未分类题

发现子公司A的某台PC机无法访问web服务器,做如下检查:
1)查看网上邻居,发现该PC机可以访问子公司A内其他主机;
2)采用(7)命令来检查与路由器接口1的连通性,结果正常;
3)该PC机可以通过域名访问FTP服务器;
4)用SHOW ACCESS-LIST命令检查路由器的(8),发现有问题,那么造成该 PC机无法访问Web服务器的原因可能是(9)。
(7)A.ping B.nslookup
C.netstat D.interface
(8)A.地址解析协议 B.访问控制列表
C.路由表 D.IP地址
(9)A.该PC机子网掩码配置错误
B.该PC机网关配置错误
C.该PC机的DNS服务器地址配置错误
D.路由器对该PC机访问Web服务器的权限进行了限制

A.ping
B.nslookup
C.netstat
D.interface
(8)A.地址解析协议
E.访问控制列表
F.路由表
G.IP地址
(9)A.该PC机子网掩码配置错误
H.该PC机网关配置错误
I.该PC机的DNS服务器地址配置错误
J.路由器对该PC机访问Web服务器的权限进行了限制

【参考答案】

(7)A (8)B (9)D
(7)A (8)B (9)D 解析:ping命令是一个用来测试网络连接状况的常用工......

(↓↓↓ 点击下方‘点击查看答案’看完整答案 ↓↓↓)
热门 试题

未分类题
听力原文:Woman: Good morning. Edington Property Agent. Can I help you?Man: Oh, yes. I want to rent an apartment. My name is John Murphy.Woman: Is it J-O-H-N, M-U-R-P-H-Y?Man: Yes, that's right.Woman: OK. May I ask about your occupation, Mr. Murphy?Man: I'm a student in Cambridge University and I want to live near Sunny St.Woman: Sunny Street. Right. Any other requirements?Man: The rent should not be more than 120 pounds a month, including water and gas. I'd like an air-conditioner and heating system.Woman: How long are you going to rent it?Man: About a year and a half, from July. Then I'll probably go abroad but it's not decided yet.Woman: Could you leave your contact number, please?Man: It's 55322788.Woman: FinE.As soon as I find an apartment I will call you.Man: Thank you. I'm looking forward to your answer.&8226;You will hear three telephone conversations or messages.&8226;Write one or two words or a number in the numbered spaces on the notes or forms below.&8226;You will hear each recording twicE.Conversation One&8226;Look at the note below.&8226;You will hear a man calling to rent an apartment.Registration FormDate 23 February 2005Time 10:30Name of the customer John (1)Occupation Student in CambridgeRenting details:1. An apartment near Sunny St.2. Not more than (2) pounds a month3. With (3) and heating system4. Renting period: about 1.5 years from JulyContact number (4)
A.Woman:
B.
Woman:
C.
Woman:
D.
Woman:
E.
Woman:
F.
Woman:
G.
Man:
H.
&8226;You
I.
&8226;Write
J.
&8226;You
K.
Conversation
L.
&8226;You
M.
N.
2.
O.5