Per customer business requirements, a system's high availability is more important than message reliability.
Which of the following should be set?
A. The linger.ms should be set to '0'.
B. The number of brokers in the cluster should be always odd (3, 5. 7 and so on).
C. Message retention.ms should be set to -1.
D. Unclean leader election should be enabled.
正解:D
解説: (Pass4Test メンバーにのみ表示されます)
質問 2:
Multiple clients are sharing a Kafka cluster.
As an administrator, how would you ensure that Kafka resources are distributed fairly to all clients?
A. Quotas
B. Consumer Groups
C. ACLs
D. Rebalancing
正解:A
解説: (Pass4Test メンバーにのみ表示されます)
質問 3:
Why does Kafka use ZooKeeper? (Choose two.)
A. To access information about the leaders and partitions
B. To scale the number of brokers in the cluster
C. To prevent replication between clusters
D. For controller election
正解:A,D
解説: (Pass4Test メンバーにのみ表示されます)
質問 4:
You have a cluster with a topic t1 that already has uncompressed messages. A new Producer starts sending messages to t1 with compression enabled.
Which condition would allow this?
A. Never, because topic t1 already has uncompressed messages.
B. If the new Producer is configured to use compression.
C. Only if the new Producer disables batching.
D. Only if Kafka is also enabled for encryption.
正解:B
解説: (Pass4Test メンバーにのみ表示されます)
質問 5:
What are benefits to gracefully shutting down brokers? (Choose two.)
A. It will sync all its logs to disk to avoid needing to do any log recovery when it restarts.
B. It will automatically re-elect leaders on restart.
C. It will balance the partitions across brokers before restarting.
D. It will migrate any partitions the server is the leader for to other replicas prior to shutting down.
正解:A,D
解説: (Pass4Test メンバーにのみ表示されます)
質問 6:
Kafka broker supports which Simple Authentication and Security Layer (SASL) mechanisms for authentication? (Choose three.)
A. SASL/OAUTHBEARER
B. SASL/OTP
C. SASL/SAML20
D. SASL/GSSAPI (Kerberos)
E. SASL/PLAIN
正解:A,D,E
解説: (Pass4Test メンバーにのみ表示されます)
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Furuya -
合格した。しかも高得点おお ありがとうございます!
Pass4Testの問題集は助かりました。