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質問 1：
IGP routes can be installed into the BGP routing table by running either the network or import-route command.
A. TRUE
B. FALSE
正解：A
質問 2：
If the value of hold timers in the Open messages sent by Peer A and Peer B are 180s and 90s respectively, then what is the interval at which the Keepalive messages are sent after a BGP connection is established between these two peers?
A. 90s
B. 60s
C. 30s
D. 180s
正解：C
質問 3：
We can prevent a router from ever becoming a DR or BDR by configuring an OSPF Priority of zero,
A. TRUE
B. FALSE
正解：A
質問 4：
Which of the following statements regarding the IP address 224.0.0.1 are correct? (Select 2 answers)
A. It is a private IP address
B. It represents all the hosts and routers
C. It represents all the routers
D. It is a multicast IP address
正解：B,D
質問 5：
Which of the following statements regarding BGP route selection rules are true? (Select 3 answers)
A. A summarized route takes precedence over a non-summarized route.
B. BGP initially ignores routes with unreachable next hops,
C. IBGP routes take precedence over EBGP routes.
D. If all other factors are the same, the route with the shortest length cluster list is preferred.
正解：A,B,D
質問 6：
Which command triggers the advertisement of BGP routes without interrupting a BGP connection?
A. Refresh bgp all internal
B. Refresh bgp all external
C. RR-filter
D. Reset bgp
正解：B
質問 7：
By default, the cost of an OSPF interface is calculated based on the bandwidth. The formula to calculate the cost is reference bandwidth/interface bandwidth.
A. TRUE
B. FALSE
正解：A
IGP routes can be installed into the BGP routing table by running either the network or import-route command.
A. TRUE
B. FALSE
正解：A
質問 2：
If the value of hold timers in the Open messages sent by Peer A and Peer B are 180s and 90s respectively, then what is the interval at which the Keepalive messages are sent after a BGP connection is established between these two peers?
A. 90s
B. 60s
C. 30s
D. 180s
正解：C
質問 3：
We can prevent a router from ever becoming a DR or BDR by configuring an OSPF Priority of zero,
A. TRUE
B. FALSE
正解：A
質問 4：
Which of the following statements regarding the IP address 224.0.0.1 are correct? (Select 2 answers)
A. It is a private IP address
B. It represents all the hosts and routers
C. It represents all the routers
D. It is a multicast IP address
正解：B,D
質問 5：
Which of the following statements regarding BGP route selection rules are true? (Select 3 answers)
A. A summarized route takes precedence over a non-summarized route.
B. BGP initially ignores routes with unreachable next hops,
C. IBGP routes take precedence over EBGP routes.
D. If all other factors are the same, the route with the shortest length cluster list is preferred.
正解：A,B,D
質問 6：
Which command triggers the advertisement of BGP routes without interrupting a BGP connection?
A. Refresh bgp all internal
B. Refresh bgp all external
C. RR-filter
D. Reset bgp
正解：B
質問 7：
By default, the cost of an OSPF interface is calculated based on the bandwidth. The formula to calculate the cost is reference bandwidth/interface bandwidth.
A. TRUE
B. FALSE
正解：A
Ozawa -
H12-221に合格しました。また次回もここにお世話になりたいと思います。H12-221の知識がない未経験者、学生の方でもついてこれるぐらいに初歩からじっくり学べるのは良い点