chapter 1-6 1480
What is the primary purpose of subnetting in IP addressing?
To divide an IP network into smaller, manageable segments.
Which cable type is most commonly used for Ethernet connections in modern networks, offering high data transfer rates and reduced interference?
Cat6
Which of the following is not a common network protocol used for email communication?
HTTPS
Your organization is implementing a wireless network with a high level of security. Which encryption protocol is considered the most secure for Wi-Fi networks?
WPA2
In a network using the CIDR notation, what does the subnet mask "255.255.255.0" represent?
/24
You need to configure a router to forward traffic from the internal network to the internet. What network protocol is commonly used for this purpose?
NAT
In a typical IPv4 address (e.g., 192.168.1.1), what does the "192.168.1" part represent?
Network portion
Your company's wireless network is experiencing interference, and you suspect other electronic devices are the source. Which wireless frequency band is more prone to interference from microwave ovens and cordless phones?
2.4 GHz
What cable type is commonly used for long-distance, high-speed data transmission and is immune to electromagnetic interference?
Fiber-optic
You need to establish a secure, remote connection to a corporate network. Which protocol is commonly used for creating a secure VPN tunnel?
SSL
You are setting up a small office network, and you need to ensure efficient communication between different departments. Which network topology is the most suitable for minimizing cable usage while maintaining redundancy and reliability?
Mesh
A user reports issues with slow wireless network speeds and frequent disconnections in a crowded office environment. What wireless network feature can help alleviate this problem by providing more efficient use of available channels?
DFS (Dynamic Frequency Selection)
You are responsible for configuring a router that connects your local network to the internet. Which protocol is typically used for translating private IP addresses to a public IP address for internet access?
NAT
You need to establish a secure, encrypted connection to a remote web server to protect sensitive data transmission. Which protocol would you use to ensure secure web browsing?
TLS
You are setting up a network in a manufacturing facility with a high potential for electromagnetic interference (EMI). Which type of cable is the best choice to minimize the impact of EMI on the network signal?
Shielded twisted pair (STP)
A user is having trouble accessing a specific website, while other websites load fine. What protocol is used to translate domain names into IP addresses and may be causing the issue?
DNS
In a network diagram, which symbol represents a network device responsible for filtering traffic based on MAC addresses and making forwarding decisions at the data link layer?
Switch
You are responsible for securing sensitive data transfers over the internet. Which protocol is commonly used to encrypt data in transit and protect against eavesdropping?
TLS
You are tasked with setting up a remote connection to a corporate network, and security is a top priority. Which VPN (Virtual Private Network) protocol is known for its strong security features and is often used for remote access?
IPSec
In a large enterprise network, you need to allow or deny network traffic based on source and destination IP addresses. Which networking device or feature is commonly used for this purpose?
Router
You are configuring a network in a home office, and you need to establish a secure wireless connection between your computer and the wireless access point. Which wireless security protocol provides the highest level of security for this scenario?
WPA2