CompTIA Network+ certification : JK0-023

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CompTIA JK0-023 Exam Syllabus Topics:

CompTIA Network+ certification Sample Questions:

1. A new user is reporting connectivity issues. Zach, the network technician, notices that there is no link light on the user's NIC. Which of the following would be used to verify the wiring back to the patch panel?

A) Toner probe
B) Snips
C) Butt set
D) Cable certifier

2. An organization is moving to a new datacenter. During the move, several technicians raise concerns about a system that could potentially remove oxygen from the server room and result in suffocation. Which of the following systems are they MOST likely discussing?

A) HVAC
B) Mantraps at the entry
C) Fire suppression
D) UPS and battery backups

3. Which of the following DNS records would allow for a website to have more than one FQDN?

A) CNAME
B) MX
C) TXT
D) PTR

4. An administrator has added four switches to a campus network. The switch in wiring closet A is only connected to the switch in wiring closet C.
The switch in wiring closet B is connected to the switch in wiring closet C as well as wiring closet D.
The switch in wiring closet D is only connected to the switch in wiring closet B.
Which of the following topologies is represented in this design?

A) Star
B) Ring
C) Bus
D) Mesh

5. CORRECT TEXT
Alter recent changes to the pictured network, several users are unable to access the servers. Only PC1, PC2, PC3, and PC4 are clickable and will give you access to the command prompt and the adapter configuration tabs.
Instructions: Verify the settings by using the command prompt, after making any system changes. Next, restore connectivity by making the appropriate changes to the infrastructure. When you have completed these steps, select the Done button to submit.

Solutions: