E20-655 online test-Isilon Specialist Exam for Platform Engineers

1. When setting up SmartConnect initially in DNS, what type of record needs to be created for a SmartConnect Zone?

AAAA

2. In what form does Isilon’s SmartConnect SIP answer DNS queries?

A negative answer

Anauthoritative answer

A non-authoritative answer

A positive answer

3. What is the function of the SmartConnect service IP?

Resolves cluster names only does not resolve external names

Used by a DNS server to forward SmartConnect zone lookups to the cluster

Defines the name that clients use when connecting to the cluster across the network

Acts as a DNS server IP address to answer questions for top level domain

4. The SmartConnect Service IP acts as which component of the DNS system?

Authoritative Name Server

Root Server

Recursive Resolver

Reverse Lookup Zone

5. You have been asked to configure SmartConnect basic on an Isilon cluster.

Which load balancing connection policy should be configured?

Network Throughput

CPU Usage

Round Robin

Connection Count

6. The customer has an information security policy which forbids DNS delegations to Isilon clusters.

What should you tell the customer about the consequences of this?

SmartConnect relies upon DNS delegation to operate, and other load balancing technologies lack SmartConnect’s integration with the cluster.

SmartConnect relies upon DNS delegation to operate, but other load balancing technologies can substitute for SmartConnect without disadvantage.

SmartConnect can operate normally without DNS delegation by integrating with Isilon supported external load balancing technologies.

SmartConnect can operate normally without DNS delegation, but licensed features will not be available to the customer.

7. Which characteristic is present in dynamic pool configuration?

Only allocates a single IP address per NIC

IP addresses do not failover if node is lost

Best for NFSv2 and NFSv3 clients

Best for SMB and NFSv4 clients

8. You are monitoring your customer’s cluster and find that almost all of the client activity is occurring on Logical Node Number 1.

What is a potential cause of this?

Only LNN 1 is configured in AIMA.

The CELOG coalescer service is hung.

The AutoBalance job is not running.

SmartConnect is not configured correctly.

9. How many SIP addresses are allowed per Isilon cluster subnet?

One

Two

Eight

Depends on the number of nodes

10. A customer reports that their SMBv2 clients are not successfully failing over from one node to another when nodes reboot, even though they licensed and configured Smart Connect.

What should you tell the customer?

Smart Connect will not handle node failures unless the DNS server has been configured to delegate resolution to the cluster.

SMBv2 will fail over correctly once the customer’s Smart Connect installation is configured for dynamic pools.

SMBv2 is a stateful protocol, and will not fail over from node to node without reconnection.

Smart Connect can handle the node failures but an SMB-aware load balancer will make the transition seamless.

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E20-655 online test-Isilon Specialist Exam for Platform Engineers

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