Network Security Essentials Questions with
100% Correct Solutions
Coaxial
Type of cable used in networking
UTP
Unshielded Twisted Pair cable commonly used in networking.
Fiber Optic
High-speed cable for networking, transmits data using light.
802.11 standards
802.11a
5 GHz, 54 Mbps
802.11b
2.4 GHz, 11 Mbps
802.11g
2.4 GHz, 54 Mbps
802.11n
5GHz or 2.4GHz, 600 Mbps
802.11ac (WIFI 5)
5GHz, 6.9 Gbps
802.11ax (WiFi 6)
, 2.4, 5, and 6 GHz, 9.6 Gbps
Smurf attack
Type of attack where a flood of packets are sent to a target.
Teardrop attack
Attack that sends fragmented packets to crash systems.
Ping of Death
Sending oversized packets to crash the target system.
Bluejacking
Sending unsolicited messages over Bluetooth to Bluetooth-enabled devices.
CIA triad
Confidentiality, Integrity, Availability - key security principles.
AAA
Authentication: Confirms user's identity with usernames, passwords, and PKI
certificates.
Authorization: Defines user's access permissions like read-only or read and delete.
Accounting: Reports user access, and provides forensic trail post-security breach.
OSI model
Seven-layer model defining networking functions at each layer.
PAN
Personal Area Network, connects devices in close proximity.
LAN
100% Correct Solutions
Coaxial
Type of cable used in networking
UTP
Unshielded Twisted Pair cable commonly used in networking.
Fiber Optic
High-speed cable for networking, transmits data using light.
802.11 standards
802.11a
5 GHz, 54 Mbps
802.11b
2.4 GHz, 11 Mbps
802.11g
2.4 GHz, 54 Mbps
802.11n
5GHz or 2.4GHz, 600 Mbps
802.11ac (WIFI 5)
5GHz, 6.9 Gbps
802.11ax (WiFi 6)
, 2.4, 5, and 6 GHz, 9.6 Gbps
Smurf attack
Type of attack where a flood of packets are sent to a target.
Teardrop attack
Attack that sends fragmented packets to crash systems.
Ping of Death
Sending oversized packets to crash the target system.
Bluejacking
Sending unsolicited messages over Bluetooth to Bluetooth-enabled devices.
CIA triad
Confidentiality, Integrity, Availability - key security principles.
AAA
Authentication: Confirms user's identity with usernames, passwords, and PKI
certificates.
Authorization: Defines user's access permissions like read-only or read and delete.
Accounting: Reports user access, and provides forensic trail post-security breach.
OSI model
Seven-layer model defining networking functions at each layer.
PAN
Personal Area Network, connects devices in close proximity.
LAN
