A. 120
B. 100
C. 90
D. 110
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A. Automatic summarization at classful boundries can cause problems on discontinuous subnets
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A. Cisco IOS IPsec/SSL VPN client
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A. data link
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最新試題
What is the result of issuing the frame-relay map ip 192.168.1.2 202 broadcast command?（）
At which layer of the OSI model is RSTP used to prevent loops?（）
A network administrator is planning a network installation for a large organization.The design requires 100 separate subnetworks,so the company has acquired a Class B network address.What subnet mask will provide the 100 subnetworks required, if 500 usable host addresses are required per subnet?（）
Which Cisco IOS diagnostics command can disrupt the operation of a router under high-load conditions?（）
An administrator must assign static IP addresses to the servers in a network.For network 192.168.20.24/29, the router is assigned the first usable host address while the sales server is given the last usable host address. Which of the following should be entered into the IP propertied box for the sales server?（）
What is the default administrative distance of OSPF?（）
At which layer of the OSI model dose PPP perform?（）
Which protocol reduces administrative overhead in a switched network by allowing the configuration of a new VLAN to be distributed to all the switches in a domain?（）
If all OSPF routers in a single area are configured with the same priority value,what value dose a router use for the ODPF router ID in the absence of a loopback interface?（）
What is the purpose of the cisco Vlan Trunking protocol?（）