Microsoft Azure Interview Questions in Visakhapatnam
36 practice questions with answers for Microsoft Azure interviews in Visakhapatnam.
Microsoft Azure jobs in Visakhapatnam
Visakhapatnam (Vizag) has a developing IT market with delivery centres, start-ups and IT parks around Rushikonda. Many local candidates also apply to Hyderabad and remote roles, so a mix of service and product styles is common.
Below are 36 questions that match the mix of service, product and domain employers hiring azure cloud support associates in Visakhapatnam.
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01
Create a VNet with two subnets and an NSG rule using Azure CLI.
An availability set spreads VMs across fault domains (separate racks, power and switches) and update domains (rebooted at different times) inside one datacenter, giving a 99.95% SLA. Availability zones place VMs in physically separate datacenters within a region, giving 99.99%. Zones protect against a full datacenter outage; availability sets only protect against rack and maintenance failures. New designs prefer zones where the region supports them.
Azure Resource Graph is a fast query service over resource metadata across all subscriptions you can access, using KQL. It is used for inventory, compliance checks and finding orphaned resources, such as unattached disks or public IPs, much faster than looping through APIs. The portal's All resources view and Azure Policy compliance use it. Results reflect configuration, not performance metrics.
Service Health shows the health of Azure services in your regions: service issues happening now, planned maintenance, health advisories and security advisories, plus retirement notices. Resource Health shows if a specific resource, such as a VM, is available and why not. Set activity log alerts on Service Health so the team gets notified for incidents affecting their subscriptions and regions, instead of finding out from users.
05
An App Service cannot connect to an Azure SQL database behind a private endpoint. How do you troubleshoot?
Confirm the app has regional VNet integration into a subnet that can reach the private endpoint subnet. Check DNS first: from the Kudu console, nslookup the SQL server name; it must resolve to the private IP through privatelink.database.windows.net linked to the VNet. Then check NSGs, UDRs sending traffic to a firewall that blocks port 1433, and whether SQL public access is disabled as expected.
PIM gives just-in-time, time-bound access to privileged Entra ID roles and Azure RBAC roles. Users are eligible, not permanently assigned, and must activate the role for a few hours with justification, MFA and optionally approval. Every activation is audited and access reviews remove stale eligibility. It reduces standing admin access, which is a key control against compromised accounts. It needs Entra ID P2 or governance licensing.
07
What are Virtual Machine Scale Sets and their orchestration modes?
VMSS manages a group of load-balanced VMs that scale in or out automatically on metrics or schedules. Flexible orchestration, now the default, lets you mix VM sizes, spread across zones and fault domains, and manage instances like normal VMs. Uniform mode uses identical instances from one model and is optimised for large stateless fleets. Use VMSS for stateless web tiers, batch workers and custom container hosts.
08
An order system needs reliable, ordered messaging between services. Would you pick Queue Storage or Service Bus, and why?
Queue Storage is cheap and simple, holds millions of messages up to 64 KB each, and suits basic background work. Service Bus is an enterprise broker with queues and topics, FIFO through sessions, duplicate detection, dead-lettering, transactions and messages up to 100 MB on Premium. Choose Service Bus for ordered or business-critical messaging like orders and payments, and Storage queues for simple, high-volume job queues.
09
Create an Azure SQL Database with Entra-only authentication using Azure CLI.
Create the logical server with an Entra admin group and no SQL logins, then the database:
az sql server create -g rg-data -n sql-shop-prod -l centralindia \
--enable-ad-only-auth \
--external-admin-principal-type Group \
--external-admin-name grp-sql-admins \
--external-admin-sid <group-object-id>
az sql db create -g rg-data -s sql-shop-prod -n shopdb \
--edition GeneralPurpose --family Gen5 --capacity 2 \
--zone-redundant true --backup-storage-redundancy Zone
10
Upload a folder to Blob Storage with AzCopy using Entra ID login.
Log in with AzCopy and copy recursively; the user needs the Storage Blob Data Contributor role:
azcopy login --tenant-id <tenant-guid>
azcopy copy './reports' \
'https://stshopprod.blob.core.windows.net/reports' \
--recursive --overwrite ifSourceNewer
AzCopy runs transfers in parallel and can resume failed jobs with azcopy jobs resume.
11
What is a Shared Access Signature (SAS) and what types exist?
A SAS is a signed URL token granting limited access to storage for a set time and permissions, such as read-only for one blob for one hour. A user delegation SAS is signed with Entra ID credentials and is the most secure. A service SAS and an account SAS are signed with the account key. Always use HTTPS, short expiry and stored access policies so tokens can be revoked.
12
Write a lifecycle management rule to tier and delete log blobs.
Conditional Access is the Entra ID policy engine that decides how users sign in. Policies combine signals like user or group, app, location, device compliance, client app and sign-in risk, then grant access, require MFA or a compliant device, or block. For example, require MFA for all admins and block legacy authentication. It requires Entra ID P1, and risk-based policies need P2.
