A company recently moved to a new building that was designed with WiFi only. During the first month, users reported good WiFi coverage. However, after the first month, users began reporting slow speeds and constant disconnects. Upon investigation, an engineer determines the SNR is currently 10dB compared to a baseline SNR of 42dB. Which of the following is MOST likely causing the WiFi issues?
A. Latency
B. Jitter
C. Channel overlap
D. Interference
A technician needs to design a switched LAN that contains multiple departments that should not be able to access the same resources. Which of the following protocols should be utilized to allow the switches to forward traffic?
A. 802.1q
B. 802.1X
C. 802.3af
D. 802.3at
A customer has asked a technician to install a single device that can perform firewall and routing functions, act as an early warning system and report breaches, and perform real-time packet inspection using heuristic analysis. Which of the following devices should the technician suggest?
A. An AAA server
B. A load balancer
C. A UTM appliance
D. A multilayer switch
E. A proxy server
Which of the following would be the BEST way to track all the networks that are in use at an organization?
A. DHCP
B. IPAM
C. Scope options
D. Lookup zone
A Chief Financial Officer (CFO) was having difficulty connecting a tablet to the wireless network in a home office and called the network administrator for help. The CFO could not remember the SSID passkey, so the network administrator recommended using the push-button authentication on the wireless router. Which of the following security technologies did the CFO use?
A. WPA
B. WPS
C. WAP
D. WAF
An administrator implemented a wireless network in a warehouse for an employee to scan inventory as it arrives and is shipped out. The scanners are proprietary devices that connect to the wireless network, but they have no configuration options beyond connecting via DHCP. Which of the following should the administrator implement to harden the wireless network without negatively affecting the scanners' ability to connect?
A. Secure the wireless network using PEAP authentication for connecting devices.
B. Implement a two-factor authentication method for the wireless network.
C. Allow only devices with statically assigned IP addresses to connect to the network.
D. Configure the wireless network to allow connections based on hardware address only.
Which of the following network security practices is focused on securing endpoints?
A. Switchport protection
B. Device hardening
C. Network segmentation
D. Connection encryption
A technician is installing new equipment in a datacenter and needs to identify the appropriate power and network connections. Which of the following should the technician use?
A. Network configuration
B. Logical topology
C. Rack diagrams
D. Work instructions
Which of the following attacks uses publicly accessible DNS servers to maximize the payload that is sent to a victim's network?
A. PDoS
B. Amplified DDoS
C. Brute force
D. DNS poisoning
A network team has reported multiple outages caused by unauthorized access to the IDF. Which of the following would BEST prevent this issue from reoccurring?
A. Video surveillance
B. Badge readers
C. Motion sensors
D. Tamper switches
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