D315 Network and Security Foundations - 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 primary function of a proxy server?

To filter and control network traffic

To assign IP addresses

To resolve domain names

To route packets between networks

Question 22: Which protocol is used for sending emails?

FTP

DNS

SMTP

HTTP

Question 23: What type of cable is used for high-speed data transmission over long distances?

Twisted pair

Coaxial

Fiber optic

CAT5

Question 24: What is the function of a MAC address in networking?

It identifies the network location of a device

It encrypts data during transmission

It uniquely identifies devices on a local network

It assigns IP addresses to devices

Question 25: Which of the following is a characteristic of a mesh topology?

All devices are connected to a central hub

Devices are connected in a linear sequence

Every device is connected to every other device

Devices are connected in a loop

Question 26: Which layer of the OSI model is responsible for data compression and encryption?

Physical

Presentation

Session

Transport

Question 27: What is the function of a DHCP server?

To resolve domain names

To assign dynamic IP addresses to devices

To filter network traffic

To establish VPN connections

Question 28: Which type of malware disguises itself as legitimate software?

Worm

Virus

Trojan horse

Spyware

Question 29: What is the main purpose of a VLAN (Virtual Local Area Network)?

To separate network devices physically

To divide a network into smaller, logical segments

To encrypt data transmissions

To assign static IP addresses

Question 30: Which OSI layer is responsible for routing packets between different networks?

Data Link

Network

Transport

Application

Question 31: Which of the following is a disadvantage of a bus topology?

High cabling costs

Difficulty in troubleshooting

Redundancy issues

High latency

Question 32: Which protocol is used to access a remote device securely over the internet?

Telnet

FTP

SSH

HTTP

Question 33: Which network device operates at Layer 2 of the OSI model and forwards frames based on MAC addresses?

Hub

Switch

Router

Firewall

Question 34: What is a firewall rule that blocks all incoming traffic by default and only allows specific traffic through called?

Blacklist

Whitelist

NAT

Proxy

Question 35: What is the primary purpose of a subnet mask?

To encrypt network traffic

To divide an IP address into network and host portions

To assign dynamic IP addresses

To route packets across networks

Question 36: Which type of cable is used to connect similar devices, such as switch-to-switch?

Cross-over cable

Patch cable

Fiber optic cable

Coaxial cable

Question 37: Which wireless technology provides the fastest data transmission speed?

802.11a

802.11b

802.11g

802.11ac

Question 38: What is the primary function of a router?

To forward data based on IP addresses

To filter network traffic

To assign IP addresses

To connect devices in a local network

Question 39: Which protocol is responsible for ensuring the reliability of data transmission by managing retransmissions?

TCP

UDP

ICMP

ARP

Question 40: Which of the following is a private IP address?

192.168.1.1

172.15.0.1

8.8.8.8

128.0.0.1

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