14. Network Services Flashcards
What network service provides the ability for a Linux or Unix server to be able to host files or printers that can be then used by Windows clients running the SMB protocol?
Samba
What refers to extensible web server software, created by Microsoft (HTTP, HHTP/2, and HTTPS)?
Intenet Information Services (IIS)
What is the current most popular way to run a server?
Apache
What functions as a reverse proxy, load balancer, mail proxy, and HTTP cache?
NGINX
What combines the fully qualified domain name with e protocol at the beginning?
Uniform Resource Locator (URL)
What is the standardized framework used for port-based authentication on wired and wireless networks?
802.1x
What is a database used to centralize information about clients and objects on the network?
Lightweight Directory Access Protocol (LDAP)
What provides centralized administration of dial-up, VPN, and wireless authentication services for 802.1x and the EAP? What layer does it operate at and which network protocol does it use?
Remote Authentication Dial-In User Service (RADIUS) | Application layer | UDP
What is a Cisco proprietary version of RADIUS that can perform the role of an authenticator in 802.1x networks?
Termincal Access Controller Access-Control System Plus (TACACS+)
What is an authentication protocol used by Windows to provide for two-way (mutual) authentication using a system of tickets? What can be a single point of failiure for it?
Kerberos | A domain controller
What sends text-based commands to remote devices and is a very old networking protocol that should never be used to connect to secure devices?
Telnet Port 23
What encrypts everything that is being sent and received between a client and server?
Secure Shell (SSH) Port 22
What provides a GUI to connect to another computer of a network connection, and into which RDG (remote desktop gateway) creates a secure connection to tunnel?
Remote Desktop Protocol (RDP) Port 3389
What is designed for thin client architectures?
Virtual Network Computing Port (VNC) Port 5900
What is any kind of software that replicates the TTY I/O (terminal of communiucation between device and user) functionality to remotedly connect to a device?
Terminal Emulator (TTY)
What enables different appliances and software applications to transmit logs to a centralized server, and is the de facto standard for logging events by including a PRI (priority) code, header, and message?
Syslog
What is a TCP/IP protocol that aids in monitoring network-attached devices and computers?
Simple Network Management Protocol (SNMP
What refers to software that is loaded on a managed device to redirect information to the network management system?
Agents
What is software running on one or more servers to control the monitoring of network-attached devices and computers?
Network Management System (NMS)
What are three benefits to using a proxy server, which refers to devices that create a network connectio between an end user’s client machine and a remote resource (web server)?
Increased network speed & efficiency | Increased security | Additional auditing capabilities
What distributes incoming requests across several servers inside a server farm or cloud infrastructure, and is a key thing to help defend against a DoS or DDoS attack?
Load balancer / Content switch
What refers to a continual flooding of victim systems with requests for services, causing the system to crash?
Denial of Service (DoS)
What identifies any attacking IP addresses and routes their traffic through a null interface?
Blackholing/sinkholing
What works for small-scale attacks against DoS?
Intrusion Prevention System (IPS)
