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Oracle 1Z0-1089-20 Exam Syllabus Topics:
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NEW QUESTION 14
A file system is built using two BM.Standard2.52 Compute shapes for File servers. On each file server, one 25 Gbps (3125 MB/s) NIC/network card is used to connect to 10 Block Volumes of 1TB each (max. 480MB/s per volume) and other 25 Gbps NIC Is used for sending/receiving data to/from client nodes.
File system client instances which mount the file system are provisioned using VM.Standard2.16 Compute shapes. (Network bandwidth: l6.4Gbps(2050 MB/s)) What is the max aggregate IO throughput (theoretical) of the file system?
- A. 9600 MB/s
- B. 4800 MB/s
- C. 3125 MB/s
- D. 6250 MB/s
Answer: A
NEW QUESTION 15
A customer ran a Job on 2 BM.HPC2.36, and the job took 4 hours using 32 cores of each node. They later ran on 4 nodes and the Job took 3 hours. What Is the efficiency gained?
- A. 66%
- B. 50%
- C. 75%
- D. 100%
Answer: B
NEW QUESTION 16
What three data sources can Oracle Data Science draw from?
- A. Google Cloud Object Storage
- B. AWS S3 buckets
- C. Autonomous Data Warehouse
- D. Azure Object Storage Blob
- E. On-premise Oracle database
Answer: A,C,E
NEW QUESTION 17
A Linux visualization instance Is in a public subnet with security list 0.0-0.0/0 for TCP port 22. What other rule do you absolutely need to be able to connect remotely?
- A. No other additional rules are needed. It is possible to connect as is.
- B. Open all protocols for your specific IP address.
- C. Open TCP ports 5900 to 5910 for 0.0.0.0/0.
- D. Create a Stateless Egress rule for port 22-
Answer: C
NEW QUESTION 18
Compute nodes are on subnet2(l72.16.1.0/24) and there is a BM.Dense.I02.8 on subnet1.
(1 /2.16.0.0/24) that will serve as a bastion, file server and license server. The bastion will be accessed through a public IP with SSH.
Which security lists should you choose for an HPC cluster? If multiple options are possible, choose the one limiting access the most.
- A. Subnet1: 172.16-1.0/24 for port 22, subnet2: 172.16.1.0/24 for all TCP/UDP ports
- B. Subnet1: 0-0.0.0 for TCP port 22, subnet 2: 172.16.0.0/16 for TCP port 22
- C. Subnet1: 0-0.0.0 for TCP port 22, subnet 1 and 2: 172.16.0.0/23 for all TCP/UDP ports
- D. Subnet1: 0.0.0.0 for all TCP/UDP ports, subnet2: 172.16.0.0/16 for all TCP/UDP ports
Answer: A
NEW QUESTION 19
What HDFS replication factor can be used with Block Volumes to optimize cost?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION 20
Which statement Is correct about deleting an Instance Pool?
- A. Only the Instances will be deleted.
- B. Instances and boot volumes will be deleted.
- C. Instances and block volumes will be deleted.
- D. Associated Instances and attached boot volumes will be deleted; block volumes will be detached.
- E. Nothing will be deleted.
Answer: D
NEW QUESTION 21
Which is an accurate analogy for Amdahl's law?
- A. There Is no such thing as a free lunch.
- B. In track and field, the 4xl00m relay is only 17% faster than the world record for individual 400m.
- C. An orchestra can only play well together If they have a great conductor.
- D. When chopping vegetable to prepare a 4 person-meal, 2 persons are going twice as fast as one, but 8 people may not be 8 times faster.
Answer: D
NEW QUESTION 22
A customer is hesitating between running BM.Standard.E3.128 or HPC2.36 for his workload. Which statement would disqualify the AMD chip without any benchmark?
- A. Total number of processes is between 48 and 128 cores and can use RDMA.
- B. The workload is embarrassingly parallel.
- C. The workload requires about 4GB/core of memory.
- D. IO speed has a huge impact.
