单项选择题

A. show running-configB. show processes cpuC. debug all……

Which Cisco IOS diagnostics command can disrupt the operation of a router under high-load conditions?（）

A. show running-config
B. show processes cpu
C. debug all
D. logging host ip address

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热门试题

单项选择题Which command encrypts all plaintext passwords?（）

A. Router(config)#password-encryption
B. Router(config)#service password-encryption
C. Router#service password-encryption
D. Router# password-encryption

单项选择题Which encapsulation type is a Frame Relay encapsulation type that is supported by Cisco routers?（）

A. IETF
B. HDLC
C. Q9333-A Annex A
D. ANSI Annex D

单项选择题What is the default administrative distance of OSPF?（）

A. 120
B. 100
C. 90
D. 110

单项选择题Which address is the IPV6 all-RIP-routers muticast group address that is used by RIPng as the destaion address?（）

A. FF02::A
B. FF05::101
C. FF02::9
D. FF02::6

单项选择题Which statement is true, as relates to classful or classless routing?（）

A. Automatic summarization at classful boundries can cause problems on discontinuous subnets
B. EIGRP and OSPF are classful routing protocols and summarize routes by default
C. RIPv1 and OSPF are classless routing protocols
D. Classful routing protocols send the subnet mask in routing updates