Cybersecurity Quiz: Network Security and Encryption Protocols, Exams of Cybercrime, Cybersecurity and Data Privacy

A series of cybersecurity questions and answers, covering topics such as vpns, encryption ciphers (des, aes, tripledes, idea), network protocols (netbios, tcp/ip, udp, pptp), and security measures (account lockout thresholds, file permissions in unix-like systems). It explores various aspects of network security, including remote access, authentication methods, and vulnerability assessments. The questions address practical scenarios and theoretical concepts, providing insights into secure network configurations and potential security risks. It also covers topics such as null sessions, the net use command, and the security implications of electronic emanations from communications equipment. Useful for students and professionals in cybersecurity.

Typology: Exams

2025/2026

Available from 12/09/2025

DOCSHUB
DOCSHUB 🇺🇸

5

(2)

12K documents

1 / 223

Toggle sidebar

This page cannot be seen from the preview

Don't miss anything!

bg1
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 /
pf3
pf4
pf5
pf8
pf9
pfa
pfd
pfe
pff
pf12
pf13
pf14
pf15
pf16
pf17
pf18
pf19
pf1a
pf1b
pf1c
pf1d
pf1e
pf1f
pf20
pf21
pf22
pf23
pf24
pf25
pf26
pf27
pf28
pf29
pf2a
pf2b
pf2c
pf2d
pf2e
pf2f
pf30
pf31
pf32
pf33
pf34
pf35
pf36
pf37
pf38
pf39
pf3a
pf3b
pf3c
pf3d
pf3e
pf3f
pf40
pf41
pf42
pf43
pf44
pf45
pf46
pf47
pf48
pf49
pf4a
pf4b
pf4c
pf4d
pf4e
pf4f
pf50
pf51
pf52
pf53
pf54
pf55
pf56
pf57
pf58
pf59
pf5a
pf5b
pf5c
pf5d
pf5e
pf5f
pf60
pf61
pf62
pf63
pf64

Partial preview of the text

Download Cybersecurity Quiz: Network Security and Encryption Protocols and more Exams Cybercrime, Cybersecurity and Data Privacy in PDF only on Docsity!

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: /

/IP /

/NBT /

/UDP /

/PACKET(137): /

/QUERY; /

/REQUEST; /

/BROADCAST //- /

/CORRECT /

/ANSWERS(S)✔✔A /

/NetBIOS //over //TCP/IP //name //service //broadcast

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: /

/IP /

/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 /

What //is //the //key //length //of //the //Triple-

DES /

/encryption /

/cipher? //- //CORRECT //ANSWERS(S)✔✔ 168 //bits

What /

/is /

/this: /

/IP /

/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

/encryption /

/cipher? //- //CORRECT //ANSWERS(S)✔✔ 128 //bits

What /

/is /

/this: /

/IP /

/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 /

/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.

How /

/do /

/rwho /

/clients /

/query /

/the /

/rwho /

/daemon /

/using /

/ONC/RPC? //- //CORRECT //ANSWERS(S)✔✔They //can't.

/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\

ipc$ /

/argument /

/in /

/the /

/NET /

/USE /

/command? //- /

/CORRECT /

/ANSWERS(S)✔✔To /

/specify //the //IPC$ //share //on //the //remote //host.

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 /

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 /