Exam 21: Internetwork Operation

IGMP,defined in RFC ______ ,is used by hosts and routers to exchange multicast group membership information over a LAN.

A packet with a multicast address is transmitted on a LAN segment.

The OpenFlow protocol supports ____________ messages.

The host portion of an IP address is used by routers to move a datagram from the source computer to the network to which the target computer is attached.

IGMP _____ allows hosts to specify the list of hosts from which they want to receive traffic.

The basic building block of the logical switch architecture is the ________.

In multicasting only a single copy of the packet is ever transmitted.

The act of sending a packet from a source to the members of a multicast group is referred to as __________ .

Files,graphics,and messages exchanged among active group members in real time is _________ .

One way to assure that the packet is received by all members of the group is to ________ a copy of each packet to each network in the configuration,over the least-cost route for each network.

_________ is a subtype of a membership query message.

The __________ is an index that identifies a security context between a pair of nodes which is configured so that the two nodes share a secret key and parameters relevant to this association.

IP addresses that refer to a group of hosts on one or more networks are referred to as __________ addresses.

OpenFlow can be used with network traffic involving a variety of protocols and network services.

The ____________ is an Internet protocol,defined in RFC 2131,that enables dynamic allocation of IP addresses to hosts.

Intermediate results sent to all participants is _________ .

When the mobile node moves its attachment point to another network,that network is considered a foreign network for this host.

Minimal encapsulation results in less overhead and can be used if the mobile node,home agent,and foreign agent all agree to do so.

A ________ query is used to learn if a particular group has any members on an attached network.

A _______ query is used to learn if any attached device desires reception of packets sent to a specified multicast address,from any of a specified list of sources.