| Coverage : DHCP
WINS
IPSEC
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| 1. | Sam's network consists of windows server 2003 environment and Windows XP as client computers. DHCP service has been configured to provide 192.168.0.0/24 dynamic ip address. A new subnet 193.168.0.0/24 has been configured which is connected to a router. The user in new network complains that they are unable to get the address from DHCP server. Users in 192.168.0.0/24 have no problems with the DHCP server. What may be the cause of the problem? |
| a. | | Wrong default gateway configured with new subnet |
| b. | | Install a new DHCP server in new subnet |
| c. | | Install DHCP relay agent on new subnet |
| d. | | DNS server has been configured with incorrect resource records
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| 2. | DHCP server has been configured with a scope of 192.168.0.0/24. A user in the same network has no problem in getting the address from DHCP server. But the remote subnet with 193.168.0.0/24 are unable to get the address from DHCP server. DHCP relay agent has been configured on the router running windows server 2003 with correct addresses. How can this problem be solved? |
| a. | | Create a new scope of 193.168.0.0/24 subnet in DHCP server |
| b. | | DHCP server is not authorized |
| c. | | Run the net start dhcpserver command in DHCP server |
| d. | | Run the dns/flushdns command to clear cache
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| 3. | Administrator has installed and configured DHCP server in windows 2003 .He wants to check which processing mode the client sends their MAC address to the DHCP server.Which part of mode should be checked from Network Monitor? |
| a. | | DHCP DISCOVER |
| b. | | DHCP OFFER |
| c. | | DHCP REQUEST |
| d. | | DHCP ACK
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| 4. | One of the administrators of a company is worried that some rogue DHCP server provides the TCP/IP configurations to clients, weakening the network security. How can he be assured that only DHCP server installed by him can assign the configurations to clients? |
| a. | | Authorize DHCP server in the Active Directory |
| b. | | Implement the Internet Connection Firewall |
| c. | | Apply Group Policies for restricting DHCP servers |
| d. | | Bind the interface address of DHCP server in its properties rxcd
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| 5. | A DHCP server has been configured in windows 2003 server with two scopes, 192.168.0.0/24 and 193.168.0.0/24 subnet. DHCP Relay Agent has been installed on router running on Windows 2003 Server. Users on both subnets are getting the dynamic addresses from DHCP server. But they are unable to access each other's resources. When they perform ping commands for remote subnets, ping fails.But the local ping is working. Identify the cause. |
| a. | | Run the ipconfig/flushdns command on DHCP server |
| b. | | Restart the dhcp server |
| c. | | Enter the default gateway address in scope options of DHCP server |
| d. | | DHCP relay agent deny access to remote clients
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| 6. | The network administrator is running windows server 2003 domain.WINS server is installed for minimizing broadcast traffic. One network.APIPA is enabled for making the network simple. ICS is enabled to distribute internet access to users. What may be the reason for the complaint that some users are unable to access network resources while accessing internet? |
| a. | | Local network became inaccessible while ICS was on |
| b. | | The WINS server is restarted |
| c. | | No default gateway address has been configured on client computers |
| d. | | DHCP relay agent is installed
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| 7. | A network consists of one DHCP server running on Windows server 2003 server and client on windows 2000 and later versions.Which of the following packets will be sent by the DHCP clients for confirming conflict detection? |
| a. | | Gratuitous ARP |
| b. | | Proxy ARP |
| c. | | Reverse ARP |
| d. | | Inverse ARP
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| 8. | A DHCP server is installed on windows server 2003 server with a scope from 192.168.0.1 to 192.168.0.200. A client is reserved with address of 192.168.0.150. Later on, a new DHCP server is configured with the same scope.The user whose address was reserved complains that he is unable to receive the same address from DHCP server. What should the network administrator do so that the reserved client gets the same address? |
| a. | | Restart the DHCP server |
| b. | | Run ipconfig/release command |
| c. | | Create superscope on each DHCP server |
| d. | | Create same reservation on second DHCP server
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| 9. | One DHCP server is configured in network running on windows server 2003. A scope of 192.168.0.1/24 is created for Windows XP clients for 10 hours of TTL limit. Harry's network consists of 1000 clients and they all are complaining of slow access to servers. Later,he discovers a lot of broadcast traffic generating on the network. How should he reduce the traffic for minimizing this unnecessary traffic enhancing network performance? |
| a. | | Restart the DHCP server |
| b. | | Run the ipconfig/flushdns command on each client |
| c. | | Increase the TTL limit |
| d. | | Set the conflict detection attempt
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| 10. | Which of the following components/protocols is required for relaying broadcast traffic of DHCP client for DHCP server across another network? |
| a. | | BootP |
| b. | | DHCP Relay Agent |
| c. | | WINS Proxy Agent |
| d. | | SNMP
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| 11. | Emanuel, the administrator of a company, installed a DHCP server on windows server 2003 for the production subnet 192.168.0.0/24. A new subnet 193.168.0.0/24 is placed for sales thesegment behind the router. He wants the sales segment to be able to communicate with production. The following actions have been taken:
