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Q71. A company wants to create highly available datacenters. Which of the following will allow the company to continue to maintain an Internet presence at all sites in the event that a WAN circuit at one site goes down?
A. Load balancer
Q72. It has been determined by network operations that there is a severe bottleneck on the company's mesh topology network. The field technician has chosen to use log management and found that one router is making routing decisions slower than others on the network. This is an example of which of the following?
A. Network device power issues
B. Network device CPU issues
C. Storage area network issues
D. Delayed responses from RADIUS
Q73. A network technician receives the following alert from a network device:
"High utilizations threshold exceeded on gi1/0/24 : current value 9413587.54"
Which of the following is being monitored to trigger the alarm?
A. Speed and duplex mismatch
B. Wireless channel utilization
C. Network device CPU
D. Network device memory
E. Interface link status
Q74. A technician has verified that a recent loss of network connectivity to multiple workstations is due to a bad CAT5 cable in the server room wall. Which of the following tools can be used to locate its physical location within the wall?
A. Cable certifier
C. Cable tester
D. Toner probe
Q75. After a recent breach, the security technician decides the company needs to analyze and aggregate its security logs. Which of the following systems should be used?
A. Event log
Q76. Ann, a user, is experiencing an issue with her wireless device. While in the conference area, the wireless signal is steady and strong. However, at her desk the signal is consistently dropping, yet the device indicates a strong signal. Which of the following is the MOST likely cause of the issue?
A. Signal-to-noise ratio
B. AP configuration
C. Incorrect SSID
Q77. A technician is tasked with connecting a router to a DWDM. The technician connects the router to the multiplexer and confirms that there is a good signal level. However, the interface on the router will not come up. Which of the following is the MOST likely cause?
A. The wrong wavelength was demuxed from the multiplexer.
B. The SFP in the multiplexer is malfunctioning.
C. There is a dirty connector on the fiber optic cable.
D. The fiber optic cable is bent in the management tray.
Q78. A technician, Joe, needs to troubleshoot a recently installed NIC. He decides to ping the local loopback address. Which of the following is a valid IPv4 loopback address?
Q79. Which of the following network devices use ACLs to prevent unauthorized access into company systems?
C. Content filter
D. Load balancer
Q80. An attacker has connected to an unused VoIP phone port to gain unauthorized access to a network. This is an example of which of the following attacks?
A. Smurf attack
B. VLAN hopping
D. Spear phishing
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