156-315.81 : Check Point Certified Security Expert R81 Exam

156-315.81 Dumps
156-315.81 Braindumps
156-315.81 Real Questions
156-315.81 Practice Test
156-315.81 Actual Questions


Checkpoint
156-315.81
Check Point Certified Security Expert R81
https://killexams.com/pass4sure/exam-detail/156-315.81
Question: 53
A Zookeeper ensemble contains 3 servers.
Over which ports the members of the ensemble should be able to communicate in default configuration? (select three)
A. 2181
B. 3888
C. 443
D. 2888
E. 9092
F. 80
Answer: A,B,D
Explanation:
2181 – client port, 2888 – peer port, 3888 – leader port
Question: 54
You are running a Kafka Streams application in a Docker container managed by Kubernetes, and upon application
restart, it takes a long time for the docker container to replicate the state and get back to processing the data .
How can you improve dramatically the application restart?
A. Mount a persistent volume for your RocksDB
B. Increase the number of partitions in your inputs topic
C. Reduce the Streams caching property
D. Increase the number of Streams threads
Answer: A
Explanation:
Although any Kafka Streams application is stateless as the state is stored in Kafka, it can take a while and lots of
resources to recover the state from Kafka. In order to speed up recovery, it is advised to store the Kafka Streams state
on a persistent volume, so that only the missing part of the state needs to be recovered.
Question: 55
A producer is sending messages with null key to a topic with 6 partitions using the DefaultPartitioner. Where will the
messages be stored?
A. Partition 5
B. Any of the topic partitions
C. The partition for the null key
D. Partition 0
Answer: A
Explanation:
Message with no keys will be stored with round-robin strategy among partitions.
Question: 56
A kafka topic has a replication factor of 3 and min.insync.replicas setting of 2 .
How many brokers can go down before a producer with acks=all can’t produce?
A. 0
B. 2
C. 1
D. 3
Answer: C
Explanation:
acks=all and min.insync.replicas=2 means we must have at least 2 brokers up for the partition to be available
Question: 57
How can you gracefully make a Kafka consumer to stop immediately polling data from Kafka and gracefully shut
down a consumer application?
A. Call consumer.wakeUp() and catch a WakeUpException
B. Call consumer.poll() in another thread
C. Kill the consumer thread
Answer: A
Explanation:
See https://stackoverflow.com/a/37748336/3019499
Question: 58
A Zookeeper ensemble contains 5 servers .
What is the maximum number of servers that can go missing and the ensemble still run?
A. 3
B. 4
C. 2
D. 1
Answer: C
Explanation:
majority consists of 3 zk nodes for 5 nodes zk cluster, so 2 can fail
Question: 59
You have a Kafka cluster and all the topics have a replication factor of 3. One intern at your company stopped a
broker, and accidentally deleted all the data of that broker on the disk .
What will happen if the broker is restarted?
A. The broker will start, and other topics will also be deleted as the broker data on the disk got deleted
B. The broker will start, and won’t be online until all the data it needs to have is replicated from other leaders
C. The broker will crash
D. The broker will start, and won’t have any data. If the broker comes leader, we have a data loss
Answer: B
Explanation:
Kafka replication mechanism makes it resilient to the scenarios where the broker lose data on disk, but can recover
from replicating from other brokers. This makes Kafka amazing!
Question: 60
In the Kafka consumer metrics it is observed that fetch-rate is very high and each fetch is small .
What steps will you take to increase throughput?
A. Increase fetch.max.wait
B. Increase fetch.max.bytes
C. Decrease fetch.max.bytes
D. Decrease fetch.min.bytes
E. Increase fetch.min.bytes
Answer: E
Explanation:
This will allow consumers to wait and receive more bytes in each fetch request.

User: Vasily***** Killexams.com is an excellent website where my goals came true. Their Questions and Answers material added the spark I needed to study and helped me achieve superb marks in my 156-315.81 exam. It is easy to pass any exam with the help of their test material. Thank you for everything. Keep up the incredible work.

User: Sashya***** I am proud of my score of 89% on the 156-315.81 exam, which I achieved within 7 days of planning. Initially, I found the exam problems to be too intense, making my preparation challenging. To make things easier, I used the Killexams.com practice tests, which gave me excellent support. The answers were explained clearly and concisely, making it easy to understand. I am grateful for this resource.

User: Moses***** Choosing excellent exam practice tests for 156-315.81 certification is a complicated task, but killexams.com provided me with the necessary assistance to pass the exam with ease. I had little faith in myself and never thought I would be able to get into my preferred college. However, their material helped me become fully organized, and I passed the test with their assistance. Thank you, killexams.com!

User: Dhruv***** I am still in disbelief that I passed the 156-315.81 exam, and I owe it all to Killexams.com. Without their help, I would never have achieved such a high score. I am extremely grateful to them for their invaluable assistance.

User: Nellie***** I cannot thank killexams.com enough for providing me with the practice tests for the 156-315.81 exam. The exam simulator and Questions and Answers were extremely supportive and elaborative, making my preparation for the exam much more comfortable. I highly recommend your website to anyone preparing for certification exams.

---