單項選擇題Which of the following commands provides data plane information required to forward a packet toa specific ip address?()

A.sh ip route
B.sh ip cef 〈ip_address〉
C.sh adjacency 〈ip_address〉
D.sh ip route 〈ip_addres$〉
E.sh ip adjacency 〈/p_address〉
F.sh ip cef 〈mac_addrQss〉〈ip_address〉


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1.多項選擇題Which of the following characteristics describe the Root Guard feature?(Choose all that apply.)()

A.The port must be put into forwarding state manually after root-inconsistent state has beencorrected
B.A Root Guard port receiving superior BPDU goes into a root-inconsistent state
C.A Root Guard port receiving inferior BPDU goes into a root-inconsistent state
D.While the port is in a root-inconsistent state no user data is sent across that port
E.The port returns to a forwarding state if inferior BPDUs stop
F.It should be applied to all switch ports

2.多項選擇題Which of the following would provide good baseline documentation to have on hand whenanalyzing potential problems?(Choose all that apply.)()

A.User authentication ID and password
B.User profile
C.Output of debug
D.Output of show interface
E.Result of ping
F.Output of show process cpu

3.多項選擇題Which of the following are common issues that should be considered when establishing ortroubleshooting site-to-site VPNs?(Choose all that apply.)()

A.User authentication
B.Overlapping IP address space
C.GRE or IPsec configuration
D.MTU size
E.VPN client software
F.Authentication server configured ly

4.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

5.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

6.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

7.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

8.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

9.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

10.單項選擇題Which of the following commands will display a router’s crypto map IPsec security associationsettings?()

A.show crypto map ipsec sa
B.show crypto map
C.show crypto engine connections active
D.show ipsec crypto map
E.show crypto map sa
F.show ipsec crypto map sa

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