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JN0-130單項選擇題每日一練(2019.01.23)

單項選擇題
Which encryption type is used to secure user data in an IPsec tunnel?（）
A. symmetric key encryption
B. asymmetric key encryption
C. RSA
D. digital certificates
單項選擇題
Which configuration command places interfaces whose IP addresses are between 192.168.0.0 and 192.168.255.255 into OSPF area 0?（）
A.A
B.B
C.C
D.D
單項選擇題
During OSPF adjacency formation, in which state is a router in when it is negotiating to be in charge of the database synchronization process?（）
A.A
B.B
C.C
D.D
單項選擇題
Which RIP message type is used to deliver route information to neighbors?（）
A.A
B.B
C.C
D.D
單項選擇題
Which OSPF area type allows for the flooding of a Type 7 LSA?（）
A.stub
B.transit
C.border
D.not-so-stubby