A.the table of 4096 elements that map the respective VLAN to STP instance number
B.VTP version
C.configuration revision number
D.native VLAN ID
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A.PIM sparse mode is being used.
B.PIM dense mode is being used.
C.The BGP multicast address family has not been configured.
D.IGMP version 3 is being used.
E.IP PIM neighbor filters have not been applied.
A.The phones are not sending traffic with the correct DSCP value.
B.The Cisco CallManager is not marking the traffic correctly.
C.This is most likely a bug on the CE routers.
D.Your LAN QoS is incorrectly configured.
A.routing issue
B.denial-of-service attack
C.MAC flooding
D.spanning-tree recalculation
E.Layer 2 loop
F.ARP spoofing attack
A.LDAP
B.ICMP
C.RTP
D.BGP
E.SSH
F.RDP
A.qos-group
B.DSCP
C.LFI
D.NBAR
A.A sham-link is a logical link between PE routers that provides an OSPF adjacency between the PE routers and forwards customer traffic across it.
B.A sham-link is a logical link between PE routers that provides an OSPF adjacency between the PE routers and carries OSPF LSAs.
C.A sham-link is a logical link between PE routers that carries OSPF LSAs and forwards customer traffic across it.
D.A sham-link is a point-to-multipoint link that provides an OSPF adjacency between the PE routers and carries OSPF LSAs.
E.A sham-link is a point-to-multipoint link that provides an OSPF adjacency between the PE routers and forwards customer traffic across it.
A.Both RTA and RTB will do LSA7/5 translation，since they are both NSSA ABRs
B.RTA will do LSA7/5 translation，since it has the lower router ID
C.RTB will do LSA7/5 translation，since it has the higher router ID
D.The redistributing router will do LSA7/5 translation，since it is within the NSSA
A.It enables provider edge （PE） specific checks on a router when the OSPF process is associated with the VRF
B.It disables provider edge （PE） specific checks on a router when the OSPF process is associated with the VRF
C.It enables the exchange of the "VRF-Lite" capability when the OSPF adjacency is formed.
D.It disables the MPLS processing on the OSPF learned routes inside the VRF
A.OSPF external LSAs are automatically flooded into all OSPF areas, unlike type 7 LSAs, which require that redistribution be configured.
B.External LSAs (type 5) are automatically changed to type 1 LSAs at ASBRs.
C.Type 5 LSAs are route summaries describing routes to networks outside the OSPF Autonomous System.
D.External network LSAs (type 5) redistributed from other routing protocols into OSPF are not permitted to flood into a stub area
A.Before sending traffic, it must first join multicast group 239.1.1.1 by sending an IGMPv2 membership report to the default router on the local subnet.
B.It must send an IGMPv2 Request to Send packet and then wait for an IGMPv2 Clear to Send packet from the IGMPv2 querier router on the local subnet
C.It may begin transmitting multicast traffic to the group only when there is no other host transmitting to the group on the local subnet.
D.It may transmit multicast traffic to the group at any time.
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）？（）
What does the OSPF command capability vrf-lite achieve？（）
Which IOS security feature is configured by the ip inspect inspection-name {in out} command？（）
Two directly connected routers， R1 and R2， are both configured for OSPF graceful restart. R2 is able to switch packets in hardware， but R1 is not. If a network administrator logs on to R2 and performs a system reload， which will be the result？（）
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）？（）
Which statement best describes OSPF external LSAs （type 5）？（）
Which statement is correct about an OSPF sham-link？（）
Which three statements are true about policing？ （）
Choose two commands that are required to enable multicast on a router， when it is known that the receivers use a specific functionality of IGMPv3.（）
Policy-based routing allows network administrators to implement routing policies to allow or deny paths based on all of these factors except which one？（）