function CheckIt(action){var i=ans[count];if(!action){if(FORM1.Q1[i].checked){alert("Correct!");}else{alert("Incorrect.");answrong++;}}else{FORM1.Q1[i].checked ? ansright++ : answrong++;}}function CheckScore(){alert("CORRECT:     " + ansright + "\nINCORRECT:  " +  answrong);}function GoBack(){var myEl = document.getElementsByTagName("p");var mySpans = document.getElementsByTagName("span");var qnum = 0;tmpstr="";count--;qnum = count + 1;if(count < 0){count=0;alert("This is the first question!");return;}tmpstr = " " + qnum + ". " + q[count];myEl[1].innerHTML=tmpstr;mySpans[0].innerHTML=a[count];mySpans[1].innerHTML=b[count];mySpans[2].innerHTML=c[count];mySpans[3].innerHTML=d[count];}function GoNext(){var myEl = document.getElementsByTagName("p");var mySpans = document.getElementsByTagName("span");var qnum=0;tmpstr="";CheckIt(1);count++;qnum=count+1;if(count > 99){TestOver();return;}tmpstr=" " + qnum + ". " + q[count];myEl[1].innerHTML=tmpstr;mySpans[0].innerHTML=a[count];mySpans[1].innerHTML=b[count];mySpans[2].innerHTML=c[count];mySpans[3].innerHTML=d[count];ClrRadios();}function TestOver(){var myEl = document.getElementsByTagName("div");var myP = document.getElementsByTagName("p");var endscores = '<span class="bold2">Correct: ' + ansright + "<br>";endscores += "Incorrect: " + answrong + "<br>";endscores += "Percentage: " + Math.floor((ansright/(ansright + answrong))*100);endscores += "%</span>";myP[1].innerHTML="TEST OVER!";myEl[0].innerHTML=endscores;FORM1.B0.disabled=1;FORM1.B1.disabled=1;FORM1.B2.disabled=1;}function Choose(){navigate("main00.pl?Z=./test/index.html");}function GoStart(){history.go(0);ClrRadios();}function ClrRadios(){FORM1.Q1[0].checked=false;FORM1.Q1[1].checked=false;FORM1.Q1[2].checked=false;FORM1.Q1[3].checked=false;}FORM1.B0.onclick=GoBack;FORM1.B1.onclick=CheckIt;FORM1.B2.onclick=GoNext;FORM1.B4.onclick=GoStart;FORM1.B5.onclick=CheckScore;FORM1.B6.onclick=Choose;var count=0;var ansright=0;var answrong=0;var q=new Array();var ans=new Array();var a=new Array();var b=new Array();var c=new Array();var d=new Array();q[0]="The north bridge establishes which bus speed?";a[0]="A. PCI-X";b[0]="B. PCI-Express x1";c[0]="C. FSB";d[0]="D. All of the above";ans[0]="2";q[1]="The south bridge is responsible for communicating with:";a[1]="A. the CPU";b[1]="B. the RAM modules";c[1]="C. the expansion bus peripherals";d[1]="D. All of the above";ans[1]="2";q[2]="The first chipset series for the P6 family of processors was:";a[2]="A. 430xx";b[2]="B. 440xx";c[2]="C. 450xx";d[2]="D. None of the above";ans[2]="1";q[3]="The first chipset series for P6 servers was:";a[3]="A. 430xx";b[3]="B. 440xx";c[3]="C. 450xx";d[3]="D. None of the above";ans[3]="2";q[4]="The most likely Pentium III variant using an 800 series chipset would be:";a[4]="A. Celeron";b[4]="B. Katmai";c[4]="C. Tualatin";d[4]="D. All of the above";ans[4]="2";q[5]="The 800 series introduced what RAM technology?";a[5]="A. SDRAM";b[5]="B. RAMBus";c[5]="C. DDR";d[5]="D. DDR2";ans[5]="1";q[6]="The 800 series introduced what south bridges?";a[6]="A. SIO series";b[6]="B. PIIX series";c[6]="C. ICH series";d[6]="D. ICH with RAID series";ans[6]="2";q[7]="The original Intel Centrino is based on what chipset?";a[7]="A. Any 800 series";b[7]="B. 855";c[7]="C. Any 900 series";d[7]="D. None of the above";ans[7]="1";q[8]="Which of the following depends on the chipset to work?";a[8]="A. L1 cache";b[8]="B. Dynamic execution";c[8]="C. Data flow analysis";d[8]="D. VT";ans[8]="3";q[9]="Which of