1. [多选题]下列哪一设备工作时,要用到OSI的七个层(一层到七层)()
A. PC
B. 网管机
C. WEB服务器
D. 交换机
E. 路由器
2. [多选题]属于私有IP段的是()
A. 10.0.0.0-10.255.255.255
B. 172.16.0.0-172.31.255.255
C. 202.110.100.0-202.110.100.255
D. 192.168.0.0-192.168.255.255
E. 126.0.0.0-126.255.255.255
3. [多选题]对于IP为199.41.27.0,子网掩码为255.255.255.240,则该IP地址和子网掩码相作用会得到一系列IP,从下列选项中选出属于“有效IP”的选项:()
A. 199.141.27.33
B. 199.141.27.112
C. 199.141.27.119
D. 199.141.27.126
E. 199.141.27.175
F. F.199.141.27.208
4. [单选题]基本IP访问权限表的表号范围是:()
A. 1—100
B. 1-99
C. 100-199
D. 800-899
5. [单选题]帧中继环境中,在物理端口上,建立子接口的命令是()
A. create
B. interface
C. encapsulation
D. ip address
6. [单选题]What kind of cable should be used to establish a trunked line between two Catalyst switches?
A. A straight-through cable
B. An EIA/TIA-232 serial cable
C. An auxiliary cable
D. A modem cable
E. A cross-over cable
7. [单选题]在OSPF的完全存根区域中,使用以下哪种LSAType报文或其它方式与区域间(inter-area)通信:()
A. LSAType1.2
B. LSAType3
C. LSAType4
D. 默认路由:0.0.0.0
8. [多选题]Regarding the extended ping command; which of the statements below are true?(Select all valid answer choices)
A. The extended ping command is supported from user EXEC mode.
B. The extended ping command is available from privileged EXEC mode.
C. With the extended ping command you can specify the TCP and UDP port to be pinged.
D. With the extended ping command you can specify the timeout value.
E. With the extended ping command you can specify the datagram size.
9. [多选题]请选出交换机处理帧的三种模式:()
A. 直通模式
B. 存储转发模式
C. 侦测模式
D. 分段模式
E. 阻塞模式
10. [单选题]IP地址为:192.168.50.70,掩码为:255.255.255.248,则该IP和掩码结合划分子网时,每个子网的容量为()
A. 8
B. 4
C. 12
D. 6