In stp which protocol is used for detrming root port root
bridge ,forwarding port and blocking port
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On an ISDN BRI interface, the control channel is the 'D' channel. What is the rate of this channel? A.) 64 Kbps B.) 1.544 Mbps C.) 128 Kbps D.) 2.048 Mbps E.) 16 Kbps
Which reserve port number talent use?
Why we choose the router rather then L-3 Switch
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Which feature of PPP (Point to Point Protocol) allows the router to bind multiple channels together, to form a single logical channel? A.) multi-link ppp B.) multi-channel ppp C.) can't be done D.) omni-ppp E.) plp
can any budy send the steps for enabling snmp on cisco switches(L2).
What are the advantages of using switches?
As the system administrator, you type "ppp authentication chap pap secret". Which authentication method is used first in setting up a session? A. secret B. PAP C. CHAP D. PPP/SLIP
Why OSPF uses 2 Multicast IP
How does Hold-downs work?
What is 100BaseFX?
Why mac address called physical address?
Identify the 2 characteristics regarding MAC addresses? A.) Contains a network portion and host portion B.) Always assigned by System Administrator C.) 48 bits long D.) Contains a vendor code and serial number
CCNA 
