A. defines how the media is accessed
B. supplies a token to determine which host has access to the media
C. defines the encoding of electrical signals on the wire
D. determines the preamble bits
第1题
A. to prevent routing loops
B. to create a default route
C. to provide multiple gateways for hosts
D. to maintain a loop-free Layer 2 network topology
E. to enhance the functions of SNMP
第2题
A.theouterlabelusedtodeterminethenexthop
B.theIPv4labelforthedestinationnetwork
C.theIPv4labelfortheforwardingrouter
D.theIPv4labelforthedestinationrouter
第3题
A. Have a backbone area (area 0) with 40 routers and use default routes to reach external destinations
B. Have a backbo ne area (area 0) with 4 routers and 30,000 external routes injected into OSPF
C. Have less OSPF areas to reduce the need for interarea route summarizations
D. Have multiple OSPF processes on each OSPF router. Example, router ospf 1, router ospf 2
第4题
A.devicePoErequirements
B.deviceIPaddress
C.devicevoiceVLANID
D.deviceplatform
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