單項選擇題Which of the following commands would result in the following output: M.M.M()。

A.Ping 10.1.1.1 Data Pattern M
B.Ping 10.1.1.1 timeout 0
C.Ping 10.1.1.1 size 1500 df-bit
D.Ping 10.1.1.1 source loopback 0
E.Ping 10.1.1.1 size 1500
F.Ping 10.1.1.1 size 1500 Strict


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1.多項選擇題A router simultaneously receives all the following routes in various routing updates. Which of thefollowing routes would end up in the routing table?(Choose all that apply.)()

A.RIP route 10.1.2.0/24
B.EIGRP route 10.1.2.0/24
C.RIP route 10.1.0.0/16
D.OSPF route 10.1.0.0/16
E.RIP route 10.0.0.0/16
F.OSPF route 10.1.2.0/24

2.多項選擇題Which of the following data structures exist on a router for the OSPF routing protocol?()

A.OSPF topology table
B.OSPF interface table
C.OSPF routing information base
D.OSPF link-state database
E.OSPF adjacency table
F.OSPF neighbor table

3.多項選擇題Which of the following procedures are involved in the recommended three-step troubleshootingflow?(Choose the best three answers.)()

A.Problem report
B.Problem collaboration
C.Problem diagnosis
D.Problem resolution
E.Problem documentation
F.Probiem authentication

4.單項選擇題Which of the following virtual MAC addresses is correct for the HSRP group 22?()

A.0000.0c70.ac22
B.0000.0c07.22ac
C.0000.0c07.acl6
D.0000.0c07.ac22
E.0000.0c70.cala
F.0000.0d22.ac07

5.多項選擇題Which of the following are considered subcomponents of the problem diagnosis step of thetroubleshooting flow?(Choose all that apply.)()

A.Eliminate potential causes
B.Collect information
C.Document causes
D.Hypothesize underlying causes
E.Verif/ hypothesis
F.Examine collected information

6.單項選擇題Which of the following is not a characteristic of Cisco Express Forwarding?()

A.The adjacency table is populated from a router’s ARP cache
B.CEF does not require the first packet of a data flow to be process switched
C.CEF maintains the Forward Information Base and the adjacency table
D.CEF can be enabled with the interface command ip cef
E.The FIB is populated from a router’s IP routing table
F.On most router platforms CEF is enabled by default

7.多項選擇題Which of the following is an unlikely reason for the ARP process to fail?()

A.CEF switching is disabled on the switch
B.The source device and destination device are in different VLANs
C.The VLAN is excluded from the trunk
D.The host is connected to the switch through an IP phone
E.A faulty cable from host to switch or between switches
F.The trunking encapsulation type is inconsistent on the two ends of the link

8.多項選擇題Whichof the following are valid modes of packet switching on most routers?(Choose all thatapply.)()

A.Cisco Express Fonvarding
B.FIB switching
C.Cache switching
D.Optimized switching
E.Process switching
F.Fast switching

9.單項選擇題Which of the following management types can be used to deploy appropriate quality-of-servicesolutions to make the most efficient use of bandwidth?()

A.Fault management
B.Accounting management
C.Operations management
D.Performance management
E.Security management
F.Configuration management

10.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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