the following would be unlikely in an end-user chipset?";a[9]="A. PCI";b[9]="B. PCI-X";c[9]="C. PCI-Express x1";d[9]="D. PCI-Express x16";ans[9]="1";q[10]="Full support for which of the following would be unlikely in an end-user chipset?";a[10]="A. EM64T";b[10]="B. MPS";c[10]="C. EIST";d[10]="D. HT";ans[10]="1";q[11]="The most CPU&#039;s found on standard available motherboards is:";a[11]="A. 2";b[11]="B. 4";c[11]="C. 8";d[11]="D. None of the above";ans[11]="1";q[12]="The chipset determines:";a[12]="A. the number of expansion slots available";b[12]="B. the type of expansion slots possible";c[12]="C. the type of expansion slots available";d[12]="D. Both A and C";ans[12]="1";q[13]="The motherboard design determines:";a[13]="A. the number of expansion slots available";b[13]="B. the type of expansion slots possible";c[13]="C. the type of expansion slots available";d[13]="D. Both A and C";ans[13]="3";q[14]="Intel south bridges have never featured:";a[14]="A. Parallel ATA RAID";b[14]="B. Serial ATA RAID";c[14]="C. Both A and B";d[14]="D. Neither A or B";ans[14]="0";q[15]="The first Intel south bridge to feature RAID was:";a[15]="A. ICH4";b[15]="B. ICH5";c[15]="C. ICH6";d[15]="D. ICH8";ans[15]="1";q[16]="The first Intel south bridge to feature USB 2.0 was:";a[16]="A. ICH4";b[16]="B. ICH5";c[16]="C. ICH6";d[16]="D. ICH8";ans[16]="0";q[17]="The first Intel south bridge to feature PCI-Express was:";a[17]="A. ICH4";b[17]="B. ICH5";c[17]="C. ICH6";d[17]="D. ICH8";ans[17]="2";q[18]="The first Intel south bridge to feature SATA was:";a[18]="A. ICH4";b[18]="B. ICH5";c[18]="C. ICH6";d[18]="D. ICH8";ans[18]="1";q[19]="The first Intel south bridge to feature SATA-II was:";a[19]="A. ICH4";b[19]="B. ICH5";c[19]="C. ICH6";d[19]="D. ICH8";ans[19]="3";q[20]="A major difference in the 800 series for Pentium 4 vs. Pentium III was:";a[20]="A. RAM type supported";b[20]="B. Maximum amount of RAM supported";c[20]="C. QDR FSB";d[20]="D. Both A and B";ans[20]="2";q[21]="The notable feature of 900 series motherboards not available in 800 series motherboards is:";a[21]="A. AGP 8x";b[21]="B. Dual physical core processors";c[21]="C. Dual physical processors";d[21]="D. PCI-Express";ans[21]="3";q[22]="The Intel south bridge series with PCI-X support is:";a[22]="A. ICH8x";b[22]="B. ICH9x";c[22]="C. 631xESB";d[22]="D. All of the above";ans[22]="2";q[23]="Which of the following is not a function fo the PC power supply?";a[23]="A. Amplitude modulation";b[23]="B. Phase shifting";c[23]="C. Rectification";d[23]="D. Voltage reduction";ans[23]="0";q[24]="WHic of the following is an ATX specification AC power failure threshold?";a[24]="A. 70VAC for 0.5 seconds";b[24]="B. 80VAC for 2 seconds";c[24]="C. 143VAC for 1 second";d[24]="D. All of the above";ans[24]="3";q[25]="Which of the following terms means an excessive AC power failure threshold?";a[25]="A. Surge";b[25]="B. Sag";c[25]="C. Brown out";d[25]="D. All of the above ";ans[25]="0";q[26]="Which of the following devices protects computers from EMI in the AC power source?";a[26]="A. Surge protector";b[26]="B. UPS";c[26]="C. Line conditioner";d[26]="D. Ferromagnetic core UPS";ans[26]="2";q[27]="Which of the following devices protects computers from an excessive AC power failure threshold?";a[27]="A. Surge protector";b[27]="B. UPS";c[27]="C. Line conditioner";d[27]="D. Ferromagnetic core UPS";ans[27]="0";q[28]="Which of the following devices protects computers from a brown out?";a[28]="A. Surge protector";b[28]="B. UPS";c[28]="C. Line