D315 Network and Security Foundations - Set 3 - Part 2

Test your knowledge of technical writing concepts with these practice questions. Each question includes detailed explanations to help you understand the correct answers.

Question 21: Which wireless encryption protocol is now considered insecure and should not be used?

WPA

WEP

WPA2

WPA3

Question 22: What type of attack involves overwhelming a system with traffic to prevent legitimate access?

Spoofing

Phishing

Denial of Service (DoS)

Man-in-the-middle

Question 23: In networking, what does NAT stand for?

Network Address Translation

Network Access Technology

Network Address Tunneling

Network Access Transfer

Question 24: What is the function of the Data Link layer in the OSI model?

To manage data encryption

To handle physical addressing and error detection

To route data between networks

To control data flow

Question 25: What wireless standard operates on both 2.4 GHz and 5 GHz frequencies?

802.11a

802.11b

802.11g

802.11n

Question 26: Which command is used to view network connections in real-time on a Windows computer?

nslookup

ping

netstat

ipconfig

Question 27: What does IP stand for in networking?

Internet Protocol

Internet Protection

Internal Program

Information Packet

Question 28: What is a subnet mask used for?

To assign IP addresses

To route data between networks

To divide a network into smaller sub-networks

To monitor network traffic

Question 29: Which OSI layer is responsible for packet sequencing and data segmentation?

Application

Transport

Data Link

Network

Question 30: What is the purpose of ARP (Address Resolution Protocol)?

To translate domain names into IP addresses

To route data between networks

To resolve IP addresses to MAC addresses

To assign IP addresses

Question 31: Which device connects multiple networks and directs network traffic based on IP addresses?

Switch

Router

Repeater

Hub

Question 32: What is the maximum theoretical data transfer rate of a CAT5e cable?

100 Mbps

1 Gbps

10 Gbps

100 Gbps

Question 33: What does the ping command test in networking?

IP address resolution

DNS lookup

Connectivity between devices

File transfer speed

Question 34: Which OSI layer is responsible for managing data exchange between applications?

Session

Presentation

Network

Transport

Question 35: What is the function of a proxy server in a network?

To manage IP addresses

To encrypt data

To act as an intermediary between a client and a server

To monitor network traffic

Question 36: Which network topology connects all devices to a single central point?

Star

Ring

Bus

Mesh

Question 37: What type of attack involves pretending to be someone else to gain unauthorized access?

Phishing

Spoofing

Denial of Service

Man-in-the-middle

Question 38: What is the function of a switch in a network?

To connect multiple networks

To broadcast data to all devices

To forward data to the correct device based on MAC addresses

To encrypt data

Question 39: What is the purpose of port forwarding in a router?

To block unauthorized access

To allow external devices to access internal network services

To encrypt data transmissions

To filter network traffic

Question 40: What is a VPN used for in networking?

To monitor network activity

To block unauthorized access

To provide secure remote access over the internet

To assign IP addresses

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