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What is the difference between PPP and HDLC?
Differences between HDLC and PPP are(1) HDLC is cisco proprietary while PPP is an open standard.(2) HDLC does not provide authentication while PPP provides authentication like PAP and CHAP.(3) HDLC does not support compression while PPP support compression.(4) HDLC supports synchronous networks only while PPP supports both synchronous and asynchronous networks.
What ppp protocol provides dynamic address authentication?
HDLC
What is the frame format HDLC in networking?
HDLC - High level data link control used in conjunction with Networking protocols like PPP (point-to-point) protocol. According to RFC 1662, PPP uses HDLC like frame by providing address and control fields. For PPP these fields are constants 0xFF and 0x03.
Which additional functionality is available on an interface when the encapsulation is changed from HDLC to PPP?
Authentication
What happens when one end of the serial link is encapsulated with PPP and the other end of the link is encapsulated with HDLC?
They cannot communicate.
Which three encapsulation types can be set on serial interface by the administrator who is using SDM Express?
1. Frame Relay 2. HDLC 3. PPP
Line protocol in down then what you do?
there may be the issue with the layer 2 protocol like hdlc or ppp is not configured or wrongly configured if the interface is serial interface.
Which is the most common encapsulation in use on BRI Interface?
Which is the most common encapsulation in use on BRI Interface ? A. SDLC B. ATN C. HDLC D. PPP
Which four are WAN data-link layer protocols?
The most common WAN data-link protocols are: 1. HDLC 2. PPP 3. Frame Relay 4. ATM
Which statement accurately describes a role that is played in establishing a WAN connection?
Data link layer protocols like PPP and HDLC define how data is encapsulated for transmission across a WAN link.
Briefly explain why the serial interfaces of the router do not have MAC addresses?
Serial interfaces do not pass any MAC information because the information is formed using WAN encapsulation (PPP. HDLC, Frame Relay).
What is the default encapsulation for serial interfaces on Cisco routers?
HDLC