conditioner";d[28]="D. Ferromagnetic core UPS";ans[28]="1";q[29]="Which of the following devices is specifically designed to prevent switching lag in the event of an AC power interruption?";a[29]="A. Surge protector";b[29]="B. UPS";c[29]="C. Line conditioner";d[29]="D. Ferromagnetic core UPS";ans[29]="3";q[30]="The majority of end-user UPS devices are what type?";a[30]="A. Online";b[30]="B. Standby";c[30]="C. Ferromagnetic core";d[30]="D. Any of the above";ans[30]="1";q[31]="A UPS does not provide true fault tolerance against:";a[31]="A. Interruptions";b[31]="B. Sags";c[31]="C. Brownouts";d[31]="D. Blackouts";ans[31]="3";q[32]="The only item that should reside between the wall outlet and the server UPS is:";a[32]="A. A quality power cable less than 2M in length";b[32]="B. A power strip with a fresh fuse rated no higher than 30A";c[32]="C. A surge protector with an MOV based circuit";d[32]="D. None of the above";ans[32]="2";q[33]="The company has had a general contractor install an AC backup generator for the entire building, you need to install:";a[33]="A. A UPS large enough to carry the server longer than the generator switching delay";b[33]="B. An extra surge protector";c[33]="C. An extra line conditioner";d[33]="D. All of the above are recommended";ans[33]="3";q[34]="On a camping trip everything runs off of the generator except the computer, this is likely due to its excessive:";a[34]="A. Sags";b[34]="B. Surges";c[34]="C. Spikes";d[34]="D. Transients";ans[34]="3";q[35]="Starting up an AC generator is the most likely moment it could damage computers with a:";a[35]="A. Sag";b[35]="B. Surge";c[35]="C. Spike";d[35]="D. Transient";ans[35]="2";q[36]="What RAID provides no fault tolerance?";a[36]="A. RAID-0";b[36]="B. RAID-1";c[36]="C. RAID-2";d[36]="D. RAID-5";ans[36]="0";q[37]="What RAID is considered deprecated?";a[37]="A. RAID-0";b[37]="B. RAID-1";c[37]="C. RAID-2";d[37]="D. RAID-5";ans[37]="2";q[38]="Which of the following RAID&#039;s is the least efficient ($/MB)?";a[38]="A. RAID-0";b[38]="B. RAID-1";c[38]="C. RAID-2";d[38]="D. RAID-5";ans[38]="1";q[39]="Which of the following Windows server software level RAID&#039;s is the only one that is bootable?";a[39]="A. RAID-0";b[39]="B. RAID-1";c[39]="C. RAID-2";d[39]="D. RAID-5";ans[39]="1";q[40]="Which of the following RAID&#039;s requires a minimum of three physical drives?";a[40]="A. RAID-0";b[40]="B. RAID-1";c[40]="C. RAID-2";d[40]="D. RAID-5";ans[40]="3";q[41]="Which of the following RAID&#039;s is called duplexing when each drive has an independent controller?";a[41]="A. RAID-0";b[41]="B. RAID-1";c[41]="C. RAID-2";d[41]="D. RAID-5";ans[41]="1";q[42]="Which of the following RAID&#039;s is called striping?";a[42]="A. RAID-0";b[42]="B. RAID-1";c[42]="C. RAID-2";d[42]="D. RAID-5";ans[42]="0";q[43]="Which of the following RAID&#039;s is called striping with distributed block level ECC?";a[43]="A. RAID-0";b[43]="B. RAID-1";c[43]="C. RAID-2";d[43]="D. RAID-5";ans[43]="3";q[44]="Which of the following RAID&#039;s can tolerate more than one simultaneous hard drive failure?";a[44]="A. RAID1+0";b[44]="B. RAID0+1";c[44]="C. RAID6";d[44]="D. All of the above";ans[44]="3";q[45]="Which of the following RAID&#039;s requires a minimum of 4 hard drives to setup?";a[45]="A. RAID1+0";b[45]="B. RAID0+1";c[45]="C. RAID6";d[45]="D. All of the above";ans[45]="3";q[46]="Which of the following RAID&#039;s is the most efficient?";a[46]="A. RAID-0";b[46]="B. RAID-1";c[46]="C. RAID-5";d[46]="D. RAID-6";ans[46]="0";q[47]="Which