多项选择题

Which of the following are TACACS+ characteristics？（Choose all that apply.）（）

A.Cisco proprietary
B.Standards-based protocol
C.Provides separate services for authentication， authorization， and accounting
D.Encrypts only the password
E.Uses UDP for a transport layer
F.Encrypts the entire packet

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单项选择题

Which of the following commands will remove all dynamic entries for a router’s NAT table？（）

A.clear nat translations
B.clear ip nat translations*
C.clear ip nat statistics
D.clear ip nat transactions*
E.clear ip nat translations
F.clear ip nat translations all

多项选择题

Which of the following are correct statements？（）

A.EIGRP advertises the best routes to its neighbor
B.EIGRP uses "cost" to determine best path
C.EIGRP allows unequal cost load balancing
D.OSPF requires neighbor adjacencies before updates are sent
E.EIGRP advertises all routes to its neighbor
F.OSPF allows unequal cost load balancing

多项选择题

Which of the following are byproducts of a structured maintenance plan？（Choose all that apply.）（）

A.Predictable security vulnerabilities
B.Economies of scale
C.Improved expenditure forecasts
D.Increased downtime
E.Predictable equipment obsolescence
F.Consumption of fewer resources