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CPSA //Github//Questions //With//Correct
//Answers //
Why //can //remote //access //VPNs //not //use //Main //Mode //for //IKE //Phase- 1 //if //the //authentication //method //is //pre-shared //key? //- //CORRECT //ANSWERS(S)✔✔Pre-shared //key //authentication //with //Main //Mode //requires //that //the //peer's //IP //is //known //before //the //connection //is //established. What //is //the //blocksize //of //the //DES //encryption //cipher? //- //CORRECT //ANSWERS(S)✔✔ 64 //bits What //is //this: //16:23:57.094021 //IP //192.168.124.204.137 //> //192.168.124.255.137: //NBT //UDP //PACKET(137): //QUERY; //REQUEST; //BROADCAST //- //CORRECT //ANSWERS(S)✔✔A //NetBIOS //over //TCP/IP //name //service //broadcast Which //is //the //least //secure //encryption //cipher //of //those //listed //below? //- //CORRECT //ANSWERS(S)✔✔DES
Which //file //in //a //user's //home //directory //controls //the //trust //relationships //for //Berkeley //R //services? //- //CORRECT //ANSWERS(S)✔✔.rhosts Why //can //remote //access //servers //not //use //aggressive //mode //for //IKE //Phase- 1 //if //the //authentication //method //is //pre-shared //key? //- //CORRECT //ANSWERS(S)✔✔Because //pre-shared //key //authentication //with //aggressive //mode //does //not //provide //identity //protection. What //is //the //key //length //of //the //AES //encryption //cipher? //- //CORRECT //ANSWERS(S)✔✔ 128 //bits What //is //this: //16:23:57.094021 //IP //192.168.124.204.137 //> //192.168.124.255.137: //NBT //UDP //PACKET(137): //QUERY; //REQUEST; //BROADCAST //- //CORRECT //ANSWERS(S)✔✔A //NetBIOS //over //TCP/IP //name //service //broadcast Which //is //the //most //secure //encryption //cipher //of //those //listed //below? //- //CORRECT //ANSWERS(S)✔✔AES
Which //file //in //a //user's //home //directory //controls //the //trust //relationships //for //FTP? //- //CORRECT //ANSWERS(S)✔✔.netrc Why //can //remote //access //servers //not //use //Main //Mode //for //IKE //Phase- 1 //if //the //authentication //method //is //pre-shared //key? //- //CORRECT //ANSWERS(S)✔✔Because //pre-shared //key //authentication //with //Main //Mode //requires //that //the //peer's //IP //is //known //before //the //connection //is //established. What //is //the //key //length //of //the //IDEA //encryption //cipher? //- //CORRECT //ANSWERS(S)✔✔ 128 //bits What //is //this: //16:23:57.094021 //IP //192.168.124.204.137 //> //192.168.124.255.137: //NBT //UDP //PACKET(137): //QUERY; //REQUEST; //BROADCAST //- //CORRECT //ANSWERS(S)✔✔A //NetBIOS //over //TCP/IP //name //service //broadcast Which //is //the //least //secure //encryption //cipher //of //those //listed //below? //- //CORRECT //ANSWERS(S)✔✔DES Which //file //in //a //user's //home //directory //controls //the //trust //relationships //for //NFS? //- //CORRECT //ANSWERS(S)✔✔.rhosts
Which //operating //system //is //most //likely //to //be //vulnerable //to //the //TTYPROMPT //vulnerability //in //the //telnet //service? //- //CORRECT //ANSWERS(S)✔✔Solaris // 8 What //algorithm //can //be //used //to //negotiate //a //shared //encryption //key? //- //CORRECT //ANSWERS(S)✔✔Diffie- Hellman Which //protocols //are //associated //with //PPTP? //- //CORRECT //ANSWERS(S)✔✔TCP //port // 1723 //and //IP //protocol // 47 Where //are //the //encrypted //passwords //stored //on //a //Solaris //system? //- //CORRECT //ANSWERS(S)✔✔/etc/shadow What //is //the //purpose //of //the //rwho //protocol? //- //CORRECT //ANSWERS(S)✔✔To //send //regular //broadcasts //and //listen //to //broadcasts //from //other //systems. How //do //rwho //clients //query //the //rwho //daemon? //- //CORRECT //ANSWERS(S)✔✔Using //UDP //port // 513.
What //is //the //purpose //of //the //account //lockout //threshold? //- //CORRECT //ANSWERS(S)✔✔To //determine //the //number //of //incorrect //password //attempts //before //an //account //is //locked //out. How //many //incorrect //password //attempts //will //cause //the //built-in //administrator //account //to //be //locked //out //on //a //Windows // 2003 //system? //- //CORRECT //ANSWERS(S)✔✔The //built-in //administrator //account //will //never //be //locked //out. What //is //the //purpose //of //the //account //lockout //duration //setting? //- //CORRECT //ANSWERS(S)✔✔To //determine //the //duration //of //an //account //lockout. What //is //the //purpose //of //the //NET //USE //command //in //establishing //a //null //session? //- //CORRECT //ANSWERS(S)✔✔To //connect //to //a //shared //resource //on //a //remote //host. What //is //the //purpose //of //the //\hostname\c$ //argument //in //the //NET //USE //command? //- //CORRECT //ANSWERS(S)✔✔To //specify //the //C$ //share //on //the //remote //host.
