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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" X4 ?/ n/ K; R4 p# p) d1 ?
A. It supports both MD5 and SHA1 authentication.
$ |0 _ F& t: y8 QB. It is assigned multicast address 224.0.0.9.
* ~. i+ G4 K0 bC. Three versions of the VRRP protocol have been defined.+ V5 w+ l5 M. T$ L2 m3 O, u
6 _4 d. g' ]8 c8 ^D. It is assigned multicast address 224.0.0.8.7 @6 o, y/ ~, \! E2 ?: M" [* Y n, A; D
E. The TTL for VRRP packets must be 255.- W( @# Q" l5 i
- _% a3 Y' l X' YF. Its IP address number is 115.
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Which two statements about EIGRP load balancing are true? (Choose two)
& K: e% B* V$ k M- ^+ l$ [5 L2 WA. Cisco Express Forwarding is required to load-balance across interfaces
( u; H: R% z4 a2 m$ v( f, xB. A path can be used for load balancing only if it is a feasible successor4 Y0 f% b+ L) q! F5 k
C. EIGRP supports unequal-cost paths by default
9 q8 C, H' f: kD. Any path in the EIGRP topology table can be used for unequal-cost load balancing
6 J+ b f; A3 @+ W+ S6 _ N2 AE. EIGRP supports 6 unequal-cost paths* D8 r- I$ x' j6 B) ?( J$ k
B, E
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Which IPv6 migration method relies on dynamic tunnels that use the 2002::/16 reserved address# F1 \2 F! J4 l) d0 g
space?# j; b; e$ _) ]: A1 _4 o& N
9 H2 B8 X7 c& `( q4 o$ ?; [A. GRE
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D. ISATAP
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C
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What is the primary effect of the spanning-tree portfast command?9 V6 O! `. p9 Z
A. It enables BPDU messages4 } g0 t& P8 S5 R
# G: e i X. q5 GB. It minimizes spanning-tree convergence time
" \, W s! j" v; M3 C, WC. It immediately puts the port into the forwarding state when the switch is reloaded
' K0 {4 S* b! _$ ID. It immediately enables the port in the listening state3 V0 \! G9 \" D8 K
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