D325 Networks Final - Set 4 - Part 1

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

Question 1: Which of the following protocols is responsible for discovering the MAC address associated with a known IP address?

TCP

ICMP

ARP

Question 2: A network technician needs to troubleshoot a physical connection between a workstation and a switch. Which tool would best help in testing the connection?

Cable tester

Packet sniffer

Bandwidth monitor

Port scanner

Question 3: What type of firewall inspects incoming and outgoing packets and allows or blocks them based on preconfigured security rules?

Stateless firewall

Proxy firewall

Stateful firewall

Application firewall

Question 4: A network administrator is configuring a wireless network for a business. To ensure the highest level of security, which encryption protocol should be used?

WEP

WPA2

WPA

TKIP

Question 5: A company is expanding and needs to implement redundancy in its network to prevent downtime in case of a link failure. Which of the following can be used to prevent loops in this network design?

OSPF

RIP

STP

EIGRP

Question 6: A network technician is tasked with diagnosing intermittent issues on a network. What tool would be best suited for capturing packets and analyzing them in real time?

Cable tester

Wireshark

Tracert

IP scanner

Question 7: Which of the following protocols allows devices to discover each other on a local network and share resources such as printers and files?

FTP

SMB

DNS

SNMP

Question 8: What is the function of a Content Delivery Network (CDN)?

To provide network security

To distribute web content across multiple servers for faster access

To assign IP addresses to devices

To monitor network traffic for anomalies

Question 9: Which of the following allows a device to obtain an IP address automatically when joining a network?

DNS

DHCP

NAT

ARP

Question 10: What is the primary purpose of a demilitarized zone (DMZ) in network architecture?

To isolate public-facing services from the internal network

To prevent DoS attacks

To filter traffic between VLANs

To create a secure virtual network

Question 11: Which command is used in Linux to display network interfaces and their configurations?

ipconfig

netstat

ifconfig

ping

Question 12: What is the primary function of NAT (Network Address Translation)?

To allocate bandwidth

To map private IP addresses to public IP addresses for internet communication

To encrypt traffic on the network

To assign MAC addresses to devices

Question 13: Which of the following DNS record types is used to define the mail server responsible for receiving email for a domain?

A record

MX record

CNAME record

PTR record

Question 14: A network administrator is troubleshooting why a workstation cannot reach a specific website. Which command can be used to check if the DNS server is resolving the website’s domain name to an IP address?

tracert

ipconfig

nslookup

netstat

Question 15: What is the primary purpose of a subnet mask in an IP address configuration?

To encrypt data

To define the network and host portions of an IP address

To map IP addresses to MAC addresses

To assign IP addresses dynamically

Question 16: A network technician is tasked with setting up a secure remote connection for a user working from home. Which of the following technologies would be most appropriate for this?

Telnet

VPN

SSH

FTP

Question 17: Which of the following protocols is used to securely transfer files over the internet?

FTP

TFTP

SFTP

HTTP

Question 18: What type of device typically operates at Layer 2 of the OSI model and forwards data based on MAC addresses?

Router

Switch

Firewall

Gateway

Question 19: A technician is configuring a switch to support multiple VLANs. Which protocol is used to allow VLAN traffic to traverse between switches?

SNMP

802.1Q

ARP

TCP

Question 20: A network engineer needs to encrypt communication between two remote offices. Which of the following protocols would be the best choice for securing the connection?

HTTP

IPsec

FTP

RIP

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