14
Explain the hierarchy of management groups, subscriptions, resource groups and resources.
A tenant (Microsoft Entra ID directory) holds a root management group. Management groups contain subscriptions, subscriptions contain resource groups, and resource groups contain resources such as VMs and storage accounts. Policies and RBAC assigned at a higher level are inherited downward. Subscriptions are also billing and quota boundaries, so companies often separate prod, non-prod and sandbox into different subscriptions.
15
How does encryption at rest and in transit work in Azure?
All Azure Storage, managed disks and Azure SQL data is encrypted at rest with AES-256 by default using Microsoft-managed keys. You can switch to customer-managed keys in Key Vault for control over rotation and revocation, and use double encryption or confidential computing for stricter needs. In transit, services use TLS 1.2 or higher, and you should enforce HTTPS only and minimum TLS version settings.
16
How do you enable diagnostic settings at scale for all resources?
Use Azure Policy with deployIfNotExists definitions, such as the built-in initiatives for enabling resource logs to a Log Analytics workspace by category group. Assign them at the management group, create a remediation task for existing resources and let new resources be configured automatically. This avoids teams forgetting to enable logs, which is common when resources are created outside the pipeline.
17
Write a simple HTTP-triggered Azure Function in Python (v2 programming model).
The v2 model uses decorators in function_app.py, so no function.json is needed:
import azure.functions as func
app = func.FunctionApp(http_auth_level=func.AuthLevel.FUNCTION)
@app.route(route='hello', methods=['GET'])
def hello(req: func.HttpRequest) -> func.HttpResponse:
name = req.params.get('name', 'world')
return func.HttpResponse(f'Hello, {name}', status_code=200)
Callers pass the function key in the code query parameter or x-functions-key header.
Azure Arc extends the Azure control plane to servers, Kubernetes clusters and data services running on-premises or in other clouds. Once connected, those machines appear as Azure resources, so you can apply Azure Policy, RBAC, tags, Defender for Cloud, Update Manager and monitoring to them. It suits hybrid companies that keep some servers in their own datacenter but want one governance model.
19
What is Azure Kubernetes Service (AKS) and what does Azure manage for you?
AKS is managed Kubernetes. Azure runs the control plane, including the API server and etcd, and handles upgrades and its availability. You manage node pools, which are VM scale sets, plus workloads, networking choices and add-ons. AKS integrates with Entra ID for cluster login, Azure CNI for pod networking, ACR for images, Key Vault via CSI driver and Azure Monitor Container Insights for logs and metrics.
20
A team accidentally deleted a production resource group. How do you prevent this in future?
First recover what is possible: soft delete or backups for storage, Key Vault, SQL and VMs. Then add CanNotDelete locks on production groups, remove Owner and Contributor rights from individual users, and grant access through Entra groups with Privileged Identity Management for just-in-time elevation. Deploy infrastructure through pipelines only, and set activity log alerts on delete operations so the team is notified instantly.
21
Your company is choosing between Bicep and Terraform for its Azure estate. What would you recommend?
Bicep is Azure-only, needs no state file, supports new resource features immediately and has native what-if previews. Terraform works across many clouds and SaaS providers, has a huge module ecosystem, and keeps a state file that must be stored securely, for example in a Blob Storage backend with locking. Choose Bicep for Azure-only teams and Terraform for multi-cloud or existing Terraform skills.
22
What is Durable Functions and what patterns does it support?
Durable Functions is an extension that lets you write stateful workflows in code. An orchestrator function calls activity functions, and the framework checkpoints state to storage so it survives restarts. Patterns include function chaining, fan-out/fan-in, async HTTP APIs with status polling, monitors and human interaction with timeouts. Orchestrator code must be deterministic, so avoid DateTime.Now or random values inside it.
Azure DNS hosts public DNS zones on Microsoft's global name servers so you can manage records like A and CNAME with RBAC. Private DNS zones resolve names only inside linked VNets, used for internal names and private endpoints. For hybrid name resolution, Azure DNS Private Resolver lets on-premises DNS forward queries into Azure and Azure forward queries back on-premises without custom DNS VMs.
24
What is Azure Firewall and how is it different from an NSG?
Azure Firewall is a managed, stateful, centralised firewall with network and application rules, FQDN filtering, threat intelligence and, in the Premium SKU, TLS inspection and IDPS. NSGs are distributed basic filters on subnets and NICs. Typically NSGs control traffic within and between subnets, while Azure Firewall in a hub controls internet egress and cross-spoke traffic with central logging.
Incremental mode, the default, adds or updates resources in the template and leaves others untouched. Complete mode deletes resources in the resource group that are not in the template, which is risky. Deployments can target resource group, subscription, management group or tenant scope; for example, policies and resource groups are created at subscription scope. Deployment stacks now offer safer managed cleanup than complete mode.
26
How do you let an App Service connect to Azure SQL using its managed identity?
