Chapter 1 - 3 (Introduction to Network)

1. A user is implementing security on a small office network. Which two actions would provide the minimum security requirements for this network? (Choose two.)

• • implementing an intrusion detection system

• • implementing a firewall

• • installing a wireless network

• • installing antivirus software

• • adding a dedicated intrusion prevention device

What type of device is used to connect multiple networks together?

• Access point

• Switch

• Hub

• Router

What is the primary purpose of network protocols?

• To connect devices physically

• To restrict user access

• To ensure devices can communicate

• To secure the network

What is the purpose of using the 'enable' command in the Cisco IOS?

• To configure a network interface

• To reset the router

• To enter privileged EXEC mode

• To enter global configuration mode

Which of the following is a characteristic of the console port?

• It is used for connecting devices wirelessly.

• It is used for direct, physical access to the device.

• It allows remote management of the device.

• It requires an IP address to be configured.

How do you save the running configuration to NVRAM on a Cisco device?

Which layer of the OSI model is responsible for addressing and routing packets?

• Network

• Physical

• Data Link

• Transport

Which protocol operates at the Transport layer and is connection-oriented?

• ICMP

• UDP

• IP

• TCP

In the OSI model, which layer is responsible for providing error detection and correction?

• Physical

• Data Link

• Network

• Presentation

Which of the following best describes an IP address?

• A static identifier assigned by the network administrator

• A number that identifies the device’s location in the OSI model

• A physical address

• A unique identifier for a network interface on a device