The encapsulation of PPP is largely based on the HDLC protocol specification,
and PPP uses the exact flag fields and the frame check sequence (FCS) fields from
the HDLC protocol encapsulation. In addition, many fields in PPP data frames have
fixed values. Given that PPP is purely a protocol applied in a point to point
environment, where messages sent by any party are only received and processed
by a designated other party, the existence of the address field is no longer necessary
A. True
No protocolo PPP (Point-to-Point Protocol), é possível que os endereços IP em cada extremidade do link pertençam a diferentes segmentos de rede. O PPP é projetado para estabelecer uma conexão direta entre dois pontos e pode ser utilizado em cenários onde os dispositivos estão em redes distintas.
A. True
The data link layer using PPP encapsulation allows the IP addresses of the two ends of the link to be in different network segments. This is one of the key advantages of PPP compared to other data link layer protocols like Ethernet.
"Devices on both ends of a PPP link may have IP addresses at different network segments."
https://support.huawei.com/enterprise/en/doc/EDOC1100278760/5e7a58c1/ppp-configuration
Sim, é possível que os endereços IP das duas extremidades do link estejam em diferentes segmentos de rede quando a camada de enlace de dados usa encapsulamento PPP.
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