MCTS 70-642 Quality Control & Assurance 4

Question 1

Your QA process requires verifying that Windows Server 2008 correctly logs failed network logon attempts. Which event ID in the Security log indicates a failed NTLM network logon?

Accepted Answer

4625

Answer

Event ID 4625 is logged when an account fails to log on, including failed network (NTLM) authentication attempts with the failure reason code.

Question 2

A quality review shows that a DHCP server occasionally fails to update DNS records for dynamically assigned clients. Which DHCP setting controls whether the DHCP server performs DNS dynamic updates on behalf of clients?

Accepted Answer

DNS tab → Always dynamically update DNS records

Answer

The DNS tab on DHCP server properties controls dynamic DNS update behavior, including whether updates are always performed or only when the client requests it.

Question 3

During network QA testing, you use Network Monitor 3.4 to verify traffic encryption. Which frame field confirms that IPsec ESP is encrypting the payload?

Accepted Answer

IP Protocol field = 50

Answer

IP Protocol number 50 identifies Encapsulating Security Payload (ESP), which encrypts and optionally authenticates the packet payload.

Question 4

You are validating that a Windows Server 2008 VPN server enforces the requirement that only MS-CHAPv2 is used for PPTP connections. Where is this authentication protocol restriction configured?

Accepted Answer

Network Policy Server policy → Constraints → Authentication Methods

Answer

NPS network policies contain Authentication Methods constraints that specify which protocols (MS-CHAPv2, EAP, etc.) are permitted for each connection type.

Question 5

A QA auditor asks you to demonstrate that the WINS server replication partners are synchronizing correctly. Which tool shows replication partner status and last replication time?

Accepted Answer

WINS console → Replication Partners node

Answer

The Replication Partners node in the WINS MMC console shows each partner's type (push/pull), status, and last successful replication timestamp.

MCTS 70-642 Exam Practice Test

MCTS 70-642 Exam Practice Test

MCTS 70-642 Quality Control & Assurance 4