JN0-643 無料問題集「Juniper Enterprise Routing and Switching, Professional (JNCIP-ENT)」

（A）set interfaces ge-0/0/10 ether-options mdi-mode auto

（B）set ethernet-switching-options dot1q-tunneling ether-type 0x8100

（C）set vlans v11 dot1q-tunneling customer-vlans native

（D）set vlans cust-1 interface ge-0/0/10 egress

（A）802 1x supplicant single mode permits access for a single supplicant,all other supplicants attempting to connect through the same port are denied access

（B）802 1x supplicant single mode permit access for the first supplicant, all other applicants that connect to the port are allowed full access without further authentication

（C）802 1x supplicant single mode allows only one supplicant to connect to the port,no other supplicant is allowed to connect until the first supplicant disconnects

（D）02 1x supplicant single mode allows all supplicant to connect to the port,each supplicant is authenticated individually

（A）the route from 172.17.4.2

（B）the route from 192.168.100.1

（C）the route from 192.168.100.2

（D）the route from 172.16.4.2

（A）There is a network mask mismatch.

（B）The routers are in different areas.

（C）No BDR has been elected.

（D）There is an MTU mismatch.

（A）behavior aggregate

（B）rewrite marker

（C）multifield

（D）code point alias

（A）The bridge priority has not been configured correctly.

（B）The VLAN mapping is configured incorrectly.

（C）The MSTP revision is configured incorrectly.

（D）The region name is configured the same on both devices.

（A）Internal BGP

（B）Labeled-Unicast

（C）External BGP

（D）Confederation BGP

（A）join-timer

（B）max-age

（C）leaveall-timer

（D）leave-timer

（E）hello-interval

（A）EBGP-learned routes are redistributed into any IGPs.

（B）IBGP-learned routes are advertised only to other IBGP peers.

（C）EBGP-learned routes are advertised to other IBGP and EBGP peers.

（D）EBGP-learned routes are advertised only to other EBGP peers.

（A）RP1 stops sending SA messages for the group 224.7.7.7 from source 192.168.100.10 to
RP2.

（B）RP2 stops sending all SA messages to its peer.

（C）RP1 stops sending all SA messages to its peer.

（D）RP2 stops sending SA messages for the group 224.7.7.7 from source 192.168.100.10 to
RP1.

（A）[edit policy-options]
user@R2# show
policy-statement prefer-for-inbound {
term prepend {
then {
as-path-prepend "100 100";
accept;
}
}
}
Apply the following as an export policy towards ISP-A:

（B）[edit policy-options]
user@R1# show
policy-statement prefer-for-inbound {
term prepend {
then {
as-path-prepend "100 100";
accept;
}
}
}
Apply the following as an export policy towards R1 and R3:

（C）[edit policy-options]
user@R2# show
policy-statement prefer-for-inbound {
term local-pref {
then {
local-preference 110;
accept;
}
}
}
Apply the following as an export policy towards R2 and R3:

（D）[edit policy-options]
user@R1# show
policy-statement prefer-for-inbound {
term local-pref {
then {
local-preference 110;
accept;
}
}
}

（A）private VLAN

（B）filter-based VLAN

（C）guest VLAN

（D）dynamic VLAN registration with MVRP

（A）the traffic is serviced by the assured forwarding queue

（B）the traffic is serviced by the best effort queue

（C）the traffic is serviced by the network control queue

（D）the traffic is serviced by the expedited forwarding queues

（A）AES

（B）802 IX

（C）MD5

（D）IP sec

（A）R3 is the DR and R2 is the BDR.

（B）R2 is the DR and R3 is the BDR.

（C）R4 is the DR and R2 is the BDR.

（D）R2 is the DR and R1 is the BDR.