CCNA帮忙翻译一下

146. A network administrator would like to implement NAT in the network shown in the graphic to allow inside

hosts to use a private addressing scheme. Where should NAT be configured?

A. Corporate router

B. Engineering router

C. Sales router

D. all routers

E. all routers and switches

Answer: A

147. If an ethernet port on a router was assigned an IP address of 172.16.112.1/20, what is the maximum number

of hosts allowed on this subnet?

A. 1024

B. 2046

C. 4094

D. 4096

E. 8190

Answer: C

148. Which tables of EIGRP route information are held in RAM and maintained through the use of hello and

update packets? (Choose two.)

A. neighbor table

B. SPF table

C. RTP table

D. topology table

E. query table

F. DUAL table

Answer: AD