A network technician is attempting to resolve an issue for two users. The users unplugged and moved their laptops to a different cubicle to work together. The NIC LED Is lit on both laptops, but the users are not able to access the network resources. Which of the following is MOST likely preventing access?
A. Port security
B. Auto-MDIX
C. BDPU guard
D. DHCP snooping
An administrator recently implemented new SOHO routers for a company's teleworking employees. Before deploying the routers, the administrator changed the default credentials and disabled unnecessary services. Within a few days of deployment, hackers gained access to the routers. Which of the following is the MOST important thing the administrator forgot to do?
A. Disable unused physical router ports.
B. Generate new encryption keys.
C. Upgrade the router firmware.
D. Create a database of file hashes on the router.
A network technician has been deployed to a remote office where WiFi functionality was lost after some recent remodeling. Upon arrival the technician finds the sole access point In the office is powered on via a Cat6 port, which is PoE+ enabled. All necessary SSIDs are broadcasting property However after connecting, authentication falls. Rebooting the WAP does not remediate the situation, nor does replacing the paten cable between the switch and the patch panel. Which of the following is MOST likely the root cause of this issue?
A. The WAP is causing a packet storm on the network.
B. Some of the leads on the male end going into the WAP were damaged
C. The switchport In question Is using 802. 3at instead of 802. 3at.
D. The Cat6 uplink to the WAP was plugged into the AUX pot instead of the Gigabit PoE port.
A network technician is connecting medical monitoring devices on a personal area network for patients' phones. Which of the following technologies should be used?
A. Bluetooth
B. ROD
C. NFC
D. IR
Which of the following protocols is used during web browsing to resolve website names?
A. HTTP
B. LDAP
C. SNMP
D. DNS
A OLP system configured on a network's point of egress captured sensitive company documents going out to the Internet from an Internal workstation. The user o that workstation left to work for a competitor the next day. Which of the following attacks is lib MOST likely an example of?
A. Ransomware
B. Evil twin
C. insider threat
D. Social engineering
Devices on a network will need to obtain DHCP leases from a server on a different network. Which of the following must the engineer Implement for DHCP to forward requests to the designated server?
A. Trunking
B. A forward lookup zone
C. A proxy server
D. An IP helper
A network administrator wants to ensure devices on the network are not susceptible to published exploits. Which of the following will the administrator MOST likely conduct?
A. A port scan
B. A vulnerability scan
C. A packet analysis
D. A network log review
A network technician needs to implement a network security control on a switch. The solution needs to be non-invasive and prevent guests and unauthorized users from accessing the company's network Which of the following would BEST meet these requirements?
A. Upgrading the firmware
B. Disabling unused ports
C. Reconfiguring the router access list
D. Patching and updating
Which of the following BEST explains why a network engineer would use a wireless mesh network when connecting sensors to a sensor gateway?
A. It creates various paths to a particular destination
B. It increases the overall throughput of the links connecting the devices
C. It provides redundancy if the sensor network experiences broad wireless interference
D. It allows autonomous communication if the sensor network goes down
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