單項選擇題Which term describes the process of encapsulating IPv6 packets inside IPv4 packets?()

A. tunneling
B. hashing
C. routing
D. NAT


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1.單項選擇題What is the first 24 bits in a MAC address called?()

A. NIC
B. BIA
C. OUI
D. VAI

2.單項選擇題When is it necessary to use a public IP address on a routing interface?()

A. Connect a router on a local network.
B. Connect a router to another router.
C. Allow distribution of routes between networks.
D. Translate a private IP address.
E. Connect a network to the Internet.

3.單項選擇題What will happen if a private IP address is assigned to a public interface connected to an ISP?()

A. Addresses in a private range will be not routed on the Internet backbone.
B. Only the ISP router will have the capability to access the public network.
C. The NAT process will be used to translate this address in a valid IP address.
D. Several automated methods will be necessary on the private network.
E. A conflict of IP addresses happens, because other public routers can use the same range.

4.單項選擇題Which IP address can be assigned to an Internet interface?()

A. 10.180.48.224
B. 9.255.255.10
C. 192.168.20.223
D. 172.16.200.18

5.單項選擇題What is the principle reason to use a private IP address on an internal network?()

A. Subnet strategy for private companies.
B. Manage and scale the growth of the internal network.
C. Conserve public IP addresses so that we do not run out of them.
D. Allow access reserved to the devices.

最新試題

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

題型:單項選擇題

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:單項選擇題

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

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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:單項選擇題

Which name describes an IPV6 host-enable tunneling technique that uses IPV4 UDP,does not require dedicated gateway tunnels,and can pass through existing IPV4 NAT gateways?()

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Which command encrypts all plaintext passwords?()

題型:單項選擇題

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:單項選擇題

Which command is used to display the collection of OSPF link states?()

題型:單項選擇題

Which pairing reflects a correct protocol-and-metric relationship?()

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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:單項選擇題