Network Security Essentials Questions
with 100% Correct Solutions
MAC flooding - ANSWER Attack overwriting a switch's MAC table with invalid
MAC addresses
Unicast flooding - ANSWER Switch broadcast of a packet on all switch ports
MAC cloning - ANSWER Changing a network device's factory-assigned MAC address
Man-In-The-Middle (MITM) - ANSWER Attacker eavesdrops or modifies communication
between two parties
Secure Channel - ANSWER Communication channel ensuring data authenticity
and confidentiality
Man-In-The-Browser (MITB) - ANSWER MITM attack using malware to
intercept messages between web browser and server
Post Office Protocol (POP) - ANSWER Protocol for retrieving emails from a mail
server, not supporting email sending
POP3 - ANSWER Latest version of POP, using TCP port 110 for email retrieval
POP Secure (POP3S) - ANSWER Uses SSL/TLS for secure communication between
POP client and server
, Internet Message Access Protocol (IMAP) - ANSWER Protocol for retrieving emails
from a mail server, allowing multiple client access
IMAP4 - ANSWER Latest version of IMAP, using TCP port 143 for email retrieval
IMAP Secure (IMAPS) - ANSWER Uses SSL/TLS for secure communication between
IMAP client and server
Multipurpose Internet Mail Extensions (MIME) - ANSWER Extends email message
format to support non-ASCII characters and multimedia
Secure/Multipurpose Internet Mail Extensions (S/MIME) - ANSWER Standard for
signing and encrypting MIME data, providing security services
SSH (Secure Shell Protocol) - ANSWER Cryptographic network protocol for
secure network service operation
SSH - ANSWER Secure channel connecting client to server using encryption
Protocol tunneling - ANSWER Encapsulation of one protocol's packets within another
Public key authentication - ANSWER Access provision without user password using keys
FTPS - ANSWER FTP extension using SSL/TLS for secure communication
SFTP - ANSWER SSH protocol extension for secure file transfer
with 100% Correct Solutions
MAC flooding - ANSWER Attack overwriting a switch's MAC table with invalid
MAC addresses
Unicast flooding - ANSWER Switch broadcast of a packet on all switch ports
MAC cloning - ANSWER Changing a network device's factory-assigned MAC address
Man-In-The-Middle (MITM) - ANSWER Attacker eavesdrops or modifies communication
between two parties
Secure Channel - ANSWER Communication channel ensuring data authenticity
and confidentiality
Man-In-The-Browser (MITB) - ANSWER MITM attack using malware to
intercept messages between web browser and server
Post Office Protocol (POP) - ANSWER Protocol for retrieving emails from a mail
server, not supporting email sending
POP3 - ANSWER Latest version of POP, using TCP port 110 for email retrieval
POP Secure (POP3S) - ANSWER Uses SSL/TLS for secure communication between
POP client and server
, Internet Message Access Protocol (IMAP) - ANSWER Protocol for retrieving emails
from a mail server, allowing multiple client access
IMAP4 - ANSWER Latest version of IMAP, using TCP port 143 for email retrieval
IMAP Secure (IMAPS) - ANSWER Uses SSL/TLS for secure communication between
IMAP client and server
Multipurpose Internet Mail Extensions (MIME) - ANSWER Extends email message
format to support non-ASCII characters and multimedia
Secure/Multipurpose Internet Mail Extensions (S/MIME) - ANSWER Standard for
signing and encrypting MIME data, providing security services
SSH (Secure Shell Protocol) - ANSWER Cryptographic network protocol for
secure network service operation
SSH - ANSWER Secure channel connecting client to server using encryption
Protocol tunneling - ANSWER Encapsulation of one protocol's packets within another
Public key authentication - ANSWER Access provision without user password using keys
FTPS - ANSWER FTP extension using SSL/TLS for secure communication
SFTP - ANSWER SSH protocol extension for secure file transfer
