BSCS : Network Fundamentals 3

Question 1

A network uses the address 192.168.10.0/24. How many usable host addresses are available?

Accepted Answer

254

Answer

A /24 network has 256 total addresses; subtracting the network address and broadcast address leaves 254 usable host addresses.

Question 2

Which topology connects every node directly to every other node, providing the highest redundancy?

Accepted Answer

Full-mesh

Answer

A full-mesh topology creates a direct link between every pair of nodes, maximizing fault tolerance at the cost of many links.

Question 3

What is the well-known port number for HTTPS?

Accepted Answer

443

Answer

HTTPS (HTTP over TLS/SSL) uses port 443 by default to secure web communication.

Question 4

Which IPv6 address type is equivalent to the IPv4 loopback address 127.0.0.1?

Accepted Answer

::1

Answer

The IPv6 loopback address is ::1, which represents a single interface used for testing the local stack, equivalent to 127.0.0.1 in IPv4.

Question 5

Which protocol resolves a MAC address to an IP address (the reverse of ARP)?

Accepted Answer

RARP

Answer

RARP (Reverse ARP) allows a device that knows its MAC address to discover its IP address, though it has largely been replaced by DHCP.

BSCS - Bachelor of Science in Computer Science Practice Test