单项选择题

Which statement is true, as relates to classful or clas……

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

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热门试题

单项选择题Which device might be installed at a branch office to enable and manage an IPsec site-to-site VPN?（）

A. Cisco IOS IPsec/SSL VPN client
B. Cisco VPN Clinet
C. ISDN terminal adapter
D. Cisco Adaptive Security Appliance

单项选择题At which layer of the OSI model is RSTP used to prevent loops?（）

A. data link
B. network
C. physical
D. transport

单项选择题Which IPsec security protocol should be used when confidentiality is required?（）

A. PSK
B. AH
C. MD5
D. ESP

单项选择题which command allows you to verify the encapsulation type CISCO OR IETF for a frame relay link?（）

A. show frame-relay map
B. show frame-relay lmi
C. show inter serial
D. show frame-relay pvc

单项选择题What is the alternative notation for the IPV6 address B514:82C3:0000:0000:0029:EC7A:0000:EC72?（）

A. B514:82C3:0029::EC7A:0000:EC72
B. B514:82C3:0029:EC7A:EC72
C. B514:82C3::0029:EC7A:0:EC72
D. B514:82C3::0029:EC7A:EC72