Your network contains a DNS server that runs Windows Server 2008 R2 Service Pack 1 (SP1). You need to prevent the DNS server from accepting updates for cached resource records until the time-to-live…

The correct answer is D. Regedit E. 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…

Configuring IP Addressing, DNS, and DHCP

Question

Your network contains a DNS server that runs Windows Server 2008 R2 Service Pack 1 (SP1). You need to prevent the DNS server from accepting updates for cached resource records until the time-to-live (TTL) value of the cached resource records expires. Which tool should you use? (Each correct answer presents a complete solution. Choose two.)

Options

AServer Manager
BNetsh
CDNS Manager
DRegedit
EDnscmd
FDns

How the community answered

(40 responses)

A
5% (2)
B
15% (6)
C
8% (3)
D
70% (28)
F
3% (1)

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.

Topics

#DNS cache locking#TTL#Regedit#Dnscmd

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