A.root guard
B.loop guard
C.BPDU guard
D.UDLD
E.BPDU skew detection
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A.a routing protocol that is flooding updates
B.a flapping port that is generating BPDUs with the TCN bit set
C.STP is not running on the switch
D.a user that is downloading the output of the show-tech command
E.a corrupted switch CAM table
A.ip verify unicast source reachable-via any
B.ip verify unicast reverse-path
C.ip verify unicast reverse-path loose
D.ip verify unicast reverse-path strict
A.Increase the queue size of the voice class.
B.Guarantee bandwidth during congestion to the voice class with a bandwidth command.
C.Increase the tx-ring of the egress interface.
D.Implement LLQ for the voice class.
E.Decrease the rx-ring of the egress interface.
F.Decrease the queue size of the voice class.
A.It will advertise the prefix to all other client peers and non-client peers.
B.It will not advertise the prefix to EBGP peers.
C.It will only advertise the prefix to all other IBGP peers.
D.It will not advertise the prefix to any peers.
A.Link
B.NSSA external
C.Network link
D.Intra-area prefix
E.AS domain
A.6to4
B.6over4
C.ISATAP
D.6PE
E.GRE
A.Prepend extra AS hops to the BGP prefix.
B.Advertise more specific BGP prefixes（longer mask）.
C.Add（prepend）one or more communities to the prefix that is advertised by BGP.
D.Have BGP dampen the prefix.
A.the entire network switches to 802.1D and generates BPDUs to determine root bridfe status.
B.A migration delay of three seconds occurs when the port that is connected to the 802.1D bridge comes up
C.The entire network reconverges and a unique root briddge for the 802.1D segment， and a root bridge for the 802.1W segment， is chosen
D.the first hop 802.1w switch that is connected to the 802.1D runs entirely in 802.1DCompatibility mode and converts the BPDUs to either 802.1D or 802.1W segments of the network
E.Classic 802.1D timers， Such as forward Delay and Max-age， will only be used as a backup， and will not be necessary if point-to-point links and edge prots are properly identified and set by the administrator.
A.Out-of-profile packets are queued.
B.It causes TCP retransmits.
C.Marking/remarking is not supported.
D.It does not respond to BECN and ForeSight Messages.
E.It uses a single/two-bucket mechanism for metering.
A.runts
B.FCS errors
C.interface resets
D.late collisions
最新試題
For the following items，what is the mathematical relationship between the committed information rate （CIR）， committed burst （Bc）， and committed rate measurement interval （Tc）？（）
Which statement is true of a source that wants to transmit multicast traffic to group 239.1.1.1？（）
Which message type is constructed and sent from an MSDP router to its MSDP peers when it receives a PIM register message （knowing that the MSDP router is also configured as an RP for the PIM domain）？（）
In which way can the IPv6 address of 2031：0000：130F：0000：0000：09C0：876A：130B be expressed most efficiently？（）
Which QoS mechanism can help classify different kinds of Citrix traffic （print job versus real-time terminal control）？（）
Phase I and Phase II DMVPN differ in terms of which of these characteristics？（）
f a Cisco switch is configured with VTPv1 in transparent mode， what is done with received VTP advertisements？（）
When two bridges are competing for the root bridge of an IEEE 802.1D spanning tree and both have the same bridge priority configured， which parameter determines the winner？（）
Multicast is being deployed in the network， and only ip pim sparse-dense mode has been configured on all interfaces in the network to support a new video streaming application. No other multicast configuration was applied anywhere in the network. Since enabling multicast， the network monitoring tools show periodic spikes in link utilization throughout the network， even in areas where the video application is not being used. What could be a possible cause？（）
What are the "bound IP addresses" used for in LDP？（）