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Lockdown Browser / Certification Exam live session

EvidenceLock Session
Xobin logoSecure exam window · sealed
Question 4 of 1228:14 left
3 done

Which statement about database transaction isolation levels is correct?

Single answer · 2 minutes · no external resources permitted

Read committed prevents dirty reads.

Serializable allows phantom reads.

Repeatable read prevents all anomalies.

Read uncommitted locks every row.

Snapshot isolation blocks all writers.

Environment sealed

Full screenClipboard off1 displayNo VMDevtools offNo screen share

Brandon Cole · session #48219 · lockdown enforced

Next question

Candidate camera

Sealed
Candidate webcam feed
Face 99.2%
SEALED
Brandon Cole · 1 person in frame14:03

Face match

99.2%

Gaze on-screen

94%

Faces in frame

1

Audio level

Quiet

Blocked attempts

Live
11:12

Paste blocked coding question 4

11:06

Full-screen exit prevented

10:58

Screenshot attempt blocked

10:51

Second display disconnected

10:47

Screen-share app closed by agent

10:44

Session locked · browser sealed

Policy held · 0 breaches →

Lockdown controls

Strict policy

Full-screen enforced

Exit attempt ends the session

Hard

Copy / paste

Clipboard disabled in editor

Blocked

Screenshots

OS-level capture refused

Blocked

Second display

Extra monitor must be disconnected

Blocked

Virtual machines

Launch refused before test starts

Blocked

Right-click & devtools

Inspect shortcuts disabled

Blocked

Screen sharing apps

Zoom, Meet, TeamViewer detected

Blocked

Printing & downloads

Question paper cannot leave window

Blocked

Screen state

Auto

Displays connected

1 of 1 allowed

Clipboard buffer

Cleared on start

Background apps

3 closed by agent

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