EHCS Readiness Quiz Are you ready for the EHCS exam?Test your skills! Step 1 of 39 2% 1. At what layer does a switch normally operate?*7432 2. At what layer does a router operate?*3524 3. What is the maximum size of an Ethernet packet?*1300120015001400 4. What type of protocol is considered connection-oriented?*ARPUDPICMPTCP 5. When monitoring a network, you receive an ICMP type 8 packet. What does this represent?*Echo startEcho requestEcho replyEcho recall 6. Size in bytes of the sequence and acknowledgment number in the TCP header?*3624 7. The default window size in bits for Windows is:*1620128 8. IP protocol type 17 represents which type of network traffic?*ICMPTCPUDPIGRP 9. What does FIN in TCP flag define?*Used to indicate the beginning of a TCP connectionUsed to abort a TCP connection abruptlyUsed to close a TCP connectionUsed to acknowledge receipt of a previous packet or transmission 10. Which is the correct PCAP filter to capture all TCP traffic going to or from host 192.168.0.125 on port 25?*port 25 and host 192.168.0.125host 192.168.0.125:25tcp.port == 25 and ip.host == 192.168.0.125tcp.src == 25 and ip.host == 192.168.0.125 11. Valid TCP flags include which of the following?*FIN, PSH, RST, URG, SYNBGP, RST, SYN, NULL, URGACK, FIN, RST, ECHO, SYNACK, BIN, PSH, RST, SYN 12. According to TCP/IP standards, what should you conclude if you send a TCP packet with only the FIN flag set and you receive a RST in response?*The port is filteredThe status of the port cannot be determinedThe port is closedThe port is open 13. Observing TCP packets with the URG, FIN, and PSH flags set is an indication of what type of behavior?*A Maimon scanA NULL scanAn Nmap Xmas scanA FIN scan 14. What is the response to a nmap –sU scan when the port is open?*SYN/ACKRSTICMP type 3no response 15. What nmap command line syntax parameter must be used in order to perform a TCP half-open scan?*-sH-sT–sO-sS Refer to the image below to answer the next question. 16. What is the protocol in the packet?*ICMPUDPTCPIGRP Refer to the image below to answer the next question. 17. What is the protocol in the packet?*TCPUDPIGRPICMP Refer to the image below to answer the next question. 18. Refer to figure 3, what is the protocol in the packet?*IGRPICMPTCPUDP Refer to the image below to answer the next question. 19. What are the flags set in the packet?*RST, ACKFIN, PSH, URGSYN, ACKPSH, ACK Refer to the image below to answer the next question. 20. What are the flags set in the packet?*FIN, PSH, URGRST, ACKPSH, ACKSYN, ACK 21. A port that is < 1023 is also known as a _______________ port?*SpecialEphemeralReservedPrivileged 22. A port that is > 1023 is also known as a _______________ port?*EphemeralReservedPrivilegedSpecial 23. Of the following stances on security which one is the easiest to manage risk of?*PromiscuousParanoidPermissivePrudent 24. Which of the following protocols is considered reliable?*IGRPUDPICMPTCP 25. Which of the following options is used to display the interfaces in tcpdump?*–G–D–L–A 26. Which of the following options is used to display passwords in tcpdump?*–L–D–G–A 27. Which of the following Wireshark filters would be used to display accepted GET request of a web server?*Frame contains “200 OK”Both A and BNone of the aboveFrame contains 200 + OK 28. To view the source port 22 in Wireshark you would enter which of the following filters?*tcp.port == 22tcp.port = 22tcp.srcport = 22tcp.srcport == 22 29. Which command in UNIX is used to change permissions of files and directories?*attribchpermchmodchflags 30. Which option of the kill command is considered the sure kill?*3951 31. Which UNIX utility will allow the viewing of compressed files without decompressing them?