Term 211
Filestore
Google Cloud Filestore is a managed file storage service that lets you mount a network file system (NFS) to multiple virtual machines simultaneously, just like a shared folder on an office network.
Acronym study
Terms 211–240 of 716 CCNA acronyms and key terms. Each entry includes a plain-English definition and a link to the full 800-word glossary page with exam context and practice questions.
Term 211
Google Cloud Filestore is a managed file storage service that lets you mount a network file system (NFS) to multiple virtual machines simultaneously, just like a shared folder on an office network.
Term 212
The find command in Unix/Linux is a powerful utility for searching files and directories based on a wide range of criteria such as name, size, type, permissions, and modification time.
Term 213
A firewall is a network security system that monitors and controls incoming and outgoing traffic based on predetermined security rules to protect trusted internal networks from untrusted external networks.
Term 214
A firewall log is a record of network traffic that a firewall has allowed or denied, used by IT professionals to monitor security events and troubleshoot connectivity issues.
Term 215
A firewall rule is a set of conditions that tells a firewall which network traffic to allow or block based on attributes like source, destination, port, and protocol.
Term 216
firewalld is a dynamic firewall management tool for Linux systems that controls incoming and outgoing network traffic using zones and rules.
Term 217
A firmware update is a process that replaces or patches the permanent software programmed into a hardware device to fix bugs, patch security vulnerabilities, or add new features.
Term 218
A First Hop Redundancy Protocol provides automatic backup for the default gateway router on a network so that devices keep working if the primary router fails.
Term 219
The first IP address in a subnet that can be assigned to a host, typically one higher than the network ID.
Term 220
A floating static route is a backup route in a routing table that is only used when the primary route fails, because it has a higher administrative distance (lower priority).
Term 221
Flooding is a network switching technique where a switch sends incoming frames out through all its ports except the one it received the frame from, to ensure the frame reaches its destination when the switch does not know the correct port.
Term 222
Flow control is a technique that manages the rate of data transmission between two devices to prevent a fast sender from overwhelming a slow receiver.
Term 223
A Spanning Tree Protocol port state where the port is fully operational, forwarding both data frames and BPDUs, and is part of the active loop-free topology.
Term 224
A complete domain name that specifies the exact location of a host in the DNS hierarchy, ending with a trailing dot.
Term 225
A frame is a unit of data at the Data Link layer of networking, containing header, payload, and trailer information for local network delivery.
Term 226
Frame forwarding is the process by which a network switch or bridge receives a data unit called a frame on one port and transmits it out the appropriate destination port based on the MAC address table.
Term 227
FTP, or File Transfer Protocol, is a standard network protocol used to transfer files between a client and a server over a TCP/IP network.
Term 228
Full duplex is a communication mode where data can be sent and received simultaneously between two parties, like a two-way conversation without interruptions.
Term 229
A Fully Qualified Domain Name is the complete and unambiguous website or server name that includes the host, domain, and top-level domain, leaving no room for guesswork.
Term 230
A function is a reusable block of code that performs a specific task, taking inputs, processing them, and returning a result, helping to organize and automate IT workflows.
Term 231
A gateway endpoint is a networking component that acts as an entry and exit point for traffic between two different networks, typically translating between incompatible protocols or addressing schemes.
Term 232
GLBP (Gateway Load Balancing Protocol) is a Cisco proprietary protocol that provides automatic failover and load balancing for default gateways on a local area network.
Term 233
A global load balancer distributes incoming network traffic across multiple servers located in different geographic regions to improve performance, reliability, and availability.
Term 234
Global VNet peering is a networking feature that connects two virtual networks located in different Azure regions, allowing resources in each network to communicate directly through the Microsoft backbone.
Term 235
A visual way for users to interact with a computer using icons, menus, and windows instead of typing text commands.
Term 236
GRE (Generic Routing Encapsulation) is a tunneling protocol that encapsulates packets inside other packets to transport them across incompatible networks.
Term 237
Generic Routing Encapsulation is a tunneling protocol that wraps packets of one protocol inside another protocol to transport them across an intermediary network.
Term 238
grep is a command-line tool that searches through text for lines matching a pattern, used by IT professionals to quickly find information in files or command output.
Term 239
Half duplex is a data transmission mode that allows communication in both directions, but only one direction at a time, like a walkie-talkie.
Term 240
Hashing is a one-way mathematical function that converts any input data into a fixed-length string of characters, called a hash or digest, which is used to verify data integrity and store passwords securely.