CompTIA A+ Core 1 (220-1201) Practice Exam questions and well detailed answers

CompTIA A+ Core 1 (220-1201) Practice Exam questions and well
detailed answers

,CompTIA A+ Core 1 (220-1201) Practice Exam questions and well
detailed answers
Which default TCP port is used by Secure Shell (SSH) for
encrypted remote command-line administration?
A. Port 21
B. Port 22
C. Port 23
D. Port 80
Answer: B (Port 22). SSH runs on TCP port 22.
What RAID level provides striping with distributed parity and
requires a minimum of three drives?
A. RAID 0
B. RAID 1
C. RAID 5
D. RAID 10
Answer: C (RAID 5). RAID 5 requires at least 3 drives and offers
striping with parity.
Which cloud service model provides underlying hardware,
operating systems, and networking while leaving application
management to the client?
A. SaaS
B. PaaS

,CompTIA A+ Core 1 (220-1201) Practice Exam questions and well
detailed answers
C. IaaS
D. DaaS
Answer: B (PaaS)
Which hardware tool should a technician use to check the DC
voltage output of a computer power supply?
A. Loopback plug
B. Multimeter
C. Cable tester
D. Toner probe
Answer: B (Multimeter)
Which wireless technology is best suited for connecting a
wireless mouse and headset simultaneously to a smartphone
over a short distance?
A. NFC
B. Infrared
C. Bluetooth
D. Cellular tethering
Answer: C (Bluetooth)
Which network device operates at Layer 2 and forwards data
frames based on physical MAC addresses?

, CompTIA A+ Core 1 (220-1201) Practice Exam questions and well
detailed answers
A. Hub
B. Switch
C. Router
D. Modem
Answer: B (Switch)
What default port does HTTP use for unencrypted web traffic?
A. Port 21
B. Port 80
C. Port 443
D. Port 3389
Answer: B (Port 80)
Which cable type uses an RJ-45 connector and is most
commonly used for modern Ethernet LAN connections?
A. Coaxial
B. Twisted-pair (UTP/STP)
C. Fiber optic LC
D. Serial RS-232
Answer: B (Twisted-pair)
What is the primary function of a DHCP server on a network?