Enable the app's managed identity, then in the database, connected as an Entra admin, create a user for it and grant roles:
CREATE USER [app-shop-prod] FROM EXTERNAL PROVIDER;
ALTER ROLE db_datareader ADD MEMBER [app-shop-prod];
ALTER ROLE db_datawriter ADD MEMBER [app-shop-prod];
Use a connection string with Authentication=Active Directory Default, so no password is stored anywhere.
27
How do you configure autoscale for an App Service plan?
In the plan's Scale out settings, choose rules-based autoscale or automatic scaling. A typical rule set: scale out by 1 instance when average CPU exceeds 70% for 10 minutes, scale in by 1 when below 30% for 10 minutes, minimum 2 and maximum 10 instances. Always pair scale-out with a scale-in rule and a cool-down period so the plan does not flap between sizes.
ADLS Gen2 is a storage account with hierarchical namespace enabled, adding real directories, atomic renames and POSIX-style ACLs on top of Blob Storage. It is the storage layer for analytics engines such as Azure Databricks, Synapse and Microsoft Fabric. Directory operations become fast, which matters for Spark jobs. You keep Blob pricing and tiers but must plan ACLs and RBAC together.
An RU is a normalised measure of the CPU, memory and IO needed for an operation. A point read of a 1 KB item costs about 1 RU, while writes and queries cost more depending on size, indexing and complexity. You pay for provisioned RU/s, autoscale RU/s or serverless consumption. Requests beyond the limit get HTTP 429 and must retry, so measure RU charge from response headers.
Spot VMs use spare Azure capacity at discounts that can reach about 90%, but Azure can evict them with 30 seconds notice when it needs capacity or the price passes your limit. Use them for interruptible work such as batch rendering, CI build agents, test environments and big data jobs with checkpointing. Never use them for stateful production databases or anything that cannot tolerate sudden loss.
Microsoft runs Central India (Pune), South India (Chennai) and West India (Mumbai) as public regions, plus Jio India West and Jio India Central for specific customers. Central India supports availability zones. Indian companies pick these regions for low latency and for data residency needs such as RBI guidelines on payment data, often pairing Central India with South India for disaster recovery.
32
What are soft delete, versioning and immutable storage for blobs?
Soft delete keeps deleted blobs or containers for a retention period so you can restore them. Versioning saves the previous version automatically each time a blob is overwritten. Immutable storage applies time-based retention or legal hold policies in WORM mode, so nobody, not even an admin, can delete or change data until it expires. Regulated firms use immutability for audit records and ransomware protection.
33
What is the difference between an app registration and a service principal?
An app registration is the global definition of an application in its home tenant, with client ID, redirect URIs, API permissions and credentials. A service principal is the local instance of that app in a tenant, used for sign-in and role assignments. One multi-tenant app registration can have service principals in many tenants. Managed identities are special service principals whose credentials Azure manages.
34
How would you reduce the cost of many idle dev and test databases?
Move them to serverless General Purpose with auto-pause, or into an elastic pool if they are always on but lightly used. Use Azure Hybrid Benefit if you own SQL licences, use the Azure Dev/Test pricing offer for non-production subscriptions, delete databases nobody has connected to in months, and use smaller backup retention and LRS backup storage for non-production.
35
A developer accidentally overwrote important files in Blob Storage. How do you recover and prevent it?
If versioning was on, promote the previous version; if soft delete was on, undelete within the retention period. Point-in-time restore can roll back a whole container if enabled. If none were enabled, recovery may only be from backups. Going forward, enable versioning, soft delete and Azure Backup for blobs, give developers read-only roles in production and route writes only through the application identity.
36
Your Log Analytics bill is very high. How do you reduce it?
Run the usage query on the Usage table to see which tables and resources ingest most. Remove debug or duplicate logs at the source, use data collection rules with transformations to drop columns or filter rows, and move verbose tables to Basic or Auxiliary plans. Set a daily cap for non-production workspaces, shorten interactive retention and use commitment tiers if ingestion is steady above 100 GB per day.
Few big employers listed in Visakhapatnam?
Many Visakhapatnam candidates also apply to teams in Hyderabad and to remote or hybrid roles. Practise the Hyderabad set as well.
Which companies hire Microsoft Azure professionals in Visakhapatnam?
Companies with large offices in Visakhapatnam include many IT services and product firms. Use their company pages below to practise employer-specific sets.
Are Microsoft Azure interviews in Visakhapatnam different from other cities?
The questions depend more on the company than the city. Visakhapatnam's mix of employers decides the style: Many local candidates also apply to Hyderabad and remote roles, so a mix of service and product styles is common
How do I find Microsoft Azure jobs in Visakhapatnam?
Shortlist companies with Visakhapatnam offices, keep your CV focused on Microsoft Azure projects, apply on company career pages and job portals with the Visakhapatnam filter, and practise the questions on this page before each interview.