| Subject | English | Icelandic |
| comp., MS | application layer | hugbúnaðarlag (A set of application models that take precedence over application models that are in lower application layers. The lowest layer is named SYS) |
| comp., MS | ATM adaptation layer The layer of the asynchronous transfer mode (ATM) protocol stack that parses data into the payload portion of the ATM cell for transport across an ATM network | AAL (ATM adaptation layer) |
| baker. | cream layer cake | rjómaterta |
| baker. | layer cake | lagkaka |
| comp., MS | Layer Two Tunneling Protocol | L2TP (An industry-standard Internet tunneling protocol that provides encapsulation for sending Point-to-Point Protocol (PPP) frames across packet-oriented media. For IP networks, L2TP traffic is sent as User Datagram Protocol (UDP) messages. In Microsoft operating systems, L2TP is used in conjunction with Internet Protocol security (IPSec) as a virtual private network (VPN) technology to provide remote access or router-to-router VPN connections. L2TP is described in RFC 2661) |
| comp., MS | patch layer | bótalag (An application layer that is paired above an application layer, and used only for hotfixes and service packs. The name of each patch layer ends with the letter "P", and one pair is named SYS and SYP) |
| comp., MS | posting layer | bókunarlag (A current, tax, or operations ledger classification that is assigned to accounting journal entries) |
| comp., MS | Secure Sockets Layer | SSL (The protocol that improves the security of data communication by using a combination of data encryption, digital certificates, and public key cryptography. SSL enables authentication and increases data integrity and privacy over networks. SSL does not provide authorization or nonrepudiation) |
| comp., MS | Transport Layer Security | TLS (A protocol that provides communications privacy and security between two applications communicating over a network. TLS encrypts communications and enables clients to authenticate servers and, optionally, servers to authenticate clients. TLS is a more secure version of the Secure Sockets Layer (SSL) protocol) |