多項選擇題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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1.單項選擇題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

2.多項選擇題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

3.多項選擇題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

4.多項選擇題Which of the following statements concerning IGMP are correct?(Choose all that apply.)()

A.With IGMPvl, queries are sent to a specific group
B.Hosts issuing IGMPvl requests will be correctly interpreted by IGMPv2 hosts due to backwardcompatibility
C.An IGMPv2 router will ignore IGMPv2 leave messages when IGMFVl hosts are present
D.With IGMFV2, a leave message is supported
E.An IGMPv2 host will send an IGMFVl report on an IGMFVl router
F.An IGMPv2 router can only allow IGMPv2 hosts to execute a join request

5.多項選擇題Which of the following pieces of information will the command show interface provide?(Choose allthat apply.)()

A.Layer 1 status
B.Output queue drops
C.Interface CPU utilization
D.Cable type connected to interface
E.Layer 2 status
F.Input queue drops

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