Add questions (#2128)

* Add JSON question

* add IT Operation question

* add question to Windows Server

it-operations/it-operations-quiz.md

@@ -198,3 +198,10 @@
 - [ ] Its power output can be varied to save electricity.
 - [x] Its cables are detachable.
 - [ ] It has dedicated power reserved for different computer components.
+
+#### Q23. Which program controls the Windows startip sequence?
+
+- [x] MSCONFIG
+- [ ] Task Manager
+- [ ] the Computer Management Console
+- [ ] the UEFI

json/json-quiz.md

@@ -798,4 +798,18 @@ Note: None of the above options appear to be correct. A correct answer would be
 - [ ] There is no defined limit.There is no defined limit.
 - [ ] 1 million
 
+#### Q73. What is the recommended term used to refer to multiple resources?
+
+- [ ] a swarm
+- [x] multiple resources
+- [ ] a collection
+- [ ] a group
+
+#### Q74. Does JSON support signed numbers?
+
+- [ ] yes, but only if they are enclosed in quotes
+- [ ] only with integers
+- [x] no
+- [ ] yes
+
 

windows-server/windows-server-quiz.md

@@ -376,4 +376,11 @@
 - [ ] Open mmc.exe
 - [ ] Run dcpromo.exe
 - [ ] Click Add Roles and Features.
-- [ ] Click the notification flag in the Server Manager windows.
+- [x] Click the notification flag in the Server Manager windows.
+
+#### Q52. You want to host two virtual machines on the same physical server. Their memory settings in Hyper-V are set to optimize the use of physical memory for each virtual machine. What makes this optimization possible?
+
+- [ ] dynamic memory
+- [ ] memory buffer
+- [x] virtual memory
+- [ ] ReadyBoost