Networking Quiz - Basic 03 to Basic 04

Which of the following is a characteristic of TCP but not UDP?

• Low latency

• Connection-oriented communication

• Stateless protocol

• No congestion control

What is the main function of BGP in networking?

• Mapping MAC addresses

• Internal routing

• Path selection across autonomous systems

• Enforcing firewall rules

Which command displays all active network connections in Linux?

• traceroute

• netstat -ant

• dig

• ss -l

How does TCP handle packet loss?

• Drops connection

• Ignores the loss

• Retransmits lost packets using acknowledgements

• Asks the user to resend manually

What does TTL in an IP packet indicate?

• Time zone

• Total data length

• Maximum number of hops

• Packet size

Which layer of the OSI model handles reliable delivery and error correction?

• Network

• Data Link

• Physical

• Transport

What is the use of the `iptables` command in Linux?

• DNS query

• Packet sniffing

• Firewall rule management

• Routing protocol configuration

Which protocol replaces ARP in IPv6 networks?

• ICMPv6

• NDP (Neighbor Discovery Protocol)

• RIPng

• RARP

Which part of a packet does a Layer 3 device use to make routing decisions?

• MAC address

• IP address

• Port number

• Payload

Which method is used by switches to prevent broadcast storms?

• Routing tables

• MAC filtering

• STP (Spanning Tree Protocol)

• Port forwarding