本帖最后由 小乔 于 2020-5-25 09:21 编辑 : G- P$ t& k/ N5 H) S
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1 which IPv6 address block forwards packets to a multicast address rather than a unicast address?
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B. FC00::/78 w8 G- |# _# Y" W! f# @" e: @
C. FE80::/10+ c1 p9 n" Y$ F- @8 G
D. FF00::/12
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2 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& D5 o" Y) B7 n3 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. ! K( @ j% r. U5 n% i! z: ~
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 6 }+ Y$ m" p h8 x! |8 x. W
7 g' e+ U% x$ S$ z% b+ G5 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 ; O5 M, x3 j+ k3 L/ J* a- S
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发表于 2020-5-25 09:15:41
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发表于 2020-5-25 09:38:08
