本帖最后由 slourock91 于 2020-12-22 10:55 编辑
+ J0 M+ X, L* U; s% Z+ Y# L1 t0 e- K* @" T& F! Z
Which access list entry checks for an ACK within a packetheader? A. access-list 49 permit ip any any eq 21tcp-ack! l6 |5 y+ q$ X+ }/ n( L Y( y
B. access-list 49 permit tcp any any eq 21 tcp-ack
! [, l, j6 O% t+ I$ T; [C. access-list 149permit tcp any any eq 21 established4 |' r( Y4 N2 \0 R
D. access-list 49 permit tcp any any eq 21 established
) w7 G, s0 M. R3 B) I: TYou are implementing WAN access for an enterprise network while runningapplications that require a fully meshed network, which two design standardsare appropriate for such an environment? (Choose two.)
A. A centralized DMVPN solution to simplify connectivity for the enterprise.1 d( }8 t. N$ _0 x1 U9 G7 D- b" r9 s" Q
B. A dedicated WAN distribution layer to consolidateconnectivity to remote sites.
( m5 x2 S5 g$ u: T7 ^C. A collapsed core and distribution layer to minimize costs.5 T) z y& P( T* s' R
D. Multiple MPLS VPN connections with static routing.- ^" D; C3 D# d$ a
E. Multiple MPLS VPN connections with dynamic routing. % H6 L4 m. R% V: b0 g
Which task do you need to perform first when you configure IP SLA totroubleshoot a network connectivity issue? A. Specify the test frequency.
) q' n; o* R; u6 I9 W1 ?9 m3 A8 tB. Enable the ICMPecho operation.
. c8 Z- [8 U; UC. Schedule the ICMP echo operation.9 k Y9 F7 W& p* ~0 R% L, g
D. Verify the ICMP echo operation. Which protocol does VRF-Lite support? A. IS-IS
/ a1 n7 b2 P' Y% Z4 k& SB. ODR
) l, a( l6 y" ^# f6 S: IC. EIGRP; c5 r( @! j9 N7 v
D. IGRP Which two features are provided by EIGRP for IPv6? (Choosetwo.) A. Backbone areas7 c1 d4 \2 [$ T' ]& h% H
B. SPF algorithm; U$ R7 {% u9 p* z* j) u
C. Partial updates" J: |) p5 ?) h8 N, c" Z. u
D. Area border router: Q2 X$ {& h0 c
E. Scaling 0 W1 D5 \% w- G
Which IP SLA operation can be used to simulate voice traffic on a network? A. TCP connect
3 e/ p: A8 M, b) Z) oB. UDP-jitter
; I) D" @" v" V& rC. ICMP-echo) ~: z* b8 g. K' N- ^- l' N- ~
D. ICMP-jitter & c4 u6 k& m! E. R
What happens when two EIGRP peers have mismatched K values? A. The two devices are unable to correctlyperform equal-cost routing.
4 g1 t# x* s+ {. R& |( z& Y1 z oB. The two devices fail to perform EIGRP graceful shutdownwhen one device goes down.
1 D4 h' d2 Z$ l2 f6 VC. The two devicesfail to from an adjacency.# w1 `' m- k; i& C$ r
D. The two devices are unable to correctly performunequal-cast load balancing. @' M6 m- a0 d" ^' E4 w0 }/ |
Which location within the network is preferred when using a dedicated route forCisco IP SLA operations? A. user edge
4 Q+ F$ r3 ? i; n3 SB. provider edge
, B) P. s, u1 A9 E' Z* VC. access edge
. h2 t$ ]/ A. G) P! E DD. distribution edge 1 M# P2 _) p3 ^
Which protocol is used in a DMVPN network to map physical IP addresses tological IP addresses? A. BGP
: c6 \& G- ]7 ^. ~) | ^8 { CB. LLDP$ D& j* s* U& s+ g6 l
C. EIGRP
5 w7 [4 }: A" @7 Q+ p5 R8 ]D. NHRP
- g$ l+ k4 V/ t* W) V! ?An engineer is configuring a network and needs packets to be forwarded to aninterface for any destination address that is not in the routing table. Whatshould be configured to accomplish this task?
A. set ip next-hop
* f# Z6 k2 `2 O: |) K2 O" i+ d5 OB. set ip defaultnext-hop
! x6 z" ~2 N" K, \% s6 {) OC. set ip next-hop recursive( [6 |; k- G/ [/ Z% v. J
D. set ip next-hop verify-availability
/ I8 G! y7 H' Y+ u; \0 a( MWhich protocol does MPLS use to support traffic engineering?
A. Tag Distribution Protocol" s! y/ v, b: ^! C) k& j z
B. ResourceReservation Protocol
$ ^2 d: x' a7 h8 q( ZC. Border Gateway Protocol+ S7 J; g9 P5 H) | y
D. Label Distribution Protocol
. C8 t5 r( n7 Z) b$ \& kWhich IGPs are supported by the MPLS LDP autoconfiguration feature?
A. ISIS and RIPv2
+ n- R! ~/ Q9 o4 j5 z0 GB. RIPv2 and OSPF
% E& x) L: Y3 s: h6 L' A UC. OSPF and ISIS! l9 F1 w; q; E8 z
D. OSPF and EIGRP
- E: C7 D6 c% y! Z- t, AWhat does the PE router convert the IPv4 prefix to within an MPLS VPN?
A. 48-bit route combining the IP and PErouter-id.6 b$ ^% H7 h1 H$ L& k. ^7 S
B. VPN-IPv4 prefix combined with the 64-bit routedistinguisher.
7 T! I* ]- E* F4 V) K+ U* Y; cC. eBGP path association between the PE and CE sessions.; i/ s9 k* F# n$ ]0 Y
D. Prefix thatcombines the ASN, PE router-id, and IP prefix.
9 F4 y* Y% K `# dAn engineer needs dynamic routing between two routers and is unable toestablish OSPF adjacency. The output of the show ip ospf neighbor command showsthat the neighbor state is EXSTART/EXCHANGE. Which action should be taken toresolve this issue?
A. match the passwords- @0 {8 O+ W, _6 O' N
B. match the hello timers
2 _" F% i& @, [4 Y" M4 C5 EC. match the MTUs
6 U; u6 H# l2 `$ O! _D. match the network types |