、D.路由器C发送目的地不可达报文类型。 E、E.路由器C发送路由选择信息类型。 F、F.路由器C发送源抑制消息类型。

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第8题

[单选题] The server host1 has been set up as a backup system with the following /etc/exports： /backups -rw How can a second server regularly use this disk space？（）

A、/usr/sbin/mkfs -s 8G -o nbpi=2048，frag=512 /dev/lv00 -b -l host1 B、/usr/sbin/crnfsmnt -d /backups -l /backups host1 -R -X -v -S -b bg C、/usr/sbin/mknfsmnt -f /backups -d /backups -h host1 -a -S -t rw -w bg -g D、/usr/sbin/crfs -v nfs -g vg1 -A yes -p rw -m /backups -a logname=/dev/lv00

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第9题

[单选题] The server host1 has been set up as a backup system with the following /etc/exports：/backups -rw. How can a second server regularly use this disk space？（）

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