单选题 A router receives an IPv6 packet which is 2000 bytes in length. The MTU of the outgoing interface is 1500 bytes. What action will the router take？（）
forwards the packet
fragments the packet
drops the packet silently
drops the packet and sends an ICMP message
单选题 In JUNOS software， which type of encapsulation is required on a PE router for the CE-facing interface in a Martini-based VPN？（）
ATM
CCC
HDLC
Ethernet
单选题 Given the topology displayed in the exhibit. All links have an OSPF metric of 10.The link between Router A and Router B is in area 0.0.0.0. All other links are in area 0.0.0.1.What does Router A do with packets destined for Network Z？（）
Forwards them to Router B
Forwards them to Router C
Detects a routing loop and discards them.
Forwards them to Router B and Router C alternately.
多选题 Firewall filter policers can perform which two actions？（）
Set the next hop.
Discard packets.
Set the loss priority.
Sample the packet content.
多选题 What are three examples of a provider-provisioned VPN supported by JUNOS software？（）
L2F
PPTP
Circuit cross-connect
Draft-Martini-based VPNs
Draft-Kompella-based VPNs
单选题 In JUNOS software， what is required to dedistribute RIP routes into OSPF？（）
Apply an export policy in RIP
Apply an import policy in RIP
Apply an export policy in OSPF
Apply an import policy in OSPF
单选题 What is the Draft-Kompella control plane based on？（）
IGP
LDP
BGP
MPLS
单选题 What is the correct virtual link configuration on an OSPF router？（）
area 0.0.0.0{ linkneighbor-id 172.168.18.2 transit-area 0.0.2.1；}
area 0.0.0.0{ virtual-linkneighbor-id 172.168.18.2 transit-area 0.0.2.1；}
area 0.0.0.1{ virtual-linkneighbor-id 172.168.18.2 transit-area 0.0.2.1；}
area 0.0.2.1{ virtual-linkneighbor-id 172.168.18.2 transit-area 0.0.0.0；}
单选题 Which statement would prevent the sending of redundant route advertisements when your route reflector cluster is fully meshed？（）
set protocolbgpgroupmygrouppath-selectioncisco-non-deterministic；
set protocolbgpgroup i-bgp n-aggreator-id；
set protocolbgpgroupmygroup no-client-reflect；
set protocolbgpgroup i-bgp damping
单选题 How is a tie broken in Auto-RP？（）
Lowest IP address
Highest IP address
Lowest MAC address
Highest MAC address
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