Which scenario best describes how NAT is used in a home network?

A router converts wireless signals to wired signals

A router assigns a unique public IP address to each device on the network

A router allows multiple devices to share a single public IP address when accessing the internet

A router blocks all incoming traffic to protect the network

What is the primary purpose of Bluetooth technology in networking?

To provide high-bandwidth data transfer over long distances

To provide long-range wireless internet access

To enable short-range wireless communication between devices

To replace wired Ethernet connections

A user's computer is configured to obtain an IP address automatically, but it is not receiving one. The technician checks the DHCP server and finds it is operational. Which of the following is the most likely cause?

The default gateway is misconfigured

The computer's hostname is incorrect

The computer's network cable is unplugged

CompTIAA+ Core 1

Domain 2Objective 1

Protocols and Ports 220-1201 Practice Questions (Page 5)

Part of the Networking domain, which accounts for 23% of the 220-1201 exam. CompTIA does not publish an official question count, but from its 90-minute exam (~35–60 total, ~8–14 in this domain), expect 3–5 from this objective — we provide 31 practice questions to prepare you well beyond it. (estimate)

31questions here

7free pages

10concepts

23%of the exam

Questions 21–25

21foundation · easy
Which scenario best describes how NAT is used in a home network?
Select an answer first
22foundation · easy
What is the primary purpose of Bluetooth technology in networking?
Select an answer first
23application · medium
A technician is configuring a firewall to allow a user to send email from their email client. The email client uses SMTP to send messages. Which port should be allowed for SMTP?
Select an answer first
24application · medium
A user reports that they can access websites by IP address but not by domain name. Which service is most likely misconfigured or failing?
Select an answer first
25application · medium
A user's computer is configured to obtain an IP address automatically, but it is not receiving one. The technician checks the DHCP server and finds it is operational. Which of the following is the most likely cause?
Select an answer first

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Protocols and Ports 220-1201 Practice Questions (Page 5)

Questions 21–25

Which scenario best describes how NAT is used in a home network?

What is the primary purpose of Bluetooth technology in networking?

A technician is configuring a firewall to allow a user to send email from their email client. The email client uses SMTP to send messages. Which port should be allowed for SMTP?

A user reports that they can access websites by IP address but not by domain name. Which service is most likely misconfigured or failing?

A user's computer is configured to obtain an IP address automatically, but it is not receiving one. The technician checks the DHCP server and finds it is operational. Which of the following is the most likely cause?

Keep studying — Networking