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Microsoft 70-642 Flashcards

7 cards from real MCTS 70-642 practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

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  1. You need to configure conditional forwarding so that DNS queries for fabrikam.com are sent to 10.5.5.5. Where do you configure this in the DNS Manager?

    Answer: Conditional Forwarders node under the server

    Conditional forwarders are configured under the Conditional Forwarders node in the DNS Manager tree, per domain name.

  2. A Windows Server 2008 R2 server needs to route traffic between two subnets without using a hardware router. Which role service must be installed?

    Answer: Routing and Remote Access (LAN routing)

    Enabling LAN routing in RRAS (Routing and Remote Access) allows a Windows server to forward packets between multiple network interfaces.

  3. An administrator configures IPsec transport mode between two servers. What portion of the packet is protected?

    Answer: Only the IP payload (transport-layer data), not the original IP header

    IPsec transport mode encrypts and/or authenticates the payload while keeping the original IP header intact, used for end-to-end host communication.

  4. Which DNS record type is used to resolve an IPv6 address to a hostname (reverse lookup for IPv6)?

    Answer: PTR record in ip6.arpa zone

    PTR records in the ip6.arpa reverse lookup zone map IPv6 addresses back to hostnames, equivalent to in-addr.arpa for IPv4.

  5. You suspect a rogue DHCP server is operating on your network. Which command shows the IP address of the DHCP server that leased an address to a Windows client?

    Answer: ipconfig /all

    The 'ipconfig /all' command displays the DHCP server IP address alongside the lease details for each network adapter.

  6. A GPO-based Windows Firewall rule is deployed but does not appear to apply to a workstation. Which tool would you use first to verify that the GPO is reaching the target computer?

    Answer: gpresult /r

    Gpresult /r shows the Resultant Set of Policy applied to the computer, allowing you to verify which GPOs are applied and detect any filtering or WMI filter issues.

  7. You configure a DHCP superscope on Windows Server 2008. What is the primary purpose of a superscope?

    Answer: To group multiple scopes so a server can assign addresses from any member scope to clients on a single physical segment

    A superscope groups multiple scopes so the DHCP server can service clients on a single physical network that spans multiple logical IP subnets (multinetting).