CCIE笔试400-01新题

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- o2 @" j7 T2 }! G5 T& q- V9 Y根据考生考后回忆题目整理，仅供参考

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1.What is the VLAN range of VLAN that are eligible for pruning
9 f2 M- W9 d9 h, s8 W2 ?6 sA.2 through 1001
" A2 X' o0 g* L- J2 w% j' W2.Which two statements about GGP loo prevention are true?
A. Advertisement from PE routers with peer neighbor SOO configured include a site that is equal to configure value of BGP peering
4 c6 W% W) O! zB.If the configured Site of Origin value of a BGP peering is equal to the site of Origin value on a route it receives, route advertisement is blocked to prevent a route loop.
' `; i  M, L" B( F' T  z- {3.Which three types of address-family configurations are support in EIGRP named mode
! K8 ]8 q9 ?) }0 k5 XA.address-family ipv4-unicast
0 ?5 A% z2 l& u- O) a; g: XB.address-family ipv6 unicast
. k2 G8 ^# C3 RC.address-family ipv4 multicast
4.Drag each IPv6 extension header on the left to its corresponding description on the right.
  ^) X9 A# S' j1 B6 CRouting – Specific the path for a datagram
ESP—Carries encrypted data
Fragment—Specific parameters used to split datagrams.
AH—Carries authentication information
+ c) z  |7 y) oDestination—Specific options to be examined only at the final device
+ Y; J+ J6 V" ]$ x  j; _Hop-by-Hop—Specific options to be examined by all devices
5.Drag each spaning tree feature on the left to the matching statement on the right
Port fast – Can create loops when configured on a non-host port
% [4 |  G* ?4 q+ k* JBPDU guard – Error-disable a port when it receiver an errorneous BPDU
Uplink fast – Enable the root port to transition directly from the blocking state to the forwarding state.
2 ~" P/ l* T+ F- @9 s* U' x* GEtherChannel guard – Detects misconfigurations between a switch and a connected device.
BPDU filtering—Discard inbound BPDU and prevents the interface from sending outbound BPDUs.
Backbonefast—Starts spaning-tree reconfiguration when it detects an indirect link failure.
% L( v* h& q8 {' m+ F/ o6.Drag and drop the argument of the ip cef load-sharing algorithm command on the left to the function it performs on the right
Universal – sets the load-balancing algorithm to use a source a destination and an ID hash
7 ~) W! {- \& UTunnel –Sets the load-balancing algorithm for environment with a small number of source and destination IP address pairs
Include-ports source destination – sets load-balancing algorithm to use Layer 4 information
2 |- `' R6 `7 j/ p1 ?0 e" k+ TOriginal—sets the load-balancing algorithm to use a source and destination hash
" U3 f0 c! k( R% ^: E7.Which two commands enable OSPF graceful shutdown?
A.ip ospf shutdown
B.Shutdown
/ J6 l1 O9 d$ ^1 u6 e7 t2 P8 B8.Which three address family types does EIGRP support?
A.IPv4 unicast
  ~. C8 E  u& e4 _: fB.IPv4 Multicast
+ P6 k2 `. K3 c) [$ l4 V0 @5 bC.IPv6 unicast
9.Which two statements about MLD are true?
+ [) S3 l8 Q$ O( ?0 gA.MLD is a subprotocol of ICMPv6
BWhen a single link supports multiple interfaces, only one interface is required to send MLD messages
/ j% G2 N0 V7 j9 U10.Which three options are characteristics of a Type 10 LSA?
& `1 i6 R8 U, r8 y6 n6 H* u' D& P: ~A.It is an area-local,opaque LSA
B.Data is flooded to all routers in the LSA scope
C.It is used for traffic-engineering extension to OSPF
( r. N( ]1 g9 f+ P" s: Q9 d11.Which two statements about IBGP multipath are true?
A.The IGP metric of the BGP next hop can be difference from the best-path IGP metric if you configure the router for unequal-cost IBGP multipath
- E0 E$ _2 y# d2 O3 hB.The router BGP process must learn the path from an internal neighbor
12.Which two options are requirements to implement 6VPE
0 I, E0 p, R# KA.MPLS betwenn Pes
B.MP-BGP VPNv6 exchange
7 x9 j! k) {# W, S3 \4 y3 c! R13.Which three type of traffic are protected when you implement IP sec within an IPv6-in-IPv4 tunnel
- K8 A+ M  Z# {" u7 Z- iA.IPV6 link local traffic
0 i+ C1 b2 b7 C- ?, YB.IPv6 multicast traffic
4 M/ M; j# c2 uC.IPv6 unicast traffic
& ~" h: C! |& Y' r5 W7 Z4 ^14. Drag and drop the extend ping command field on the left to its usage on the right
/ h4 e; W: D2 Z2 C' V1 o' x' B; DData pattern– discovering framing issues on serial line
Type of service—adjust delay throughput and reliability preferences for the ping
; ]' l- e3 ~* J  V+ z# {& Z9 h, ALoose strict record timestamp verbose—configuring the IP header option of the ping
Sweep range of sizes –determining the minimum MTU in a path
