本帖最后由 小乔 于 2020-5-25 09:21 编辑
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1 which IPv6 address block forwards packets to a multicast address rather than a unicast address?4 \2 w6 F Z6 F. _2 ^& \
A. 2000::/3
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C. FE80::/10+ r0 @. u! A- p+ f+ [" m3 x, y: k
D. FF00::/12
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' R4 q$ d) u3 w' c0 V2 what is the expected outcome when an EUI-64 address is generated? A The seventh bit of original MAC address of the interface is inverted B The interface ID is configured as a random 64-bit value C The characters FE80 are inserted at the beginning of the MAC address of the interface D The MAC address of the interface is used as the interface ID without modification
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% i! P+ @. U5 z% q$ a3 what is the difference regrading reliability and communication type between TCP and UDP? A TCP is reliable and is a connectionless protocol; UDP is not reliable and is a connection-oriented protocol. B TCP is not reliable and is a connectionless protocol; UDP is reliable and is a connection-oriented protocol. C TCP is reliable and is a connection-oriented protocol; UDP is not reliable and is a connectionless protocol. D TCP is not reliable and is a connection-oriented protocol; UDP is reliable and is a connectionless protocol. ~: I0 n+ T) R. a
4 Router R1 must send all traffic without a matching routing-table entry to 192.168.1.1.which configuration accomplishes this task? A R1# config t R1(config)# ip routing R1(config)# ip route default-route 192.168.1.1 B R1# config t R1(config)# ip routing R1(config)# ip route 0.0.0.0 0.0.0.0 192.168.1.1 C R1# config t R1(config)# ip routing R1(config)# ip route 192.168.1.1 0.0.0.0 0.0.0.0 D R1# config t R1(config)# ip routing R1(config)# ip default-gateway 192.168.1.1
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+ Y* s0 a: J# l, p+ Y8 I5 which function dose the range of private IPv4 addresses perform? A allow multiple companies to each use the same address without conflicts B provides a direct connection for hosts from outside of the enterprise network C ensues that NAT is not required to reach the internet with private range addressing D enable secure communications to the internet for all external hosts 6 {2 o, b A; E8 S6 L0 j
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