D412 Network Analytics and Troubleshooting - Set 4 - 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 function of NAT in a network?

Assign IP addresses to devices

Translate private IP addresses to public IP addresses

Route traffic between networks

Encrypt network traffic

Question 22: Which protocol uses port 53 to provide name resolution services?

HTTP

FTP

DNS

Telnet

Question 23: What type of attack occurs when an attacker sends falsified ARP messages to the network, causing traffic to be misdirected?

DNS poisoning

ARP poisoning

Man-in-the-middle

Phishing

Question 24: Which OSI layer is responsible for controlling how data is transmitted over the physical medium, including framing and error detection?

Data Link layer

Network layer

Transport layer

Physical layer

Question 25: Which wireless security protocol is considered the most secure for protecting Wi-Fi networks?

WEP

WPA

WPA2

TKIP

Question 26: What command is used to display all active network connections and listening ports on a Linux machine?

ifconfig

traceroute

netstat

ping

Question 27: Which protocol is used by the ping command to test network connectivity between devices?

ICMP

TCP

UDP

DNS

Question 28: What is the main purpose of a load balancer in a network?

To provide firewall protection

To assign IP addresses to devices

To distribute network traffic across multiple servers

To encrypt network communications

Question 29: Which type of DNS query is typically sent by a DNS resolver to request the best possible answer without expecting further queries?

Recursive query

Iterative query

Reverse query

Dynamic query

Question 30: Which routing protocol uses the concept of areas to optimize routing efficiency and reduce overhead in large networks?

OSPF

RIP

EIGRP

BGP

Question 31: Which device is used to connect multiple network segments, manage traffic, and reduce collisions in a network?

Hub

Repeater

Switch

Router

Question 32: What is the maximum number of hops allowed in the RIP protocol to prevent routing loops?

Question 33: What type of device acts as an intermediary between a client and a server, handling requests on behalf of the client?

Router

Firewall

Proxy server

Switch

Question 34: Which wireless transmission type does NOT require a clear line of sight (LOS) to function?

Wi-Fi

Infrared

Microwave

Satellite

Question 35: What does the acronym DHCP stand for, and what is its primary function?

Domain Host Configuration Protocol, used for resolving domain names

Dynamic Host Configuration Protocol, used for assigning IP addresses

Data Host Control Protocol, used for managing data traffic

Domain Handler Communication Protocol, used for email transmission

Question 36: Which network protocol is used to secure web communications by encrypting traffic between a web server and a browser?

HTTP

FTP

HTTPS

Telnet

Question 37: Which command on a Cisco router is used to save the current running configuration to NVRAM?

copy running-config startup-config

copy running-config flash

save config tftp

write memory

Question 38: What is the primary purpose of using load balancing in a network environment?

To encrypt data between servers

To distribute traffic across multiple servers

To provide IP address resolution

To manage VLAN configurations

Question 39: Which protocol allows multiple hosts on a local network to communicate over a single public IP address?

DNS

NAT

DHCP

ICMP

Question 40: Which network security protocol provides encrypted communication over a network and is commonly used for secure remote logins?

Telnet

FTP

SSH

SMTP

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