DHCP relay agent on the router is installed
RRAS as software router is configured
Proper address has been assigned to the router
Client is configured with the address of Default Gateway
DHCP Relay Agent is configured with the interfaces and address of DHCP server
Which of the following tasks are performed by following these actions? |
| a. | | Sales department will be assigned the address from DHCP server |
| b. | | DHCP Relay agent will get the address from DHCP server on behalf of clients |
| c. | | Clients on sales subnet can access the production subnet |
| d. | | Clients can communicate by using static addresses across the router
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| 12. | The network consists of windows server 2003 domain. DHCP server has been installed to assign the IP address to windows XP clients. When DHCP windows is opened in the server, a duplicate address assigned by DHCP server is found. How can this assignment be avoided so that duplicate ip addresses are not assigned? |
| a. | | Enable conflict detection attempt |
| b. | | Restart the DHCP server |
| c. | | Enable dynamic updates on windows server |
| d. | | Use the nbtstat -RR command on windows server
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| 13. | Harry's network has a single domain abc.com running Windows Server 2003 having 500 clients on Windows XP. Clients on the network are configured as DHCP clients. As the network grows, the DHCP database fragmenting as the leases from clients renews and re-freshes. Harry needs to compact the DHCP database to release free space. Which command line utility can be used to defragment DHCP database? |
| a. | | netsh |
| b. | | jetpack |
| c. | | netpack |
| d. | | defrag
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| 14. | Allen is the network administrator of his company. DHCP server is installed and configured on windows server 2003 to allocate address to his network's clients running on Windows XP. DHCP server database is backed up. When he restores the database from back-up, dhcp server doesnot start. Identify the cause. |
| a. | | Inconsistent DHCP database |
| b. | | DHCP server is not authorized |
| c. | | Reconcile the DHCP scope |
| d. | | Restart the DHCP server
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| 15. | Sam is using DHCP server running on windows server 2003 in his network and it consists of 1000 dhcp clients.100 new clients have been added and included in the range of DHCP server scope.But new client computers are not getting the addresses from the newly created range. How can this problem be solved? |
| a. | | Restart the DHCP server |
| b. | | Use user class options in DHCP server |
| c. | | Authorize the dhcp server |
| d. | | Install DHCP Relay Agent |
| e. | | Run the ipconfig/flushdns commant on each client
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| 16. | Which of the following operating systems can be configured as DHCP Relay Agent? |
| a. | | Windows XP |
| b. | | Windows NT 4.0 workstation |
| c. | | Windows 2000 server |
| d. | | Windows 2003 enterprise edition
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| 17. | Which packet is forwarded by DHCP Relay Agent to DHCP Server on behalf of DHCP Clients? |
| a. | | Broadcast |
| b. | | Multicast |
| c. | | Unicast |
| d. | | Multihomed
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| 18. | The network consists of one WINS server running on Windows Server 2003 and 500 clients on Windows XP. Which option can be used in Enable Burst Handling in WINS console so that only 500 clients can query for registration and renewals? |
| a. | | Low |
| b. | | High |
| c. | | Medium |
| d. | | Average
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| 19. | Which of the following command can be used to display the local NETBIOS Table? |
| a. | | netstat |
| b. | | nbtstat |
| c. | | nslookup |
| d. | | dcdiag |
| e. | | movetree
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| 20. | Which of the following replication is recommended in WINS environment which doesnot generate broadcast traffic on network? |
| a. | | push |
| b. | | pull |
| c. | | AXFR |
| d. | | IXFR
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| 21. | The order in which WINS P-node works is: |
| a. | | Cache, wins server, broadcast, lmhosts |
| b. | | Cache, broadcast, lmhosts |
| c. | | Cache, wins server, lmhosts |
| d. | | None of the above
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| 22. | WINS server has been installed on Windows Server 2003 for reducing broadcast traffic on administrator Jack's network. There are multiple WINS server for load balancing and for fault-tolerance. Later on, he discovers that deleted records are reappearing on WINS server from where they are deleted. Give a solution to this problem. |
| a. | | Scavenge the deleted records |
| b. | | Tombstone the deleted records |
| c. | | Back-up the deleted records |
| d. | | Run jetpack
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| 23. | How can the administrator forcibly release and renew the client entries on WINS server? |
| a. | | nbtstat -RR |
| b. | | nbtstat -an |
| c. | | nbtstat -RS |
| d. | | nbtstat - AS
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| 24. | Which two of the following events should occur when the Windows Server 2003 push replication starts? |
| a. | | When the WINS server starts |
| b. | | When some amount of time has passed |
| c. | | When there is any change in WINS database |
| d. | | When the WINS server stops
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| 25. | Which type of network should the WINS proxies be installed on? |
| a. | | b-node |
| b. | | p-node |
| c. | | h-node |
| d. | | m-node
