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助理工程师
 
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发表于 2020-9-24 23:14:32
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Which two statements about VRRP are true? (Choose two)6 ?1 x+ x) v, D6 \, f) H# R, O# i" a" X* P/ v7 ]- U; b4 |0 F1 E* m
A. It supports both MD5 and SHA1 authentication.
5 K, Y3 U9 y1 f8 \5 f( ^, O2 O% I" ZB. It is assigned multicast address 224.0.0.9.
- w" ~' @9 _, Z, d3 E% ^C. Three versions of the VRRP protocol have been defined.+ V5 w+ l5 M. T$ L2 m3 O, u
V9 p7 p1 ]' Q( i! {6 E5 t% ED. It is assigned multicast address 224.0.0.8.7 @6 o, y/ ~, \! E2 ?: M! |, ^) f/ m- O/ g
E. The TTL for VRRP packets must be 255.- W( @# Q" l5 i5 @! w, K7 |9 `, ]7 J
F. Its IP address number is 115.
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( |% K! M/ i; R! f uWhich two statements about EIGRP load balancing are true? (Choose two)* R" q/ f$ x% B' s2 }2 n
A. Cisco Express Forwarding is required to load-balance across interfaces
_8 ~" s+ h% ?3 d C" rB. A path can be used for load balancing only if it is a feasible successor
4 q& d; y5 V I! ~4 G( c! m. DC. EIGRP supports unequal-cost paths by default
( t+ C1 z) O) O/ Q" L0 ~D. Any path in the EIGRP topology table can be used for unequal-cost load balancing" q6 f# N% z( |! ?# C
E. EIGRP supports 6 unequal-cost paths; S6 x, {: P2 n6 |6 Z6 ?/ ^; S% ~ b
B, E
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Which IPv6 migration method relies on dynamic tunnels that use the 2002::/16 reserved address
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6 `: o2 ^: o; {: @: o1 _A. GRE
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+ y: S" V' l/ p5 E8 NWhat is the primary effect of the spanning-tree portfast command?8 N( R& w, R1 E! ?+ V4 x8 j
A. It enables BPDU messages4 } g0 t& P8 S5 R% O/ G3 l4 B; B# U$ C1 o
B. It minimizes spanning-tree convergence time1 Q/ d. H) ~2 O
C. It immediately puts the port into the forwarding state when the switch is reloaded
1 N0 G0 p. A: ^: N1 SD. It immediately enables the port in the listening state6 v2 C5 F6 q" j
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2020-9-24 23:14:32
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