CompTIA Network+ Certification Set 3

Which of the following uses types and codes rather than ports?

Two workstations are unable to communicate on the network despite having known good cables. When one device is unplugged from the network the other device functions properly. Which of the following could be the cause of this failure?

Which of the following protocols are used to provide accurate time to network devices?

Hubs are differentiated from switches in that between the two, only hubs have:

A home user states during a basement remodel, one of the workers cut the network cable that goes from the modem to the WAP and nothing else has changed. According to the network troubleshooting methodology, which of the following is the NEXT step?

At which layer of the OSI model do MAC addresses operate?

A network technician recently replaced a managed switch in an enterprise network with a new managed switch. Users on the switch can communicate with each other but now cannot access other network segments. Which of the following is the MOST likely reason that the users are unable to access any network segments?

Users report that they are unable to access the production server with IP address 192.168.30.17. These users need to be provided access without changing any subnet to VLAN information. The VLANs configured on the network are listed below: DepartmentVLAN #Subnet used Marketing20192.168.20.0/28 Customer Service25192.168.20.64/28 Finance30192.168.30.0/28 WHSE35192.168.30.16/28 Sales40192.168.3.16/28 The users experiencing this issue need to be added to which of the following VLANs?

Which of the following addresses is a class B private address?

Which of the following is the minimum subnet mask to allow 172.16.1.5 and 172.16.4.3 to be on the same subnet?