Question 181
[Q.81] What is the default subnet mask for a Class C IPv4 IP address?
Detailed Solution
Class C networks default to a 24-bit netmask: 255.255.255.0 (/24).
[Q.81] What is the default subnet mask for a Class C IPv4 IP address?
Class C networks default to a 24-bit netmask: 255.255.255.0 (/24).
[Q.82] Which TCP/IP transport layer protocol provides connectionless, unacknowledged, low-overhead communication?
UDP is a connectionless transport protocol providing low latency without delivery guarantees.
[Q.83] In CIDR subnetting, how many usable host IP addresses are available in a /28 network block?
32 - 28 = 4 host bits. $2^4$ = 16 total IPs. Subtract 2 (network & broadcast) = 14 usable host IPs.
[Q.84] Which routing protocol uses the Distance Vector routing algorithm based on Bellman-Ford equation?
RIP uses Distance Vector routing with hop count limit of 15.
[Q.85] Which cryptographic algorithm is an asymmetric (public-key) cryptosystem based on integer factorization hardness?
RSA relies on the practical difficulty of factoring the product of two large prime numbers.