Which of the following is used to track and document various types of known vulnerabilities?


A. CVE
B. Penetration testing
C. Zero-day
D. SIEM
E. Least privilege

A technician is configuring a network switch to be used in a publicly accessible location. Which of the following should the technician configure on the switch to prevent unintended connections?


A. DHCP snooping
B. Geofencing
C. Port security
D. Secure SNMP

A technician is installing a high-density wireless network and wants to use an available frequency that supports the maximum number of channels to reduce interference. Which of the following standard 802.11 frequency ranges should the technician look for while reviewing WAP specifications?


A. 2.4GHz
B. 5GHz
C. 6GHz
D. 900MHz

A company hired a technician to find all the devices connected within a network. Which of the following software tools would BEST assist the technician in completing this task?


A. IP scanner
B. Terminal emulator
C. NetFlow analyzer
D. Port scanner

A new cabling certification is being requested every time a network technician rebuilds one end of a Cat 6 (vendor-certified) cable to create a crossover connection that is used to connect switches. Which of the following would address this issue by allowing the use of the original cable?


A. CSMA/CD
B. LACP
C. PoE+
D. MDIX

A user reports being unable to access network resources after making some changes in the office. Which of the following should a network technician do FIRST?


A. Check the system's IP address
B. Do a ping test against the servers
C. Reseat the cables into the back of the PC
D. Ask what changes were made

An IT organization needs to optimize speeds for global content distribution and wants to reduce latency in high- density user locations. Which of the following technologies BEST meets the organization's requirements?


A. Load balancing
B. Geofencing
C. Public cloud
D. Content delivery network
E. Infrastructure as a service

Which of the following provides redundancy on a file server to ensure the server is still connected to a LAN even in the event of a port failure on a switch?


A. NIC teaming
B. Load balancer
C. RAID array
D. PDUs

A technician is searching for a device that is connected to the network and has the device's physical network address. Which of the following should the technician review on the switch to locate the device's network port?


A. IP route table
B. VLAN tag
C. MAC table
D. QoS tag

A technician is installing a new fiber connection to a network device in a datacenter. The connection from the device to the switch also traverses a patch panel connection. The chain of connections is in the following order:
Device
LC/LC patch cable
Patch panel
Cross-connect fiber cable
Patch panel
LC/LC patch cable
Switch
The connection is not working. The technician has changed both patch cables with known working patch cables. The device had been tested and was working properly before being installed. Which of the following is the MOST likely cause of the issue?


A. TX/RX is reversed
B. An incorrect cable was used
C. The device failed during installation
D. Attenuation is occurring