D412 Network Analytics and Troubleshooting - Set 5 - 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: What is the purpose of a subnet mask in an IP network?

To assign MAC addresses to devices

To divide the IP address into network and host portions

To route traffic between networks

To encrypt network communications

Question 22: Which wireless encryption protocol was introduced as a replacement for WEP and uses TKIP for encryption?

WPA

WPA2

SSL

HTTPS

Question 23: What protocol allows devices on a network to request and be assigned IP addresses automatically?

DHCP

DNS

ARP

ICMP

Question 24: Which type of DNS record is used to map a domain name to an IPv4 address?

MX record

PTR record

A record

CNAME record

Question 25: Which protocol is used by network devices to determine the MAC address associated with a known IP address?

DNS

ICMP

ARP

DHCP

Question 26: Which wireless transmission method uses multiple antennas to increase data throughput and reduce signal interference?

OFDM

MIMO

CSMA/CA

WPA2

Question 27: Which port is used by HTTPS to securely transmit web traffic over the internet?

443

Question 28: What is the function of DNS in a network?

To assign IP addresses to devices

To translate domain names into IP addresses

To route packets between networks

To encrypt data transmissions

Question 29: What is the main advantage of using fiber optic cables in a network?

Lower cost

Higher bandwidth and faster data transmission

Simpler installation

More resistance to signal interference

Question 30: Which network security protocol encrypts data transmissions to ensure the confidentiality of web traffic?

HTTPS

FTP

HTTP

POP3

Question 31: Which command is used to view the current IP address configuration on a Linux system?

ping

netstat

ifconfig

traceroute

Question 32: What is the function of the Spanning Tree Protocol (STP) in a switched network?

To encrypt data transmissions

To prevent network loops

To manage IP address assignments

To control VLANs

Question 33: Which of the following is a layer 3 protocol that is responsible for routing data between devices on different networks?

FTP

DHCP

ARP

Question 34: Which wireless networking standard introduced the use of both the 2.4 GHz and 5 GHz frequency bands for improved flexibility?

802.11a

802.11b

802.11g

802.11n

Question 35: Which protocol uses a three-way handshake to establish a reliable connection between two devices?

UDP

TCP

ICMP

Question 36: Which DNS record type is used to map a domain name to an IPv6 address?

A record

PTR record

MX record

AAAA record

Question 37: What is the primary function of a firewall in a network?

To encrypt network communications

To assign IP addresses to devices

To filter incoming and outgoing traffic based on security rules

To route packets between networks

Question 38: Which protocol is responsible for error-checking and sequencing data during transmission?

TCP

ICMP

HTTP

DNS

Question 39: What type of network device is used to forward data between different VLANs on a network?

Router

Switch

Repeater

Hub

Question 40: What is the purpose of a DMZ (demilitarized zone) in network security?

To route internal network traffic

To isolate and protect the internal network from external threats

To provide additional encryption for sensitive data

To manage IP address assignments

Don't Want to Study?

Save Time on Studies, Spend More with Family & Friends! Pay-After-you-Pass!

Get Exam Support