本帖最后由 小乔 于 2020-5-25 09:21 编辑 ' f. k) }* r6 N2 [, ~
D+ {# f& T, E9 f3 v6 i0 e1 which IPv6 address block forwards packets to a multicast address rather than a unicast address?9 }$ R2 s! @- w; f5 N- g
A. 2000::/38 o4 ]. R) K3 J! U b
B. FC00::/76 S0 C4 d$ k# C( |
C. FE80::/10
3 i* x1 f) E& J2 K1 MD. FF00::/12' C' a' M4 W0 l, O
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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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/ d6 _ O- H! Z/ ?: u6 ]3 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.
6 @( x; b2 Z" {9 n' B& _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 . [' ^; S6 X& n1 b7 F k6 |3 P& C0 J
' A) _3 G8 e" p4 m$ j( D5 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
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