CCDP系列認證單項選擇題每日一練(2019.07.10)

A. 1
B. 2
C. 3
D. 4

A. close to the servers
B. close to the end users
C. at the Internet edge
D. in front of web server farms

A. 19 （3 from the warehouse range and 16 from a separate Class C address）
B. 19 （3 from the warehouse block， 15 from a separate Class C block and 1 from the IP WAN block）
C. 20 （4 from the warehouse range，15 from a separate Class C block and 1 from the IP WAN block）
D. 16 （3 from the warehouse range and 13 from a separate Class C address）

A. It will only become active after a software failure.
B. It will only become active after a hardware failure.
C. It requires that Cisco NSF be enabled in order to work successfully.
D. It synchronizes the MAC, FIB, and adjacency tables between Active and Standby Route Processors.

A. Utilizing Cisco NSF in Layer 2 environments can reduce outages to one to three seconds.
B. Utilizing SSO in Layer 3 environments can reduce outages to one to three seconds.
C. Distribution switches are single points of failure causing outages for the end devices.
D. Utilizing Cisco NSF and SSO in a Layer 2 environment can reduce outages to less than onesecond.
E. NSF and SSO with redundant supervisors have the most impact on outages at the accesslayer.