of the following is the most efficient and fault tolerant RAID?";a[47]="A. RAID-0";b[47]="B. RAID-1";c[47]="C. RAID-5";d[47]="D. RAID-6";ans[47]="2";q[48]="Which form of RAID uses complete replication of all data on a second hard drive?";a[48]="A. RAID-0";b[48]="B. RAID-1";c[48]="C. RAID-5";d[48]="D. RAID-6";ans[48]="1";q[49]="Which form of RAID only splits the file across multiple hard drives?";a[49]="A. RAID-0";b[49]="B. RAID-1";c[49]="C. RAID-5";d[49]="D. RAID-6";ans[49]="0";q[50]="Which form of RAID splits the file across multiple hard drives and stores the XOR sum of the split pieces on the another drive?";a[50]="A. RAID-0";b[50]="B. RAID-1";c[50]="C. RAID-5";d[50]="D. RAID-6";ans[50]="2";q[51]="Which form of RAID splits the file across multiple hard drives and stores two independent ECC sums of the split pieces on two other drives?";a[51]="A. RAID-0";b[51]="B. RAID-1";c[51]="C. RAID-5";d[51]="D. RAID-6";ans[51]="3";q[52]="SCSI-2 introduced what new features?";a[52]="A. 10MHz version";b[52]="B. 16-bit wide data bus version";c[52]="C. 10MHz with 16-bit wide data bus version";d[52]="D. All of the above";ans[52]="3";q[53]="The maximum DTR of SCSI-2 is:";a[53]="A. 5MB/sec";b[53]="B. 10MB/sec";c[53]="C. 20MB/sec";d[53]="D. 40MB/sec";ans[53]="2";q[54]="SPI...";a[54]="A. is the first SCSI-3";b[54]="B. runs at 20MHz";c[54]="C. has a maximum DTR of 40MB/sec";d[54]="D. All of the above";ans[54]="3";q[55]="Ultra2/Wide features:";a[55]="A. 40MB/sec DTR";b[55]="B. 80MB/sec DTR";c[55]="C. 80MHz bus speed";d[55]="D. None of the above";ans[55]="1";q[56]="Ultra3 SCSI features:";a[56]="A. 80MB/sec DTR";b[56]="B. 80MHz bus speed";c[56]="C. No 8-bit wide data bus versions";d[56]="D. None of the above";ans[56]="2";q[57]="SPI-4 is:";a[57]="A. Also known as Ultra4 SCSI";b[57]="B. Runs at 80MHz";c[57]="C. Uses quad data rate 4 bits/wave signaling";d[57]="D. All of the above";ans[57]="3";q[58]="8-bit SCSI has how many unique SCSI ID&#039;s?";a[58]="A. 2";b[58]="B. 7";c[58]="C. 8";d[58]="D. None of the above";ans[58]="2";q[59]="A wide SCSI controller supports how many devices?";a[59]="A. 7";b[59]="B. 8";c[59]="C. 15";d[59]="D. 16";ans[59]="2";q[60]="Which of the following is not a wide SCSI connector?";a[60]="A. Centronics";b[60]="B. HD68 Male";c[60]="C. HD68 Female";d[60]="D. None of the above is a wide SCSI connector";ans[60]="0";q[61]="Which of the following connectors would not be found on a SCSI &quot;A&quot; cable?";a[61]="A. Female DB25";b[61]="B. Centronics";c[61]="C. Male DB25";d[61]="D. Male HD50";ans[61]="0";q[62]="The best form of SCSI terminator is:";a[62]="A. Passive 132&Omega; Terminator";b[62]="B. Active Terminator";c[62]="C. FPT";d[62]="D. All of the above are the same";ans[62]="2";q[63]="The maximum LVD SCSI bus length is:";a[63]="A. 25M";b[63]="B. 12M";c[63]="C. 6M";d[63]="D. 3M";ans[63]="1";q[64]="The maximum 20MHz SE SCSI bus length is:";a[64]="A. 25M";b[64]="B. 12M";c[64]="C. 6M";d[64]="D. 3M";ans[64]="3";q[65]="Which SCSI device cannot be mixed with any others or it will damage them?";a[65]="A. SE";b[65]="B. LVD";c[65]="C. HVD";d[65]="D. All types can be mixed";ans[65]="2";q[66]="Some SCSI devices are made to function in which two modes?";a[66]="A. SE and HVD";b[66]="B. SE and LVD";c[66]="C. LVD and HVD";d[66]="D. None of the above";ans[66]="1";q[67]="These jumpers are labeled A0-A4 left to right. What is the SCSI ID? [:] : [:] :";a[67]="A. 4";b[67]="B. 5";c[67]="C. 10";d[67]="D. None of the above";ans[67]="1";q[68]="List