A junior technician deployed new computers in a company, and users are reporting issues with file transfers to network shares being slower than with the previous computers. The network administrator verifies the switch's gigabit ports are set to autonegotiate. Which of the following should the administrator perform NEXT to determine the issue?
A. Change the default gateway on the new computers.
B. Update the drivers for the NIC cards.
C. Move the computers to a different VLAN.
D. Determine if the NIC speed on the computers is configured correctly.
A network engineer is surveying the existing wireless infrastructure to propose additional changes to increase throughput. The SSID is already on an uncongested 5GHz frequency. Which of the following should the engineer configure?
A. Channel bonding
B. 802.11a
C. Dual-band frequency
D. An omnidirectional antenna
Which of the following should a technician use to keep the STP topology predictable and consistent?
A. Root guard
B. Flood guard
C. Dynamic ARP inspection
D. Ingress ACLs
A malicious user sent double-tagged frames on an 802.1Q-enabled port and immediately gained access to additional network resources. Which of the following attacks did the malicious user successfully execute?
A. Evil twin
B. Man-in-the-middle
C. DNS poisoning
D. VLAN hopping
A rural municipality has built an external public WiFi meshed network using omnidirectional antennas. After the initial build, the performance meets expectations, and the municipality enters a six-month pilot program in the fall. By the end of the pilot program in the spring, the performance has fallen dramatically. The pilot has a static number of users with no increases in usage from beginning to end. Which of the following would be the MOST likely reason for the performance issues?
A. Too many users in the pilot creating overcapacity issues
B. Buildings creating reflection issues
C. Omnidirectional antennas being insufficient for outdoor use
D. Foliage creating absorption issues
A client utilizes mobile tablets to view high-resolution images and videos via WiFi within a corporate office building. The previous administrator installed multiple high-density APs with WiFi 5, providing maximum coverage, but the measured performance is still below expected levels. Which of the following would provide the BEST solution?
A. Channel bonding
B. EIRP power settings
C. Antenna polarization
D. A directional antenna
A software company is hosting a seminar at a local conference center to unveil its latest software release. As the clients begin to arrive and connect their mobile devices to the wireless network, users begin to report connectivity and throughput issues. Which of the following should the network technicians do to resolve the reported issues quickly?
A. Call the ISP to increase the bandwidth.
B. Provision and deploy additional WAPs.
C. Run Cat 6 cable to each of the WAPs.
D. Upgrade the wireless network to the newest standard.
A network administrator needs to bring a new building online that houses multiple departments. The departments vary in size, with the smallest having 25 hosts and the largest having 140 hosts. When designing the addressing scheme for the new building, which of the following should the network administrator use lo limit the number of wasted IP addresses?
A. Public IPs
B. Private IPs
C. DHCP
D. VLSM
E. Reserved IPs
A user from a remote office is reporting slow file transfers. Which of the following tools will an engineer MOST likely use to get detailed measurement data?
A. Packet capture
B. iPerf
C. NetFlow analyzer
D. Internet speed test
A customer wants a technician to implement a solution that will allow its critical on-site servers to continue to function in the event of an extended power outage. Which of the following should the technician recommend?
A. Warm site
B. Load balancer
C. Power generator
D. Hot site
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