1. 3 cities connected with t1 lines. If the question has only 2 t1 lines, then it will work if one goes down, if it has 3 t1 lines then it will work. Look out for questions with additional lines (28.8) or RAS 28.8’s (RAS will work if there are 8 each way)
2. Copying a file from Ethernet to tokenring networks takes different amounts of time. 30 seconds one way and 5 mins the other way. This is because the packet sizes are different for Ethernet and tokenring
3. Troubleshooting network problems: You install the software and it works, but you still cannot see the network. If the systems is NetWare client, check the frame type, if it is not NetWare then check the transceiver.
4. You have a network with win95, NT and Macs.. you have many protocols. There are broadcast storms, but you have brouters. Turn off bridging on the router and user IPX and appletalk
5. To measure the bandwidth of a new CAT5 cable use a protocol analyzer.
6. The LAN protocol that supports compression is PPP, not slip or DLC
7. If anything fails after installation of an adapter card.. the IRQ setting is conflicting. One question specifies a systems not being able to boot from its scsi hard drive, in this case the card is conflicting with the scsi adapter.
8. Per trunk there should only be one grounded terminator on a 10base2 segment.
9. UNC name consists of a computer name and a share name.
10. High level protocol that allows for file and print sharing on an NT network = SMB.
11. NDIS/ODI allow multiple protocols to be used on compliant adapter cards. One answer to this is also "to allow network cards to be INDEPENDENT of protocols"
12. Only Win95 and Windows for workgroups allow share level security, WinNT uses User Level
13. If you can ping a server by IP address but cannot by name it should be WINS as the answer, but if that answer is not available it could be DNS.
14. You view a NETBIOS name on a network with WINS
15. To connect computers to DOS systems you have to use NETBIOS as the protocol
16. You find that the network is getting slower and the performance monitor reads CPU Time 4%, Page/sec 2$, Disk Utilization 44%. Install disk striping with parity (RAID 5)
17. A WAN link that allows you to use only as much bandwidth as you need is Frame Relay
18. The WAN Link that gives the most reliable connection over unreliable lines is X.25 due to its error correction.
19. Definition of Client/Server: Client makes requests, server does back end processing.
20. If two cards have the same MAC address on a network, you have to reset the MAC address to factory defaults on one of them to use them both.
21. On a question that specifies that you need to cut network utilization by 50%, and the solution is to reduce the frame size, the answer is it does not satisfy the requirements.
22. ATM is capable of data ,voice, etc etc.. over one line.
23. On a question about terminating there will be an answer that specifies "terminate the network properly" but another answer is "ground the network properly" pick ground if it is available.
24. Three names CANNOT be duplicated on a NETBIOS network, Share, Computer and WORKGROUP. Domain will be an option but do not pick it.
25. IF you want to connect to a mainframe without loading new software, use a gateway for protocol translation.
26. On a bus network it is terminated on both ends and they read 50 OHMS, one terminator is also grounded, if this is not working then replace the cable.
27. Netbios names on a network can be up to 15 letters, be sure to read the optional results if it is a word problem about this topic. I.e. 15 digit HEX address can suffice as a network name but it gives no identification like "2^nd floor" or station Ids.
28. Basic Rate Interface (BRI) ISDN are intended to replace regular phones lines.
29. Best performance on a NIC, EISA (or micro channel) with shared memory (not DMA or i/o)
30. Always use a bus topology if the network setup is going to be temporary
31. If there is a suspended ceiling, use STP, I think it’s a fire hazard safety thing.
32. Two servers are locked up in a room to add addition security to the servers, implement user level security, make users change passwords every 30 days, and enable auditing on access.
33. Assured delivery is associated with connection oriented networking, I guess that tells you what Connectionless oriented networking is associated with (not so reliable delivery)
34. There is a question where a persons computer was working OK the day before but today is messed up (cannot access the network) the answer is that its probably a faulty or disconnected cable. Physical layer is usually where you start looking for problems.
35. One question describes there being a 56K wan connection for a database server. Users complain about slowing on the server. It specifies that you have already optimized the server for the database. So the only thing left to do is to increase the bandwidth and it asks which answer gives the GREATEST performance upgrade, So the answer is to upgrade to a T1 wan connection to the database server which was the one with the greatest bandwidth.
36. If you want to monitor hubs bridges and routers on a network, I chose that you should have an SNMP management station. This can grab stuff from the hardware’s MIB (management information something) that has stats.
37. The formula for calculating bandwidth for a RAS configuration of modems is:

• • #modems * modem speed * 100/8 ß test this (i.e. (8 modems * 28800) * (100/8) = 2,880,000 or 2.88 MBS about double a t1. There is much debate about if this is right.. I am not sure, most people do not understand where the 100/8 part comes in. I think I read somewhere that it is for translating from bits to bytes.

Word Problems

Your company wants to protect the server from hardware failure and periods of downtime of 2 hours or more. There are 2 questions like this, they both ask for "tracking access to data" make sure that one of the solutions is to enable auditing. Other than that the other question does have auditing enabled and is entirely correct