Answers
Port replicator - Answer -✔✔ A laptop user has a slim laptop that has very few
external ports. As there is no Ethernet port on the laptop, it only uses wireless. The user
would like a low-cost solution that allows for an Ethernet connection when not traveling.
What does IT purchase for the user?
Contact the ISP - Answer -✔✔ A network administrator noticed that latency has been
higher than their service-level agreement (SLA) covers for quite some time. What
should they do?
Near-field - Answer -✔✔ A company looks into security controls for an entryway into
a building. The chosen solution will use a chip for data transmission and another chip
for receiving data over the air. Which solution uses this technique?
Bluetooth - Answer -✔✔ An automobile allows for connecting a smartphone or tablet
for entertainment and audio purposes. Pairing the two occurs with which technology?
Network access server/point, Supplicant, AAA server - Answer -✔✔ What are the
main components of authentication, authorization, and accounting that securely and
adequately connect devices to a network? (Select all that apply.)
Platform as a service (PaaS) - Answer -✔✔ A government organization wants to
develop their own application to process information, but they do not want to be
responsible for maintaining the hardware or the database platform that the application
runs on. Additionally, the organization does not want to be burdened with maintaining
the integrity and availability of the database platform because they will be very busy with
other responsibilities. Which service would be best for the government organization to
pursue?
SCADA - Answer -✔✔ A growing manufacturing company wants to better manage all
of its controlled systems in various plants around the city. After speaking with a
technology vendor, what type of system would they recommend investing in for this
solution?
Server Message Block - Answer -✔✔ Which application protocol underpins file and
printer sharing on Windows networks and usually runs directly over the TCP/445 port?
Typically supports up to four simultaneous clients, downlink MU-MIMO, designed to
work only in the 5 GHz band - Answer -✔✔ What characteristics of Wi-Fi 5
, (802.11ac) allow for increased bandwidth and support for modern networks? (Select all
that apply.)
Use a new bulb. - Answer -✔✔ A projector made a popping noise during a
presentation, and then the display went out. What will fix the problem?
(A) record - Answer -✔✔ A developer asks that any network requests made to the
host name dev23.company.net get directed to a specific IP address of 10.130.25.15.
What type of record will the developer need to create?
802.3at - Answer -✔✔ A network technician installs wireless access points (APs) in
an office and would like to use the power over Ethernet (PoE) features available. The
specific model of APs available requires a draw of 20W with a minimum current of 450
mA. Which Institute of Electrical and Electronics Engineers (IEEE) PoE standard best
suits this requirement?
Check the physical cords. - Answer -✔✔ A network administrator is looking at a
user's box which seems to have intermittent connectivity issues. Which of the following
should they do first?
Cable tester - Answer -✔✔ A user reports that their PC can not access the internet
and internal network resources. The user also reports that the internet is intermittent
throughout the day. A technician confirmed that the Ethernet cable is connected
securely to the PC and the wall port. What tool should an engineer bring with them to
investigate this further?
Sandbox - Answer -✔✔ What can a cloud developer use to analyze viruses, worms,
and Trojans without infecting their computer and network?
PostScript - Answer -✔✔ A technician is using a printer that has text-to-raster
conversion. Which of the following is this?
Type B - Answer -✔✔ Which universal serial bus (USB) 2 connector is square with a
beveled top that a technician can use for printers?
Hypertext Transfer Protocol Secure (HTTPS) - Answer -✔✔ This protocol provisions
secure websites and services and uses port 443.
Capture card - Answer -✔✔ A video gamer is using a product designed to record
footage from computer games. What is this called?
Battery utilization - Answer -✔✔ A user's phone charge only lasts two hours. The
phone is new and has not suffered any damage. What should the user check next?
SMART - Answer -✔✔ What tool can help diagnose extended read/write times?