Fill in the Blank
15. You use the ________ to connect to a terminal server.
Answer: Remote Desktop Connection (RDC)
Difficulty: Medium
Section Reference: Working with Terminal Services
Explanation: When clients connect, they do so with the Remote Desktop Connection (RDC) program, which is based on the Remote Desktop Protocol (RDP).
16. _________ provides name resolution between domain names and IP addresses.
Answer: DNS
Difficulty: Medium
Section Reference: Defining DNS
Explanation: The Domain Name System (DNS) is a worldwide service that resolves hostnames to IP addresses. This facilitates proper communication between computers. DNS servers communicate with each other in a hierarchy in an effort to teach each other their name resolutions.
17. ________ allows a user to connect to a corporate network using the Internet.
Answer: VPN
Difficulty: Medium
Section Reference: Defining RRAS
Explanation: With VPNs, the inherent power of the Internet is exploited, and direct IP connections are made from clients to a VPN server or router.
Short Answer
18. What command do you use to release the IP configuration handed out by a DHCP server?
Answer: ipconfig /release
Difficulty: Medium
Section Reference: Working with DHCP
Explanation: To release an IP configuration that has been assigned by a DHCP server, you use the /renew option. This will not change any static information.
19. What command do you use to reacquire IP configuration from a DHCP server?
Answer: ipconfig /renew
Difficulty: Medium
Section Reference: Working with DHCP
Explanation: To renew a IP configuration information that has been handed out by a DHCP server, you use the ipconfig /renew command.
20. List the four steps for a client to get an IP address from a DHCP server.
Answer: Discover, Offering, Request, and Acknowledge
Difficulty: Easy
Section Reference: Working with DHCP
Explanation: DHCP sessions use a four-step process known as DORA. The four steps are as follows:
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Discovery: The client computer broadcasts out to the network in order to find a DHCP server.
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Offering: The DHCP server sends out a unicast “offering” of an IP address to the client computer.
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Request: The client broadcasts to all servers that it has accepted the offer.
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Acknowledge: The DHCP server sends a final unicast to the client that includes the IP information the client will use.
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