*gzipnone of the abovezcatrar 32. Which of the following password files in UNIX is only readable by root?*/etc/password/etc/proc/etc/passwd/etc/shadow 33. Which of the following netstat options will display the interfaces on a UNIX machine?*–rn–an–at–in 34. Which of the following netstat options will display the routing table on a UNIX machine?*–in–rn–at–an 35. Which of the following lsof options will display the network connections?*–e–a–i–c 36. Which of the following lsof options will display the files and network connections a process if using?*–c–a–e–i 37. Within the VMware software what is the network switch that is used for the bridged network?*VMnet0VMnet8VMnet1VMnet5 38. Within the VMware software what is the network switch that is used for the NAT network?*VMnet0VMnet1VMnet5VMnet8 Please submit form to see your quiz results.Name* First Last Address* Street Address Address Line 2 City State / Province / Region ZIP / Postal Code AfghanistanAlbaniaAlgeriaAmerican SamoaAndorraAngolaAnguillaAntarcticaAntigua and BarbudaArgentinaArmeniaArubaAustraliaAustriaAzerbaijanBahamasBahrainBangladeshBarbadosBelarusBelgiumBelizeBeninBermudaBhutanBoliviaBonaire, Sint Eustatius and SabaBosnia and HerzegovinaBotswanaBouvet IslandBrazilBritish Indian Ocean TerritoryBrunei DarussalamBulgariaBurkina FasoBurundiCambodiaCameroonCanadaCape VerdeCayman IslandsCentral African RepublicChadChileChinaChristmas IslandCocos IslandsColombiaComorosCongo, Democratic Republic of theCongo, Republic of theCook IslandsCosta RicaCroatiaCubaCuraçaoCyprusCzech RepublicCôte d'IvoireDenmarkDjiboutiDominicaDominican RepublicEcuadorEgyptEl SalvadorEquatorial GuineaEritreaEstoniaEswatini (Swaziland)EthiopiaFalkland IslandsFaroe IslandsFijiFinlandFranceFrench GuianaFrench PolynesiaFrench Southern TerritoriesGabonGambiaGeorgiaGermanyGhanaGibraltarGreeceGreenlandGrenadaGuadeloupeGuamGuatemalaGuernseyGuineaGuinea-BissauGuyanaHaitiHeard and McDonald IslandsHoly SeeHondurasHong KongHungaryIcelandIndiaIndonesiaIranIraqIrelandIsle of ManIsraelItalyJamaicaJapanJerseyJordanKazakhstanKenyaKiribatiKuwaitKyrgyzstanLao People's Democratic RepublicLatviaLebanonLesothoLiberiaLibyaLiechtensteinLithuaniaLuxembourgMacauMacedoniaMadagascarMalawiMalaysiaMaldivesMaliMaltaMarshall IslandsMartiniqueMauritaniaMauritiusMayotteMexicoMicronesiaMoldovaMonacoMongoliaMontenegroMontserratMoroccoMozambiqueMyanmarNamibiaNauruNepalNetherlandsNew CaledoniaNew ZealandNicaraguaNigerNigeriaNiueNorfolk IslandNorth KoreaNorthern Mariana IslandsNorwayOmanPakistanPalauPalestine, State ofPanamaPapua New GuineaParaguayPeruPhilippinesPitcairnPolandPortugalPuerto RicoQatarRomaniaRussiaRwandaRéunionSaint BarthélemySaint HelenaSaint Kitts and NevisSaint LuciaSaint MartinSaint Pierre and MiquelonSaint Vincent and the GrenadinesSamoaSan MarinoSao Tome and PrincipeSaudi ArabiaSenegalSerbiaSeychellesSierra LeoneSingaporeSint MaartenSlovakiaSloveniaSolomon IslandsSomaliaSouth AfricaSouth GeorgiaSouth KoreaSouth SudanSpainSri LankaSudanSurinameSvalbard and Jan Mayen IslandsSwedenSwitzerlandSyriaTaiwanTajikistanTanzaniaThailandTimor-LesteTogoTokelauTongaTrinidad and TobagoTunisiaTurkeyTurkmenistanTurks and Caicos IslandsTuvaluUS Minor Outlying IslandsUgandaUkraineUnited Arab EmiratesUnited KingdomUnited StatesUruguayUzbekistanVanuatuVenezuelaVietnamVirgin Islands, BritishVirgin Islands, U.S.Wallis and FutunaWestern SaharaYemenZambiaZimbabweÅland Islands Country Phone*Email* How would you like to be contacted?*PhoneEmailConsent* I agree to the privacy policy.Please see our full privacy policy here.We care about your data privacy. We will only collect your data via this form if you agree to our terms of use. If you do not agree to the collection of your data, we will not be able to send you the information you have requested.CAPTCHA
