A user has been reporting issues with connection to all resources. The PC is not getting an IP address and does not report a connection to the LAN. A new Cat 5e cable has been installed between the PC and the jack, but the issue persists. Which of the following should the technician do NEXT?

• A.Use a tone generator to trace the cable to the patch panel.
• B.Connect a physical loopback adapter to the PC's Ethernet jack to test the NIC.
• C.Remove the network jack and reconnect cabling.
• D.Use a crimping tool to replace the RJ45 ends of the patch cable.

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A network administrator wants to narrow the scope of a subnet to two usable IP addresses within a class C network. Which of the following is the correct CIDR notation?

• A.10.10.50.0/30
• B.172.16.20.0/30
• C.192.1.0.124/30
• D.192.168.0.192/24
• E.192.170.10.0/24

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A technician needs to limit the amount of broadcast traffic on a network and allow different segments to communicate with each other. Which of the following options would satisfy these requirements?

• A.Add a router and enable OSPF.
• B.Add a layer 3 switch and create a VLAN.
• C.Add a bridge between two switches.
• D.Add a firewall and implement proper ACL.

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Which of the following allows a central point to simultaneously address other points without addressing all of them?

• A.Unicast
• B.Broadcast
• C.Subnetting
• D.Multicast

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A corporate manager says wireless phones do not work property inside the mam budding. After a troubleshooting process the network administrator detects that the voice packets are arriving on the wireless phones with different delay times. Which of the following performance issues is the company facing?

• A.Frequency mismatch
• B.Latency
• C.Attenuation
• D.Jitter

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