[2017 New] 2017 Updated Lead2pass Cisco 400-101 Exam Questions (161-180)

18 Jul


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A floating static route appears in the routing table of an interface even when the interface is unusable.
Which action can you take to correct the problem?

A.    Remove the permanent option from the static route.
B.    Correct the administrative distance.
C.    Configure the floating static route to point to another route in the routing table.
D.    Correct the DHCP-provided route on the DHCP server.

Answer: A

Refer to the exhibit. Which statement is true?


A.    The output shows an IPv6 multicast address with link-local scope.
B.    The output shows an IPv6 multicast address that is used for unique local sources only.
C.    The output shows an IPv6 multicast address that can be used for BIDIR-PIM only.
D.    The output shows an IPv6 multicast address with embedded RP.

Answer: D

Which option describes how the IP address is assigned when you configure a Layer 3 EtherChannel interface?

A.    You must assign the IP address to the tunnel interface.
B.    The last IP address added to the EtherChannel is used automatically.
C.    You must assign the IP address to a port channel logical interface.
D.    The first IP address added to the EtherChannel is used automatically.

Answer: C

Refer to the exhibit. Which two route types are advertised by a router with this configuration? (Choose two.)


A.    connected
B.    external
C.    summary
D.    static
E.    redistributed

Answer: AC

Which two conditions are required for tracking the interface IP routing state? (Choose two)

A.    A VRF must be enabled on the interface.
B.    IP routing must be disabled on the interface.
C.    Cisco Express Forwarding must be disabled on the interface.
D.    The interface line protocol must be up.
E.    A known IP address must be configured on the interface.

Answer: DE

According to the networking best practices, which network device should be used for optimization and rate limiting?

A.    the provider core device
B.    the provider edge device
C.    the customer core device
D.    the coustomer edge device

Answer: D

Which feature must be enable to support IGMP snooping on a VLAN interface that operating without multicast routing?

A.    The IGMP snooping enquirer
B.    Auto-RP
C.    PIM snooping
D.    MLD

Answer: A

Which command can you enter to disable logging for VTY lines?

A.    no logging monitor
B.    no logging count
C.    no logging buffer
D.    no logging console
E.    no logging trap

Answer: A
No logging console is for CTY.
No logging monitor is for VTY.

Which feature monitors network events and takes automated action based on scripts configured by the administrator?

A.    NetFlow
B.    Performance Monitoring
C.    EPC
D.    EEM

Answer: D

Which IPv4 feature prevents multicast joins on a per-port basis?

A.    MLD filtering
B.    IGMP snooping
C.    IGMP filtering
D.    PIM snooping

Answer: C
IGMP filtering is used to prevent multicast joins.
IGMP snooping is to prevent unnecessary multicast flooding.

Which two statements about PfR are true?(Choose two)

A.    It manages traffic classes
B.    It provides a narrower scope of route control than OER.
C.    It provides intelligent route control on a per-application basis.
D.    It supports split tunneling and spoke-to-spoke links.
E.    It always prefers the least cost path.

Answer: AE

Which statement about EIGRP request packets is true?

A.    They determine whether a destination is reachable
B.    They are transmitted unreliably
C.    They are transmitted via broadcast
D.    They are sent in response to queries

Answer: B

Which routing protocol is not supported with VRF-lite?

A.    IS-IS
B.    OSPF
D.    BGP

Answer: A

How can you reduce latency on a VoIP network?

A.    Implement a congestion-avoidance algorithm
B.    Implement low latency queuing
C.    Configure an SLA to collect information on packet loss
D.    Set the IP SLA timeout to 1000 milliseconds.
E.    Implement fast retransmission.

Answer: B

Which two statements about the host address are true?(Choose two)

A.    The network address is
B.    The network address is
C.    The network address is
D.    The broadcast address is
E.    The broadcast address is
F.    The broadcast address is

Answer: BD



A.    The router will fail to form neighbor adjacencies over all EIGRP interfaces except F0/0
B.    The router will fail to form neighbor adjacencies over interface F0/0
C.    The router will advertise the network
D.    The router will manuallu summarize the network
E.    Auto-summarization will be enabled on the F0/0 interface

Answer: BC

Which two statements about IPv6 PIM are true?(Choose two)

A.    PIM-SM and PIM-SSM can be configured in the same network
B.    PIM-SM bases its RPF checks on the unicast routing table
C.    It supports both sparse mode and dense mode
D.    It supports both Auto-RP and BSR
E.    It works in conjunction with unicast routing protocols to send and receive multicast updates

Answer: AB

Wht is the EUI 64-bit address corresponding to MAC address 0032F4C57781?

A.    FFFE0032F4C57781
B.    0032F4FFFEC57781
C.    0032F4C57781FFFE
D.    C57781FFFE0032F4

Answer: B

Which two statements about SNMP inform requests are true? (Choose two)

A.    For a particular event,an SNMP inform may be sent more than once.
B.    SNMP informs consume less bandwidth than SNMP trap
C.    SNMP informs are sent to the SNMP manager without acknowledgement.
D.    SNMP informs are sent to the SNMP agent without acknowledgement.
E.    For a particular evevt,an SNMP inform is sent only once
F.    SNMP informs are sent to the SNMP manager and acknowledgement.

Answer: AF

If you configure a router interface for both IPv4 and IPv6 on an IS-IS network in single-topology mode,what additional configuration is required?

A.    IPv4 and IPv6 must be configured on different routing protocols.
B.    IPv4 and IPv6 must be configured to run the same IS-IS level.
C.    IPv4 and IPv6 must be configured with different metric types
D.    IPv4 and IPv6 addresses must be configured with the same prefix length.

Answer: B

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