Cybersecurity Essentials Lvl2 Network Security Questions With Right Answers Updated.

CYBERSECURITY ESSENTIALS LVL2 NETWORK
SECURITY QUESTIONS WITH RIGHT ANSWERS
UPDATED.

3DES,,ANS,-
,Triple,DES,(3DES),is,a,block,cipher,type,of,encryption,considered,to,be,less,vulnerable,than,DES.




Access,Control,,ANS,-
,The,act,of,restricting,both,physical,and,file,and,server,access,so,those,who,need,it,have,it,,but,those,who,
do,not,need,do,not,have,it.



Account,Lockout,,ANS,-
,The,process,of,preventing,an,account,from,logging,on,after,a,number,of,incorrect,logon,attempts.




Active,Directory,,ANS,-
,A,directory,service,used,in,a,Windows,domain,to,store,and,administer,users,,groups,,printers,,devices,,an
d,other,objects.



Administrative,Share,,ANS,-
,A,type,of,share,which,is,only,accessible,by,administrators,,backup,operators,,and,server,operators.




Adware,,ANS,-,A,form,of,malware,which,displays,advertisements,while,an,app,is,being,used.



AES,,ANS,-
,Advanced,Encryption,Standard,(AES),is,a,block,cipher,type,of,encryption,which,comes,in,128,,192,,and,25
6,bits.



AH,,ANS,-
,An,authentication,header,(AH),provides,authentication,,integrity,,and,antireplay,for,data,packets.




Antispam,,ANS,-,Software,used,to,prevent,spam,email,from,reaching,a,client's,email,program.

,Antivirus,,ANS,-
,A,piece,of,software,which,helps,to,ward,off,malware.,Also,known,as,an,antimalware,system.




Application-Level,Firewall,,ANS,-
,A,firewall,which,does,filtering,at,the,application,layer,of,the,OSI,model,(Layer,7);,also,known,as,a,proxy,se
rver.



ARP,Spoofing,,ANS,-
,A,form,of,spoofing,in,which,MAC,address/IP,address,combinations,are,compromised,through,stealing,the
,IP,address,of,a,host,and,then,using,that,to,force,traffic,to,an,attacking,machine.




Asymmetric,Encryption,,ANS,-
,A,type,of,encryption,in,which,one,key,encrypts,data,and,another,key,decrypts,data.




Attack,Surface,,ANS,-,The,totality,of,ways,in,which,a,system,can,be,attacked.



Auditing,,ANS,-
,A,mechanism,by,which,a,log,tracks,who,has,logged,on,to,a,system,and,what,has,been,accessed,on,the,sys
tem.



Authentication,,ANS,-,The,act,of,verifying,identification,to,an,application,or,a,system.



Availability,,ANS,-
,The,part,of,the,CIA,triangle,that,ensures,data,is,accessible,by,those,who,need,it,,when,they,need,it.




Backdoor,,ANS,-,Malware,used,to,do,unauthorized,tasks,on,a,system,through,an,opening,in,the,system.



Base-64-Encoded,X.509,,ANS,-
,A,certificate,type,which,supports,storage,of,a,single,certificate,,but,not,a,private,key.




Biometrics,,ANS,-
,The,form,of,authentication,that,uses,devices,such,as,retina,scanners,,voice,recognition,,fingerprint,scann
ers,,or,facial,recognition,for,authentication.

, BitLocker,,ANS,-,An,encryption,system,which,encrypts,entire,drives.



BitLocker,To,Go,,ANS,-,An,encryption,system,which,encrypts,removable,hard,drives.



Block,Cipher,,ANS,-,A,block,of,plain,text,plus,a,key,to,encrypt,the,block,of,text.



Botnet,,ANS,-
,A,network,full,of,computers,which,have,been,taken,over,for,the,purpose,of,carrying,out,a,DDoS.




Brute,Force,Attack,,ANS,-
,An,attack,in,which,all,possible,combinations,of,characters,are,used,in,an,attempt,to,crack,a,password.




Buffer,Overflow,,ANS,-
,An,overloading,of,a,reserved,space,of,data.,This,causes,a,system,to,slow,down,,freeze,,or,crash.




CA,,ANS,-,A,certificate,authority,(CA),is,a,server,or,third-party,entity,used,to,issue,digital,certifcates.



CIA,Triangle,,ANS,-
,The,combination,of,confidentiality,,integrity,,and,availability,as,it,relates,to,securing,data,and,systems.




Circuit,Filtering,,ANS,-
,A,firewall,filtering,method,which,analyzes,data,at,layer,5,(the,Session,layer),of,the,OSI,model.




Confidentiality,,ANS,-,The,act,of,keeping,data,and,systems,secure,from,unauthorized,access.



Cookie,,ANS,-
,A,piece,of,text,which,stores,information,from,a,webpage,,such,as,user,information,,site,preferences,,and,
shopping,cart,contents.