A network technician is configuring a new subnet on the distribution switch to support 15 network printers. Which of the following available subnets is the best choice to support all 15 printers on the LAN?
A. 10.1.15.0/27
B. 10.8.4.0/30
C. 10.10.8.0/28
D. 10.15.1.0/29
A user is trying to reach an internet destination. A systems administrator thinks that packets are being dropped in transit. Which of the following command-line tools would confirm if the packets are being dropped?
A. nslookup
B. traceroute
C. arp
D. telnet
A network technician is planning the infrastructure for a new data center that will support a 10GBASE-T network. Traffic in the data center is expected to be high, and data integrity is very important. Which of the following would the network technician most likely include in the plan?
A. UTP plenum
B. Cat 6a STP
C. PoE injector
D. Riser Cat 5e
A company that replicated the production environment in a cloud environment is starting to use a load balancer to evenly distribute requests between both environments. Which of the following does this scenario best describe?
A. High availability
B. NIC teaming
C. FHRP
D. Configuration backup
Which of the following attacks can be effectively protected against by using techniques to check if a connection was made by a human user? (Choose two.)
A. Brute-force
B. Dictionary
C. On-path attack
D. Phishing
E. Shoulder surfing
F. Evil twin
A company is upgrading the network switches at its backup data center, which is geographically separated from the main data center. The company hired a contractor to physically install and cable the new switches in their cabinets. Which of the following should the network engineering team provide to ensure the job is completed accurately?
A. Rack diagram
B. IDF diagram
C. Site survey
D. Logical diagram
A network technician needs to determine which RJ45 jack in a patch panel corresponds to the RJ45 drop in the Chief Executive Officer's office. Which of the following tools would be best for the technician to use?
A. Fusion splicer
B. Cable tester
C. Tone generator
D. Spectrum analyzer
A customer is having issues accessing local resources on the network. A technician questions the user and discovers that a small switch had been taken out of storage and installed so that additional devices could be connected in the room. The technician runs the ping command from the PC to the network server and does not find any issues. However, data transfers to the server are slow, and the transfer appears to be locked up at times. Which of the following is the most likely cause of the issue?
A. Duplexing mismatch
B. Reversed TX/RX pinouts
C. Cable crosstalk
D. Failed transceiver
Users are reporting issues with connecting to the wireless router. The technician discovers neighboring wireless APs that are not part of the network are on the same 5GHz frequency. Which of the following best describes the issue?
A. Distance limitation
B. Absorption
C. Signal-to-noise ratio
D. Interference
When a user makes a VoIP phone call and finishes speaking, the user experiences a delay in hearing a response. Which of the following should the network engineer check?
A. Jitter
B. Latency
C. Bandwidth
D. CRC errors
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