CompTIA exam questions
A network technician receives a spool of Cat 6a cable and is asked to build several cables for a new set of Ethernet runs between devices. Which of the following tools are MOST likely needed to complete the task? (Choose three.)
A. Wire stripper
B. Cable crimper
C. RJ-11 connectors
D. RJ-45 connectors
E. Multimeter
F. Punchdown tool
G. Tone generator
A network technician is troubleshooting an end-user connectivity problem. The network technician goes to the appropriate IDF but is unable to identify the appropriate cable due to poor labeling. Which of the following should the network technician use to help identify the appropriate cable?
A. Tone generator
B. Multimeter
C. OTDR
D. Loopback adapter
A telecommunications provider has just deployed a new OC-12 circuit at a customer site. While the circuit showed no errors from the provider end to the customer’s demarcation point, a network administrator is trying to determine the cause of dropped packets and errors on the circuit. Which of the following should the network administrator do to rule out any problems at Layer 1? (Choose two.)
A. Use a loopback at the demark and router, and check for a link light
B. Use an OTDR to validate the cable integrity
C. Use a pinout tester to validate the cable integrity
D. Use a multimeter to validate the cable integrity
E. Check for any devices that may be causing EMI on the cable
F. Clean the cables to be sure they are free of dust and debris
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
B. Multimeter
C. Cable tester
D. Toner probe
A technician is diagnosing an issue with a new T1 connection. The router is configured, the cable is connected, but the T1 is down. To verify the configuration of the router, which of the following tools should the technician use?
A. Loopback adapter
B. Cable tester
C. Tone generator
D. Multimeter
A technician is having connectivity issues with a clients machine. The clients wall jack passed testing and the technician also uses a loopback to test the NIC on the PC and it also passed testing. Which of the following tools would a technician use to test between the wall jack and the PC?
A. Toner probe
B. Multimeter
C. Wireless locator
D. Cable tester
A technician is using a test tool that is displaying the current voltage output of a power supply on the tool. Which of the following tools is the technician using?
A. Loopback plug
B. Cable tester
C. POST card
D. Multimeter
A user states that their workstation is showing limited or no connectivity and they are unable to access any network shares. The technician verifies that the workstation is configured correctly. They also replace the Ethernet cable from the workstation to the wall port. Which of the following tools should the technician use NEXT in order to continue troubleshooting this issue?
A. Toner probe
B. Multimeter
C. Time domain reflectometer
D. Loopback plug
A technician has just installed and terminated a new CAT5 network cable. The device using the cable cannot connect to the network. Which of the following tools would be BEST in troubleshooting this issue?
A. Cable tester
B. Network analyzer
C. Multimeter
D. Toner probe
When removing the top case from a laptop, which of the following, besides hand tools, should a technician have on hand to assure correct disassembly and reassembly? (Select TWO).
A. A multimeter and a toner probe.
B. A large cloth to spread the screws and disassembled parts on.
C. A writing pad for documentation and a marker to label cables.
D. A manufacturers technical manual for the model of the laptop.
E. A container with separated areas to store different size screws.