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| 26. | Sammy the network administrator, installs a Windows Server 2003 as WINS server in his HQ. As his network expands, various branch offices are opened at different locations. HQ and Branches are connected through slow WAN links. Clients at branch generates a lot of lookup traffic for HQ. How should he minimize the lookup traffic between client and server? |
| a. | | Configure WINS forward lookups between client and server |
| b. | | Configure Pull replication between WINS servers |
| c. | | Configure the alternate DNS server address in clients |
| d. | | Reduce the extinction time interval
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| 27. | The network administrator for company abc.com is running Active Directory in Windows Server 2003. Users in the network save their confidential data on a server named server1. He wants the communication between client and server to be secure and the data saved on server1 should be encrypted. What action should he take? |
| a. | | Install Enterprise Certificates and set clients for autoenrollment |
| b. | | Use EFS for encrypting data on server1 |
| c. | | Assign the Secure Server policy on server1 and Client Only policy on clients. |
| d. | | Run the netsh ipsec dynamic command on server1
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| 28. | How should the administrator be informed about the packets filtered by IPsec in windows server 2003 instead of being told by Windows Firewall? |
| a. | | Source address |
| b. | | Destination address |
| c. | | IP protocol number |
| d. | | Source and destination TCP and UDP ports |
| e. | | All of the above
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| 29. | Which of the following statements are true regarding IPsec in Windows Server 2003? |
| a. | | Hosts need a unicast source and destination address |
| b. | | The route between communicating hosts must be secure |
| c. | | Unsecure route can support secure communication through ipsec |
| d. | | Secure communication requires hosts to be in same subnet
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| 30. | Allen is the network administrator of his company. His network consists of Windows Server 2003. Network clients are using Windows XP and 200 professional computers for connecting the server. IPsec is deployed for a secure network. One of the managers uses VPN over dial-up from his home for connecting the company server. Later on, it is discovered that communication from dial-up is not secured. Identify the causes. |
| a. | | Ipsec doesnot support dynamic addressing |
| b. | | IPsec cannot be used with VPN |
| c. | | Third part VPN clients might disable the IPsec |
| d. | | Use PPTP protocol for secure communication
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| 31. | The network consists of one windows server 2003 and 2000 clients running on Windows XP, 2000 and Windows 98. When the administrator disables NetBIOS over TCP/IP on server, Windows 98 clients complain that they are unable to browse the resources from server but other clients have no problem. How should this be rectified? |
| a. | | Instruct clients to cancel the logon while logging in windows 98 |
| b. | | Install NetBEUI on client computers |
| c. | | System prior to windows 2000 will be unable to access resources if NetBIOS is disabled |
| d. | | Configure windows 98 clients as WINS clients
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| 32. | Which of the following commands can be used by the administrator in Windows Server 2003 to check the IPsec configurations and rules? |
| a. | | netsh ipsec static |
| b. | | netsh ipsec dynamic |
| c. | | netsh dump |
| d. | | None of the above
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| 33. | Which of the following statements is true regarding implementation of IPsec policy on organisation unit and domain in Windows Server 2003? |
| a. | | Both are contradictory, hence no policy will be applied |
| b. | | Domain policies takes precedence over an OU |
| c. | | OU policies takes precedence over domain policies |
| d. | | Ipsec policies cannot be applied on OU
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| 34. | The network administrator applied IPsec policy in Windows Server 2003 for securing network communication. The ipsec policy was defined in an OU named sales and all users where secure communication was required added to that OU. Later on, he planned to change the current security structure.This change demanded him to delete the current policy. But after some time he discovered that users were still affected with the old IP sec policy. Identify the cause. |
| a. | | Domain policies were overriding OU policies |
| b. | | Policy had not been unassigned before deletion |
| c. | | Run ipsecmon to find the current database structure |
| d. | | Run ipconfig/flushdns command
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| 35. | Which of the following protocol can be used over VPN with IPsec for secure communication in Windows Server 2003? |
| a. | | PPTP |
| b. | | L2TP |
| c. | | PPP |
| d. | | EAP |
| e. | | SLIP
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| 36. | The network consists of one Windows Server 2003, 500 Win XP and 1000 Windows 2000 client systems and all are running on workgroup. The administrator has created an IP sec policy on all client computers with Kerberos rule specified for authentication. Later on, users report that they can ping each other by the IP address but are unable to access resources on the server. What may be the possible cause of the problem? |
| a. | | Install latest service pack on each client computer |
| b. | | Use default Client Only policy for network security |
| c. | | Enable automatic key generation for encryption algorithms |
| d. | | Kerberos cannot be used as authentication mechanism in workgroup
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