What information does a routing table entry typically contain?

Destination network, subnet mask, next-hop address, and outgoing interface

Hostname, IP address, and TTL value

Destination MAC address, source MAC address, and VLAN ID

Source IP address, destination IP address, and protocol type

What is the correct sequence of steps a router follows when forwarding a packet?

Receive packet, decrement TTL, look up routing table, resolve next-hop MAC, rewrite frame, transmit

Look up routing table, rewrite frame, decrement TTL, resolve next-hop MAC, transmit

Decrement TTL, rewrite frame, look up routing table, resolve next-hop MAC, transmit

Resolve next-hop MAC, look up routing table, decrement TTL, rewrite frame, transmit

Where does reassembly of fragmented IP packets occur?

At the first router that receives the fragments

A small office router has a default route pointing to an ISP gateway. A user tries to reach a server at 203.0.113.10, which is not in any specific route in the routing table. How will the router handle this packet?

Use the route with the shortest prefix length that matches

Forward the packet to the ISP gateway using the default route

Send an ARP request for the destination IP to find a route

Drop the packet because there is no specific route

A router receives a packet destined for a host on a directly connected subnet. The routing table lookup identifies the next hop as the destination host itself. The router checks its ARP cache but finds no entry for the destination IP. What will the router do next?

Send an ARP request for the destination IP and then forward the packet once the MAC is learned

Drop the packet because the ARP cache is empty

Send the packet to the router's own MAC address

Forward the packet to the default gateway's MAC address

Dell Networking Foundations

Domain 3Objective 4

Explain the Forwarding Logic Used by Layer 3 Capable Devices NETWORKING-FOUNDATIONS Practice Questions (Page 4)

Part of the IP Networking domain, which accounts for 25% of the NETWORKING-FOUNDATIONS exam.

27questions here

6free pages

9concepts

25%of the exam

Questions 16–20

16foundation · easy
What information does a routing table entry typically contain?
Select an answer first
17foundation · easy
What is the correct sequence of steps a router follows when forwarding a packet?
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18foundation · easy
Where does reassembly of fragmented IP packets occur?
Select an answer first
19application · medium
A small office router has a default route pointing to an ISP gateway. A user tries to reach a server at 203.0.113.10, which is not in any specific route in the routing table. How will the router handle this packet?
Select an answer first
20application · medium
A router receives a packet destined for a host on a directly connected subnet. The routing table lookup identifies the next hop as the destination host itself. The router checks its ARP cache but finds no entry for the destination IP. What will the router do next?
Select an answer first

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