Answer:
D. BGP
Explanation:
In order to exchange routing information with another AS (Autonomous Systems) only, exterior routers use an exterior routing protocol, like BGP (Border Gateway Protocol) or EGP (Exterior Routing Protocol).
BGP is an application-layer protocol in the TCP/IP suite, that uses a well-known TCP port (179) in order to deliver information reliably.
It is important to note that in order to exchange routing data within his own AS, the router uses an interior routing protocol, like OSPF.
The
accessibility category of apps makes the computer easier for blind people to
use. In general the accessibility apps are apps that help people with
disabilities use a particular piece of hardware. For example there is an app
designed to help blind people use their devices by paring them with a voluntary
non-blind people trough audio-video connections.
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I think assembly level command mov ,push ,call
An internal node is a node which carries at least one child or in other words, an internal node is not a leaf node.