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CompTIA Linux+ XK0-005 Networking Fundamentals Flashcards
CompTIA Linux+ XK0-005 (v7) Flashcards
| Front | Back |
| What does DHCP stand for? | Dynamic Host Configuration Protocol |
| What does NAT stand for? | Network Address Translation |
| What does TCP stand for? | Transmission Control Protocol |
| What is the default port for HTTPS traffic? | 443 |
| Which command can list open ports in firewalld? | firewall-cmd --list-ports |
| Which command can modify network interface settings on the fly? | ip |
| Which command displays the routing table? | route or ip route |
| Which command enables adding firewall rules in iptables? | iptables -A |
| Which command is used to test DNS name resolution? | dig or nslookup |
| Which command lists active TCP connections and listening ports in Linux? | netstat or ss |
| Which command quickly checks host reachability? | ping |
| Which command shows detailed IP information for all interfaces? | ip addr show |
| Which command traces the path a packet follows to a destination? | traceroute |
| Which file holds global SSH configuration settings on the system? | /etc/ssh/ssh_config |
| Which file is used to configure static IP addresses on Debian-based systems? | /etc/network/interfaces |
| Which file stores mappings of hostnames to IP addresses on the local system? | /etc/hosts |
| Which port does SSH typically use? | 22 |
| Which port is typically used for DNS over UDP? | 53 |
| Which protocol is used to securely copy files over SSH? | scp |
| Which SSH client configuration file holds per-user settings? | ~/.ssh/config |
This deck addresses Linux networking concepts including TCP/IP configuration, network services, firewall management, troubleshooting techniques, and remote connectivity options per the certification requirements.