400-101 Test

By Author: thomas lamar
Total Articles: 61
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Question: 1

Which three parameters must match to establish OSPF neighbor adjacency? (Choose three.)

A. the process ID
B. the hello interval
C. the subnet mask
D. authentication
E. the router ID
F. the OSPF interface priority

Answer: BCD

Question: 2

Which statement is true about LLDP?

A. LLDP provides VTP support.
B. LLDP does not use a multicast address to communicate.
C. LLDP can indicate only the duplex setting of a link, and not the speed capabilities.
D. LLDP does not support native VLAN indication.

Answer: D

Question: 3


The OSPF adjacency between two routers cannot be established. What is the root cause of the problem?

A. Both routers are designated routers.
B. different area ID
C. mismatched OSPF network types
D. authentication error
E. area type mismatch

Answer: E

Question: 4

What are two of the commands that you can enter to gracefully shut down ...
... OSPF and notify neighbors?(Choose two)

A. router(config-if)# ip ospf graceful shutdown
B. router(config-if)# ip ospf shutdown
C. router(config-router)# shutdown
D. router(config-router)# graceful shutdown
E. router(config)# ip notify

Answer: BC

Question: 5

What are two of the commands that you can enter to gracefully shut down OSPF and notify neighbors?(Choose two)

A. router(config-if)# ip ospf graceful shutdown
B. router(config-if)# ip ospf shutdown
C. router(config-router)# shutdown
D. router(config-router)# graceful shutdown
E. router(config)# ip notify

Answer: BC

Question: 6

A packet from network 10.0.1.0/24 destined for network 10.0.2.0/24 arrives at Rl on interface GiO/0, but the router drops the packet instead of transmitting it out interface Gi0/1.

Which feature that is configured on R1 can cause this problem?

A. UDLC
B. split horizon
C. uRPF
D. spanning tree

Answer: C

Question: 7

Which three service offer VLAN transparency for WAN Ethernet services? (Choose three)

A. ERMS
B. EPL
C. ERS
D. MPLS
E. EMS
F. EWS

Answer: BEF

Question: 8

What are two mechanisms that directed ARP uses to help resolve IP addresses to hardware addresses? (Choose two)

A. It removes address-resolution restrictions, allowing dynamic protocols to advertise rou information for the device loopback address.
B. It uses ICMP redirects to advertise next-hop addresses to foreign hosts
C. It uses series of ICMP echo messages to relay next-hop addresses.
D. It removes address-resolution restrictions, allowing dynamic protocols to advertise routing information for the next-hop address.
E. t uses a proxy mechanism to allow a device to respond to ARP requests for the addresses of other devices

Answer: BD

Question: 9

Exhibit:

Your network is suffering excessive output drops. Which two actions can you take to resolve the problem? (Choose two.)

A. Install a switch with larger buffers.
B. Configure a different queue set.
C. Reconfigure the switch buffers.
D. Configure the server application to use TCP.
E. Update the server operating system.

Answer: AB

Answer:

Question: 10

Which two statements about DMVPN with NHRP are true? (Choose two)

A. NHRP shortens the configuration of the hub router.
B. NHRP dynamically provides information about the spoke routers to the hub.
C. NHRP disables multicast
D. The hub router uses NHRP to initiate the GRE tunnel with spokes.
E. The spoke routers act as the NHRP servers.

Answer: AB

Question: 11

Which two statements about private VLAN communications are true? (Choose two)

A. Primary VLAN traffic is passed across trunk interfaces.
B. Isolated ports communicate with other isolated ports.
C. Promiscuous ports communicate with all other ports.
D. Promiscuous ports connect only to routers.

Answer: AC

Question: 12

Which command can you use to redistribute IBGP routes into the IGP?

A. no synchronization
B. redistribute protocol process-number
C. bgp redistribute-internal
D. synchronization

Answer: C

Question: 13

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

A. The service provider provisions CE devices.
B. It transmits broadcast traffic more efficiently than Ethernet switches.
C. It uses broadcast replication to transmit Ethernet packets with multicast MAC addresses.
D. It enables CE devices to operate as part of an L3 VPN.
E. It enables CE devices on different networks to operate as if they were in the same LAN.
F. It enables PE and CE devices to operate as if they were routing neighbors.

Answer: CE

Question: 14

Which two services are used to transport Layer 2 frames across a packet-switched network? (Choose two.)

A. Frame Relay
B. ATM
C. AToM
D. L2TPv3

Answer: CD

Question: 15

Exhibit:

Which option describes the meaning of this console message?

A. An EIGRP hold timer has expired.
B. FastEthernetO/O has interface errors.
C. An EIGRP process has been shut down.
D. An interface has gone down.

Answer: C

yes, I am a Student and I am article author as well for CertsChief Network.