Computer Networks

You are the system administrator for a small office. You have two Windows Server 2003 computers and 25 client computers on a network. There is no plan for expansion or modification of the network. You need to configure the network so that the client computers receive their IP addresses automatically at startup. You also need to make sure that the addresses received are private IP addresses for internal use only. What should you do? (Choose two options.)

You are the network administrator for your company. You install two servers running Microsoft Windows Server 2003 and 70 client computers on the network. All computers on the network receive their IP addresses automatically from a DHCP server. You are unable to connect to other computers on the network from Computer_A. You run the ipconfig utility on Computer_A and receive the following results: IP Address: 0.0.0.0 Subnet Mask: 0.0.0.0 . What could be the cause of the problem? (Choose two options.)

You are the network administrator for Toys World, Ltd. The network consists of a single DNS domain named toysworld.com. You replace a UNIX server with a Windows Server 2003 computer named Srv1. Srv1 is the DNS server and Start of Authority (SOA) for toysworld.com. A UNIX server named Srv2 is the mail server for toysworld.com. You receive reports that Internet users cannot send e-mail to the toysworld.com domain. You need to ensure that Internet users can send e-mail to the toysworld.com domain. What should you do?

Your domain user account is a member of the Enterprise Admins security group that is created in the forest root domain of your company's Active Directory forest. Your company has recently acquired another company, and you are working with your network administrators to integrate the computers at the offices of the new company into your network. As part of this effort, you want to delegate the responsibility of authorizing Dynamic Host Configuration Protocol (DHCP) servers to an additional security group to allow other administrators to authorize DHCP servers throughout your network. Which tool should you use?

You are a network administrator for your company. You enable Routing and Remote Access on a computer running Windows Server 2003. You plan to use Internet Protocol (IP) packet filters to manage the protocols available to remote access clients. Which component of the Routing and Remote Access console should you use to implement the IP packet filters?

Joe is the administrator for a multi-site network. He would like to configure one of his servers running Microsoft Windows Server 2003, Enterprise Edition, with Routing and Remote Access to dial a modem connection if the T1 connection goes down. How should Joe configure Routing and Remote Access to dial the modem connection only after the T1 goes down?

You are the Windows 2003 network administrator for TalkTell Mobiles company. The network contains one primary internal DNS server, named DNSInt, and one primary external DNS server, named DNSExt. Several secondary DNS servers exist on the network. DNSExt hosts only records for your company's Web, FTP, and mail servers. The Web, FTP, and mail servers have static IP addresses. When you monitor the secondary DNS server, you notice that Transfer SOA Requests Sent is high. You want to minimize the bandwidth required for the transfer of SOA requests. What should you do? (Choose two options. Each correct answer presents part of the solution.)

You are the systems administrator for a large department. You have configured the servers to require IPSec authentication and data verification for all data communications. To verify that IPSec is being used for all network communications, you have captured network traffic using Network monitor. What protocol is displayed in a Network Monitor entry when IPSec is being used to authenticate a frame?