Networking and Cisco Technology Acronyms

WAN stands for Wide Area Network, which covers a broad geographic area.

CSM is a common acronym for Custom Subnet Mask in networking contexts.

VoIP stands for Voice Over Internet Protocol, the technology used to deliver voice communications over IP networks.

LAN stands for Local Area Network, which connects devices within a limited area like a home or office.

PPP stands for Point to Point Protocol, a data link layer protocol used to establish a direct connection between two nodes.

NFS stands for Network File System, a distributed file system protocol allowing a user on a client computer to access files over a network.

A Network Interface Card (NIC) is a hardware component that allows a computer to connect to a network. Other options are incorrect expansions of the acronym.

SMTP stands for Simple Mail Transfer Protocol, which is the standard protocol used for sending emails across the internet.

NVRAM stands for Non-Volatile Random Access Memory, which is memory that retains its stored information even after power is removed.

BGP stands for Border Gateway Protocol, the standardized exterior gateway protocol designed to exchange routing and reachability information among autonomous systems on the internet.

SNMP stands for Simple Network Management Protocol, used for collecting and organizing information about managed devices on IP networks.

A Metropolitan Area Network (MAN) is a computer network that interconnects users with computer resources in a geographic area or region larger than that covered by a LAN but smaller than a WAN.

FTP stands for File Transfer Protocol, a standard network protocol used for the transfer of computer files between a client and server on a computer network.

CLI stands for Command Line Interface, a means of interacting with a computer program where the user issues commands to the program in the form of successive lines of text.

TFTP stands for Trivial File Transfer Protocol, a simple protocol used for transferring files, typically used for booting diskless workstations.

NAT stands for Network Address Translation, a method of remapping one IP address space into another by modifying network address information in the IP header of packets while they are in transit.

An ISP (Internet Service Provider) is an organization that provides services for accessing, using, or participating in the Internet.

LLC stands for Logical Link Control, which is the upper sublayer of the Data Link Layer (Layer 2) in the OSI model.

VTY stands for Virtual Terminal, which refers to virtual terminal lines used for remote access to network devices like routers and switches. These lines allow administrators to connect via Telnet or SSH. Option A is incorrect as 'Technology' is not part of the acronym.

SDM stands for Security Device Manager, a web-based management tool for Cisco routers.

IP stands for Internet Protocol, the principal communications protocol in the Internet protocol suite for relaying datagrams across network boundaries.