單項(xiàng)選擇題What is the subnetwork address for a host with the IP address 201.100.5.68/28?（）

A. 201.100.5.0
B. 201.100.5.32
C. 201.100.5.64
D. 201.100.5.65
E. 201.100.5.31
F. 201.100.5.1


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1.單項(xiàng)選擇題Which statement describes the rule of split horizon?（）

A. Only router can split boundaries(horizons)between concentric networks.
B. All distance vector protocols require fall routes that may cause momentary loops as the topology changes.
C. Networks can only remain fully converged if all information about routes is sent out all active interfaces.
D. Information about a route should not be sent back in the direction from which the original update came.
E. Each AS must keep routing tables converged to prevent dead routes from being advertised across the AS boundary.

2.單項(xiàng)選擇題While troubleshooting a network problem,a technician discovers that the current copy of the Cisco IOS is outdated and needs to be updated.Which of the following commands would the technician issue to replace the Cisco router IOS with the newer version?（）

A. Router#copy tftp flash
B. Router(config)#restore flash
C. Router(config)#repair flash
D. Router#copy flash run
E. Router>copy start flash
F. Router#copy start flash

4.單項(xiàng)選擇題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?（）

A. IP address:192.168.20.14 Subnet Mask:255.255.255.248 Default Gateway:192.168.20.9
B. IP address:192.168.20.254 Subnet Mask:255.255.255.0 Default Gateway:192.168.20.1
C. IP address:192.168.20.30 Subnet Mask:255.255.255.248 Default Gateway:192.168.20.25
D. IP address:192.168.20.30 Subnet Mask:255.255.255.240 Default Gateway:192.168.20.17
E. IP address:192.168.20.30 Subnet Mask:255.255.255.240 Default Gateway:192.168.20.25

最新試題

At which layer of the OSI model dose PPP perform?（）

題型：?jiǎn)雾?xiàng)選擇題

What is the subnetwork address for a host with the IP address 201.100.5.68/28?（）

題型：?jiǎn)雾?xiàng)選擇題

Which cisco ios command can help to determine the timing of various debug events,relative to each other,when you are debugging a complicated router issue?（）

題型：?jiǎn)雾?xiàng)選擇題

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?（）

題型：?jiǎn)雾?xiàng)選擇題

How are VTP advertisements delivered to switches across the network?（）

題型：?jiǎn)雾?xiàng)選擇題

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?（）

題型：?jiǎn)雾?xiàng)選擇題

On which options are standard access list based?（）

題型：?jiǎn)雾?xiàng)選擇題

After the show ip route command has been entered,the follwing routes are displayed.Which route will not be entered into the routing table of a neighboring router?（）

題型：?jiǎn)雾?xiàng)選擇題

Which statement is true, as relates to classful or classless routing?（）

題型：?jiǎn)雾?xiàng)選擇題

A network administrator is trying to add a new router into an established OSPF network.The networks attached to the new router do not appear in the routing tables of the other OSPF routers.Given the information in the partial configuration shown below,what configuration error is causing this problem?（）Router(config)#router ospf 1Router(config-router)#network 10.0.0.0 255.0.0.0 area 0

題型：?jiǎn)雾?xiàng)選擇題