Which two statements best describes the role of a router on a broadcast domain?()A.Routers facilitate communications within a broadcast domain.B.Routers facilitate communications between broadcast domains.C.Routers are used to break up broadcast domains i
题目
A.Routers facilitate communications within a broadcast domain.
B.Routers facilitate communications between broadcast domains.
C.Routers are used to break up broadcast domains into separate networks.
D.Routers are used to connect small broadcast domains and form larger more efficient broadcast domains
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第1题：
在Cisc0路由器上建立-个名为zw246的DHCP地址池，地址池的IP地址是176．115．246．0/24，其中不用于动态分配的地址有176．115．246．2-176．115．246．10，缺省网关为l76．115．246．1，域名为tj．edu．en，域名服务器地址为l76．115．129．26，地址租用时间设定为6小时30分钟。下列DHCP地址池的配置，正确的是（ ）。
A.Router（config）#ip dhcp pool zw246Router（dhcp-eonfig）#ip dhep excluded-address l76．1 15．246．2 176．1 15．246．10Router（dhcp-eonfig）#network l76．115．246．0 255．255．255．0Router（dhcp-config）#default-router l76．115．246．1Router（dhcp-config）#domain-name tj．edu．enRouter（dhcp-config）#dns-server address 176．1 15．129．26Router（dhcp-config）#lease 0 6 30
B.Router（config）#ip dhcp excluded-address 176．115．246．2-10Router（config）#ip dhcp pool zw246Router（dhcp-config）#network l76．1 15．246．0 255．255．255．0Router（dhcp-config）#default-router l76．115．246．1Router（dhcp-config）#domain-name tj．edu．caRouter（dhcp-config）#dns-server address l76．115．129．26Router（dhcp-config）#lease 0 6 30
C.Router（config）#ip dhcp excluded-address l76．115．246．2 176．115．246．10Router（config）#ip dhcp pool zw246Router（dhcp-config）#network 176．115．246．0 255．255．255．0Router（dhcp-config）#default-muter l76．115．246．1Router（dhcp-config）#domain -name tj．edu．anRouter（dhcp-config）#dns-server address 176．115．129．26Router（dhcp-config）#lease 0 6 30
D.Router（config）#ip dhcp excluded-address 176．1 15．246．2 176．1 15．246．10Router（config）#ip dhcp pool zw246Router（dhcp-config）#network 176．1 15．246．0 255．255．255．0Router（dhcp-config）#default-router 176．1 15．246．1Router（dhcp-config）#domain-name tj．edu．cnRouter（dhcp-config）#dns-server address 176．115．129．26Router（dhcp-config）#lease 30 6 0
正确答案：C
Cisco路由器DHCP地址池的配置：步骤一：首先排除不用于动态分配的地址（config）#ipdhcpexcluded-address176．115．246．2176．115．246．10步骤二：配置一个名为zw246的DHCP地址池（config）#ipdhcppoolzw246步骤三：配置IP地址池的子网地址和子网掩码（dhcpoconfig）#network176．115．246．0255．255．255．0步骤四：配置缺省网关（dhepocontig）#defaultorouterl76．115．246．1步骤五：配置IP地址池的域名（dhcpoconfig）#do-mainoNametj．edu．cn步骤六：配置域名服务器的IP地址（dhcpoconofig）#dnsoserveraddress176．115．129．26步骤七：配置租借期为6小时30分钟（dhcp-con．fig）#lease0630，格式为：lease天数小时数分钟数因此C选项正确。 -
第2题：
Whichofthefollowingcorrectlyfillsinthemissingwordsofthissentence:AnARPrequestusesaaddress,whereasanARPreplyusesaaddress.()A.broadcast，multicast
B.unicast，broadcast
C.broadcast，unicast
D.multicast，unicast
E.broadcast，broadcast
F.unicast，multicast
参考答案：C
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第3题：
She read a poem which depicts the splendor of the sunset.A:declares
B:asserts
C:announces
D:describes答案：D解析：本句意思：她读了一首描绘落日壮观景象的诗。depict描绘，描画。describe描写；de- clare宣告；assert断言；announce宣布，发表。 -
第4题：
Refertotheexhibit.WhichofthefollowingIOSDHCPconfigurationstatementsisrequiredsothataCiscoskinny－basedIPphonecanconnectwithCallManager?()
A.ipdhcppoolClient
B.network10.1.1.0255.255.255.240
C.default-router10.1.1.1
D.dns-server10.2.2.2
E.domain-namecisco.com
F.option150ip10.3.3.3
参考答案：F
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第5题：
This poem depicts the beautiful scenery of a town in the South.A: praises
B: writes
C: imitates
D: describes答案：D解析：句意为：这首诗描写的是南方一个小城镇的美景。depict和describe是同义词，都是“描写”的意思，praise意为“表扬、赞美” ; imitate意为“模仿”。 -
第6题：
DHCP配置文件中的选项，为客户端指定DNS服务器的IP地址的选项是（）。
A．broadcast-address
B．domain-name-servers
C．netbios-name-servers
D．nis-servers
全局使能DHCP功能;采用全局地址池的DHCP服务器模式时，配置全局地址池;采用端口地址池的DHCP服务器模式时，配置端口地址池