题目内容
(请给出正确答案)
[单选题]
You have been asked to use a 25 bit subnet mask to segment the following network block:209.18.12.0.How many usable will there be per subnet?()
A.2 hosts
B.120 hosts
C.126 hosts
D.255 hosts
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A.2 hosts
B.120 hosts
C.126 hosts
D.255 hosts
第1题
A. show ospf database
B. show ospf neighbor
C. show protocols ospf
D. show ospf link-state
第2题
A. ABR
B. ASBR
C. internal router
D. backbone router
第3题
A. the router with the lowest priority
B. the router with the highest priority
C. the router with the highest System ID
D. the router with the highest IP address
第4题
A. PFE
B. RE
C. Junos OS
D. forwarding table
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