Hi there
I would reckon its B
A = unique network address = IP address
C= unique physical layer = MAC address
B= The LAPD Flag and Control fields are identical to those of HDLC. The LAPD
Address field can be either 1 or 2 bytes long. If the extended address bit
of the first byte is set, the address is 1 byte; if it is not set, the
address is 2 bytes. The first address field byte contains the service access
point identifier (SAPI), which identifies the portal at which LAPD services
are provided to Layer 3. The C/R bit indicates whether the frame contains a
command or a response. The terminal endpoint identifier (TEI) field
identifies either a single terminal or multiple terminals. A TEI of all ones
indicates a broadcast.
Hope it helps
Cheers
Olden
-----Original Message-----
From: cslx [SMTP:[EMAIL PROTECTED]]
Sent: 06 October 2000 11:42
To: [EMAIL PROTECTED]
Subject: a bcran question
what does the combination of TEI &SAPI provide?
a A unique network layer address
b A unique datalink layer address
c A unique phisical layer address
d none of above
which is correct,why?
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