A technician is troubleshooting a workstation that cannot access any network resources. The link light on the network interface card is off, and the operating system reports that the network cable is unplugged. Which of the following tools should the technician use FIRST to verify the integrity of the network cable?

Location: Inglewood, CA, US POSITION SUMMARY: This is a hands-on position responsible for installing, configuring, monitoring, and maintaining network infrastructure with a strong emphasis on LAN switching technologies. The role will involve working closely with senior network administrators to ensure optimal performance, security, and scalability of the company’s network environment. ESSENTIAL DUTIES AND RESPONSIBILITIES: - Install and Configure Network Switches (Aruba, HP, Cisco) - Monitor and Maintain Network Switch Performance - Assist with Switch Configuration and Upgrades - Manage IDF Installations and Cable Organization - Troubleshoot technical issues with escalated tickets - Configure and Maintain Network Protocols (VLAN, STP, LACP) - Firewall Support and Basic Routing Configuration - Document Network Configurations and Topology - Collaborate on Network Security Compliance SKILLS AND REQUIREMENTS: - 3+ years of hands-on experience in network administration or a similar role. - Strong expertise in LAN/WAN infrastructure, including switch installation, configuration, and troubleshooting. - Proficiency with Aruba, HP, and Cisco switches, including CLI-based configuration (VLAN, STP, LACP, trunk/access ports, port security, etc.). - Ability to perform switch provisioning, firmware upgrades, and advanced configuration tasks via command line interfaces (SSH/console). - Experience working with fiber cabling, including terminating, connecting, and troubleshooting fiber links between switches and patch panels (LC/SC connectors, SFP/SFP+ modules). - Experience with network firewalls and basic routing concepts. - Familiarity with network monitoring tools and performance optimization techniques. - Knowledge of IDF installation, structured cabling standards, labeling, and cable‑management best practices. - Understanding of network security principles, including 802.1X, NAC, and access control policies. - Ability to work with SSO technologies (Okta) and multi-factor authentication (2FA) solutions. - Strong documentation skills for network topology, patching, fiber mapping, and switch configurations. - Resourceful, with strong problem‑solving abilities and the capability to work independently and collaboratively. - Excellent written and verbal communication skills. - Bachelor’s degree in a related field OR 5+ years of relevant network administration experience. Professional certifications such as Cisco, Aruba Certified Switching Associate, or equivalent are highly preferred.

A network administrator is troubleshooting an issue where users report that internal web applications are reachable by IP address but fail when accessed using the server’s hostname. Which of the following services is MOST likely experiencing an issue?

A technician is installing a new workstation on a corporate network. The device receives an IP address automatically, but it cannot communicate with devices outside its local subnet. The technician confirms that the IP address and subnet mask are correct. Which of the following settings is MOST likely misconfigured?

A network administrator is configuring a router to allow internal users to access the internet while hiding the private IP addresses used inside the corporate network. Which of the following technologies should the administrator implement?