1.2 Compare and contrast networking appliances, applications, and functions.
Objective 1.2 sits in Networking Concepts, which carries 23% of the Network+ exam. The questions below are original, written from the official objective title above, and each explanation cites the CompTIA page it rests on.
Objective title verbatim from the official objectives. CompTIA exam page ↗
A worked example
Shown solved, with the whole explanation open: this is what every question here carries.
A virtual machine sits behind an internal standard load balancer in a private virtual network. Users report the VM cannot reach any internet resources. Which change restores outbound connectivity?
The concept
An internal (private) load balancer only manages traffic within the private network and does not provide outbound internet paths, unlike a public load balancer or public IP assignment.
Why this answer
Replacing or supplementing the internal load balancer with a public load balancer gives the resource a path to the internet for outbound traffic.
- AA proxy server can relay traffic but is not the appliance described as resolving this specific outbound gap in the scenario's network design.
- BAdding a NIC changes local connectivity options but does not provide an internet-facing path.
- CNetwork attached storage handles file-level storage access, not internet connectivity.
- Correct: a public load balancer provides the outbound path that an internal load balancer alone does not.
Now you: objective 1.2 questions
No account needed. The explanation opens when you answer.
Sample question 1 of 3
An engineer deploys a virtual machine inside a virtual network specifically to inspect incoming traffic and block connections that do not match allowed port and protocol rules before reaching production servers. This VM is functioning as which appliance?
Sample question 2 of 3
VLAN 10 and VLAN 20 are configured on a switch, and a trunk link now carries both VLANs to a second switch. Devices in VLAN 10 still cannot reach devices in VLAN 20. What is still required?
Sample question 3 of 3
A network engineer needs a switch interface to operate purely as a Layer 3 interface, without VLAN association, on a point-to-point link to another device. Which interface type should be configured?
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Read the sources
These are the official pages the questions above cite. Reading them is studying the objective from the primary source, which is what the explanations point you toward anyway.
More objectives in Networking Concepts
- 1.1 1.1 Explain concepts related to the Open Systems Interconnection (OSI) reference model.
- 1.3 1.3 Summarize cloud concepts and connectivity options.
- 1.4 1.4 Explain common networking ports, protocols, services, and traffic types.
- 1.6 1.6 Compare and contrast network topologies, architectures, and types.
- 1.7 1.7 Given a scenario, use appropriate IPv4 network addressing.