JN0-303单项选择题每日一练(2019.01.20)

单项选择题
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？（）
A.forwards the packet
B.fragments the packet
C.drops the packet silently
D.drops the packet and sends an ICMP message
单项选择题
What is a function of the OSPF Type 7 LSA？（）
A.It describes the reachability of routes in stub areas.
B.It describes the reachability of routes in totally-stubby areas.
C.It describes the reachability of routes in not-so-stubby areas.
D.It describes the reachability of routes in partially-stubby areas.
单项选择题
A BGP router has the following configuration： protocols{ bgp{ export[policy-1 policy-2 policy-3]； }} policy-options{ policy-statementpolicy-2 { termget-statics{ fromprotocol static； thenaccept； } termreject-all { thenreject； } } policy-statementpolicy-1 { termget-aggregate { fromprotocol aggregate； thenaccept； } termreject-all { thenreject； } } policy-statementpolicy-3 { termget-ospf { fromprotocol ospf； thenaccept； } termreject-all { thenreject； } } } Which policy term is evaluated first when exporting routes？（）
A.get-ospf
B.reject-all
C.get-statics
D.get-aggregate
单项选择题
In JUNOS software， which would prevent an OSPF router from importing the 10.0.0.4/30 summary route？（）
A.Import policies are not allowed， so this is not possible.
B.Export policies are not allowed， so this not possible.
C.Apply a firewall filter matching 10.0.0./4/30 and reject the route.
D.Apply an import policy matching 10.0.0.4/30 and reject the route.
单项选择题
Which represents a correct PE-PE BGP configuration for an L3 VPN？（）
A.A
B.B
C.C
D.D