the following wide SCSI ID&#039;s in order of priority:";a[68]="A. 7, 6, 9, 8";b[68]="B. 9, 8, 7, 6";c[68]="C. 8, 9, 6, 7";d[68]="D. 6, 7, 8, 9";ans[68]="0";q[69]="In a 5-bit SCSI ID system, what device has the lowest priority?";a[69]="A. 31";b[69]="B. 24";c[69]="C. 23";d[69]="D. 16";ans[69]="1";q[70]="In 8-bit SCSI what SCSI ID has the highest priority?";a[70]="A. 0";b[70]="B. 1";c[70]="C. 6";d[70]="D. 7";ans[70]="3";q[71]="In wide SCSI what device ID has the highest priority?";a[71]="A. 0";b[71]="B. 7";c[71]="C. 8";d[71]="D. 15";ans[71]="1";q[72]="In wide SCSI what device ID has the lowest priority?";a[72]="A. 0";b[72]="B. 7";c[72]="C. 8";d[72]="D. 15";ans[72]="2";q[73]="Most SCSI buses have the boot device to SCSI ID #0, what ID would give it the second highest priority behind only the host controller itself and be the better choice?";a[73]="A. 1";b[73]="B. 6";c[73]="C. 7";d[73]="D. 8";ans[73]="1";q[74]="An 8-bit device jumpered as [:][:][:] would conflict with what other device on the SCSI bus?";a[74]="A. The boot drive";b[74]="B. The host controller";c[74]="C. Either A or B";d[74]="D. Neither A or B";ans[74]="1";q[75]="Backup software depends on what file attribute?";a[75]="A. Archive";b[75]="B. Read-Only";c[75]="C. Hidden";d[75]="D. System";ans[75]="0";q[76]="Which of the following backs up all files and removes the archive file attribute?";a[76]="A. Full";b[76]="B. Differential";c[76]="C. Incremental";d[76]="D. Snapshot";ans[76]="0";q[77]="Which of the following backs up all files and does not remove the archive file attribute?";a[77]="A. Full";b[77]="B. Differential";c[77]="C. Incremental";d[77]="D. Snapshot";ans[77]="3";q[78]="Which of the following backs up all files with the archive attribute and removes it?";a[78]="A. Full";b[78]="B. Differential";c[78]="C. Incremental";d[78]="D. Snapshot";ans[78]="2";q[79]="Which of the following backs up all files with the archive attribute and does not remove it?";a[79]="A. Full";b[79]="B. Differential";c[79]="C. Incremental";d[79]="D. Snapshot";ans[79]="1";q[80]="Which of the following is a two tape backup scheme?";a[80]="A. Full";b[80]="B. Differential";c[80]="C. Incremental";d[80]="D. Snapshot";ans[80]="1";q[81]="Which of the following is the basis of implementing a GFS backup scheme?";a[81]="A. Full";b[81]="B. Differential";c[81]="C. Incremental";d[81]="D. Snapshot";ans[81]="2";q[82]="Which Travan technology was never fully standardized?";a[82]="A. Travan 2";b[82]="B. Travan 3";c[82]="C. Travan 4";d[82]="D. Travan 5";ans[82]="0";q[83]="The maximum capacity of Travan 4 is:";a[83]="A. 400MB";b[83]="B. 4GB";c[83]="C. 8GB";d[83]="D. 20GB";ans[83]="2";q[84]="What tape drive technology stores multiple logical tracks rotating them in sections across the physical tracks?";a[84]="A. AIT";b[84]="B. Travan";c[84]="C. DAT";d[84]="D. DDS";ans[84]="0";q[85]="What high capacity tape standard effectively rendered Travan technologies deprecated?";a[85]="A. AIT";b[85]="B. DAT";c[85]="C. DDS-5";d[85]="D. All of the above";ans[85]="2";q[86]="A backup that copies all files but does not reset the archive attributes is called:";a[86]="A. Full";b[86]="B. Differential";c[86]="C. Incremental";d[86]="D. Snapshot";ans[86]="3";q[87]="Companies prefer to base daily backups on which basic backup type?";a[87]="A. Full";b[87]="B. Snapshot";c[87]="C. Differential";d[87]="D. Incremental";ans[87]="3";q[88]="Why do companies prefer to use the backup type in the previous question for daily backups?";a[88]="A. They