
Referring to the exhibit, you want to avoid using STP and the LAG is configured on ae0.
Which function would you use to prevent a Layer 2 loop?
A. GRES
B. VRRP
C. RTG
D. LACP
正解:C
質問 2:
Which three statements are true regarding RSTP and its default behavior? (Choose three.)
A. All switch ports operating in the point-to-point mode have a quicker recovery time than switch ports operating in shared mode.
B. TCN BPDUs are generated and flooded when switch ports transition to the discarding state.
C. Nonedge ports must receive at least one BPDU every six seconds to remain operational.
D. All switch ports must pass through the listening and learning states before they can be placed in the forwarding state.
E. Edge ports are automatically placed in the forwarding state when they are operational.
正解:A,C,E
質問 3:
Which statement is true about STP on an EX Series switch?
A. The root bridge is the switch with the highest bridge I
B. STP automatically rebuilds the tree when the topology changes.
C. STP builds loop-free paths in nonredundant Layer 2 networks.
D. STP requires MSTP to also be configured.
正解:B
質問 4:
Which configuration allows the virtual IP address to respond to pings?
A. [edit interfaces fe-0/0/0 unit 50 family inet address 192.168.0.12/24]
user@RouterA# show
vrrp-group 50 {
virtual-address 192.168.0.1;
fast-interval 250;
preempt;
accept-data;
}
B. [edit interfaces fe-0/0/0 unit 50 family inet address 192.168.0.12/24]
user@RouterA# show
vrrp-group 50 {
virtual-address 192.168.0.1;
fast-interval 250;
accept-icmp;
}
C. [edit interfaces fe-0/0/0 unit 50 family inet address 192.168.0.12/24]
user@RouterA# show
vrrp-group 50 {
virtual-address 192.168.0.1;
priority 220;
advertise-interval 10;
preempt;
accept-packets;
}
D. [edit interfaces fe-0/0/0 unit 50 family inet address 192.168.0.12/24]
user@RouterA# show
vrrp-group 50 {
virtual-address 192.168.0.1;
fast-interval 250;
no-preempt;
no-accept-data;
}
正解:A
質問 5:
Which statement describes the operation of a stub area?
A. A stub area receives all routes from all other areas.
B. A stub area receives no external routes from other areas.
C. A stub area receives only a default route.
D. A stub area is automatically configured based on the presence of the E-bit in the hello messages sent from the ABR.
正解:B
質問 6:
You execute the operational-mode command show ospf neighbor and notice that one neighbor relationship remains in the exStart state. What causes this behavior?
A. The dead interval does not match on each end of the link.
B. The MTU does not match on each end of the link.
C. The authentication parameters do not match on each end of the link.
D. The area IDs do not match on each end of the link.
正解:B
質問 7:
Configuring bpdu-timeout-action enables which protection mechanism?
A. root protection
B. BPDU protection
C. RSTP protection
D. loop protection
正解:D
質問 8:
Under which hierarchy do you configure OSPF?
A. [edit protocols ospf]
B. [edit protocols igp]
C. [edit routing-options]
D. [edit routing-protocols]
正解:A
解説: (Pass4Test メンバーにのみ表示されます)
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木村** -
この通りに行えば、必ず合格出来るようになってます。本JN0-343試験は非常に簡単なので頑張ってください。