Answer: B
NEW QUESTION 23
Which performance benchmark tool CANNOT be used to measure IO throughput for Linux based filesystems?
- A. iPerf
- B. Vdbench
- C. IO500
- D. FIO
- E. IOR
Answer: E
NEW QUESTION 24
For customers who want to copy HDFS data from their on-premise Hadoop cluster to Oracle Cloud Infrastructure (OCI), which three are Oracle supported methods?
- A. Object Storage
- B. Data Transfer Appliance
- C. GoldenGate
- D. Fast Connect
- E. Distcp
Answer: E
NEW QUESTION 25
What minimum size of block volume with Balanced performance tier maximizes throughput for large files?
- A. 100GB
- B. 32TB
- C. 1TB
- D. 10TB
Answer: B
NEW QUESTION 26
A customer has a Spark workload they are considering moving to Oracle Cloud Infrastructure (OCI). What option should they consider?
- A. Big Data Service
- B. Oracle Data Flow
- C. Self-managed Spark deployment
- D. Self-managed Hadoop deployment
Answer: B
NEW QUESTION 27
You've spun up a GPU instance with the standard OEL linage (GPU version) from the console network on Oracle Cloud Infrastructure (OCI).
What action do you need to do In order to be able to visualize your desktop remotely?
- A. Open a remote serial console.
- B. Install Open MPl for distributed GPU access.
- C. Install a desktop and a VNC server.
- D. Install NVIDIA drivers.
Answer: D
NEW QUESTION 28
When running a high memory workload, what should be your machine of choice?
- A. BM.Standard.E2.64
- B. BM.GPU3.8
- C. BM.Standard.E3.128
- D. BM.HPC2.36
Answer: C
NEW QUESTION 29
What are the three components for configuring autoscallng on Oracle Cloud Infrastructure (OCI)?
- A. Monitoring Is enabled on the instances in the instance pool.
- B. You have Bare Metal instances.
- C. You have a load balancer.
- D. You have an instance pool.
- E. The instance pool supports the maximum number of instances that you want to scale to.
Answer: A,B,C
NEW QUESTION 30
A customer wants to store small files (KBs) workload in a filesystem.
What two options should you use to measure performance for this filesystem?
- A. High IOPS
- B. CPU processor clock speed for faster processing
- C. Low Latency
- D. Amount of Memory on file servers
Answer: D
NEW QUESTION 31
Which three are available on Oracle Cloud Infrastructure (OCI) as load balancing policies?
- A. Round Robin
- B. IP Hash
- C. Random
- D. Least CPU Utilization
- E. Least Connections
Answer: A,B,E
NEW QUESTION 32
You are building a filesystem to maximize throughput of large files using high performance block volume and BM.Standard2.52 as file server.
Which block volume configuration should you choose to ensure aggregate Block volume throughput is higher than network bandwidth of a file server?
- A. 6 Block Volumes of 32 TB
- B. 32 Block Volumes of 800GB
- C. 7 Block Volumes of 800GB
- D. 5 Block Volume of 32 TB
Answer: C
NEW QUESTION 33
What are two different types of Storage offerings available to build a filesystem on Oracle Cloud infrastructure (OCI)?
- A. Object Storage
- B. Local NVMe SSDs on DenselO and HPC compute shapes
- C. File Storage
- D. Block Volume Service
Answer: A
NEW QUESTION 34
Which three Hadoop distributions are supported on Oracle Cloud Infrastructure (OCI)?
- A. MapR
- B. Pivotal EMC
- C. Cloudera
- D. Hortonworks
- E. Apache Hadoop
Answer: C,D,E
NEW QUESTION 35
You are building a file system that needs to handle large files with a lot of nodes reading at the same time.
What should be your main goal?
- A. Maximize throughput.
- B. Minimize latency.
- C. Maximize Latency while keeping throughput above a certain threshold.
- D. Minimize throughput while keeping the latency low.
Answer: A
NEW QUESTION 36
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