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1.
A technician is troubleshooting a wired device on the network. The technician notices that the link light on the NIC does not illuminate. After testing the device on a different RJ-45 port, the device connects successfully. Which of the following is causing this issue?
2.
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?
3.
While troubleshooting a network outage, a technician finds a 100-meter fiber cable with a small service loop and suspects it might be the cause of the outage. Which of the following is MOST likely the issue?
4.
A network technician has been assigned to install an additional router on a wireless network. The router has a different SSID and frequency. All users on the new access point and the main network can ping each other and utilize the network printer, but all users on the new router cannot get to the Internet. Which of the following is the MOST likely cause of this issue?
5.
While troubleshooting a connectivity issue, a network technician determines the IP address of a number of workstations is 169.254.0.0/16 and the workstations cannot access the Internet. Which of the following should the technician check to resolve the problem?
6.
A network engineer is troubleshooting an issue with a computer that is unable to connect to the Internet. The network engineer analyzes the following output from a
command line utility:
Network Destination Netmask GatewayInterface
192.168.1.0 255.255.255.0 192.168.1.254 eth0
192.168.1.10 255.255.255.255 192.168.1.10 eth0
127.0.0.1 255.0.0.0 On-Link lo
127.0.0.0 255.0.0.0 On-Link lo
255.255.255.255 255.255.255.255 102.168.1.10 eth0
Which of the following is the reason for the computer issue, given the above output?
command line utility:
Network Destination Netmask GatewayInterface
192.168.1.0 255.255.255.0 192.168.1.254 eth0
192.168.1.10 255.255.255.255 192.168.1.10 eth0
127.0.0.1 255.0.0.0 On-Link lo
127.0.0.0 255.0.0.0 On-Link lo
255.255.255.255 255.255.255.255 102.168.1.10 eth0
Which of the following is the reason for the computer issue, given the above output?
7.
Which of the following WAN technologies is associated with high latency?
8.
A PC technician has installed a new network printer that was preconfigured with the correct static IP address, subnet mask, and default gateway. The printer was installed with a new cable and appears to have link activity, but the printer will not respond to any network communication attempts. Which of the following is MOST likely the cause of the problem?
9.
A network administrator recently installed a web proxy server at a customer's site. The following week, a system administrator replaced the DNS server overnight. The next day, customers began having issues accessing public websites. Which of the following will resolve the issue?
10.
Two weeks after installation, a network technician is now unable to log onto any of the newly installed company switches. The technician suspects that a malicious user may have changed the switches' settings before they were installed in secure areas. Which of the following is the MOST likely way in which the malicious user gained access to the switches?