Net+ CertMaster Section 1.1 Test

(a)   is typically used in business and enterprise networks.

• Peer-to-peer
• Client-server
• Intermediate node
• End system

Answer explanation

The client-server model is commonly used in business and enterprise networks because it allows centralized management of resources and services, making it more efficient and secure compared to peer-to-peer networks.

What is an appliance in networking?

• A general-purpose computer

• A specialized computer with an OS designed for a network role

• A device that only stores data

• A protocol for data exchange.

Answer explanation

An appliance in networking refers to a specialized computer with an operating system tailored for specific network functions, unlike general-purpose computers or data storage devices.

What is the role of a server in a client-server network?

• A) Consumes services

• B) Makes network applications and resources available

• C) Only forwards data

• D) Stores data

Answer explanation

In a client-server network, the server's primary role is to make network applications and resources available to clients. This includes providing data, services, and applications, which distinguishes it from merely consuming or forwarding data.

What is the role of firewalls in a network?

• Forward data

• Enforce security rules

• Store data

• Only send data

Answer explanation

Firewalls are crucial for enforcing security rules in a network by monitoring and controlling incoming and outgoing traffic based on predetermined security policies. They do not primarily forward, store, or only send data.

What is an example of a device that forwards data in a network?

• A server

• A client

• A switch

• An application

Answer explanation

A switch is a network device that forwards data packets between devices on the same network. Unlike servers and clients, which provide or consume services, a switch specifically manages data traffic.

What is an example of a useful work done by network services?

• Sending email

• Printing documents

• Creating presentations

• Editing photos

Answer explanation

Sending email is a clear example of useful work done by network services, as it relies on internet connectivity and protocols to facilitate communication between users.

What is an example of a shared application in a network?

• Email

• Video editing

• Graphic design

• Game development

Answer explanation

Email is a shared application that allows multiple users to send, receive, and manage messages over a network, making it a prime example of collaboration. Other options like video editing and graphic design are typically more individual-focused.

Match the following scenarios with their benefits.

• Upgrading the CPU

• Speeding up data processing

• Adding more hard drives

• Joining a local network from across the Internet

• Using a virtual private network

• Increasing storage capacity

• Using advanced design software

• Enhancing graphic design

Answer explanation

Using a virtual private network (VPN) allows users to securely join a local network from anywhere on the Internet, providing privacy and access to network resources remotely.

An Enterprise LAN is (a)  

• A network with only servers
• A network with hundreds or thousand
• A network for home use
• A network for small offices.

Answer explanation

An Enterprise LAN is designed to support a large number of devices, typically involving hundreds or thousands of servers and clients, making it suitable for large organizations rather than just home or small office use.

Match the following scenarios with their typical use of an enterprise WAN.

• Data center operations

• Supporting home networks

• Linking headquarters with regional offices

• Hosting only servers

• Residential internet setup

• Connecting a main office with multiple branch offices

• Small peer-to-peer network

• Connecting a few computers

Answer explanation

A typical use of an enterprise WAN is connecting a main office with multiple branch offices, allowing for efficient communication and resource sharing across different locations.