December/2019 Braindump2go 400-101 Exam Dumps with PDF and VCE New Updated Today! Following are some new 400-101 Exam Questions,
New Question
Which statement is true about IGMP?
A. Multicast source send IGMP messages to their first-hop router, which then generates a PIM join message that is then sent to the RP.
B. Multicast receivers send IGMP message to signal their interest traffic multicast groups.
C. IGMP message are encapsulated in PIM register message and send to the RP.
D. Multicast receivers send IGMP message to their first-hop router, which then forwards the IGMP message to the RP.
Answer: B
New Question
Which two statement about VPLS are true? (Choose two)
A. Split horizon is used on PE devices to prevent loops.
B. IP is used to switch Ethernet frames between sites.
C. Spanning tree is extended from CE to CE
D. VPLS extends a layer 2 broadcast domain.
E. PE routers dynamic associate to peers.
Answer: AD
New Question
Which two methods can you use to limit the range for EIGRP queries? (Choose two.)
A. Use an access list to deny the multicast address 224.0.0.1 outbound from select EIGRP neighbor and permit everything else.
B. Configure route tagging for all EIGRP routes.
C. Summarize routes at the boundary routers of the EIGRP domain.
D. Configure unicast EIGRP on all routers in the EIGRP domain.
E. Configure stub routers in the EIGRP domain.
F. Use an access list to deny the multicast address 224.0.0.10 outbound from select EIGRP neighbors and permit everything else.
Answer: CE
New Question
Refer to exhibit. If a DHCP server has generated the given debug output, which two statements about the network environment are true?
A. Client 0050.4332 has been assigned an IP address on the 10.10.2.0/24 subnet
B. The DHCP server received a DHCPREQUEST from a client whose ID ends in 4574.302f.30
C. The DHCP pool for the 10.10.2.0/24 subnet is configured incorrectly
D. The DHCP server receives discover messages through a relay agent
E. The DHCP server assigned PC2 an address from the 10.10.3.0/24 subnet
Answer: AD
New Question
Which two statements about VPLS are true? (Choose two)
A. Split horizon is used on PE devices to prevent loops
B. PE routers dynamically associate to peers
C. VPLS extends a Layer 2 broadcast domain
D. Spanning tree is extended from CE to CE
E. IP is used to switch Ethernet frames between sites
Answer: AC
New Question
Which two statements about root guard and loop guard are true? (Choose two)
A. Loop guard uses its own keepalives to determine unidirectional traffic.
B. Loop guard uses its own keepalives to prevent loops by detecting failures.
C. Loop guard uses BPDU keepalives to determine unidirectional traffic.
D. Root guard should be enabled on an upstream interface.
E. Root guard disables an interface only when a superior BPDU is received
F. When loop guard is enabled, the port is transitioned to the root-inconsistent state.
Answer: CE
New Question
Which two platforms provide hypervisor virtualization?(choose two)
A. Xen
B. Docker
C. KVM
D. OpenStack
E. DevStack
Answer: AC
New Question
Which LSA type is associated with default route in a totally stubby area?
A. Router LSA(Type 1)
B. Autonomous system external LSA (Type 5)
C. Interarea-router LSAs for ASBRs (Type 4)
D. Interarea-prefix LSA for ABRs (Type 3)
Answer: D
New Question
Which two statements about route summarization are true?(Choose two.)
A. EIGRP can summarize routes at the classful network boundary
B. EIGRP and RIPv2 route summarize are configured with the ip summary-address command under the route..
C. It can be disabled in RIP,RIPv2 and EIGRP
D. It require a common set of high-order bits for all component routes
E. RIPv2 can summarize-routes beyond the classful network boundary
Answer: AD
New Question
Refer to the exhibit. Your network uses an MPLS VPN backbone with OSPF routing between all PE and CE routers and on the 10Mb backup links between the CE routers notice that traffic from CE3 to CE2 and C4 is flowing over the backup links instead of the higher-bandwidth MPLS VPN backbone even when the backbone is up.
What can you make to ensure that traffic uses the MPLS VPN backbone instead?
A. Configure 1Gb sham links between PE3 and PE4 and between PE3 and PE2
B. Configure a lover cost metric on the provider netwok’s OSPF-to-BGP redistribution
C. Configure 1Gb sham link between PE2 and PE4
D. Configure internal BGP on PE2, PE3, and PE4
Answer: A
New Question
Which three conditions must be met for the IP routing state of an interface to be up? (Choose three.)
A. The interface must have a known IP address
B. Active IP routing must be enabled
C. Cisco express forwarding must be enabled
D. Cisco discovery protocol must be enabled on the inter face
E. A backup interface must be defined
F. The interface line-protocol state must be up
Answer: ABF
New Question
Which two statements about CEF polarization are true? (Choose two)
A. The AND operation is performed on the higher-order bits of the source and destination IP address
B. A single link is chosen for all flows
C. The AND operation is performed on the lower-order bits of the source and destination IP address
D. After the XOR process, the flow is processed in the distribution Layer with a different hashing algorithm
E. It can be prevented by alternating the hashing inputs
F. When enabled, it allows all links to be used efficiently for different traffic flows
Answer: BE
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