Networking Quiz (Set 6) - Upskilling Engineers

Networking (Set 6)

1 / 10

What is the purpose of a VPN (Virtual Private Network)?

To provide a physical connection between devices

To encrypt data packets for secure transmission

To translate between IP addresses and domain names

To establish a secure and encrypted connection over an insecure network

2 / 10

Which layer of the OSI model is responsible for routing and forwarding data packets?

Physical layer

Network layer

Data Link layer

Transport layer

3 / 10

What is the purpose of a DNS cache?

To store encrypted passwords

To store recently visited websites for faster access

To store DNS lookup results for quicker subsequent queries

To store hardware configurations

4 / 10

Which type of network topology involves each device being connected to a central hub?

Ring topology

Star topology

Bus topology

Mesh topology

5 / 10

Which of the following is a private IP address?

192.168.215.27

157.240.1.35

216.58.216.14

115.42.89.76

6 / 10

What is the purpose of a firewall in networking?

To forward data packets between devices

To translate domain names to IP addresses

To prevent unauthorized access and protect against threats

To assign IP addresses to devices

7 / 10

Which networking protocol is commonly used for securely accessing remote servers over an unsecured network?

FTP

SMTP

SSH

POP3

8 / 10

What is the purpose of NAT (Network Address Translation) in networking?

To map public IP addresses to private IP addresses

To translate domain names to IP addresses

To allow devices to communicate across different network segments

To conserve public IP addresses and enable multiple devices to share a single public IP

9 / 10

Which networking device operates at the Physical layer of the OSI model and connects different network segments?

Switch

Router

Hub

Firewall

10 / 10

What is the primary purpose of a DNS server in networking?

To provide encryption for network traffic

To assign IP addresses to devices

To translate MAC addresses to IP addresses

To translate domain names to IP addresses

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