A、complete SNP (CSNP)
B、partial SNP (PSNP)
C、hello
D、database query
E、database description packet (DDP)
更多“Which packet type is used to ackno wledge LSPs on point - to - point links and to request missing pieces of information in the IS - IS link -state database?（）”相关的问题
A、Forward the packet. B、Fragment the packet. C、Drop the packet silently. D、Drop the packet and send an ICMPv6 message.
A、The FWSM supports up to 16 asymmetric routing groups. B、If a matching packet is not found, the packet is dropped. C、Asymetric routing of return traffic is enabled. D、If a matching packet is found, the Layer 3 header is rewritten. E、If a matching packet is found, the Layer 3 header is rewritten and the packet is forwarded to the default gateway.
A、The area cannot be a backbone area. B、Inter area routes are suppressed. C、The area has no more than 10 routers. D、No virtual links are allowed. E、No autonomous system border routers are allowed. F、Redistribution is not allowed unless the packet is changed to a type 7 packet.
A、The local host will respond to ICMP echo-request packets from 192.168.53.10. B、The local host will respond to UDP port 53 requests from 192.168.1.25. C、The local host can send any packet of any type to host 172.16.1.1. D、The local host will accept any packet of any type from host 172.16.1.1. E、The local host can send packets to UDP port512 on server 192.168.53.10.
A、CEF switching is not needed for MPLS operation. B、CEF switching is only needed to forward labeled packets. C、CEF switching is needed on both ingress and egress interfaces on which MPLS is enabled. D、Interface-level CEF switching is needed only on egress interfaces that are sending IP packets on which the egress LSR performs the label imposition process. E、Interface-level CEF switching is needed only on ingress interfaces that are receiving IP packets on which the ingress LSR performs the label imposition process.
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