70-642 Question #342: Real Exam Question with Answer & Explanation

The correct answer is A. Regedit F. Dnscmd. Open an elevated command prompt. Type the following command, and then press ENTER: dnscmd /Config /CacheLockingPercent <percent> Restart the DNS Server service. To configure cache locking using the Windows interface Click Start, click Run, type regedit.exe, and then press ENTER.

Question

Your network contains a DNS server that runs Windows Server 2008 R2 Service Pack 1 (SP1). You need to enable cache locking on the DNS server. Which tool should you use? (Each correct answer presents a complete solution. Choose two.)

Options

ARegedit
BDns
CNetsh
DDNS Manager
EServer Manager
FDnscmd

Explanation

Open an elevated command prompt. Type the following command, and then press ENTER: dnscmd /Config /CacheLockingPercent <percent> Restart the DNS Server service. To configure cache locking using the Windows interface Click Start, click Run, type regedit.exe, and then press ENTER. In Registry Editor, open HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\DNS\Parameters. If the CacheLockingPercent registry key is not present, right-click Parameters, click New, click DWORD (32-bit) Value, and then type CacheLockingPercent for the name of the new registry Double-click the CacheLockingPercent registry key. Under Base, choose Decimal, under Value data type a value from 0 to 100 for the cache locking percent, and then click OK. Close Registry Editor. Restart the DNS Server service.

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