[April 2018] Lead2pass Latest Cisco 400-101 Exam Questions Free Downloading 953q

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Which OpenStack component implements role-based access control?

A.    Horizon
B.    Nova
C.    Neutron
D.    Keystone

Answer: D

Refer to the exhibit. R2 is configured as the R1 neighbor in area 51, but R2 fails to receive the configured summary route.
Which action can you take to correct the problem?


A.    Replace the summary-address command with the area-range command.
B.    Configure a summary address under R1interface GigabitEthernet0/0.
C.    Configure a summary address under R1 interface GigabitEthernet1/0.
D.    Configure the no discard-route command in the OSPF process of R1.
E.    Configure ip ospf network broadcast under the Loopback0 interface of R1.

Answer: A

Which two conditions must be met before IS-IS Level 1 routers will become adjacent?(Choose two.)

A.    The routers must share a common Autonomous System Number.
B.    The router must share a common process ID.
C.    The router must be in different areas.
D.    The routers must share a common network segment.
E.    The routers must be configured with the neighbor command.
F.    The routers must be in the same area.

Answer: DF

Which two statements are true about control plane policing? (Choose two.)

A.    Control plane policing will affect only traffic that is destined to the route processor.
B.    Access lists that are used in policies for control plane policing must not use the log keyword.
C.    Access lists that use the deny rule in control plane policing do not progress to the next class.
D.    The log keyword can be used but the log-input keyword must not be used in policing.

Answer: AB

Which three pieces of information are carried on OSPF type 3 LSAs? (Choose three)

A.    metric
B.    authentication type
C.    link state
D.    IP subnet
E.    external route tag
F.    subnet mask

Answer: ACF

Your NetFlow collector is not working due to a large amount of traffic entering your network which is destined to a single IP address.
Which NetFlow feature allows you to collect the top source hosts for this traffic on the local router?

A.    NetFlow can export flows only to a extermal flow collector
B.    show ip cache flow
C.    ip accounting
D.    ip flow-top-talkers

Answer: D

Refer to the exhibit. R1, R2 and R3 are in different satelite offices of the same prganization.
A multicast video source is located behind R1.R3 frequently receives video streams intend for R2.
These streams saturate the available bandwidth of R3.
Which configuration change can alleviate the congestion on R3?


A.    Configure R3 to send an immediate-leave message when necessary to stop receiving unwanted traffic.
B.    Configure IGMP snooping on R1, R2, and R3.
C.    Place a PIM filter on the switches and interfaces that connect to R1, R2, and R3.
D.    Enable IGMP snooping on all switches that connect to R1, R2, and R3.
E.    Place a PIM filter on the switch and interface that connect to R1 only.

Answer: D

With which protocol is CoAP designed to be used?

A.    TCP
B.    SNMP
C.    UDP
D.    XMPP

Answer: C

Which two solutions can reduce UDP latency? (Choose two.)

A.    fast retransmission
B.    fast recovery
C.    low-latency queuing
D.    IP service level agreements
E.    congestion-avoidance algorithm

Answer: CD
In the actual exam, if becomes single choice question just choose C.

Which three statements describe the characteristics of a VPLS architecture? (Choose three.)

A.    It forwards Ethernet frames.
B.    It maps MAC address destinations to IP next hops
C.    It supports MAC address aging.
D.    It replicates broadcast and multicast frames to multiple ports.
E.    It conveys MAC address reachability information in a separate control protocol.
F.    It can suppress the flooding of traffic.

Answer: ACD

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