Juniper JN0-351 問題集

質問 1：
What are two characteristics of RSTP alternate ports? (Choose two.)
A. RSTP alternate ports provide an alternate lower cost path to the root bridge.
B. RSTP alternate ports block traffic while receiving superior BPDUs from a neighboring switch.
C. RSTP alternate ports provide an alternate higher cost path to the root bridge.
D. RSTP alternate ports are active ports used to forward frames toward the root bridge.
正解：B,C
解説: (Topexam メンバーにのみ表示されます)

質問 2：
Which two mechanisms are part of building and maintaining a Layer 2 bridge table? (Choose two.)
A. blocking
B. flooding
C. listening
D. learning
正解：B,D
解説: (Topexam メンバーにのみ表示されます)

質問 3：
What is the default keepalive time for BGP?
A. 10 seconds
B. 60 seconds
C. 90 seconds
D. 30 seconds
正解：B
解説: (Topexam メンバーにのみ表示されます)

質問 4：
Which two statements correctly describe RSTP port roles? (Choose two.)
A. The alternate port is a standby port for an edge port.
B. The root port is responsible for forwarding data to the root bridge.
C. The backup port is used as a backup for the root port.
D. The designated port forwards data to the downstream network segment or device.
正解：B,D
解説: (Topexam メンバーにのみ表示されます)

質問 5：
Two routers share the same highest priority and start time.
A. The routers perform another DR election.
B. The router with the highest MAC address become the DR
C. In this situation, what is evaluated next when determining the designated router? The router with the lowest router ID become the DR.
D. The router with the highest router ID becomes the DR
正解：D
解説: (Topexam メンバーにのみ表示されます)

質問 6：
Exhibit

You are troubleshooting an issue where traffic to 192.168.10.0/24 is being sent to R1 instead of your desired path through R2.
Referring to the exhibit, what is the reason for the problem?
A. R1's route is the best path due to a higher local preference
B. R2's route is not the best path due to a lower origin code.
C. R1's route is the best path due to the shorter AS path.
D. R2's route is not the best path due to loop prevention.
正解：A
解説: (Topexam メンバーにのみ表示されます)

質問 7：
You are asked to create a new firewall filter to evaluate Layer 3 traffic that is being sent between VLANs. In this scenario, which two statements are correct? (Choose two.)
A. You should apply the firewall filter to the appropriate VLAN.
B. You should create a family inet firewall filter with the appropriate match criteria and actions.
C. You should create a family Ethernet-switching firewall filter with the appropriate match criteria and actions.
D. You should apply the firewall filter to the appropriate IRB interface.
正解：B,D
解説: (Topexam メンバーにのみ表示されます)