Multiple choice

What is a component of a routing table entry?

  1. the MAC address of the interface of the router

  2. the destination Layer 4 port number

  3. the destination host address

  4. the next-hop address
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A routing table entry contains the destination network address, subnet mask, next-hop address (or exit interface), and administrative distance/metric. The next-hop address is a critical component that tells the router where to forward packets for that destination network. MAC addresses and Layer 4 port numbers are not routing table components.

Keep practicing — related questions