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
When upgrading the IOS image,the network administrator receives the exhibited error message.What could be the cause of this error?（）
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）？
什么問(wèn)題導(dǎo)致SERVER VTP密碼跟替他交換機(jī)VTP密碼不匹配？
As a CCNA candidate,you must have a firm understanding of the IPv6 address structure.Refer to IPv6 address,could you tell me how many bits are included in each filed?（）
Refer to the exhibit.Which statement describes DLCI 17?（）
what is the advantage of policing opposite to shaping？
What is the three main step of using the QoS feature with MQC command line interface？
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？（）
兩ebgp鄰居發(fā)路由過(guò)來(lái) ，哪些屬性重置？
A default Frame Relay WAN is classified as what type of physical network?（）