The architecture of a replica set affects the set’s _________ and capability.
  • a) scalability
  • b) capacity
  • c) performance
  • d) all of the mentioned
Point out the wrong statement.
  • a) Even number of members ensures that the replica set is always able to elect a primary
  • b) Arbiters do not store a copy of the data and require fewer resources
  • c) You may run an arbiter on an application server or other shared process
  • d) None of the mentioned
The standard replica set deployment for production system is a ___-member replica set.
  • a) two
  • b) three
  • c) four
  • d) five
_________ for a replica set is the number of members that can become unavailable and still leave enough members in the set to elect a primary.
  • a) Fault tolerance
  • b) Reliability
  • c) Security
  • d) None of the mentioned
Point out the correct statement.
  • a) Removing a member to the replica set does not always increase the fault tolerance
  • b) The secondary is the only member in the replica set that receives write operations
  • c) Fault tolerance is an effect of replica set size, but the relationship is not direct
  • d) None of the mentioned
Without a primary, a replica set cannot accept ________ operations.
  • a) read
  • b) write
  • c) read write
  • d) all of the mentioned
_________ member is used to support dedicated functions, such as backup or reporting.
  • a) Hidden
  • b) Primary
  • c) ViewState
  • d) None of the mentioned
To protect your data if your main data center fails, keep at least _______ member in an alternate data center.
  • a) one
  • b) two
  • c) three
  • d) none of the mentioned
What should be the priority of member to prevent them from becoming primary?
  • a) 0
  • b) 1
  • c) 2
  • d) 3
_________ sets also allow the routing of read operations to specific machines.
  • a) Field
  • b) Read
  • c) Tag
  • d) All of the mentioned
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