CompTIA Network+ N10-009 Certification Exam Objectives

These flashcards cover the key concepts and objectives of the CompTIA Network+ N10-009 Certification Exam, including networking concepts, implementation strategies, security measures, and troubleshooting techniques.

Name one key concept related to the OSI reference model.

Layer 2 - Data Link.

What is the purpose of network functions virtualization (NFV)?

To virtualize network services that have traditionally been run on proprietary hardware.

List two cloud service models.

Infrastructure as a Service (IaaS) and Software as a Service (SaaS).

What does the term 'multitenancy' refer to in cloud concepts?

It refers to a single instance of software serving multiple tenants, where each tenant's data is isolated.

Which protocol is used for dynamic IP address allocation?

Dynamic Host Configuration Protocol (DHCP).

What are two transmission media types for networks?

Wired (e.g., Ethernet) and Wireless (e.g., Wi-Fi).

Explain the importance of using firewalls in network security.

Firewalls help to protect networks by controlling incoming and outgoing traffic based on predetermined security rules.

What is a common network monitoring protocol?

Simple Network Management Protocol (SNMP).

Define Recovery Time Objective (RTO) in disaster recovery concepts.

The target amount of time to restore a system after a disaster.

What is the purpose of a Virtual Local Area Network (VLAN)?

To segment a network into separate broadcast domains for improved performance and security.

List two common types of network attacks.

Denial-of-Service (DoS) attack and phishing.

What role does a Network Access Control (NAC) system play?

It enforces security policy across devices attempting to access network resources.

What is the difference between unicast and broadcast traffic types?

Unicast is one-to-one communication, while broadcast is one-to-all communication.

What is Zero Trust Architecture (ZTA)?

It is a security model that requires strict identity verification for every person and device trying to access resources on a network.