A network administrator is troubleshooting a client's device that cannot connect to the network. A physical
inspection of the switch shows the RJ45 is connected. The NIC shows no activity lights. The network
administrator moves the device to another location and connects to the network without issues. Which of the
following tools would be the BEST option for the network administrator to use to further troubleshoot?


A. Tone generator
B. Multimeter
C. Optical time-domain reflectometer
D. Cable tester

A network administrator is investigating reports about network performance and finds high utilization on a
switch uplink. The administrator is unsure whether this is an anomaly or normal behavior that will require an
upgrade to resolve. Which of the following should the administrator reference to gain historical perspective?


A. Device configuration review
B. ARP table export
C. Service-level agreement
D. Network performance baseline

An organization would like to implement a disaster recovery strategy that does not require a facility agreement
or idle hardware. Which of the following strategies MOST likely meets the organization's requirements?


A. Cloud site
B. Cold site
C. Warm site
D. Hot site

A network technician is working at a new office location and needs to connect one laptop to another to transfer
files. The laptops are newer models and do not have Ethernet ports. Access points are not available either.
Which of the following types of wireless network SSIDs does the network technician need to configure to be
able to connect the laptops together?


A. Independent Basic Service Set
B. Extended Service Set
C. Distribution System Service
D. Basic Service Set

Which of the following would be increased by adding encryption to data communication across the network?


A. Availability
B. Integrity
C. Accountability
D. Confidentiality

Many IP security cameras use RTSP to control media playback. Which of the following default transport layer
port numbers does RTSP use?


A. 445
B. 554
C. 587
D. 5060

An engineer is designing a network topology for a company that maintains a large on-premises private cloud. A
design requirement mandates internet-facing hosts to be partitioned off from the internal LAN and internal
server IP ranges. Which of the following defense strategies helps meet this requirement?


A. Implementing a screened subnet
B. Deploying a honeypot
C. Utilizing network access control
D. Enforcing a Zero Trust model

An IT technician installs five old switches in a network. In addition to the low port rates on these switches, they
also have improper network configurations. After three hours, the network becomes overwhelmed by
continuous traffic and eventually shuts down. Which of the following is causing the issue?


A. Broadcast storm
B. Collisions
C. IP settings
D. Routing loops

An AP uses a 98ft (30m) Cat 6 cable to connect to an access switch. The cable is wired through a duct close to
a three-phase motor installation. Anytime the three-phase is turned on, all users connected to the switch
experience high latency on the network. Which of the following is MOST likely the cause of the issue?


A. Interference
B. Attenuation
C. Open circuit
D. Short circuit

A company is opening a new building on the other side of its campus. The distance from the closest building to
the new building is 1,804ft (550m). The company needs to connect the networking equipment in the new
building to the other buildings on the campus without using a repeater. Which of the following transceivers
should the company use?


A. 10GBASE-SW
B. 10GBASE-LR
C. 10GBASE-LX4 over multimode fiber
D. 10GBASE-SR