What //is //the //purpose //of //the ///u:NULL //argument //in //the //NET //USE //command? //- //CORRECT //ANSWERS(S)✔✔There //is //no //such //argument //in //the //NET //USE //command. What //is //the //purpose //of //the ///u:"" //argument //in //the //NET //USE //command? //- //CORRECT //ANSWERS(S)✔✔To //specify //a //null //username. What //is //the //purpose //of //the //account //lockout //threshold? //- //CORRECT //ANSWERS(S)✔✔To //determine //the //number //of //incorrect //password //attempts //before //an //account //is //locked //out. How //many //incorrect //password //attempts //will //cause //the //built-in //administrator //account //to //be //locked //out //on //a //Windows // 2003 //system? //- //CORRECT //ANSWERS(S)✔✔The //built-in //administrator //account //will //never //be //locked //out. What //is //the //purpose //of //the //account //lockout //duration //setting? //- //CORRECT //ANSWERS(S)✔✔To //determine //the //duration //of //an //account //lockout.
What //are //the //three //basic //permissions //in //Unix-like //systems? //- //CORRECT //ANSWERS(S)✔✔Read, //write, //and //execute. What //is //the //octal //representation //of //the //permission //'rwxr- xr--'? //- //CORRECT //ANSWERS(S)✔✔ 754 What //is //the //octal //representation //of //the //permission //'rw-rw- r--'? //- //CORRECT //ANSWERS(S)✔✔ 664 What //is //the //octal //representation //of //the //permission //'rwxrwxrwx'? //- //CORRECT //ANSWERS(S)✔✔ 777 What //is //the //octal //representation //of //the //permission //'r--r----- '? //- //CORRECT //ANSWERS(S)✔✔ 400 What //is //the //octal //representation //of //the //permission //'rw-r-- r--'? //- //CORRECT //ANSWERS(S)✔✔ 644 What //is //the //octal //representation //of //the //permission //'rwx-----
- '? //- //CORRECT //ANSWERS(S)✔✔ 700
What //is //the //octal //representation //of //the //permission //'r-xr-x--
- '? //- //CORRECT //ANSWERS(S)✔✔ 550 What //is //the //octal //representation //of //the //permission //'rw-r----
- '? //- //CORRECT //ANSWERS(S)✔✔ 640 What //is //the //octal //representation //of //the //permission //'rwxr-x- --'? //- //CORRECT //ANSWERS(S)✔✔ 750 What //is //the //octal //representation //of //the //permission //'rwxrwx---'? //- //CORRECT //ANSWERS(S)✔✔ 770 What //is //the //octal //representation //of //the //permission //'rwxrwxr-x'? //- //CORRECT //ANSWERS(S)✔✔ 775 What //is //the //octal //representation //of //the //permission //'rwxr- xr-x'? //- //CORRECT //ANSWERS(S)✔✔ 755 What //is //the //octal //representation //of //the //permission //'rwxr- xrwx'? //- //CORRECT //ANSWERS(S)✔✔ 765
What //is //the //meaning //of //the //"export" //label //for //an //SSL //cipher? //- //CORRECT //ANSWERS(S)✔✔Cipher //that //was //weak //but //allowed //for //export //under //old //US //regulations. What //is //an //"export" //cipher //in //SSL? //- //CORRECT //ANSWERS(S)✔✔Weak //cipher //permitted //for //export //under //old //US //regulations. Which //protocol //is //not //vulnerable //to //address //spoofing //if //implemented //correctly? //- //CORRECT //ANSWERS(S)✔✔TCP. Which //of //these //protocols //is //not //susceptible //to //address //spoofing //if //implemented //correctly? //- //CORRECT //ANSWERS(S)✔✔TCP. What //effect //does //setting //the //RestrictAnonymous //registry //setting //to // 1 //have //on //a //Windows //NT //or // 2000 //system? //- //CORRECT //ANSWERS(S)✔✔Prevents //enumeration //of //SAM //accounts //and //names.
