Telecommunications Network Fundamentals 2

Question 1

What is the purpose of a subnet mask?

Accepted Answer

Identify the network and host portions of an IP address

Answer

A subnet mask separates the network portion from the host portion of an IP address to enable proper routing.

Question 2

Which protocol operates at the Transport layer and provides reliable, connection-oriented delivery?

Accepted Answer

TCP

Answer

TCP (Transmission Control Protocol) provides reliable, ordered, and error-checked delivery of data.

Question 3

What is the default port number for HTTPS?

Accepted Answer

443

Answer

HTTPS uses port 443 by default for encrypted web communications over TLS/SSL.

Question 4

What technology allows multiple devices to share a single public IP address?

Accepted Answer

NAT

Answer

NAT (Network Address Translation) maps multiple private IP addresses to a single public IP address.

Question 5

What does DNS resolve?

Accepted Answer

Domain names to IP addresses

Answer

DNS (Domain Name System) translates human-readable domain names into numerical IP addresses.

Telecommunications Practice Test