单项选择题

Which of the following events would not explain excessive CPU utilization？（）

A.A large number of BGP sessions
B.A large BGP table
C.A router is configured with the following command： ip route 0.0.0.0 0.0.0.0 fa 0/1
D.All interface buffers are continually in use
E.A flapping interface
F.The router sends a large number of ARP requests

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多项选择题WhichofthefollowingstatementsaretrueforroutersbutnottrueforLayer3Ethernetswitches？（Chooseallthatapply.）（）

A.May have Ethernet as well as non-Ethernet interfaces
B.Traditionally used as a standalone device for inter-VLAN communication
C.Makes use of TCAMs
D.Uses subinterfaces to define trunks
E.Can use both Layer 2 and Layer 3 to make forwarding decisions
F.Allows the definition of Switched Virtual Interfaces（SVI）

多项选择题YouareusingNBARtogetastatisticalbaselinefortheapplicationsrunningonyournetworkbutdiscoverthatsomeapplicationsarenotbeingrecognized.Whichofthefollowingarepossiblesolutions？（Chooseallthatapply.）（）

A.Use the ip nbar pdlm command to allow NBAR to reference a new PDLM in flash memory
B.If NBAR doesn’t recognize certain applications you must contact Cisco and ask them to emailyou a new PDLM for that application
C.Use the ip nbar port-map command to allow NBAR to recognize certain applications with anev/port number
D.The applications not being recognized can be rerouted to an NBAR collector， which has a morecomplete list of applications
E.Use the copy nbar flash： command to download a new PDLM file to flash
F.Use the ip nbar pdlm command to download a new NBAR reference file from the Cisco website

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A.Routing loops
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C.Overiapping IP address space
D.DMVPN
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A.2001：0000：0：abc：0000：0000：a：b
B.2001：：abc：：a：b
C.2001：：abc：0：0：000a：000b
D.2001：：0abc：0000：0000：a：b
E.2001：0000：0000：abc：：a：b
F.2001：：abc：0：0：a：b

单项选择题Whichofthefollowingisnotatypicalwirelesstroubleshootingtarget？（）

A.Quality of Service
B.Trunk configuration
C.Access lists
D.Routing protocol configuration
E.Power over Ethernet
F.DHCP configuration