【摘要】 思科网权威发布Cisco试题库:ccna真题(下)(4)，更多Cisco试题库:ccna真题(下)(4)相关信息请访问Cisco认证网。无忧考网为大家收集整理了《Cis
思科网权威发布Cisco试题库:ccna真题(下)(4)，更多Cisco试题库:ccna真题(下)(4)相关信息请访问Cisco认证网。无忧考网为大家收集整理了《Cisco试题库:ccna真题(下)(4)》供大家参考，希望对大家有所帮助！！！
17: a new network is being designed for your company, acme, inc. if you use a class c ip network, which subnet mask will provide one usable subnet per department while allowing enough usable host addresses for each department specified in the table? department number of users corporate 7 customer support 15 financial 13 hr 7 engineering 16 a. 255.255.255.0
b. 255.255.255.192
c. 255.255.255.224
d. 255.255.255.240
e. 255.255.255.248
18: which of these protocols provides data transport, relying on the error correction capabilities of the application itself?
a. udp
b. tcp
c. snmp
d. icmp 19: which of the following are used by tcp to ensure reliable delivery of data? (choose two.)
a. mac address resolution
b. sequence numbers
c. acknowledgments(GbbFi, tk k&dF={(GbbFi, tk k&dF={t$
d. ping
e. routing updates 20: you discover that you are able to adjust the window size of the tcp segment. you increase the window size to test the results. what will you observe happening on your network?
a. increased throughput
b. decreased throughput
c. increased latency
d. decreased reliability
