单项选择题

Which switch port error is an indication of duplex mismatches on 10/100/1000 IEEE 802.3u Gigabit Ethernet ports？（）

A.FCS errors
B.Runts
C.Multiple collisions
D.Alignment errors

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单项选择题

f a Cisco switch is configured with VTPv1 in transparent mode， what is done with received VTP advertisements？（）

A.They are discarded
B.The contents are altered to reflect the switch’s own VTP database and then they are forward out all trunking ports
C.The changes within the advertisements are made to the switch’s VTP database.
D.The contents are ignored and they are forwarded out all trunking ports.

单项选择题

Which IOS security feature is configured by the ip inspect inspection-name {in | out} command？（）

A.IPsec site-to-site VPN
B.Cisco AutoSecure
C.Cisco IOS Firewall
D.IPS

单项选择题

Internet Protocol version 6 （IPv6） is the next-generation Internet Layer protocol for packet-switched internetworks and the Internet. IPv6 router solicitation is（）

A.A request made by a node for the IP address of the local router
B.A request made by a node to join a specified multicast group
C.A request made by a node for a DHCP provided IP address
D.A request made by a node for the IP address of the DHCP server