Chapter 6
A technician is configuring a router that is actively running on the network. Suddenly, power to the router is lost. If the technician has not saved the configuration, which two types of information will be lost?
ARP cache routing table
What are the required steps for configuring an interface on a router?
Activate the interface Provide Layer 3 addressing information
Why is NAT not needed in IPv6?
Any host or user can get a public IPv6 network address because the number of available IPv6 addresses is extremely large.
Which of the following are characteristics of IP
Best Effort Connectionless Media Independent
When configuring a host, the gateway was not configured. How will this affect communication to and from this device?
Communication will be limited to hosts in the local network.
When using the netstat -r command on a host, you see a route 0.0.0.0 0.0.0.0. What does this route represent?
Destinations without a specified route are forwarded to the gateway.
The IP default-gateway command was not used when configuring a switch. How will this affect network communication?
Host communication through the switch will not be affected Communication to and from the switch will be limited to hosts in the local network
Which of the following is associated with the network layer?
IP
Which two interfaces will allow access via the VTY lines to configure the router
LAN interfaces WAN interfaces
During the boot process of a Cisco router, you notice a series of hash symbols(#) appearing on the terminal emulator screen from the console session. In what phase is the boot process?
Loading the IOS
In what part of a router is the currently running configuration located?
RAM
During the process of forwarding traffic, what will the router do immediately after matching the destination IP address to a network on a directly connected routing table entry?
Switch the packet to the directly connected interface.
On a router, what field in an IPv4 header should be examined to determine that the maximum number of hops have been reached by the packet on its way from the source to its destination?
TTL
How do hosts ensure that their packets are directed to the correct network destination?
They have to keep their own local routing table that contains a route to the loopback interface, a local network route, and a remote default route.
Which two commands can be used on a Windows host to display the routing table
route print netstat -r
Which IOS command displays the contents of the IPv4 routing table stored in RAM.
show ip route
Which two files, if found, are copied into RAM as a router with the default configuration register setting boots up?
startup configuration IOS image file
