Computer Networks Flashcards
6 cards from real B CompE Bachelor of Computer Engineering practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Computer Networks flashcards as text
In a TCP three-way handshake, what is the correct sequence of messages?
Answer: SYN, SYN-ACK, ACK
A TCP connection starts with SYN from the client, SYN-ACK from the server, and a final ACK from the client.
Which routing protocol uses the Bellman-Ford algorithm?
Answer: RIP
RIP (Routing Information Protocol) uses the Bellman-Ford algorithm to calculate the shortest path based on hop count.
What is the subnet mask for a /26 CIDR block?
Answer: 255.255.255.192
A /26 prefix means 26 network bits, leaving 6 host bits, which corresponds to a subnet mask of 255.255.255.192.
Which layer does a standard switch primarily operate on in the OSI model?
Answer: Layer 2 - Data Link
A standard switch operates at Layer 2 (Data Link), forwarding frames based on MAC addresses.
What port number does HTTPS use by default?
Answer: 443
HTTPS (HTTP Secure) uses port 443 by default to provide encrypted web communication via TLS/SSL.
Which protocol is responsible for converting domain names to IP addresses?
Answer: DNS
DNS (Domain Name System) translates human-readable domain names into their corresponding IP addresses.