Practice - 5 Tasks
Answer the questions below
1fill in blank
easyComplete the code to define the main purpose of GSLB.
HLD
The primary function of GSLB is to [1] user requests across multiple data centers. Drag options to blanks, or click blank then click option'
Attempts:
3 left
💡 Hint
Common Mistakes
Choosing 'store' or 'delete' which do not relate to request handling.
✗ Incorrect
GSLB routes user requests to the best data center to balance load and improve performance.
2fill in blank
mediumComplete the code to specify a key factor GSLB uses to decide routing.
HLD
GSLB often uses [1] information like server health and proximity to route traffic.
Drag options to blanks, or click blank then click option'
Attempts:
3 left
💡 Hint
Common Mistakes
Choosing 'random' or 'static' which do not reflect dynamic routing.
✗ Incorrect
GSLB uses real-time data such as server health and network latency to make routing decisions.
3fill in blank
hardFix the error in the GSLB request flow step.
HLD
User DNS query is resolved by [1] to direct traffic to the optimal data center. Drag options to blanks, or click blank then click option'
Attempts:
3 left
💡 Hint
Common Mistakes
Choosing 'random server' or 'old DNS cache' which cause incorrect routing.
✗ Incorrect
The local DNS server resolves queries using GSLB logic to route users correctly.
4fill in blank
hardFill both blanks to complete the GSLB health check logic.
HLD
GSLB performs [1] checks and [2] monitoring to ensure server availability.
Drag options to blanks, or click blank then click option'
Attempts:
3 left
💡 Hint
Common Mistakes
Choosing 'random' or 'manual' which are not automated or consistent.
✗ Incorrect
GSLB uses periodic health checks and continuous monitoring to keep track of server status.
5fill in blank
hardFill all three blanks to complete the GSLB failover mechanism.
HLD
If a data center [1], GSLB [2] traffic to a [3] data center.
Drag options to blanks, or click blank then click option'
Attempts:
3 left
💡 Hint
Common Mistakes
Choosing 'delays' which causes downtime instead of failover.
✗ Incorrect
When a data center fails, GSLB redirects traffic to a healthy data center to maintain service.