A.The TTL field from the IP packet is copied into the TTL field of the MPLS label header at the ingress edge LSR
B.TTL propagation cannot be disabled in an MPLS domain
C.TTL propagation is only disabled on the ingress edge LSR
D.The TTL field of the MPLS label header is set to 255
E.The TTL field of the IP packet is set to 0
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A.Cisco IOS IPS enabled on the untrusted interface
B.NBAR enabled to perform protocol discovery and deep packet inspection
C.a route map to define the trusted outgoing traffic
D.a route map to define the application inspection rules
E.an inbound extended ACL applied to the untrusted interface
A.none，since it is implicit
B.to enable Cisco IOS IPS to work properly；however，it is the deny all traffic entry that is actually required
C.to enable Cisco IOS Firewall to work properly；however，it is the deny all traffic entry that is actually required
D.to allow the log option to be used to log any matches
E.to prevent sync flood attacks
F.to prevent half-opened TCP connections
最新試題
A network administrator is troubleshooting the OSPF configuration of routers R1 and R2.The routers cannot establish an adjacency relationship on their common Ethernet link.The graphic shows the output of the show ip ospf interface e0 command for routers R1 and R2.Based on the information in the graphic,what is the cause of this problem?（）
R1 will choose which path to reach 10.1.0.0？
A default Frame Relay WAN is classified as what type of physical network?（）
What is the next state of initial in spanning-tree protocol？
The Frame Relay network in the diagram is not functioning properly.What is the cause of the problem?（）
How should arouter that is being used in a Frame Relay network be configured to avoid split horizon issues from preventing routing updates?（）
what is the advantage of policing opposite to shaping？
Refer to the exhibit.How many broadcast domains exist in theexhibited topology？（）
當(dāng)將多個(gè)交換機(jī)加入到MST region當(dāng)中會(huì)發(fā)生什么（what happen）？
Refer to the exhibit.What is the meaning of the term dynamic as displayed in the output of the show frame-relay map command shown？（）