D315 Network and Security Foundations - Set 3 - 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 OSI layer is responsible for reliable end-to-end data transmission?

Data Link

Transport

Network

Physical

Question 2: What device is used to segment a network and manage traffic between different segments?

Hub

Switch

Router

Bridge

Question 3: What is the primary advantage of a star topology?

Easy to add or remove devices without affecting the network

All devices share a single data path

Devices are connected in a loop

Each device has a direct connection to all other devices

Question 4: What is the purpose of the Session layer in the OSI model?

To encrypt data

To handle flow control and error correction

To establish, manage, and terminate connections

To route data between networks

Question 5: What protocol is used to resolve domain names into IP addresses?

DHCP

FTP

DNS

ICMP

Question 6: Which topology connects each device to two other devices, forming a closed loop?

Star

Bus

Ring

Mesh

Question 7: What type of encryption uses the same key for both encryption and decryption?

Asymmetric encryption

Symmetric encryption

Hashing

Public key encryption

Question 8: What is a virtual LAN (VLAN)?

A physical separation of networks

A logical grouping of devices in different physical locations

A type of VPN

A network restricted to a single device

Question 9: Which wireless standard supports the fastest data transmission?

802.11b

802.11g

802.11n

802.11ac

Question 10: Which protocol operates at the Network layer of the OSI model?

TCP

FTP

ARP

Question 11: What is the maximum length for a CAT6 Ethernet cable?

10 meters

50 meters

100 meters

150 meters

Question 12: What is the primary function of a firewall in a network?

To monitor bandwidth usage

To block unauthorized access

To encrypt network traffic

To manage IP addresses

Question 13: What is the function of a DNS server?

To store email messages

To assign IP addresses to devices

To translate domain names into IP addresses

To monitor network traffic

Question 14: What is the purpose of the Physical layer in the OSI model?

To format data for transmission

To establish, maintain, and terminate physical connections

To handle logical addressing

To manage encryption

Question 15: Which of the following is an example of a connectionless protocol?

TCP

UDP

ICMP

FTP

Question 16: What is the function of a MAC address in networking?

To provide a unique identifier for a network device

To route packets between networks

To encrypt data during transmission

To authenticate network users

Question 17: What layer of the OSI model handles data encryption and compression?

Application

Session

Presentation

Transport

Question 18: What protocol is used to request an IP address from a DHCP server?

HTTP

FTP

DNS

DHCP

Question 19: What device is used to extend the distance a signal can travel in a network?

Router

Repeater

Switch

Firewall

Question 20: Which OSI layer is responsible for routing data between different networks?

Data Link

Network

Session

Application

Need Guaranteed Results?

Our exam support service guarantees you'll pass your OA on the first attempt. Pay only after you pass!

Get Exam Support