- 积分
- 122
- 鸿鹄币
- 个
- 好评度
- 点
- 精华
- 最后登录
- 1970-1-1
- 阅读权限
- 20
- 听众
- 收听
助理工程师
 
|
发表于 2020-9-24 23:14:32
|
显示全部楼层
Which two statements about VRRP are true? (Choose two)6 ?1 x+ x) v, D6 \, f) H# R, O# i" a" X. Z9 N8 { A4 p+ |% q' O
A. It supports both MD5 and SHA1 authentication.
8 Y0 l" h1 n+ \& P& Q: l, rB. It is assigned multicast address 224.0.0.9. s* m' {9 M& k9 \
C. Three versions of the VRRP protocol have been defined.+ V5 w+ l5 M. T$ L2 m3 O, u. b; m. W: B. y7 z7 r
D. It is assigned multicast address 224.0.0.8.7 @6 o, y/ ~, \! E2 ?: M
: B: J$ E, z- o& ?5 `) X- ?E. The TTL for VRRP packets must be 255.- W( @# Q" l5 i6 I" Z) L! E' ~1 U% P2 r) D
F. Its IP address number is 115.
3 K) m9 O6 R& `/ h) f+ R4 e' {. M1 J& R2 d6 e4 M" @, q% {2 {/ b
C E
6 Y. q$ Y0 v- k' R
; E+ Z6 R, t4 H" m
& L' R6 F& u7 _Which two statements about EIGRP load balancing are true? (Choose two): H9 ]$ B" R) e; q
A. Cisco Express Forwarding is required to load-balance across interfaces2 I$ T9 B" _6 s% W
B. A path can be used for load balancing only if it is a feasible successor$ p) K, p8 H d0 S$ Y/ R
C. EIGRP supports unequal-cost paths by default
3 d6 g! q4 Y( m$ G3 p( T2 Z" UD. Any path in the EIGRP topology table can be used for unequal-cost load balancing
+ \6 F2 o( O1 s! N8 \% hE. EIGRP supports 6 unequal-cost paths( h1 ?1 Z+ }5 X" n ~5 W0 c
B, E0 z1 Z R* o+ |
+ u3 J5 S; V/ q6 g
Which IPv6 migration method relies on dynamic tunnels that use the 2002::/16 reserved address2 P/ R ^* {! ^5 B
space?# j; b; e$ _) ]: A1 _4 o& N( H5 @# F4 K. z
A. GRE
9 a, _* I: z4 H w9 A1 uB. 6RD
% q- Q0 M% ~) |! PC. 6to4( c+ _ Q1 @4 z) p- l
D. ISATAP
+ S+ p, |& @+ n. V D o$ S
$ ~6 u& m2 T; aC8 m9 k1 r L$ s4 t
( e8 }# a2 E, N
What is the primary effect of the spanning-tree portfast command?7 g, y9 @# J$ P3 H
A. It enables BPDU messages4 } g0 t& P8 S5 R
& W. G" A& j b2 `4 Y' O( TB. It minimizes spanning-tree convergence time9 G' R: R9 W1 S
C. It immediately puts the port into the forwarding state when the switch is reloaded/ A8 q0 K8 ]) u/ v& D; t7 p
D. It immediately enables the port in the listening state1 o) r0 r7 i7 Q6 \2 L8 N
C |
|