1 / 2
Network Security and Protocols with Complete Solutions
ACL - -Access Control List: Rules that
control network traffic and resource access
AH - -Authentication Header: Security
protocol providing authentication and integrity in
IPsec
ARP - -Address Resolution Protocol: Maps
IP addresses to MAC addresses on local
networks
BGP - -Border Gateway Protocol: Routes
traffic between autonomous systems on the
internet
BPDU - -Bridge Protocol Data Unit:
Frames used by Spanning Tree Protocol to
prevent network loops
CRC - -Cyclical Redundancy Check: Error-
detecting code commonly used in digital
networks
DHCP - -Dynamic Host Configuration
Protocol: Automatically assigns IP addresses to
network devices
DNAT - -Destination Network Address
Translation: Modifies destination IP addresses in
packet headers
DNS - -Domain Name System: Translates
domain names to IP addresses
FTP - -File Transfer Protocol: Standard for
transferring files between computers
FTPS - -Secured File Transfer Protocol:
Encrypted version of FTP using TLS/SSL
GRE - -Generic Routing Encapsulation:
Protocol for encapsulating data packets
HTTP - -Hypertext Transfer Protocol:
Foundation for data exchange on the web
HTTPS - -Hypertext Transfer Protocol
Secure: Encrypted HTTP communications
ICMP - -Internet Control Message Protocol:
Used for error reporting and network diagnostics
IMAP - -Internet Message Access Protocol:
Protocol for email retrieval
IP - -Internet Protocol: Fundamental
protocol for routing packets across networks
L2TP - -Layer 2 Tunneling Protocol:
Protocol for supporting VPNs
MAC - -Media Access Control: Hardware
address uniquely identifying network interfaces
MPLS - -Multi-protocol Label Switching:
High-performance routing technique using labels
MTU - -Maximum Transmission Unit:
Maximum size of a packet that can be
transmitted
