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TestOut Network Pro Certification Beta REVIEW 2/2/2012. 1. Enable Remote Desktop, and allow the Mark account to connect using a Remote Desktop connection. 2. Configure the Local Area Connection network connection with static IPv4 address information for the 172.31.0.0/24 subnet:
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TestOut Network Pro Certification Beta REVIEW2/2/2012
1. Enable Remote Desktop, and allow the Mark account to connect using a Remote Desktop connection. • 2. Configure the Local Area Connection network connection with static IPv4 address information for the 172.31.0.0/24 subnet: • Use the last valid address on the subnet for the host address. • Use the first valid address on the subnet for the default gateway. • 3. Configure the Local Area Connection network connection to use the following DNS server addresses: • 192.168.36.10 (preferred DNS server) • 192.168.12.10 (first alternate DNS server) • 192.168.32.10 (second alternate DNS server) • 4. Create a wireless profile to connect to a wireless network that is not broadcasting. Use the following settings: • SSID = SunFire3BG • Security type = WPA2-Personal • Encryption = AES • Security key = abcde12345 • Configure the connection to connect automatically even if the network is not broadcasting. Easily completed these tasks! 1
1. Turn on Windows Firewall and make the following configurations: • Disable Network Discovery • Add an exception for a program and allow the Sams545 application (select the application from the list of installed applications). • Add port exceptions to allow communications from the MathWizOnline application through the firewall. The program uses UDP ports 5943 and 5944. (Choose your own name for the port exceptions you create.) • 2. Configure the Local Area Connection network connection to use the following TCP/IP configuration: • Configure the adapter to obtain IP and DNS addresses automatically. • Copy the static configuration settings to create an alternate TCP/IP connection. • Share the Internet connection on the Local Area Connection network connection, and allow all users to control the connection. Easily completed these tasks! 2
You are in charge of a small network as shown in the Exhibit. The network is connected to the Internet and uses DHCP for address assignment. A user reports that his workstation can only communicate with some computers. Use the output for the ipconfig command to identify the problem. After identifying the problem, what action should you take? Click the Done button when you have found the information you need and answer the question. ANSWER: After running IPConfig, you can see that a wrong default gateway is configured. The answer is to set proper DG on DHCP Server. 3
PC1 cannot communicate with any devices out on the Internet. Use the ping command from PC1 and PC2 to identify the problem. After identifying the problem, what action should you take? Click the Done button when you have found the information you need and answer the question. ANSWER: Can't ping past the other side of the router. Most logical answer is Restart the Default Gateway (Router) instead of other answer choices…replacing cables between devices!) 4
Use the tracert command from Wrk1 to answer the following questions: How many routers are in the path between Wrk1 and Wrk3? What is the default gateway address for Wrk1? What is the IP address of the last router in the path between Wrk1 and Wrk3? Click the Done button when you have found the information you need to answer the questions. (Very simple question!) 5
You are purchasing a wireless AP for a client and want to achieve 54Mbps. Client is using 2.4GHz wireless phones! Choices are : 802.11a , b, g, b/g and a/n dual-band I chose a and a/n dual-band. (b is only 11Mbps and g operates at 2.4GHz) 6
The MOBO Fast Ethernet NIC died and you need to replace it with an add-on. Has a picture of a PCI slot. Choices: 10Base2/Something NIC 1000BaseTX (PCIe) 100BaseTX(PCI) 100BaseTX(PCIe) Something else 7
8. You have just signed up for Internet access from NETSpeed, your local cable TV provider. To access the Internet, you are responsible for selecting and connecting the device to bridge the connection from the wall plate to your computer. • Consider: • Use the fastest connection speed available. • The wall plate has a jack, and the PC has an Ethernet LAN port. • ANSWERS: • A=RG-6 • Cable Modem/Router • B= STP Cat 5 Cable (Not sure why they’re using STP, but…) Network Device?? Cable TypeA??? Cable TypeB??? 8
Install proper network devices. • The computers and laptops must communicate with other devices outside of their local subnet. • Subnet 1 must have guaranteed bandwidth to each computer. • Harmful network traffic from the Internet should be filtered. • Choices: Hub, switch, AP, Router w/FW, Router w/o FW, Bridge • ANSWERS: • A=Switch • B=Router w/FW • C=Hub • D=WAP Internet Network Device A? Network Device B? Network Device C? Network Device D? 9 Wireless
You need to have phone conversations transmitted over the existing data net using VOIP. • Use the phone's ports to daisy chain the PCs to the rest of the net. • Do not use the regular power outlets to power phones. • Reduce the packet delay as much as possible. • **This was probably the most confusing question for me. I knew that I was going to use UTP to daisy chain the phones for the first bullet. I knew that I would need to use PoE for the second bullet. I figured I would use a QoS for the third bullet.I knew Network Device B obviously had to be a VoIP phone. However, that left me choosing one device for Network Device A. Both a router and a switch with QoS was an option, but I still needed PoE! :-/ • My Answers: • Device A=switch w/PoE • Device B=VoIP Phone • Cable A=CAT5 • Cable B=CAT5 Network Device A? Network Device B? Cable Type A??? Cable Type B??? 10
You are troubleshooting a connectivity problem. PC1 is unable to connect to Server 1. PC2 and PC3 do not have a problem. You suspect faulty cabling. Which troubleshooting step should you perform first? • Answer Choices: • Use a wire crimper to ensure the cable ends are attached to cable between both pc1 and switch and switch and Sv1. (NO! Because everyone else can talk to Sv1!) • Use a tone generator to test (NO! Because that’s for locating wiring.!) • Use a media tester to test cable between PC1 and switch (YES!) • Use a punchdown tool to test .(NO! Hello!) PC1 PC2 PC3 11 SV1
Properly connect devices using different cable types. • None of the devices use auto-MIDI. • Connection between the two switches use one uplink port and one normal port. • The connection between the switch and the router uses the switch's uplink port. • The connection between the PC and the router is a console connection for router management. • Choices: straight-through, crossover, rollover Switch Switch Cable Type A??? Cable Type B??? Cable Type C??? Cable Type D??? My Answers: A= Straight B= Cross C= Straight D= Straight E= Cross F= Rollover Router Router Cable Type F??? Cable Type E??? 12
What are the Public and Private interfaces and IP addresses on a router using NAT? IPs are 172.30.56.1 and 126.96.36.199 (Trying to be tricky!) Internet My answers: Private 172.30.56.1 Router (NAT) Switch Public 188.8.131.52 13
14. • What is the binary format of the subnet mask for Port A on the router? 255.255.255.252 • What is the decimal format of the subnet mask for Subnet 1? 255.255.255.192 • You need to configure an IP address for Port B on the router. Assuming no other IP addresses have been assigned, what is the first available IP you can use? 192.168.38.65 • You need to configure an IP address for PC1. Assuming no other IP addresses have been assigned, what is the last available IP? 192.168.38.126 • What is the broadcast address for Subnet 1? 192.168.38.127 • (My answers in bold) Subnet 1 = 192.168.38.64/26 184.108.40.206/30 Router Switch Port A Port B 14
My final score was a 79%. Needless to say, I was shocked! I thought I killed it with the potential of possibly missing the weird VoIP hookup question. I didn’t do any studying and just took it on the fly. Overall, I thought it was a great test and really enjoyed doing the hands-on configurations in the beginning. I look forward to the next edition of the Network + test possibly being in this type of format. I hope this review has been helpful!