Security Foundations - D481 Exam 2025 Questions and Answers

Security Foundations - D481 Exam
2025 Questions and Answers


A set of protocols made up of four layers (Application, Transport, Network, Network

Interface Layer) used to connect network devices to each other - ANSWER✔✔-TCP/IP

(Transmission Control Protocol/Internet Protocol)


TCP/IP model layer that establishes how data should be physically sent through the

network.




Ethernet




In conjunction with layers 1 PHYSICAL and 2 DATA LINK - ANSWER✔✔-Network

Interface Layer (TCP/IP)

,TCP/IP model layer that defines the logical transmission protocols for the whole

network.




- IP ( Internet Protocol)


- ARP ( Address Resolution Protocol)


- ICMP (Internet Contol Message Protocol)


- IGMP




in conjunction with layer 3 NETWORK of the OSI Model. - ANSWER✔✔-Network

Layer (TCP/IP)


TCP/IP model layer that s responsible for the end-to-end transport of data. The

protocols that live in this layer are.




- TCP (Transmission Control Protocol)


- UDP (User Datagram Protocol)

, In conjunction with layer 4 TRANSPORT of the OSI Model - ANSWER✔✔-Transport

Layer (TCP/IP)


TCP/IP model layer that is responsible for the communication protocols between

nodes. The protocols in this layer include.




- HTTP (Hyper Text Transfer Protocol)


- SSH (Secure Shell)


- FTTP


- Telnet


- NTP (Network Time Protocol)


- DHCP


- PING




In conjunction with Layers 5 SESSION, 6 PRESENTATION, AND 7 APPLICATION of

the OSI model. - ANSWER✔✔-Application Layer (TCP/IP)


Layer 1 of the OSI Model responsible for the physical connections of the devices in the

network. This layer is implemented through the use of devices such as hubs, repeaters,

modem devices, and physical cabling. - ANSWER✔✔-Physical Layer (OSI model)