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Network Security — Final Exam: Questions & Answers
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Network Security — Final Exam: Questions & Answers
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Network Security — Final Exam: Questions & AnswersWhat are examples of "what you know"? ✔️Ans - security questions,
user/pass, PIN
What are examples of "what you have"? ✔️Ans - 2 factor auth with
phone, ID and PIN, token
What are examples of "what you are/do"? ✔️Ans - Biometric (eye,
fingerprint, facial geometry), voice print analysis, handwriting analysis
What is MAC? ✔️Ans - Mandatory Access Control - administrators assign
labels to users and objects - when the labels match, the user can have
access. Think need-to-know.
What is DAC? ✔️Ans - Discretionary Access Control - files and folders
have an owner, and the owner determines who has access, ACL
What is RBAC? ✔️Ans - Role Based Access Control - Method of
restricting user access on a multi-user based system. Defined by role rather
than specific user.
Ex. Admin has full rights where guest has limited.
What uses a hash of random messages to confirm identity, with the users
pass being the key that is never sent over the network? ✔️Ans -
Challenge-Handshake Authentication Protocol (CHAP)
What authentication protocol uses a password or PIN and sends
information in cleartext? ✔️Ans - Password authentication protocol
(PAP)
What does AS stand for? ✔️Ans - authentication server
What does TGT stand for? ✔️Ans - Ticket Granting Ticket
What does TGS stand for? ✔️Ans - Ticket Granting Service
,FTP data port (active mode) ✔️Ans - TCP 20
FTP control port ✔️Ans - TCP 21
SSH ✔️Ans - TCP 22
SCP (uses SSH) ✔️Ans - TCP 22
SFTP (uses SSH) ✔️Ans - TCP 22
Telnet ✔️Ans - TCP 23
SMTP ✔️Ans - TCP 25
TACACS+ ✔️Ans - TCP 49
DNS name queries ✔️Ans - UDP 53
DNS zone transfers ✔️Ans - TCP 53
TFTP ✔️Ans - UDP 69
HTTP ✔️Ans - TCP 80
Kerberos ✔️Ans - UDP 88
POP3 ✔️Ans - TCP 110
SNMP ✔️Ans - UDP 161
SNMP trap ✔️Ans - UDP 162
NetBIOS ✔️Ans - 137-139
IMAP4 ✔️Ans - TCP 143
LDAP ✔️Ans - TCP 389
HTTPS ✔️Ans - TCP 443
, SMTP SSL/TLS ✔️Ans - TCP 465
IPsec ✔️Ans - UDP 500
LDAP/SSL ✔️Ans - TCP 636
LDAP/TSL ✔️Ans - TCP 636
IMAP SSL/TLS ✔️Ans - TCP 993
POP SSL/TSL ✔️Ans - TCP 995
L2TP ✔️Ans - UDP 1701
PPTP ✔️Ans - TCP 1723
Remote Desktop Protocol (RDP) ✔️Ans - TCP/UDP 3389
Microsoft SQL Server ✔️Ans - TCP 1433
NTP ✔️Ans - TCP 123
Microsoft-DS ✔️Ans - TCP 445
DHCP ✔️Ans - UDP 67, 68
What are the 5 ity's? ✔️Ans - 1. integrity
2. identity
3. accountability
4. confidentiality
5. availability
and non-repudiation
What is Integrity? ✔️Ans - I know the data hasn't been modified
What is identity? ✔️Ans - Who was involved
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