CertTree 400-201 CCIE SP exam practice test

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Share some CCIE 400-201 exam questions and answers below.
What ISIS TLVs are used to support MPLS traffic Engineering? (Choose three)
A. TLV 22 Extended IS neighbor
B. TLV 10 Authentication Information
C. TLV 134 Router ID
D. TLV 132 IP interface Address
E. TLV 128 IP Internal Reachability
F. TLV 135 IS Reachability
Answer: A, C, F

REP has been deployed in a segment. A network operations engineer notices that a segment port does not become operational. What is the root cause of this issue?
A.More than one neighbor has the same segment ID.
B.A neighbor is using a different port ID.
C.A local port is in alternate port state.
D.A neighbor port is in blocked state.
Answer: A

An engineer has just configured IOS-XR with out-of-band MPP. Which are the three results that will occur? (Choose three.)
A.Management traffic to RP from all non-MPP interfaces is dropped
B.RP/DRP Ethernet Interfaces are not default out-of-band interfaces.
C.MPP configuration changes doesn't affect active sessions established before the changes
D.Interfaces configured for out-of-band MPP are still part of global routing/forwarding
E.If MPP is disabled and a protocol is activated, all interfaces cannot pass traffic
F.LPTS will provide rate limiting
Answer: ACF

On Cisco IOS devices, which IS-IS feature reduces the convergence time for prefixes designated as high priority?
A. iSPF
B. advertise passive only
C. prefix prioritization
D. Fast-Forwarding
Answer: C

Which operational metric to measure the health of the incident management process is critical?
A. A number of successful changes
B. Number of incidents per severity level
C. Mean time to restore service
D. Mean time to resolve incidents
Answer: A

What is one of the functions of a LISP ingress tunnel router?
A. Ability to integrity-check LISP site registration messages using a SHA2-based HMAC algorithm
B. Responsible for finding EID-to-RLOC mappings for all traffic destined for LISP-capable sites
C. Accept encapsulation Map-request messages, decapsulate them to the MS responsible for the ETR authoritative for the requested EIDs
D. Allows EIDs and RLOCs to communicate in a LISP site that contains EIDs in one address family and RLOCs in a different address family
Answer: B

ISP A provides L2VPN services to Company B through an MPLS network. Company B uses all available CoS values to classify and different traffic forwarding within all Company B sites.
ISP A uses the following CoS values to differentiate service classes for the VPN customer traffic
• MPLS EXP 0 for Bronze service class
• MPLS EXP 1 for Silver service class
• MPLS EXP 2 for Gold service class
• Remaining MPLS EXP values for ISP A internal use
ISP A¡¯s policy is to forward VPN customer traffic based only on their Bronze, silver and Gold service classes.
Which QoS method must ISP A implement to achieve this?
A. Short-pipe Mode
B. Russian Doll Model
C. Pipe Mode
D. Uniform Mode
E. Maximum Allocation Model
Answer: D

A security risk has been discovered on the Service Provider MPLS core network durina a network audit. Traceroute between the customer sites displays IP addresses of the Service Provider MPLS core. What should be done to hide the IP addresses of the Service Provider MPLS core from the customer traceroute utility?
A.Configure an access list to block traceroute traffic.
B.Apply the no mpls ip propagate-ttl forward command.
C.Enable MPLS LDP session protection.
D.Configure an LDP label allocation filter.
E.Apply the no mpls ip propagate-ttl local command.
Answer: B

Which two BGP mechanisms solve the full-mesh paradigm? (Choose two)
A. Confederation
B. Router policy filtering
C. Hierarchical VPLS
D. MPLS VPN
E. Route reflectors
F. BGP link state
G. Community SOO
Answer: A, E

Which two characteristics of GMPLS are true? (Choose two)
A. The LSP is established directionally through only one signaling messages
B. The control channel can terminate on different nodes types that the bearer channels span
C. OXCs manipulate wavelengths that bear the label implicitly
D. Two lights paths traversing the same fiber link can share the same wavelength on that link
E. LMP can be used by the natively photonic switches network element type only
Answer: A, C


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