CyberOps Chap11

What is the primary function of routers?

• Path determination and packet forwarding

• Data encryption and decryption

• Network monitoring and management

• User authentication and access control

What does a router do when it receives a packet?

• Encapsulates the packet in a data link frame

• Drops the packet if no matching route is found

• Forwards the packet to the next-hop router

• All of the above

What does a router check for the destination IPv4 address?

• ARP table

• Routing table

• Neighbor cache

• MAC address table

What message does the router send if there is no match for the destination IPv6 address?

• ARP Request

• ICMPv6 Neighbor Solicitation

• ICMPv6 Neighbor Advertisement

• ARP Reply

What happens if there is no match in the routing table?

• The packet is forwarded

• The packet is dropped

• The packet is sent to the next-hop router

• The packet is queued

What types of routes does the routing table store?

• Directly connected routes

• Remote routes

• Both Directly connected routes and Remote routes

• None of the above

What is the first dynamic routing protocol and it was released in 1988?

• RIP

• OSPF

• EIGRP

• BGP

What does a switch use to direct network communications?

• IP addresses

• MAC addresses

• Routing tables

• ARP tables

What is added to the MAC address table when a new MAC address is detected?

• The source MAC address

• The destination MAC address

• The exit interface

• The routing table

What happens if the destination MAC address is a unicast address?

• The switch will look for a match in its MAC address table.

• The switch will forward the frame out all ports.

• The switch will drop the frame.

• The switch will send an error message.