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Consider the following grammar and the semantic actions to support the inherited type declaration attributes. Let X1, X2, X3, X4, X5 and X6 be the placeholders for the non-terminals D, T, L or L1 in the following table: Production rule Semantic action D → T L X1.type = X2.type T → int T.type = int T → float T.type = float L → L1, id X3.type = X4.type addType(id.entry, X5.type) L → id addType(id.entry, X6.type)   Which one of the following are the appropriate choices for X1, X2, X3 and X4?
Hashed shard keys use a ________ index of a single field as the shard key to partition data across your sharded cluster.
In the order of the chronological development, the longwall support systems are arranged as
P Powered support
Q Link bar and friction support
R Frame support
S Hydraulic support
How many types of sharding exist in MongoDB?
MongoDB supports sharding through the configuration of a sharded ______
MongoDB allows administrators to direct the balancing policy using ______ aware sharding.
MongoDB provides a ________ index type that supports searching for string content in a collection.
Consider the following statements in connection with deflection-type and null-type instruments: 1. Null-type instruments are more accurate than the deflection-type ones. 2. Null-type of instrument can be highly sensitive compared to a deflection-type instrument. 3. Under dynamic conditions, null-type instruments are less preferred to deflection-type instruments. 4. Response is faster in null-type instruments as compared to deflection-type instruments. Which of the above statements are correct?
Ops Manager _________ provides an interface for configuring MongoDB nodes and clusters and for upgrading your MongoDB deployment.
MongoDB Cloud Manager provides integration with Amazon Web Services (AWS) and lets you deploy new ______ instances directly from MongoDB Cloud Manager.