chapter 6 vocab test guide

Which IPv4 address can a host use to ping the loopback interface?

127.0.0.1

Refer to the exhibit. Using the network in the exhibit, what would be the default gateway address for host A in the 192.133.219.0 network?

192.133.219.1

Which key combination allows a user to abort setup mode?

Ctrl-C

When transporting data from real-time applications, such as streaming audio and video, which field in the IPv6 header can be used to inform the routers and switches to maintain the same path for the packets in the same conversation?

Flow Label

Which interfaces in each router are active and operational?

R1: G0/0 and S0/0/0 R2: G0/1 and S0/0/0

Which value, that is contained in an IPv4 header field, is decremented by each router that receives a packet?

Time-to-Live

During the boot process, where will the router bootstrap program look for the IOS image by default?

flash

A packet leaving PC-1 has to traverse____ hops to reach PC-4.​

3

The acronym______ is used to define the process that allows multiple devices to share a single routable IP address.

PAT

How does the network layer use the MTU value?

The MTU is passed to the network layer by the data link layer

Within a production network, what is the purpose of configuring a switch with a default gateway address?

The default gateway address is used to forward packets originating from the switch to remote networks.

A router may have to fragment a packet when forwarding it from one medium to another medium that has a smaller

maximum transmission unit

If there are two or more possible routes to the same destination, the_______ is used to determine which route is used in the routing table.

metric

Which portion of the network layer address does a router use to forward packets?

network portion

What are two functions that are provided by the network layer? (Choose two.)

providing end devices with a unique network identifier. directing data packets to destination hosts on other networks