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.


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1.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

2.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.

5.單項選擇題Which option is a valid IPv6 address?()

A. 2001:0000:130F::099a::12a
B. 2002:7654:A1AD:61:81AF:CCC1
C. FEC0:ABCD:WXYZ:0067::2A4
D. 2004:1:25A4:886F::1

6.單項選擇題What is known as "one-to-nearest" addressing in IPv6?()

A. global unicast
B. anycast
C. multicast
D. unspecified address

7.單項選擇題Which type of cable is used to connect the COM port of a host to the COM port of a router or switch?()

A. crossover
B. straight-through
C. rolled
D. shielded twisted-pair

8.單項選擇題Which Cisco Catalyst feature automatically disables the port in an operational PortFast upon receipt of a BPDU?()

A. BackboneFast
B. UplinkFast
C. Root Guard
D. BPDU Guard
E. BPDU Filter

10.單項選擇題For which type of connection should a straight-through cable be used?()

A. switch to switch
B. switch to hub
C. switch to router
D. hub to hub
E. router to PC

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