CCNA:Cisco Certified Network Associate Study Guide Fourth Edition——Page194:Hands-on Lab 4.3:Saving a Router Configuration
网络中广播地址
原题:The following exhibit shows the PCjob.com WAN. Study it carefully:What are the broadcast addresses of the subnets in the PCjob network? (Select three options.)
A. 172.16.82.255 B. 172.16.95.255 C. 172.16.64.255 D. 172.16.32.255 E. 172.16.47.255 F. 172.16.79.255上述IP地址中,哪个是PCjob网络的广播地址?
原题:What is the basic characteristic of switches and hubs?
A. Hubs cannot filter frames. B. Using hubs is costly with regard to bandwidth availability. C. Switches do and can not forward broadcasts. D. Switches are more efficient than hubs in processing frames. E. Switches increase the number of collision domains in the network.