What //happens //when //the //RestrictAnonymous //registry //setting //is //set //to // 1 //on //a //Windows //NT //or // 2000 //system? //- //CORRECT //ANSWERS(S)✔✔Enumeration //of //SAM //accounts //and //names //is //prevented. What //is //the //impact //of //setting //the //RestrictAnonymous //registry //setting //to // 1 //on //a //Windows //NT //or // 2000 //system? //- //CORRECT //ANSWERS(S)✔✔Prevents //enumeration //of //SAM //accounts //and //names. What //does //setting //the //RestrictAnonymous //registry //setting //to // 1 //do //on //a //Windows //NT //or // 2000 //system? //- //CORRECT //ANSWERS(S)✔✔Prevents //enumeration //of //SAM //accounts //and //names. What //is //the //effect //of //setting //the //RestrictAnonymous //registry //setting //to // 1 //on //a //Windows //NT //or // 2000 //system? //- //CORRECT //ANSWERS(S)✔✔Prevents //enumeration //of //SAM //accounts //and //names. Which //protocol //is //not //vulnerable //to //address //spoofing //if //implemented //correctly? //- //CORRECT //ANSWERS(S)✔✔TCP.
What //would //an //SNMP //request //to //set //OID //1.3.6.1.4.1.9.2.1.55.10.0.0.1 //to //"file" //on //a //Cisco //router //using //a //community //string //with //read/write //access //do? //- //CORRECT //ANSWERS(S)✔✔Cause //the //target //router //to //upload //its //configuration //file //to //the //TFTP //server //at //10.0.0. //as //a //file //called //"file" What //RPC //authentication //mechanism //does //NFS //v2 //and //v //use? //- //CORRECT //ANSWERS(S)✔✔AUTH_SYS, //using //Unix //UID //and //GID Which //of //these //statements //about //the //Windows //built //in //administrator //account //is //correct? //- //CORRECT //ANSWERS(S)✔✔It //always //has //RID // 500 What //is //the //built-in //administrator //account //in //Windows //called? //- //CORRECT //ANSWERS(S)✔✔Administrator What //is //the //only //member //of //the //"Administrators" //group? //- //CORRECT //ANSWERS(S)✔✔Built-in //administrator //account
Can //the //built-in //administrator //account //be //renamed? //- //CORRECT //ANSWERS(S)✔✔No What //is //the //SID //(Security //Identifier) //of //the //built-in //administrator //account? //- //CORRECT //ANSWERS(S)✔✔ 500 What //does //the //"Root //Squash" //option //on //an //NFS //export //do? //- //CORRECT //ANSWERS(S)✔✔Makes //the //root //user //on //the //NFS //client //access //files //as //nobody //on //the //server. How //can //blind //SQL //injection //be //detected? //- //CORRECT //ANSWERS(S)✔✔The //web //server //behaviour //changes //when //a //successful //injection //is //performed. What //does //the //phrase //"Inherent //Risk" //mean //in //risk //management? //- //CORRECT //ANSWERS(S)✔✔A //risk //that //is //implicitly //associated //with //an //activity //or //location. What //is //the //cipher //mode //that //uses //a //block //cipher //to //generate //a //key //stream? //- //CORRECT //ANSWERS(S)✔✔CFB
//ANSWERS(S)✔✔It //stands //for //Selsius //Ethernet //Phone, //which //was //the //original //name //of //the //Cisco //IP //phone. What //does //Cisco //Ethernet //Phone //stand //for? //- //CORRECT //ANSWERS(S)✔✔No //one //knows. What //does //SIP //Enhanced //Phone //stand //for? //- //CORRECT //ANSWERS(S)✔✔No //one //knows. What //is //an //IP //option? //- //CORRECT //ANSWERS(S)✔✔Record //Route Which //services //are //all //ONC/RPC //services? //- //CORRECT //ANSWERS(S)✔✔cmsd, //kcms_server, //sadmind, //snmpXdmid When //was //the //Apache //chunked //encoding //vulnerability //fixed //in //version //1.3? //- //CORRECT //ANSWERS(S)✔✔1.3. What //is //an //accepted //limitation //of //Diffie-Hellman //key //agreement //protocol? //- //CORRECT //ANSWERS(S)✔✔It //is //vulnerable //to //a //man-in-the-middle //attack
What //are //the //privileged //TCP //and //UDP //ports? //- //CORRECT //ANSWERS(S)✔✔ 0 - 1023 //inclusive What //attack //can //be //used //to //force //some //switches //to //forward //frames //to //all //ports? //- //CORRECT //ANSWERS(S)✔✔MAC //flooding Which //of //the //following //protocols //is //the //most //secure? //- //CORRECT //ANSWERS(S)✔✔WPA //with //CCMP //(AES) What //command //would //you //use //to //display //the //version //number //of //a //Microsoft //SQL //Server //database //if //you //are //connected //with //a //command //line //client? //- //CORRECT //ANSWERS(S)✔✔select //@@version; A //web //server //returns //"Server: //Microsoft-IIS/5.0" //in //the //HTTP //headers. //What //operating //system //is //it //probably //using? //- //CORRECT //ANSWERS(S)✔✔Windows // 2000 //Server
