單項(xiàng)選擇題On corporate network, hosts on the same VLAN can communicate with each other, but they are unable to communicate with hosts on different VLANs. What is needed to allow communication between the VLANs?（）

A. a router with subinterfaces configured on the physical interface that is connected to the switch
B. a router with an IP address on the physical interface connected to the switch
C. a switch with an access link that is configured between the switches
D. a switch with a trunk link that is configured between the switches


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1.單項(xiàng)選擇題A switch is configured with all ports assigned to vlan 2 with full duplex FastEthernet to segment existing departmental traffic. What is the effect of adding switch ports to a new VLAN on the switch?（）

A. More collision domains will be created.
B. IP address utilization will be more efficient.
C. More bandwidth will be required than was needed previously.
D. An additional broadcast domain will be created.

2.單項(xiàng)選擇題Which switch would STP choose to become the root bridge in the selection process?（）

A. 32768: 11-22-33-44-55-66
B. 32768: 22-33-44-55-66-77
C. 32769: 11-22-33-44-55-65
D. 32769: 22-33-44-55-66-78

4.單項(xiàng)選擇題Where does routing occur within the DoD TCP/IP reference model?（）

A. application
B. internet
C. network
D. transport

5.單項(xiàng)選擇題How many addresses for hosts will the network 124.12.4.0/22 provide?（）

A. 510
B. 1022
C. 1024
D. 2048

6.單項(xiàng)選擇題For the network 192.0.2.0/23, which option is a valid IP address that can be assigned to a host?（）

A. 192.0.2.0
B. 192.0.2.255
C. 192.0.3.255
D. 192.0.4.0

8.單項(xiàng)選擇題What speeds must be disabled in a mixed 802.11b/g WLAN to allow only 802.11g clients to connect?（）

A. 6, 9, 12, 18
B. 1, 2, 5.5, 6
C. 5.5, 6, 9, 11
D. 1, 2, 5.5, 11

9.單項(xiàng)選擇題Which port state is introduced by Rapid-PVST?（）

A. learning
B. listening
C. discarding
D. forwarding

最新試題

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 device might be installed at a branch office to enable and manage an IPsec site-to-site VPN?（）

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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

Which encapsulation type is a Frame Relay encapsulation type that is supported by Cisco routers?（）

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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

What is the purpose of the cisco Vlan Trunking protocol?（）

題型：?jiǎn)雾?xiàng)選擇題

Which address is the IPV6 all-RIP-routers muticast group address that is used by RIPng as the destaion address?（）

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

A router receives information about network 192.168.10.0/24 from multiple sources.What will the router consider the most reliable information about the path to that network?（）

題型：?jiǎn)雾?xiàng)選擇題

Which Cisco IOS diagnostics command can disrupt the operation of a router under high-load conditions?（）

題型：?jiǎn)雾?xiàng)選擇題