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Which layer ensures messages reach their destination system via an optimal route (done by planning the route).
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Bridges work at the Data Link Layer of the OSI model or more specifically what layer.
how many scopes con create in one dhcp?
When you connect two redundant links of switch to hub to form a loop , and when the switch receives its own BPDU what it will do.
What is "keepalive"? a. A keepalive is a small, layer-1 bit message that is transmitted by a network device to let directly-connected network devices know of its presence. b. A keepalive is a small, layer-2 message that is transmitted by a network device to let directly-connected network devices know of its presence. c. A keepalive is a small, layer-2 message that is transmitted by a network device to let it neighbors know of congestion d. A keepalive is a small, layer-3 message that is transmitted by a network device to let directly-connected network devices know of its presence. e. A keepalive is a small, layer-3 message that is transmitted by a network device to let it neighbors know of congestion
What is DTE and DCE in terms of Router Configuration and what is the purpose of DTE and DCE differentiate?
What resolves the differences in data byte ordering, data type size, representation and alignment between architecture.
udp means
/etc/rc2.d/S69inet starts which 2 daemons are related to routing ?
If a switch has been configured with two vlans, how many broadcast domains will be there
Port numbers for the following 2 standard services: NNTP, NFSD a. 118, 2048 b. 119, 2049 c. 120, 2050 d. 121, 2051 e. 122, 2052
PPP is an extension of ? a. FRAME RELAY b. SDLC c. HDLC d. LAPB
Which layer addresses the stations attached to the transmission medium and the next higher protocol that used the transmission service.
Networking Protocols 
