單項(xiàng)選擇題How dose a DHCP server dynamically assign IP address to host?()

A. Addresses are allocated after a negotiation between the server and the host to determine the length of the agreement.
B. Addresses are assigned for a fixed period of time.At the end of period,a newquest for an address must be made ,and another address is then assigned.
C. Addresses are leased to host.A host will usually keep the same address by periodically contacting the DHCP sever to renew the lease.
D. Addresses are permanently assigned so that the host uses the same address at all times.


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2.單項(xiàng)選擇題What is the effect of using the service password-encryption command?()

A. Only passwords configured after the command has been entered will be encrypted.
B. Only the enable password will be encrypted.
C. Only the enable secret password will be encrypted
D. It will encrypt the secret password and remove the enable secret password from the configuration.
E. It will encrypt all current and future passwords.

3.單項(xiàng)選擇題A router has two FastEthernet interfaces and needs to connect to four vlans in the local network.How can you accomplish this task,using the fewest physical interfaces and without decreasing network performance?()

A. Add two more FastEthernet interfaces.
B. Add a second router to handle the vlan traffic.
C. Use a hub to connect the four vlans with a FastEthernet interface on router.
D. Implement a router-on-a-stick configuration.

4.單項(xiàng)選擇題Which statement is true, as relates to classful or classless routing?()

A. RIPV1 and OSPF are classless routing protocols.
B. Classful routing protocols send the subnet mask in routing updates.
C. Automatic summarization at classful boundaries can cause problems on disc……
D. EIGRP and OSPF are classful routing protocols and summarize routes by def……

5.單項(xiàng)選擇題In which solution is a router ACL used?()

A. protecting a server frome unauthorized acces
B. controlling path selection,based on the route metric
C. reducing router CPU utilization
D. filterring packets that are passing through a router

最新試題

An employee of ABC company has move to an office on a different floor. Although the administrator is able to telnet to all of the routers,the address of Switch F is needed in order to verify that the employee remains in the same VLAN.Which action could be used by the administrator to find the IP address of Switch F?()

題型:?jiǎn)雾?xiàng)選擇題

The network administrator cannot to switch 1 over a telnet session,although the hosts attached to switch 1 can ping the interface Fa0/0 of the router.Given the information in the graphic and assuming that the router and switch2 are configured properly,which of the following commands should be issued on switch 1 to correct this problem?()

題型:?jiǎn)雾?xiàng)選擇題

On which options are standard access list based?()

題型:?jiǎn)雾?xiàng)選擇題

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?()

題型:?jiǎn)雾?xiàng)選擇題

When you are troubleshooting an ACL issue on a router,which command can help you to verify which interfaces are affected by the ACL?()

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?()

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Which command displays the CHAP authentication process as it occurs between two routers?()

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

What is the default administrative distance of OSPF?()

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