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AZ-104-Practice > CRK-1.1-27 > Flashcards

CRK-1.1-27 Flashcards

1
Q

What must you ensure before extracting insights or creating visualizations in Log Analytics?

A

Log Analytics must be enabled and configured.

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2
Q

What is the retention period for most metrics within Azure Monitor?

A

Most metrics are retained for 93 days within Azure Monitor.

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3
Q

How long can logs stored in Log Analytics be retained?

A

Logs can be retained for up to 2 years in Log Analytics.

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4
Q

What properties do metrics have in Azure Monitor?

A

Time, type, resource, value, and optional dimensions.

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5
Q

What is the key difference in data availability between metrics and logs in Azure Monitor?

A

Metrics are gathered over time and available immediately, while logs are event-triggered and can take time to process.

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6
Q

At what intervals are Azure metrics collected?

A

Azure metrics are collected at one-minute intervals.

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7
Q

What is the retention period for classic guest OS metrics collected through diagnostic extensions?

A

14 days.

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8
Q

What is the retention period for guest OS metrics sent to Azure Monitor metrics?

A

93 days.

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9
Q

What is the retention period for guest OS metrics collected by the Log Analytics agent?

A

31 days, extendable up to two years.

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10
Q

What is the retention period for Application Insights log-based metrics?

A

90 days.

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11
Q

What kind of data does Application Insights provide for development and production monitoring?

A

Response times of dependencies, exception traces, debugging snapshots, and execution profiles.

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12
Q

What additional value does Application Insights provide when an application emits custom events?

A

Helps to debug the app and understand user interactions more effectively.

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13
Q

What resources can the Azure Backup service back up?

A

Virtual machines, SAP HANA databases in an Azure VM, Azure file share, SQL Server databases in an Azure VM.

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14
Q

What storage redundancy types should be chosen for the Recovery Services Vault in Azure Backup?

A

Geo-Redundant storage or Read Access Geo-Redundant storage.

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15
Q

How long are vault credentials valid after download in Azure Backup?

A

48 hours.

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16
Q

What does Azure Monitor provide?

A

A single pane of glass for accessing Azure metrics, tenant and resource diagnostic logs, Log Analytics, service health, and alerts.

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17
Q

What types of alerts can be configured in Azure Monitor?

A

Metric alerts, Activity Log alerts that notify by email, webhook, SMS, Logic Apps, or an Azure Automation Runbook.

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18
Q

What does Azure Log Analytics consolidate?

A

Machine data from on-premises and cloud-based workloads, indexed and categorized for quick searching.

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19
Q

What solutions does Azure Log Analytics offer to administrators?

A

Pre-built visualizations and queries for surfacing insights quickly.

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20
Q

How can queries in Log Analytics be utilized?

A

Saved for quick access, visualized, shared using Azure Dashboards, and exported to Excel and Power BI.

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21
Q

What is the Recovery Services Vault used for?

A

Configuration and management of both Backup and Site Recovery.

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22
Q

What does an Azure Backup policy define?

A

How often backups occur and how long they are retained.

23
Q

What can the Azure Backup service restore?

A

An entire virtual machine or individual files from a recovery point.

24
Q

What does the Azure Backup service protect?

A

Files and folders, applications, and IaaS virtual machines.

25
Q

What feature helps retain backup data for 14 days after deletion in Azure Backup?

A

Soft delete feature.

26
Q

What does the Azure Site Recovery service enable?

A

Replication, failover, and failback of virtual machines.

27
Q

What is required to set up Azure AD Seamless Single Sign-on (SSO)?

A

Enable Azure AD Seamless Single Sign-on for users in the Miami office.

28
Q

What tool helps identify and remediate object synchronization errors before deploying to Microsoft 365?

A

The IdFix tool.

29
Q

What are the IP ranges defined in RFC 1918 for private address spaces?

A

10.0.0.0-10.255.255.255 (10.0.0.0/8), 172.16.0.0-172.31.255.255 (172.16.0.0/12), 192.168.0.0-192.168.255.255 (192.168.0.0/16).

30
Q

What is the limitation of using public IP ranges in a VNet?

A

Virtual machines in the VNet will no longer be able to access the corresponding Internet addresses.

31
Q

What must be unique within a VNet?

A

The subnet name.

32
Q

How many IP addresses does Azure reserve from each subnet?

A

Azure reserves the first four and last IP addresses in each subnet.

33
Q

What is the purpose of a GatewaySubnet in Azure?

A

It is a special subnet used only for virtual network gateways.

34
Q

What DNS record types can be managed in Azure DNS?

A

A, AAAA, CAA, CNAME, MX, NS, PTR, SOA, SRV, TXT.

35
Q

What is required to connect two VNets?

A

They must have non-overlapping IP address spaces.

36
Q

What is the non-transitive nature of VNet peering?

A

If VNetA and VNetB are peered, and VNetB and VNetC are peered, VNetA and VNetC are not peered.

37
Q

What approach can reduce duplication of resources using a hub-and-spoke network topology?

A

Deploy shared resources in a hub VNet accessed by multiple spoke VNets.

38
Q

What setting must be enabled for VNet peerings to allow forwarded traffic?

A

The Allow Forwarded Traffic setting.

39
Q

What must be enabled on a peering connection to use a remote gateway?

A

Allow Gateway Transit.

40
Q

What does the Azure Bastion service provide?

A

Secure and seamless RDP and SSH connectivity to VMs directly in the Azure portal.

41
Q

What is Azure Application Gateway used for?

A

Managing web traffic for applications, routing it at the application layer (OSI layer 7).

42
Q

What is Azure Load Balancer (ALB) used for?

A

Load-balancing TCP and UDP traffic at the transport layer (OSI layer 4).

43
Q

What are the differences between Basic and Standard tiers of Azure Load Balancer?

A

Standard tier supports availability zones, larger backend pools, and closed by default, while Basic tier is free and open by default.

44
Q

What does Network Performance Monitor provide?

A

Monitoring for hybrid networks, including performance monitor, connectivity monitor, and ExpressRoute monitor.

45
Q

What is the purpose of the IP Flow Verify feature in Network Watcher?

A

To test if a given network flow is allowed in or out of an Azure VM.

46
Q

What is the Next Hop feature in Network Watcher used for?

A

Determining the next hop address and routing rule for a given network flow.

47
Q

What is the function of Packet Captures in Network Watcher?

A

Capturing network traffic on a given VM, either locally or to an Azure storage account.

48
Q

What does Site-to-Site VPN provide?

A

Connectivity between an on-premises network and an Azure virtual network using an encrypted tunnel over the public Internet.

49
Q

What are the requirements for an on-premises device to act as a Site-to-Site VPN endpoint?

A

It must have an Internet-facing static IPv4 address.

50
Q

What connectivity options does ExpressRoute provide?

A

Connections via a co-location facility provider, point-to-point Ethernet connection, or extending an IPVPN WAN.

51
Q

What are the two peering types supported by ExpressRoute?

A

Microsoft Peering and Private Peering.

52
Q

What does the ExpressRoute Premium Add-On provide?

A

Extended coverage to all Microsoft data centers globally and increased number of private peering routes and connected virtual networks.

53
Q

What is the primary use of a Log Analytics agent?

A

Collecting guest OS metrics and sending them to a Log Analytics workspace.

54
Q

What can be done with Application Insights data?

A

Debugging an app and understanding user interactions with custom events and exception information.

AZ-104-Practice (3 decks)

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