take longer to create, but can be restored quickly and easily when disaster strikes";b[88]="B. They take less time to create and can be restored quickly and easily when disaster strikes";c[88]="C. They take less time to create, but will take much longer to restore when disaster strikes";d[88]="D. None of the above";ans[88]="2";q[89]="Why should a system whose OS and data files reside on a hardware level RAID-6 be regularly backed up?";a[89]="A. Non-computer related data loss";b[89]="B. To be able to retrieve old files that have since been deleted";c[89]="C. Both A and B";d[89]="D. Neither A or B";ans[89]="2";q[90]="Hardware level RAID read/write transactions are handled by:";a[90]="A. The operating system storage device drivers";b[90]="B. The motherboard BIOS storage device drivers";c[90]="C. The controller BIOS storage device drivers";d[90]="D. None of the above";ans[90]="2";q[91]="Software level RAID read/write transactions are handled by:";a[91]="A. The operating system storage device drivers";b[91]="B. The motherboard BIOS storage device drivers";c[91]="C. The controller BIOS storage device drivers";d[91]="D. None of the above";ans[91]="0";q[92]="Software level RAID should be considered";a[92]="A. Far better than using backups";b[92]="B. Far better than hardware level RAID&#039;s";c[92]="C. Both A and B";d[92]="D. Neither A or B";ans[92]="3";q[93]="The default Microsoft full backup setting will skip which file?";a[93]="A. ntldr";b[93]="B. pagefile.sys";c[93]="C. hal.dll";d[93]="D. All of the above";ans[93]="1";q[94]="The Microsoft full backup will skip the file because:";a[94]="A. it is not a necessary operating system component";b[94]="B. it holds transient data and can be recreated if missing";c[94]="C. both A and B";d[94]="D. neither A or B";ans[94]="2";q[95]="In designing a mission critical server, what was the most expensive industry standard platorm component set to acquire?";a[95]="A. Intel four quad-core motherboard and CPU";b[95]="B. 2 x RAID-5 SCSI U320 Host controller for PCI-X bus";c[95]="C. 6TB of 15000 RPM SCSI U320 Hard drive";d[95]="D. Network transceiver capable of a minimum 300MB/sec DTR";ans[95]="2";q[96]="A dedicated line conditioner is not needed if which type of UPS is chosen?";a[96]="A. Switching";b[96]="B. Online";c[96]="C. Ferromagnetic core";d[96]="D. All of the above continuously protect the system from transients";ans[96]="1";q[97]="A ATAPI tape drive based on an industry standard backup technology attached to the motherboard ATA controller should be recognized by:";a[97]="A. The motherboard BIOS";b[97]="B. Any backup software suite";c[97]="C. Any Plug-n-Play OS";d[97]="D. Both A and B";ans[97]="0";q[98]="Windows 2000 Advanced Server can establish a RAID 1+0...";a[98]="A. Completely in software using Disk Management";b[98]="B. Only at the hardware level with a RAID controller that supports RAID 1+0";c[98]="C. Only if a hardware level RAID card builds the two RAID 0&#039;s which it will mirror";d[98]="D. Only if a hardware level RAID card builds the two RAID 1&#039;s which it will stripe";ans[98]="2";q[99]="Windows 2000 Professional can establish a RAID 1+0...";a[99]="A. Completely in software using Disk Management";b[99]="B. Only at the hardware level with a RAID controller that supports RAID 1+0";c[99]="C. Only if a hardware level RAID card builds the two RAID 0&#039;s which it will mirror";d[99]="D. Only if a hardware level RAID card builds the two RAID 1&#039;s which it will stripe";ans[99]="1";