Explore Azure Blob storage Flashcards
What is the main purpose of Azure Blob storage?
a) Store large volumes of structured data
b) Store large volumes of unstructured data
c) Provide authentication services
d) Perform data processing tasks
b) Store large volumes of unstructured data
What is one of the primary use cases of Blob storage?
a) Serve images and documents directly to a browser
b) Manage user authentication
c) Run Machine Learning calculations
d) Secure storage accounts
a) Serve images and documents directly to a browser
What protocol is used to access objects in Blob storage?
a) TCP/IP
b) FTP
c) HTTP/HTTPS
d) SMTP
c) HTTP/HTTPS
What does a storage account provide in Azure?
a) A database for SQL queries
b) A globally accessible unique namespace for storage data
c) An identity management system
d) An automatic backup feature for virtual machines
b) A globally accessible unique namespace for storage data
Which of the following is a recommended storage account for general use with Blob storage?
a) Premium page blobs
b) Premium block blobs
c) Standard general-purpose v2
d) Premium file shares
c) Standard general-purpose v2
What is the Premium block blobs storage account recommended for?
a) Storing transactional data
b) Performing authentication processes
c) Scenarios requiring high transaction rates or small objects
d) Synchronizing user files across devices
c) Scenarios requiring high transaction rates or small objects
Which redundancy option provides read access in the event of a regional failure?
a) Locally redundant storage (LRS)
b) Zone-redundant storage (ZRS)
c) Read-access geo-redundant storage (RA-GRS)
d) Backup storage (BKS)
c) Read-access geo-redundant storage (RA-GRS)
What is the main advantage of the Hot access tier in Blob storage?
a) Lower storage cost
b) Lower access cost
c) Higher access latency
d) Access frequency restrictions
b) Lower access cost
For what type of data is the Cool access tier optimized?
a) Data with high access frequency
b) Data infrequently accessed and stored for a minimum of 30 days
c) Data accessed only during business hours
d) Data requiring quick and constant retrieval
b) Data infrequently accessed and stored for a minimum of 30 days
What is a characteristic of the Archive access tier in Azure Blob storage?
a) Quick access but higher cost
b) Recovery latency of several hours
c) High storage and access costs
d) Exclusive to structured data
b) Recovery latency of several hours
Which premium storage accounts use LRS and ZRS for redundancy?
a) Standard general-purpose v2
b) Premium file shares
c) Premium page blobs
d) Both b and c
d) Both b and c
What is recommended to reduce storage costs for infrequently accessed data?
a) Hot access tier
b) Archive access tier
c) Cool access tier
d) Dual redundancy settings
c) Cool access tier
Which of the following data types would be best stored in the Archive access tier?
a) High-resolution streaming videos
b) Frequently updated documents
c) Long-term backups that are rarely accessed
d) Temporary cache data
c) Long-term backups that are rarely accessed
In which situation does Azure recommend using Premium page blobs accounts?
a) High-performance applications using only page blobs
b) Long-term storage of unstructured data
c) General-purpose accounts with high data volume
d) File sharing between users
a) High-performance applications using only page blobs
What is an advantage of Standard general-purpose v2 accounts?
a) Support for NFS in Azure Files
b) Lower cost with ZRS
c) Exclusive to small transactions
d) Optimized for log and backup storage
a) Support for NFS in Azure Files
Which of the following is a unique identifier in Azure for accessing data stored in Blob storage?
a) Blob container name
b) Storage account
c) Blob URI
d) Blob endpoint
b) Storage account
What is the maximum number of containers that a storage account can hold?
a) 10
b) 100
c) Unlimited
d) 50
c) Unlimited
Which Blob storage type is best suited for logging data from virtual machines?
a) Block blobs
b) Append blobs
c) Page blobs
d) Container blobs
b) Append blobs
What must a container name begin with according to naming rules?
a) Uppercase letter
b) Special character
c) Letter or number
d) Lowercase letter
c) Letter or number
What is the maximum allowed length for a container name in Azure Blob storage?
a) 128 characters
b) 50 characters
c) 63 characters
d) 256 characters
c) 63 characters
How much data can a single block blob store?
a) 8 TB
b) 190.7 TiB
c) 1 PB
d) 500 GB
b) 190.7 TiB
What type of blob is designed for random access storage up to 8 TB in size?
