D413 Telecom and Wireless Communications - 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: What is the primary function of a repeater in a network?

To filter data packets

To amplify or regenerate weak signals

To assign IP addresses

To manage VLAN traffic

Question 2: Which protocol is responsible for resolving hostnames to IP addresses?

FTP

DHCP

DNS

SMTP

Question 3: What is the function of a firewall?

To assign dynamic IP addresses

To filter incoming and outgoing traffic based on predefined security rules

To connect multiple networks together

To amplify network signals

Question 4: What type of network topology uses a single central cable to connect all devices?

Star topology

Ring topology

Bus topology

Mesh topology

Question 5: What does the acronym APIPA stand for?

Automatic Public IP Assignment

Automatic Private IP Addressing

Advanced Protocol Internet Addressing

Assigned Protocol for IP Addresses

Question 6: Which device operates at the data link layer (Layer 2) of the OSI model?

Router

Switch

Repeater

Firewall

Question 7: What is the main purpose of RAID (Redundant Array of Independent Disks)?

To encrypt network traffic

To assign dynamic IP addresses

To provide data redundancy and improve fault tolerance

To resolve hostnames to IP addresses

Question 8: Which protocol allows remote users to securely connect to a network over the internet?

HTTP

FTP

VPN

DNS

Question 9: What is the primary function of a switch in a network?

To route data between different networks

To filter and forward data based on MAC addresses

To amplify network signals

To assign IP addresses to devices

Question 10: What does attenuation refer to in networking?

The amplification of signals

The loss of signal strength over a distance

The process of encrypting data

The detection of signal interference

Question 11: What is the purpose of the Address Resolution Protocol (ARP)?

To resolve IP addresses to hostnames

To resolve MAC addresses to IP addresses

To resolve IP addresses to MAC addresses

To encrypt data packets for transmission

Question 12: Which type of VLAN is created by manually assigning ports to a VLAN?

Dynamic VLAN

Trunk VLAN

Static VLAN

Virtual VLAN

Question 13: What is the primary purpose of a DNS server?

To filter network traffic based on IP addresses

To route data between different networks

To resolve domain names into IP addresses

To encrypt data for secure transmission

Question 14: What type of backup only copies files that have changed since the last full or incremental backup?

Full backup

Differential backup

Incremental backup

Snapshot backup

Question 15: What is a VLAN trunk?

A method of amplifying signals over long distances

A link that carries multiple VLANs across a network

A type of firewall used for VLANs

A device that assigns VLANs dynamically

Question 16: Which type of topology allows for data to travel in both directions, but only one direction at a time?

Full-duplex

Half-duplex

Bus topology

Star topology

Question 17: What is the role of a Certificate Authority (CA) in network security?

To encrypt data during transmission

To assign IP addresses to devices

To issue and manage digital certificates for secure communications

To monitor network traffic for security threats

Question 18: What type of network device connects multiple networks together and directs data packets between them?

Router

Switch

Hub

Repeater

Question 19: What is the function of a patch panel in a network?

To filter traffic based on IP addresses

To encrypt data for secure transmission

To terminate network cables and provide organized cable management

To amplify weak network signals

Question 20: What does the acronym PoE stand for in networking?

Packet over Ethernet

Power over Ethernet

Protocol over Ethernet

Protection over Ethernet

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