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What is default Cisco serial encapsulation?
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HDLC (High-level Data-Link Control)
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Command to see encapsulation and LMI traffic (if FR) on serial 0?
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Sh int s0
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What are two PPP DataLink layer protocols:
1) to encapsulate multiple protocols
2) to set up and negotiate control options on the data link
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1) NCP (Network Control Protocol)
2) LCP (Link Control Protocol)
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What are three most widely used serial WAN connections?
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HDLC
PPP
Frame Relay
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What is ATM cell size?
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53 bytes.
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Is dial-up (PPP/ATM) sync or async service?
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Async.
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What is the default bandwidth of a serial interface on a Cisco router?
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1544 kbps, or T1
(BW 1544 Kbit)
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Command to change the bandwidth of a serial interface to 256 kbps?
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Bandwidth 256
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What is amount of data a serial channel can carry?
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Bandwidth (bps)
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Commands to configure s0 to PPP encapsulation?
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Int s0
encapsulation ppp
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Commands to configure username RouterB and password myPassword for PPP on RouterA?
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Hostname RouterA
username RouterB password myPassword
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Commands to enable CHAP authentication on s1?
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Int s1
ppp authentication chap
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Command to display CHAP authentication realtime?
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Debug ppp authentication
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PPP LCP protocols for:
1) Authentication
2) Compression
3) Error detection
4) Multilink
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1) PPP, CHAP
2) Stacker/Predictor
3) Magic Number
4) Multilink Protocol (MP)
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What is the term used for network using both fibre and coxial cable to create broadband network?
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HFC (Hybrid Fibre-Coxial)
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