Juniper JN0-343 問題集

質問 1：
-- Exhibit -

-- Exhibit -
Referring to the exhibit, you must ensure that on R1 the Internet routes learned from ISP A are more preferred than Internet routes learned from ISP B.
Which statement will allow this behavior?
A. Use a policy to change the local preference value to be higher than 100 on routes learned from ISP A.
B. Use a policy to change the MED value to be higher than 0 on routes learned from ISP B.
C. Use a policy to change the MED value to be higher than 0 on routes learned from ISP A.
D. Use a policy to change the local preference value to be higher than 100 on routes learned from ISP B.
正解：A

質問 2：

You have two routers, R1 and R2, running OSPF in area 0. Router R1 is having problems with forming and adjacency with Router R2.
Referring to the exhibit, which statement is correct about the OSPF configuration in the Router R1 trace output?
A. Router R1 has the wrong interface configured for OSPF.
B. Router R2 has the wrong OSPF area configured.
C. Router R1 has the wrong OSPF area configured.
D. Router R2 has the wrong interface configured for OSPF.
正解：B

質問 3：
What does the attach bit in an IS-IS PDU indicate?
A. The L1/L2 router has reachability information to another IS-IS area.
B. The L1/L2 router is sending information from Level 1 towards Level 2.
C. The L1/L2 router is exporting a default route into the area.
D. The L1/L2 router is sending information from Level 2 towards Level 1.
正解：A

質問 4：
Which configuration summarizes external routes in the 172.16.0.0/22 range into a single prefix on an ABR for Area 1?
A. protocols {
ospf {
area 0.0.0.1 {
nssa;
area-range 172.16.0.0/22 restrict;
}
}
}
B. protocols {
ospf {
area 0.0.0.1 {
nssa {
area-range 172.16.0.0/22;
}
}
}
}
C. protocols {
ospf {
area 0.0.0.1 {
stub summaries;
}
}
}
D. protocols { ospf { area 0.0.0.1 { nssa { default-lsa { default-metric 1; metric-type 1; } } area-range 172.16.0.0/22; } } }
正解：B

質問 5：
Referring to the exhibit, what does the asterisk (*)following the ge-0/0/12.0 interface indicate?

A. It indicates the interface is active.
B. It indicates the interface is a trunk port.
C. It indicates the interface is not active.
D. It indicates the interface is an access port.
正解：A

質問 6：
On which interface would an IP address be configured for a routed VLAN interface?
A. vlan.100
B. l3-interface.100
C. ge-0/0/20.100
D. rvi.100
正解：A

質問 7：
Your network consists of four EX Series switches, configured with the following STP parameters:
S1: Bridge address - F F:33:44:77 ; Bridge priority - 16k S2: Bridge address - F F:33:44:66 ; Bridge priority - 12k S3: Bridge address - F F:33:44:99 ; Bridge priority - 8k S4: Bridge address - F F:33:44:88 ; Bridge priority - 4k
Given this information, which device will become the root bridge?
A. S3
B. S4
C. S1
D. S2
正解：B

質問 8：

Router-A and Router-B shown in the exhibit are peering between their loopback interfaces. Which operational-mode command on Router-B do you use to display the BGP routes advertised to Router-A?
A. show route advertising-protocol bgp 10.10.10.2
B. show route advertising-protocol bgp 10.10.10.1
C. show bgp neighbor 10.10.10.1 advertised-routes
D. show bgp rib-out neighbor 10.10.10.1
正解：B