Share some CCIE 400-201 exam questions and answers below.
Which are the two limitations of the predefined NAT solution?(Choose two)
A. The Bulk port allocation configuration is not available
B. The global port limit parameter is not available for the predefined mode
C. Only the port-presentation option is available
D. NetFlow and syslog are not supported
E. It cannot be configured for each of the inside VRF instance
Answer: A,B
Which technology is a forwarding decision point in a PE router that provides flexibility to make many Layer 2 flow decisions within an interface?
A. pseudowire
B. AToM
C. VPLS
D. local connect
E. EFP
Answer: E
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
A service provider is using multicast flows to provide streaming video content to its customers. Video streams are sometimes interrupted, and network instability is determined to be the cause.
Which action should the service provider take to decrease the burden on the router resources in an unstable unicast routing environment?
A. increase the PIM hello hold timers
B. reduce the volume of query messages
C. filter unnecessary SA messages
D. tune the RPF backoff
Answer: D
Refer to the exhibit.
An engineer is asked to troubleshoot packet drops inside a network which option is true?
A. HTTP traffic originated by the 10.10.10.0/24 subnet uses up to 10% of the interface bandwidth. However, if no congestion is present, no more bandwidth is allocated to HTTP traffic
B. SMTP traffic originated by the 10.10.10.0/24 subnet uses up to 10% of the bandwidth, however, if no congestion is present, more bandwidth is allocated to SMTP traffic
C. SMTP traffic originated by the 10.10.10.0/24 subnet uses up to 10% of the bandwidth. However, if no congestion is present, SMTP traffic above 10% of link bandwidth is dropped
D. HTTP traffic originated by the 10.10.10.0/24 subnet uses up to 10% of the interface bandwidth. However, if congestion is present, less bandwidth is allocated to HTTP traffic
Answer: C
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