首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
计算机
Refer to the exhibit. All of the routers in the network are configured with the ip subnet-zero command. Which network addresses
Refer to the exhibit. All of the routers in the network are configured with the ip subnet-zero command. Which network addresses
admin
2019-04-08
51
问题
Refer to the exhibit. All of the routers in the network are configured with the ip subnet-zero command. Which network addresses should be used for Link A and Network A?
选项
A、Network A - 172.16.3.48/26
B、Network A - 172.16.3.128/25
C、Network A - 172.16.3.192/26
D、Link A - 172.16.3.0/30
E、Link A - 172.16.3.40/30
答案
B,D
解析
这是个IP地址规划的考题。Network A中有120台主机,因此Network A中至少需要122个IP地址,根据公式2n >=122,可以解出n=7,因此网络位为32-7=25,容纳的IP地址为128。因此 Network A的网段就可以为172.16.3.0/25或172.16.3.128/25。通过其他的设备分配的地址可以看到172.16.3.0/25的地址已经有一部分分配出去了,因此Network A分配的地址空间只能是172.16.3.128/25.Link A只需要有两个可用的IP地址,因此网段中需要有4个地址根据公式2n >=4,可以解出n=2,因此网络位为32-2=30。而从其他路由器上的地址分配我们可以看到地址172.16.3.4-172.16.3.15, 172.16.3.32-172.16.3.127 这些IP地址都已经分配出去了,因此结合答案我们可以看到Link A的地址空间只能为172.16.3.0/30。
转载请注明原文地址:https://kaotiyun.com/show/jehZ777K
本试题收录于:
思科640802题库思科认证分类
0
思科640802
思科认证
相关试题推荐
UsingFacebookmakespeoplesadder,atleastaccordingtosomeresearch.Burjustwhatisitaboutthesocialnetworkthattakes
Itwassupposedtobethenew-mediaelection.E-mail,blogging,socialnetworkingandtweetingwereexpectedtosurgeinimporta
Itwassupposedtobethenew-mediaelection.E-mail,blogging,socialnetworkingandtweetingwereexpectedtosurgeinimporta
Itwassupposedtobethenew-mediaelection.E-mail,blogging,socialnetworkingandtweetingwereexpectedtosurgeinimporta
Itwassupposedtobethenew-mediaelection.E-mail,blogging,socialnetworkingandtweetingwereexpectedtosurgeinimporta
Whichofthefollowingcategoriesofroutingprotocolsbuildsatopologydatabaseofthenetwork?
IPtelephonynetworksrequirethesamesecuritymeasuresasthoseimplementedonanIPdatanetwork.Whichofthefollowingisu
随机试题
TheWhiteHouseisanimportanthistoricalbuildingintheUSA.Itliesinthecountry’scapital.Manypeopleexpecttoseethep
直肠肛管周围脓肿最常见的病因是
男性,50岁。因大面积烧伤,行中心静脉插管输注营养液,护理中错误的是
下列哪项症状表示发生地方性砷中毒
患者,男,45岁。大便秘结不通,排便艰难,伴腹胀痛,身热,口干口臭,喜冷饮,舌红,苔黄,脉滑数。治疗除取主穴外,还应选用的穴位是()
一个声音的听觉阈值因另一个声音的出现而提高的现象称为听觉掩蔽,其特点有()
唐代被称为“振兴儒学的卫道者”的思想家是()
已知其中a<b<c<d,则下列说法错误的是()
设离散型二维随机变量(X,Y)的取值为(xi,yj)(i,j=1,2),且P{X=x2}=,P{Y=y1|X=x2}=,P{X=x1|Y=y1}=,试求:[img][/img]二维随机变量(X,Y)的联合概率分布;
LawyerhaveaterriblehabitofusingLatinandindustry_____tomystifypeopleandthemselvesmorevaluable.
最新回复
(
0
)