What is the primary purpose of Network Address Translation (NAT)?

To assign unique MAC addresses to devices on a network.

To encrypt data transmitted between a private network and the internet.

To allow multiple private IP addresses to share a single public IP address.

To filter traffic based on application-layer content.

What is the primary purpose of an IP address in a network?

To provide a physical hardware identifier burned into the network interface card.

To encrypt data transmitted between two devices.

To translate domain names into human-readable labels.

To uniquely identify a device on a network and enable routing of data to it.

CompTIACloudNetX

Domain 1Objective 1

Core Networking Concepts CNX-001 Practice Questions (Page 5)

Part of the Network architecture design domain, which accounts for 31% of the CNX-001 exam. CompTIA does not publish an official question count, but from its 165-minute exam (~65–110 total, ~20–34 in this domain), expect 4–7 from this objective — we provide 27 practice questions to prepare you well beyond it. (estimate)

27questions here

6free pages

8concepts

31%of the exam

Questions 21–25

21foundation · easy
In the OSI model, which layer is responsible for routing packets across different networks?
Select an answer first
22foundation · easy
What is the primary purpose of Network Address Translation (NAT)?
Select an answer first
23foundation · easy
What is the primary purpose of an IP address in a network?
Select an answer first
24application · medium
A network administrator is configuring a firewall to allow DNS queries from internal hosts to an external DNS server. DNS uses UDP for queries and TCP for zone transfers. Which protocol should be allowed for standard DNS queries?
Select an answer first
25foundation · easy
Which routing protocol is specifically designed to exchange routing information between different autonomous systems on the internet?
Select an answer first

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Core Networking Concepts CNX-001 Practice Questions (Page 5)

Questions 21–25

In the OSI model, which layer is responsible for routing packets across different networks?

What is the primary purpose of Network Address Translation (NAT)?

What is the primary purpose of an IP address in a network?

A network administrator is configuring a firewall to allow DNS queries from internal hosts to an external DNS server. DNS uses UDP for queries and TCP for zone transfers. Which protocol should be allowed for standard DNS queries?

Which routing protocol is specifically designed to exchange routing information between different autonomous systems on the internet?

Keep studying — Network architecture design