Phase I and Phase II DMVPN differ in terms of which of these characteristics？（）

单项选择题Whichoneofthefollowingpotentialissuesiseliminatedbyusingsplithorizon？（）

A.Joined horizons
B.Packet forwarding loops
C.cisco Express Forwarding load-balancing inconsistency
D.Asymmetric routing throughout the network

单项选择题Whichswitchporterrorisanindicationofduplexmismatcheson10 100 1000IEEE802.3uGigabitEthernetports？（）

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

单项选择题faCiscoswitchisconfiguredwithVTPv1intransparentmode，whatisdonewithreceivedVTPadvertisements？（）

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WhichIOSsecurityfeatureisconfiguredbytheipinspectinspection-name{in|out}command？（）

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

单项选择题InternetProtocolversion6（IPv6）isthenext-generationInternetLayerprotocolforpacket-switchedinternetworksandtheInternet.IPv6routersolicitationis（）

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