a) Block blob
b) Append blob
c) Container blob
d) Page blob
d) Page blob
What characters are not allowed in container names in Azure Blob storage?
a) Letters and numbers
b) Dash (-) and underscores (_)
c) Uppercase letters and special symbols
d) Consecutive dashes (-)
d) Consecutive dashes (-)
What does a storage account URI in Azure Blob storage contain?
a) Container name
b) Storage account name
c) Directory name
d) Virtual machine name
b) Storage account name
Which resource forms the base address for objects in a storage account?
a) Blob endpoint
b) Container endpoint
c) Storage namespace
d) URI scheme
a) Blob endpoint
What encryption standard does Azure Storage use to protect data at rest?
a) RSA 2048-bit
b) AES 256-bit
c) DES 128-bit
d) Blowfish
b) AES 256-bit
Which encryption method does Microsoft recommend for most data protection scenarios in Azure Storage?
a) Client-side encryption
b) Hash encryption
c) Service-side encryption
d) Unencrypted data storage
c) Service-side encryption
Where must customer-managed keys be stored for Azure Storage encryption?
a) Microsoft Key Store
b) Customer’s own data center
c) Azure Key Vault or Key Vault HSM
d) Azure Active Directory
c) Azure Key Vault or Key Vault HSM
What is the purpose of client-side encryption in Azure Storage?
a) To encrypt data only after it reaches the Azure server
b) To encrypt data within the client application before uploading
c) To provide backup encryption on server-side
d) To enhance speed in data transfer
b) To encrypt data within the client application before uploading
Which encryption mode is used by Version 2 of client-side encryption in Azure Blob Storage?
a) Cipher Block Chaining (CBC)
b) Galois/Counter Mode (GCM)
c) Stream Cipher
d) Electronic Codebook (ECB)
b) Galois/Counter Mode (GCM)
What is required to switch from Microsoft-managed keys to customer-managed keys in Azure Storage?
a) Set up a custom encryption key generator
b) Store keys in Azure Key Vault
c) Enable geo-replication for the account
d) Enable encryption at a lower tier
b) Store keys in Azure Key Vault
Which access tiers are encrypted by Azure Storage by default?
a) Only the Hot tier
b) Hot, Cool, and Archive tiers
c) Only the Archive tier
d) Hot and Cool tiers only
b) Hot, Cool, and Archive tiers
In which Azure Storage encryption key management option does the customer control the encryption key?
a) Microsoft-managed keys only
b) Microsoft-managed and customer-managed keys
c) Customer-managed keys and customer-provided keys
d) Microsoft-managed keys only in Archive tier
c) Customer-managed keys and customer-provided keys
What Azure Storage resource types are encrypted by default?
a) Only Blob and Table storage
b) Only Blob and Disk storage
c) Blobs, files, disks, queues, and tables
d) Only files and tables
c) Blobs, files, disks, queues, and tables
How does Azure Storage encryption affect existing block, append, and page blobs?
a) Only new blobs are encrypted
b) Encryption applies to all blobs, including existing ones
c) Only archived blobs are encrypted by default
d) Page blobs are excluded from encryption
b) Encryption applies to all blobs, including existing ones
Who is responsible for key rotation when using customer-managed keys in Azure Storage?
a) Microsoft
b) Customer
c) Azure DevOps team
d) Azure Storage team
b) Customer
Which Azure Storage client libraries support client-side encryption for Queue Storage?
a) Only .NET and Java
b) .NET and Python
c) Java and Python
d) Only .NET
b) .NET and Python
What encryption mode is used in Version 1 of client-side encryption for Azure Storage?
a) Cipher Block Chaining (CBC)
b) Galois/Counter Mode (GCM)
c) Stream Cipher
d) Output Feedback (OFB)
a) Cipher Block Chaining (CBC)
Can Azure Storage encryption be disabled by the user?
a) Yes, it can be disabled
b) No, encryption is mandatory
c) Only for specific storage accounts
d) Only for certain data tiers
b) No, encryption is mandatory
Where are the customer-provided keys stored for Azure Storage?
a) Azure Key Vault only
b) Microsoft key store
c) Customer’s own key store
d) Only on the client’s device
c) Customer’s own key store