15.Which three states about RIPng are true
9 g) }7 F4 X9 M% HA.It supports route tags
: o7 X  d0 L3 f. A1 T" g8 z% WB.It sends updates on FF02:9
0 e: g) k% Z( Y! w0 h0 eC.its RTE last byte is 0XFF
) l# f6 L" c/ @7 i7 Z* @16.Which object tracking function tracks the command states of multiple object?
A.List
( u; H+ h# P' O. S6 F0 _17.Which three statement about the difference between Cisco IOS and IOS-XE functionality are true?
A.Only IOS-Xe software can host application outside of the IOS context
% k6 ~6 v& b) \: ~. T/ _$ H* D5 aB.Only the IOS-XE Sercices Plane has multiple cores
C.Only the IOS-XE data Plane has multiple cores.
18.Drag each tracerote text character on the left to its meaning on the right
U—The port is Unreachable
; d  t4 H7 M  K7 \1 B5 o*–The probe time out
P—The protocol is unreachable
?—unknow packet type
Q—The destination is too busy
A—Prohibited
  ], A( j- F( M19.Drag and drop each BGP feature on the left to the corresponding function it performs on the right
Peer session templates—Apples configuration commands to a group of neighbors
BGP Dynamic Updates Peer-Group—Seperates updates from configurations, allowing group
BGP dynamic neighbors—-Support the configuration of a group of neighbors by defining
Peer policy template—Applies configuration commands to a group of neighbors
" G+ W4 f5 u# \  I; C% SPeer group—Cretes a group of neighbors in the same address family that
" F3 Y% d8 k0 |) `, A! p. \20.Which thress improvement does Cisco IOS XE software offer over trading IOS Software?
; d/ \9 E* }1 q3 u. |A.It can run application as separate processes on multi core CPU
B.It support drivers for data plane ASIC outside of the operation system
, F$ Z" C- ~- R# MC.It allow platform-dependent code to compiled into a sigle image
( o. G# ~* M9 r( r4 _21.Which two atatement about Metro Ethernet services are true?
A.EPL is a point-to-point service from one customer site to another across an MPLS backbone
B EVPL is a multipoint service that emulates a LAN over an MPLS backbone
8 r& a% c0 L- c22.Which two statements about OSPFv3 are true
! y8 G8 i3 n4 o& hA.It supports unicast address families for IPv4 and IPv6
2 b/ g- K$ E) o# e0 p4 g9 L/ O3 M' n, dB.It support only one address family per instance
23.Which two statement about IBGP multipath are true
- [0 {3 i8 ^& h( C( n' H) u, FA.The IGP metric of the BGP next hop can be difference from the best-path IGP metric if you configure the router to unequql-cost IBGP multipath
7 r- Q0 C2 D# v! fB.The router BGP process must learn the path from an internal neighbor
24.When you implement CoPP on your network what is its default action?
- p$ Z& q# s& [/ j$ }' lA.Permit all traffic
25.Drag and drop the OSPFv3 LSA type on the left to the functionly it provides on the right
Interarea-prefix LSA for ABRs(Type 3)– advertise an internal network or set of network to routers in other areas
) B% s1 n, A  c$ S8 O  LIntra-Area-Prefix LSAs(Type 9)—associate a group pf prefixes for transit network or stub networks
! N  }, h& w) S4 ?9 |Router LSA (Type 1)—multicast whether the router is part of a virtual link
Network LSA (Type 2)—collects link-state information and cost information for the
4 e1 @8 F& {) c9 m/ L' c  GLink LSA (type 8)—-provide the link-local address of a router to other routers on
Autonomous system external LSA (type 5)—redistributes external routes
Interarea-router LSA for ASBRs(type 4)—-enable routers to determine the best path to an external network
26.Drag and drop the router preference on the left to the correct routing sequence
7 T& \" V7 E2 e- U) u! Z- m9 LMost specific prefix
Directly connected route
Static route
; p! z: h) i6 E7 x% W: qEBGP route
& m. [9 l3 E3 `: [- U27.Which three statement are true about OSPFv3
A.Multiple instance of OSPFv3 can be enable on a single link
B.For OSPFv3 to function IPv6 unicast routing must be enable
C.For OSPFv3 to function IPv6 must be enable on the interface
28.Drag and drop the IS-IS component on the left to the function that it performs on the riht
. H& p; Z8 j9 f' H; i7 D: O( v# ^Overload bit—instructs other devices to route around the sending devices until its LSDB is fully converged
IIH—discovers neighboring IS-IS systems
" |7 S% P# L, O& l. y* vTLV—carirred addition data within IS-IS packet
CNSP—synchronizes the LSDB with an IS-IS domain
Attached bits—Indicates to a Level 1 device that the sending devices has reachability to other areas
* M$ @4 F$ c+ U! [) U7 {PNSP—requests retransmission of the lates version of an LSP

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